CA2732265C - Spout tip retention method and apparatus - Google Patents

Spout tip retention method and apparatus Download PDF

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Publication number
CA2732265C
CA2732265C CA2732265A CA2732265A CA2732265C CA 2732265 C CA2732265 C CA 2732265C CA 2732265 A CA2732265 A CA 2732265A CA 2732265 A CA2732265 A CA 2732265A CA 2732265 C CA2732265 C CA 2732265C
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CA
Canada
Prior art keywords
spout
insert
tip
tube
clip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2732265A
Other languages
French (fr)
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CA2732265A1 (en
Inventor
Alfred C. Nelson
Jeffrey L. Moore
Kurt J. Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delta Faucet Co
Mercury Plastics LLC
Original Assignee
Masco Corp of Indiana
Mercury Plastics LLC
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Publication date
Application filed by Masco Corp of Indiana, Mercury Plastics LLC filed Critical Masco Corp of Indiana
Publication of CA2732265A1 publication Critical patent/CA2732265A1/en
Application granted granted Critical
Publication of CA2732265C publication Critical patent/CA2732265C/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0404—Constructional or functional features of the spout
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084—Jet regulators with aerating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0402—Cleaning, repairing, or assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/9464—Faucets and spouts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Abstract

An apparatus and method for assembling a faucet spout to retain a tube within a body of the faucet spout.

Description

Alfred C. Nelson Jeffrey L. Moore Kurt J. Thomas SPOUT TIP RETENTION METHOD AND APPARATUS
BACKGROUND AND SUMMARY
[0001] The present disclosure relates to an apparatus and method for assembling a faucet spout. More particularly, the present disclosure relates to an apparatus and method for assembling the faucet spout to retain a tube within a body of the faucet spout.
[0002] A faucet spout includes a body having an inlet end and an outlet end and a tube received therein for delivering water from a water source through the body. In certain embodiments, the tube may be molded to a diverter valve. For example, the tube may be molded to the diverter valve as set forth in U.S. Patent Publication No.
2008/0178935, filed January 31, 2007, entitled "DIVERTER INTEGRATED INTO A SIDE
SPRAYER," and U.S. Provisional Patent Application No. 61/128,463, filed May 21, 2008, entitled "INTEGRATED KITCHEN FAUCET SIDE SPRAY AND DIVERTER".
However, the size of the diverter valve may prevent the tube from being inserted into the outlet end of the spout body and secured at the inlet end of the spout body.
[0003] According to an embodiment of the present disclosure, a faucet is provided that includes a spout body, a tube, an insert, and a clip. The spout body has an inlet end and an outlet end and defines a chamber extending between the inlet end and the outlet end.
The tube is received within the chamber of the spout body. The tube has a tip disposed proximal the outlet end of the spout body, the tip having a first shoulder.
The insert is configured to couple to the outlet end of the spout body, the insert having a second shoulder. The first shoulder of the tip is configured to prevent the tube from advancing from the spout body in a first direction. The clip is configured to engage the second.

shoulder of the insert to prevent the tube from withdrawing into the spout body in a second direction.
[0004] According to another embodiment of the present disclosure, an apparatus is provided that is configured to retain a spout tube within a spout body of a faucet, the spout tube having a tip. The apparatus includes a clip having a substantially C-shaped body. The clip is configured to collapse within an outer periphery of the spout tip in a first position, and the clip is configured to expand beyond the outer periphery of the spout tip in a second position.
[0005] According to yet another embodiment of the present disclosure, a method is provided for retaining a spout tube within a spout body of a faucet. The spout tube has a tip, and the spout body has an inlet end, an outlet end, and a chamber. The method includes the steps of providing a clip and an insert, positioning the spout tube within the chamber of the spout body with the tip of the spout tube located proximal the outlet end of the spout body, moving the tip of the spout tube into the insert until the clip expands outwardly relative to the tip and into engagement with the insert, and securing the insert to the outlet end of the spout body.
BRIEF DESCRIPTION OF THE DRAWINGS
[0006] The above-mentioned and other features and advantages of this invention, and the manner of attaining them, will become more apparent and the invention itself will be better understood by reference to the following description of embodiments of the invention taken in conjunction with the accompanying drawings, wherein:
[0007] Figure 1 is an exploded perspective view of an illustrative faucet spout of the present disclosure;
[0008] Figure lA is a partial exploded perspective view of the faucet spout of Figure 1;
[0009] Figure 1B is a partial assembled cross-sectional view of the faucet spout of Figure 1;

