CA2634310A1 - Nut locking apparatus - Google Patents
Nut locking apparatus Download PDFInfo
- Publication number
- CA2634310A1 CA2634310A1 CA002634310A CA2634310A CA2634310A1 CA 2634310 A1 CA2634310 A1 CA 2634310A1 CA 002634310 A CA002634310 A CA 002634310A CA 2634310 A CA2634310 A CA 2634310A CA 2634310 A1 CA2634310 A1 CA 2634310A1
- Authority
- CA
- Canada
- Prior art keywords
- nut
- fitting body
- fitting
- sleeve
- pawl
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
Abstract
A locking tubing system includes a length of tubing lying in any geometric complexity including a substantially straight line and a first fitting body having a securing member rotationally locked thereto. The first fitting body is affixed to one end of the length of tubing. The system also includes a first nut having a plurality of openings in cooperative relation to engage the securing member, a second fitting body having a securing member rotationally locked thereto, the second fitting body is affixed to the other end of the length of tubing and a second nut having a plurality of openings in cooperative relation to engage the securing member. The first nut and the second nut are threaded onto corresponding mated fittings, each securing member being engaged with at least one of the openings of the respective nuts thereby locking each of the nuts to the respective fitting body.
Claims (16)
1. A locking mechanism for a fitting assembly of a fluid coupling comprising:
a) a fitting body;
b) a securing member rotationally locked to said fitting body; and c) a nut having a plurality of openings in cooperative relation to engage said securing member, wherein when said nut is threaded onto an corresponding mated fitting, said securing member is engaged with at least one of said openings thereby locking said nut to said fitting body.
a) a fitting body;
b) a securing member rotationally locked to said fitting body; and c) a nut having a plurality of openings in cooperative relation to engage said securing member, wherein when said nut is threaded onto an corresponding mated fitting, said securing member is engaged with at least one of said openings thereby locking said nut to said fitting body.
2. The locking mechanism according to claim 1, wherein said fitting body is rigidly attached to a corresponding rigid tube, and wherein reactional forces from said male fitting are transmitted to said fitting body and said tube via said nut and said securing member.
3. A locking mechanism for a fitting assembly for a coupling comprising:
a) a fitting body having an outer surface and a central axis;
b) a spring member affixed to said outer surface, said spring member having a pawl projecting from said outer surface; and c) a nut having a plurality of ratchet teeth in cooperative relation to engage said pawl when said nut is threaded onto a corresponding mated fitting, wherein said nut is restrained by said fitting body from rotating in a thread loosening direction by the engagement of said pawl with said ratchet teeth.
a) a fitting body having an outer surface and a central axis;
b) a spring member affixed to said outer surface, said spring member having a pawl projecting from said outer surface; and c) a nut having a plurality of ratchet teeth in cooperative relation to engage said pawl when said nut is threaded onto a corresponding mated fitting, wherein said nut is restrained by said fitting body from rotating in a thread loosening direction by the engagement of said pawl with said ratchet teeth.
4. The locking mechanism according to claim 3, further comprising a release member rotatably affixed to said nut, said release member including an internal diameter for surrounding said spring member, said internal diameter including a recess for receiving said pawl in an extended state, wherein said pawl is forced out of said internal recess and away from said ratchet teeth when said release member is rotated in a pawl-disengaging direction.
5. The locking mechanism according to claim 4, further comprising a sleeve slidably affixed to said female assembly and surrounding a portion of said nut, said sleeve including a helical recess for receiving a guide member positioned on the outer surface of said release member, wherein forcing said sleeve away from said mated fitting in a direction substantially parallel to said central axis results in said guide member traveling within said helical recess thereby rotating said release member in a pawl-disengaging direction to disengage said pawl from said ratchet teeth.
6. The locking mechanism according to claim 5, further comprising an alignment member rotatably affixed to said release member, said alignment member including a sleeve guide which is received in a corresponding slot within said sleeve.
7. The locking mechanism according to claim 6, wherein said alignment member further comprises an internal diameter having a fitting body guide member positioned thereon, said fitting body guide member being received by a corresponding recess on said fitting body and/or said spring member.
8. A locking mechanism for a tubular fluid fitting assembly comprising:
a) a fitting body having an outer surface and a central axis;
b) a spring member affixed to said outer surface, said spring member having a pawl projecting from said outer surface; and c) a nut having a plurality of ratchet teeth in cooperative relation to engage said pawl when said nut is threaded onto a corresponding mated fitting, wherein said nut is restrained by said fitting body from rotating in a thread loosening direction by the engagement of said pawl with said ratchet teeth;
d) a release member rotatably affixed to said nut, said release member including an internal diameter for surrounding said spring member and/or said fitting body, said internal diameter including a recess for receiving said pawl in an extended state;
e) a sleeve slidably affixed to said female assembly and surrounding a portion of said nut, said sleeve including a helical recess for receiving a guide member positioned on the outer surface of said release member;
f) an alignment member rotatably affixed to said release member, said alignment member including a sleeve guide which is received in a corresponding slot within said sleeve, said alignment member also including an internal diameter having a fitting body guide member positioned thereon, said fitting body guide member being received by a corresponding recess on said fitting body and/or said spring member, wherein forcing said sleeve away from said mated fitting in a direction substantially parallel to said central axis results in said guide member traveling within said helical recess thereby rotating said release member in a pawl-disengaging direction to disengage said pawl from said ratchet teeth.