BDDB01 5834578v1
10 [0010] Figure 2 is an exploded perspective view of another illustrative faucet spout of the present disclosure;
[0011] Figure 2A is a partial exploded perspective view of the faucet spout of Figure 2;
[0012] Figure 2B is a partial assembled cross-sectional view of the faucet spout of Figure 2;
[0013] Figure 3 is a plan view of an illustrative clip of the present disclosure;
[0014] Figure 4 is a cross-sectional view of the faucet spout of Figure 1B, taken along line 4-4 of Figure 1B, showing a clip in an expanded position;
[0015] Figure 4A is a cross-sectional view similar to Figure 4 showing the clip in a collapsed position;
[0016] Figure 5 is an exploded perspective view of yet another illustrative faucet spout of the present disclosure;
[0017] Figure 5A is a partial exploded perspective view of the faucet spout of Figure 5;
[0018] Figure 5B is a partial assembled cross-sectional view of the faucet spout of Figure 5;
[0019] Figure 6 is an exploded perspective view of yet another illustrative faucet spout of the present disclosure; and
[0020] Figure 6A is an assembled cross-sectional view of the faucet spout of Figure 6.
[0021] Corresponding reference characters indicate corresponding parts throughout the several views. The exemplifications set out herein illustrate exemplary embodiments of the invention and such exemplifications are not to be construed as limiting the scope of the invention in any manner.

BDDB01 5834578v1
[0022]
DETAILED DESCRIPTION
[0023] As shown in Figure 1, faucet spout 10 includes delivery spout body 12 having inlet end 14 and outlet end 16. A chamber (not shown) extends within spout body 12 between inlet end 14 and outlet end 16. Spout body 12 may be formed of a rigid metal, such as brass, steel, zinc, or chrome, a rigid plastic, or a rigid ceramic, for example.
[0024] Referring still to Figure 1, faucet spout 10 also includes liner or tube 18. Tube 18 extends between delivery end 19 and receiving end 22. Delivery end 19 of tube 18 includes tip 20 coupled to tube 18, while receiving end 22 of tube 18 includes diverter valve 24 coupled to tube 18. In one embodiment, tip 20 may be overmolded to tube 18.
In another embodiment, diverter valve 24 may be overmolded to tube 18. In yet another embodiment, both tip 20 and diverter valve 24 may be overmolded to tube 18. As shown in Figure 1B, tip 20 may be overmolded to tube 18 at an angle offset from the axis of tube 18 to facilitate positioning tube 18 and tip 20 in a curved spout body 12.
Such an attachment may be achieved using a curved core during the overmolding process.
The molded attachments of tip 20 to tube 18 and diverter valve 24 to tube 18 may reduce water leakage between the components. When assembled, tube 18 is received within the chamber of spout body 12 and is in fluid communication with a water source, illustratively through at least one control valve (not shown), to deliver water from inlet end 14 to outlet end 16 of spout body 12. Specifically, when assembled, tip 20 at delivery end 19 of tube 18 is positioned proximal outlet end 16 of spout body 12 and diverter valve 24 at receiving end 22 of tube 18 is positioned proximal inlet end 14 of spout body 12. Tube 18 may be formed of a flexible, polymeric material, such as a cross-linked polyethylene (PEX) material. In certain embodiments, tube 18 may be made from a pre-formed PEX tubing or a corrugated PEX tubing to increase flexibility.
[0025] As shown in Figures 1-4A, an exemplary method is provided for assembling a faucet spout. The assembly of faucet spout 10 (Figures 1-1B) is substantially the same as the assembly of faucet spout 10' (Figures 2-2B), except as distinguished below.

BDDB01 5834578v1 Corresponding parts of faucet spouts 10, 10', are labeled with corresponding reference numerals.
[0026] A step of the present method involves securing clip 30 and, optionally, sealing ring 32, to tip 20 of tube 18. Tip 20 of tube 18 has an outer periphery 38.
Tip 20 of tube 18 also includes two annular grooves, 34, 36, set into outer periphery 38 of tip 20 and sized to receive clip 30 and sealing ring 32. Sealing ring 32 may be an elastomeric 0-ring, for example, to provide a seal around tip 20 of tube 18.
[0027] As shown in Figure 3, clip 30 is a substantially C-shaped body with two terminal ends 40, 42, and middle section 44 located between terminal ends 40, 42. Clip 30 may be constructed of an elastomeric material, such as plastic. In a naturally expanded position, illustrated in Figure 4, clip 30 may be received within annular groove 34 of tip 20 and may extend beyond outer periphery 38 of tip 20. Specifically, first expansion section 46 located between terminal end 40 and middle section 44, and second expansion section 48 located between terminal end 42 and middle section 44, may extend beyond outer periphery 38 of tip 20. In the expanded position, terminal ends 40, 42, and middle section 44 of clip 30 engage tip 20 to secure clip 30 to tip 20 of tube 18. Clip 30 is naturally biased toward this expanded position. In a collapsed position, illustrated in Figure 4A, clip 30 may be received within annular groove 34 of tip 20 without extending beyond outer periphery 38 of tip 20. Specifically, terminal ends 40, 42, may be forced together such that first expansion section 46 and second expansion section 48 fit within outer periphery 38 of tip 20. Thus, in both the expanded position and the collapsed position, terminal ends 40, 42, and middle section 44 of clip 30 may engage tip 20, while expansion sections 46, 48, may engage tip 20 in the collapsed position. The elastic construction of clip 30 allows clip 30 to be collapsed and expanded. It is within the scope of the present disclosure that the shape of clip 30 may be modified while still providing for the collapse and expansion of clip 30.
[0028] After securing clip 30 and, optionally, sealing ring 32, to tip 20 of tube 18, tip 20 of tube 18 is inserted into spout body 12. To accommodate diverter valve 24 which may be integrally molded to receiving end 22 of tube 18, tip 20 of tube 18 is inserted into BDDB01 5834578v1 inlet end 14 of spout body 12 and through the chamber until reaching outlet end 16 of spout body 12. As a result, tip 20 at delivery end 19 of tube 18 is positioned proximal outlet end 16 of spout body 12 and diverter valve 24 at receiving end 22 of tube 18 is positioned proximal inlet end 14 of spout body 12. Because diverter valve 24 may not fit through the chamber of spout body 12, feeding tip 20 into inlet end 14 of spout body 12 allows diverter valve 24 to be integrally molded to receiving end 22 of tube 18 and appropriately positioned proximal inlet end 14 of spout body 12.
[0029] Another step of the present method involves moving tip 20 of tube 18 into insert 50. Insert 50 includes inner wall 52 and has a tapered or narrowed portion 54 and widened portion 56. Inner wall 52 forms first shoulder 58 between narrowed portion 54 and widened portion 56. The inner diameter of insert 50 increases along first shoulder 58 between narrowed portion 54 and widened portion 56.
[0030] Tip 20 of tube 18 is first inserted into narrowed portion 54 of insert 50. Outer periphery 38 of tip 20 is sized to fit within narrowed portion 54 of insert 50. Clip 30, which is located in annular groove 34 of tip 20, is forced into the collapsed position of Figure 4A. In this collapsed position, clip 30 does not extend beyond outer periphery 38 of tip 20, so tip 20 fits within narrowed portion 54 of insert 50. Inner wall 52 of insert 50 may contact clip 30 to prevent clip 30 from expanding outwardly.
[0031] Tip 20 of tube 18 is then inserted beyond narrowed portion 54 and into widened portion 56 of insert 50, as shown in Figure 1B. Inner wall 52 of insert 50 in widened portion 56 no longer prevents the expansion of clip 30, so clip 30 expands outwardly relative to tip 20 into the expanded position of Figure 4. Once clip 30 expands, tip 20 of tube 18 becomes trapped or locked within insert 50. First shoulder 58 prevents tip 20 of tube 18 from withdrawing from insert 50 into spout body 12, specifically toward inlet end 14 of spout body 12, in a direction indicated by arrow W. According to an exemplary embodiment of the present disclosure, sealing ring 32 located in annular groove 36 of tip 20 contacts inner wall 52 of insert 50 to seal tip 20 of tube 18 and insert 50 when tip 20 is locked within insert 50.

BDDB01 5834578v1
[0032] Tip 20 of tube 18 includes second shoulder 60 that extends beyond outer periphery 38 of tip 20 and that at least partially surrounds tip 20. When tip 20 of tube 18 is locked within insert 50, second shoulder 60 may abut insert 50 to prevent tip 20 of tube 18 from advancing through insert 50, specifically toward outlet end 16 of spout body 12, in a direction indicated by arrow A. A direction indicated by arrow A is substantially opposite a direction indicated by arrow W. According to an exemplary embodiment of the present disclosure, sealing ring 32 located in annular groove 36 of tip 20 is positioned between clip 30 located in annular groove 34 of tip 20 and second shoulder 60 of tip 20.
In this exemplary arrangement, tube 18 and insert 50 are in a sealed and locked engagement, in which first shoulder 58 of insert 50 and clip 30 prevent tip 20 of tube 18 from withdrawing from insert 50 in a direction indicated by arrow W, and second shoulder 60 of tip 20 prevents tip 20 from advancing through insert 50 in a direction indicated by arrow A.
[0033] Another step of the present method involves securing insert 50, and tube 18 locked therein, to outlet end 16 of spout body 12. Insert 50 may include a snap component 70 that is configured to engage spout body 12, for example. It is also within the scope of the present disclosure that insert 50 and spout body 12 may be secured together using a threaded connection or another suitable connection.
[0034] According to an embodiment of the present disclosure, illustrated in Figure 1B, insert 50 includes two flexible snap components 70 that engage third shoulder 72 of spout body 12. Snap components 70 are compressed against insert 50 as insert 50 is pressed into outlet end 16 of spout body 12, and then snap components 70 snap outward beyond third shoulder 72 of spout body 12. The interaction between snap components 70 and third shoulder 72 prevents insert 50, and tube 18 locked therein, from advancing through spout body 12 in a direction indicated by arrow A. Spout body 12 also includes fourth shoulder 74. Insert 50 is larger at its base to engage fourth shoulder 74, which prevents insert 50, and tube 18 locked therein, from withdrawing into spout body 12 in a direction indicated by arrow W. In this arrangement, tube 18 is sealed and locked within insert 50, and insert 50 is locked within spout body 12.

BDDB01 5834578v1
[0035] According to another embodiment of the present disclosure, illustrated in Figure 2B, insert 50' includes one flexible snap component 70' that is received within window 76' in spout body 12'. Snap component 70' is compressed against insert 50' as insert 50' is pressed into outlet end 16' of spout body 12', and then snap component 70' snaps outward and into window 76' in spout body 12'. The engagement between snap component 70' and window 76' prevents insert 50', and tube 18' locked therein, from advancing through spout body 12' in a direction indicated by arrow A' and from withdrawing into spout body 12' in a direction indicated by arrow W'. In this arrangement, tube 18' is sealed and locked within insert 50', and insert 50' is locked within spout body 12'.
[0036] Another step of the present method involves coupling aerator 80 to outlet end 16 of spout body 12. Aerator 80 provides for proper discharge of water from faucet spout 10. Advantageously, because tube 18 is sealed and locked within insert 50, and insert 50 is locked within spout body 12, aerator 80 may be cleaned and/or replaced without disturbing the other components. For example, removing aerator 80 will not cause tube 18 to retract or withdraw into spout body 12 in a direction indicated by arrow W.
[0037] According to an embodiment of the present disclosure, aerator 80 may be designed to attach directly to spout body 12, as shown in Figure 1B. For example, aerator 80 may include an annular ridge 82, and spout body 12 may include an annular groove 84 configured to receive annular ridge 82. Annular ridge 82 may be made of a resilient material such that aerator 80 can be press fit into spout body 12 to engage annular groove 84 and removed when necessary.
[0038] According to another embodiment of the present disclosure, aerator 80' may be designed to attach directly to insert 50', as shown in Figure 2B. For example, aerator 80 may include male threads 86' and insert 50' may include female threads 88' configured to threadably engage male threads 86'. In another embodiment, aerator 80' may be snapped into place within insert 50'. Such attachments facilitate removal of aerator 80' when necessary.

BDDB01 5834578v1
[0039] As shown in Figures 5-5B, another exemplary method is provided for assembling faucet spout 10". Parts of faucet spout 10" that correspond to faucet spout 10 (Figures 1-1B) and faucet spout 10' (Figure 2-2B), are labeled with corresponding reference numerals.
[0040] A step of the present method involves optionally securing sealing ring 32" to tip 20" of tube 18". Tip 20" of tube 18" has an outer periphery 38". Tip 20" of tube 18" also includes two annular grooves, 34", 36", set into outer periphery 38" of tip 20". Sealing ring 32" is inserted into annular groove 34", while annular groove 36" is left open to receive clip 30". Sealing ring 32" may be a rubber 0-ring, for example, to provide a seal around tip 20" of tube 18".
[0041] After securing sealing ring 32" to tip 20" of tube 18", tip 20" of tube 18" is inserted into spout body 12". To accommodate diverter valve 24" which may be integrally molded to receiving end 22" of tube 18", tip 20" of tube 18" is inserted into inlet end 14" of spout body 12" and through the chamber until reaching outlet end 16" of spout body 12". As a result, tip 20" at delivery end 19" of tube 18" is positioned proximal outlet end 16" of spout body 12" and diverter valve 24" at receiving end 22"
of tube 18" is positioned proximal inlet end 14" of spout body 12". Because diverter valve 24" may not fit through the chamber of spout body 12", feeding tip 20" into inlet end 14"
of spout body 12" allows diverter valve 24" to be integrally molded to receiving end 22" of tube 18" and appropriately positioned proximal inlet end 14" of spout body 12".
[0042] Another step of the present method involves moving tip 20" of tube 18"
into insert 50". Insert 50" includes inner wall 52" that contacts outer periphery 38" of tip 20"
and sealing ring 32" to provide a sealed engagement between insert 50" and tube 18". Tip 20" of tube 18" includes second shoulder 60" that extends beyond outer periphery 38" of tip 20". Second shoulder 60" may abut insert 50" to prevent tip 20" of tube 18" from advancing through insert 50", specifically toward outlet end 16" of spout body 12", in a direction indicated by arrow A".

BDDB01 5834578v1
[0043] After tip 20" of tube 18" is inserted into insert 50", another step of the present method involves securing tip 20" of tube 18" in place using clip 30". As shown in Figure 5A, clip 30" is a substantially C-shaped body with two terminal ends 40", 42", and middle section 44" located between terminal ends 40", 42". Clip 30" may be constructed of an elastomeric material, such as plastic. Clip 30" has a naturally expanded position, in which terminal ends 40", 42", of clip 30" are located farther apart than when clip 30" is compressed. Terminal ends 40", 42", of clip 30" include tabs 90", 92". During assembly, tip 20" is pressed into insert 50" until annular groove 36" of tip 20" is aligned with window 94" of insert 50". Terminal ends 40", 42", of clip 30" are inserted through window 94" to position clip 30" within annular groove 36" of tip 20".
Initially, inner wall 52" of insert 50" forces clip 30" into a compressed position within annular groove 36".
Eventually, terminal ends 40", 42", of clip 30" are pressed beyond a shoulder (not shown) of insert 50" such that ends 40", 42", of clip 30" are permitted to expand outwardly. Tabs 90", 92", engage the shoulder to prevent removal of clip 30". At the same time, middle section 44" of clip 30" is positioned within window 94" of insert 50". Wall 96" of insert 50" surrounding window 94" engages middle section 44" of clip 30". In this position, wall 96" of insert 50" prevents clip 30", and tip 20" of tube 18" attached thereto, from withdrawing from insert 50" into spout body 12", specifically toward inlet end 14" of spout body 12", in a direction indicated by arrow W". According to an exemplary embodiment of the present disclosure, sealing ring 32" located in annular groove 34" of tip 20" contacts inner wall 52" of insert 50" to seal tip 20" of tube 18" and insert 50" when tip 20" is locked within insert 50".
[0044] Another step of the present method involves securing insert 50", and tube 18"
locked therein, to outlet end 16" of spout body 12". As shown in Figure 5B, insert 50"
may have a shape that corresponds to the shape of spout body 12" to facilitate a mating engagement between the components. The shape of insert 50", which corresponds to the shape of spout body 12", may prevent insert 50" from withdrawing into spout body 12" in a direction indicated by arrow W" and/or from advancing through spout body 12"
in a direction indicated by arrow A". In one embodiment, spout body 12" may include shoulder 74". Like insert 50 (Figure 1B), insert 50" may be larger at its base to engage BDDB01 5834578v1 shoulder 74" of spout body 12". Also, as shown in Figure 5B, constraining ring 100" may be provided to secure insert 50" within spout body 12". Like insert 50", constraining ring 100" may also engage or abut shoulder 74" of spout body 12". In certain embodiments, constraining ring 100" may be sized to frictionally engage spout body 12" to lock insert 50" in place between constraining ring 100" and spout body 12". In certain other embodiments, constraining ring 100" may be externally threaded to couple to spout body 12" to lock insert 50" in place between constraining ring 100" and spout body 12". In addition to securing insert 50" in place, constraining ring 100" may also help to center insert 50" within spout body 12". According to an exemplary embodiment of the present disclosure, tube 18" is sealed and locked within insert 50", and insert 50" is secured to spout body 12" to prevent movement of insert 50" in a direction indicated by arrow W"
and in an opposite direction indicated by arrow A".
[0045] Another step of the present method involves coupling aerator 80" to outlet end 16" of spout body 12". Aerator 80" provides for proper discharge of water from faucet spout 10". Advantageously, because tube 18" is sealed and locked within insert 50", and insert 50" is secured to spout body 12", aerator 80" may be cleaned and/or replaced without disturbing the other components. As shown in Figure 5B, aerator 80"
may be designed to attach directly to insert 50". For example, aerator 80" may include male threads 86" and insert 50" may include female threads 88" configured to threadably engage male threads 86". In another embodiment, aerator 80" may be snapped into place within insert 50". Such attachments facilitate removal of aerator 80" when necessary.
[0046] As shown in Figures 6 and 6A, another exemplary faucet spout 10" is provided.
Faucet spout 10" is substantially similar to faucet spout 10 of Figures 1-1B, except as distinguished below. Corresponding parts of faucet spouts 10, 10", are labeled with corresponding reference numerals.
[0047] To provide a seal between spout body 12" and insert 50", faucet spout 10"
includes outer sealing ring 110". Outer sealing ring 110" may be an elastomeric 0-ring, for example. As shown in Figure 6A, insert 50" includes an annular groove 112"
set into its exterior surface to receive outer sealing ring 110". In use, outer sealing ring 110"

BDDB01 5834578v1 may reduce or prevent water from leaking back into spout body 12" in the event that aerator 80" is not secured tightly in place or otherwise fails to seal properly against insert 50" and/or spout body 12", for example.
[0048] While this invention has been described as having preferred designs, the scope of the claims should not be limited by the preferred embodiments set forth in the examples, but should be given the broadest interpretation consistent with the description as a whole.

Claims (27)

WHAT IS CLAIMED IS:
1. A faucet comprising:
a spout body having an inlet end and an outlet end, the spout body defining a chamber extending between the inlet end and the outlet end;
a tube received within the chamber of the spout body, the tube having a tip disposed proximal the outlet end of the spout body, the tip having a first shoulder spaced apart from a lower end of the tip;
an insert configured to couple to the outlet end of the spout body and receive the tip of the tube, the insert having a second shoulder, the first shoulder of the tip being configured to prevent the tube from advancing through the insert in a first direction toward the outlet end of the spout body; and a clip configured to engage the second shoulder of the insert to prevent the tube from withdrawing from the insert in a second direction in the spout body.
2. The faucet of claim 1, wherein the first shoulder of the tip is configured to abut the insert to prevent the tube from advancing from the spout body in the first direction.
3. The faucet of claim 1, wherein the tip comprises at least one annular groove configured to receive the clip.
4. The faucet of claim 2, wherein the tip comprises a second annular groove configured to receive a sealing ring.
5. The faucet of claim 1, wherein the insert includes at least one snap that engages the spout body.
6. The faucet of claim 1, further comprising an aerator configured to couple to the insert.
7. The faucet of claim 1, wherein the clip comprises a substantially C-shaped body.
8. The faucet of claim 1, wherein the clip is configured to collapse within an outer periphery of the spout tip.
9. The faucet of claim 1, wherein the insert includes an exterior groove that is sized to receive a sealing ring between the insert and the spout body.
10. The faucet of claim 1, further comprising a constraining ring configured to engage the spout body to secure the insert in place within the spout body.
11. An apparatus configured to retain a spout tube within a spout body of a faucet, the spout tube having a spout tip, the apparatus comprising:
an insert coupled to an outlet end of the spout body, the insert having a narrowed inlet portion and a widened outlet portion; and a clip having a substantially C-shaped body, the clip configured to collapse within an outer periphery of the spout tip in a first position within the narrowed inlet portion of the insert, such that an outer diameter of the clip is less than an inner diameter of the narrowed inlet portion of the insert, and the clip configured to expand beyond the outer periphery of the spout tip in a second position within the widened outlet portion of the insert, such that the outer diameter of the clip is greater than the inner diameter of the narrowed inlet portion of the insert.
12. The apparatus of claim 11, wherein the body of the clip extends between two terminal ends, the terminal ends being configured to engage the spout tip when the clip is in both the first position and the second position.
13. The apparatus of claim 11, wherein the body of the clip comprises two terminal ends, a middle section located between the two terminal ends, and least one expansion section located between at least one of the two terminal ends and the middle section, the at least one expansion section being configured to engage the spout tip when the clip is in the first position.
14. The apparatus of claim 13, wherein the middle section is configured to engage the spout tip when the clip is in both the first position and the second position.
15. The apparatus of claim 11, wherein the body of the clip extends between two terminal ends, the two terminal ends being located closer together when the clip is in the first position than when the clip is in the second position.
16. The apparatus of claim 11, wherein the clip is constructed of an elastic material and is biased toward the second position.
17. A method of retaining a spout tube within a spout body of a faucet, the spout tube having a tip and the spout body having an inlet end, an outlet end, and a chamber, the method comprising the steps of:
providing a clip and an insert;
positioning the spout tube within the chamber of the spout body with the tip of the spout tube located proximal the outlet end of the spout body;
moving the tip of the spout tube toward the outlet end of the spout body and into the insert until the clip expands outwardly relative to the tip and into engagement with the insert; and securing the insert to the outlet end of the spout body.
18. The method of claim 17, further comprising the step of securing a sealing ring to the tip.
19. The method of claim 17, wherein the step of securing the insert to the outlet end of the spout body comprises snapping the insert into the spout body.
20. The method of claim 17, wherein the step of positioning the spout tube within the chamber of the spout body comprises the steps of:
inserting the tip of the spout tube into the inlet end of the spout body; and moving the tip of the spout tube through the chamber of the spout body until reaching the outlet end of the spout body.
21. The method of claim 17, further comprising the step of coupling an aerator to the insert.
22. The method of claim 17, wherein the step of moving the tip of the spout tube into the insert comprises positioning a shoulder of the tip against the insert.
23. The method of claim 17, wherein the step of moving the tip of the spout tube into the insert comprises passing the tip through a narrow portion of the insert until passing a shoulder of the insert.
24. A method of retaining a spout tube within a spout body of a faucet, the spout tube having a tip and the spout body having an inlet end, an outlet end, and a chamber, the method comprising the steps of:
providing a clip and an insert;
positioning the spout tube within the chamber of the spout body with the tip of the spout tube located proximal the outlet end of the spout body;
coupling the tip of the spout tube to the insert by moving the clip toward the outlet end of the spout body and into the insert until the clip expands outwardly to engage a shoulder; and coupling the insert to the outlet end of the spout body.
25. The method of claim 24, wherein the step of moving the clip comprises inserting the clip into the insert along with the tip of the spout tube.
26. The method of claim 24, wherein the insert has an exterior window and the step of moving the clip comprises inserting the clip through the exterior window of the insert.
27. The method of claim 24, wherein the step of positioning the spout tube within the chamber of the spout body comprises the steps of:
inserting the tip of the spout tube into the inlet end of the spout body; and moving the tip of the spout tube through the chamber of the spout body until reaching the outlet end of the spout body.
CA2732265A 2008-09-25 2009-09-24 Spout tip retention method and apparatus Active CA2732265C (en)

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US12/237,811 US8104512B2 (en) 2008-09-25 2008-09-25 Spout tip retention method
PCT/US2009/058241 WO2010036810A1 (en) 2008-09-25 2009-09-24 Spout tip retention method and apparatus

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WO2010036810A1 (en) 2010-04-01
CN102164844A (en) 2011-08-24
CA2732265A1 (en) 2010-04-01
US8590572B2 (en) 2013-11-26
US20120144650A1 (en) 2012-06-14
US8104512B2 (en) 2012-01-31
MX2011002710A (en) 2011-04-21
US20100071778A1 (en) 2010-03-25
CN102164844B (en) 2014-02-26

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