a) a fitting body having an outer surface and a central axis;
b) a spring member affixed to said outer surface, said spring member having a pawl projecting from said outer surface; and c) a nut having a plurality of ratchet teeth in cooperative relation to engage said pawl when said nut is threaded onto a corresponding mated fitting, wherein said nut is restrained by said fitting body from rotating in a thread loosening direction by the engagement of said pawl with said ratchet teeth;
d) a release member rotatably affixed to said nut, said release member including an internal diameter for surrounding said spring member and/or said fitting body, said internal diameter including a recess for receiving said pawl in an extended state;
e) a sleeve slidably affixed to said female assembly and surrounding a portion of said nut, said sleeve including a helical recess for receiving a guide member positioned on the outer surface of said release member;
f) an alignment member rotatably affixed to said release member, said alignment member including a sleeve guide which is received in a corresponding slot within said sleeve, said alignment member also including an internal diameter having a fitting body guide member positioned thereon, said fitting body guide member being received by a corresponding recess on said fitting body and/or said spring member, wherein forcing said sleeve away from said mated fitting in a direction substantially parallel to said central axis results in said guide member traveling within said helical recess thereby rotating said release member in a pawl-disengaging direction to disengage said pawl from said ratchet teeth.
9. A locking tubing system comprising:
a length of tubing lying in any geometric complexity including a substantially straight line;
a first fitting body having a securing member rotationally locked thereto, said first fitting body affixed to one end of said length of tubing;
a first nut having a plurality of openings in cooperative relation to engage said securing member, a second fitting body having a securing member rotationally locked thereto;
a second fitting body having a securing member rotationally locked thereto, said second fitting body affixed to the other end of said length of tubing;
a second nut having a plurality of openings in cooperative relation to engage said securing member, wherein when said first nut and said second nut are threaded onto corresponding mated fittings, each said securing member is engaged with at least one of said openings of said respective nuts thereby locking each said nut to said respective fitting body.
a length of tubing lying in any geometric complexity including a substantially straight line;
a first fitting body having a securing member rotationally locked thereto, said first fitting body affixed to one end of said length of tubing;
a first nut having a plurality of openings in cooperative relation to engage said securing member, a second fitting body having a securing member rotationally locked thereto;
a second fitting body having a securing member rotationally locked thereto, said second fitting body affixed to the other end of said length of tubing;
a second nut having a plurality of openings in cooperative relation to engage said securing member, wherein when said first nut and said second nut are threaded onto corresponding mated fittings, each said securing member is engaged with at least one of said openings of said respective nuts thereby locking each said nut to said respective fitting body.
10. The locking mechanism according to claim 9, wherein said reactional forces from said mated fittings are transmitted to fitting body and said tube via said nut and said securing member.
11. A locking mechanism for a fitting assembly of a coupling comprising:
a) a fitting body having a central axis and a first circumferential recess adjacent said flared end;
b) a nut having a plurality of ratchet teeth positioned parallel to said central axis and positioned on a rear portion of said nut;
c) a sleeve having a front side and a back side, said sleeve surrounding a portion of said fitting body and including a plurality of recesses adjacent said front side, said recesses having a shape substantially corresponding to a shape of said ratchet teeth of said nut, said sleeve recesses positioned in cooperative relation to engage said ratchet teeth when said nut is threaded onto a mated fitting, said sleeve member slidably attached to said fitting body allowing only for substantially linear movement along said fitting body, wherein threading of said nut onto said male fitting allows said ratchet teeth of said nut to move relative to said recesses of said sleeve and restrains said nut from moving in a loosening direction.
a) a fitting body having a central axis and a first circumferential recess adjacent said flared end;
b) a nut having a plurality of ratchet teeth positioned parallel to said central axis and positioned on a rear portion of said nut;
c) a sleeve having a front side and a back side, said sleeve surrounding a portion of said fitting body and including a plurality of recesses adjacent said front side, said recesses having a shape substantially corresponding to a shape of said ratchet teeth of said nut, said sleeve recesses positioned in cooperative relation to engage said ratchet teeth when said nut is threaded onto a mated fitting, said sleeve member slidably attached to said fitting body allowing only for substantially linear movement along said fitting body, wherein threading of said nut onto said male fitting allows said ratchet teeth of said nut to move relative to said recesses of said sleeve and restrains said nut from moving in a loosening direction.
12. The locking mechanism for a tubular fluid fitting assembly according to claim 11, further comprising a spring member positioned on said fitting body, said spring member for applying a linear force to said sleeve forcing said front side of said sleeve against the rear end portion of said nut.
13. A locking mechanism for a tubular fluid fitting assembly comprising:
a) a fitting body having a central axis;
b) a nut having a plurality of openings positioned;
e) a sleeve surrounding a portion of said nut, said sleeve including a rear end having an internal diameter for receiving said fitting body, said rear end including an inner surface having a securing member projecting out therefrom in a direction toward said nut and substantially parallel to said central axis of said fitting body, said securing member being received within one of said plurality of openings after said nut has substantially engaged a mated fitting.
a) a fitting body having a central axis;
b) a nut having a plurality of openings positioned;
e) a sleeve surrounding a portion of said nut, said sleeve including a rear end having an internal diameter for receiving said fitting body, said rear end including an inner surface having a securing member projecting out therefrom in a direction toward said nut and substantially parallel to said central axis of said fitting body, said securing member being received within one of said plurality of openings after said nut has substantially engaged a mated fitting.
14. The locking mechanism according to claim 13, further comprising a spring member affixed to an outer surface of said fitting body, said spring member having a pawl projecting from said outer surface for engagement with said openings.
15. The locking mechanism according to claim 13, wherein said sleeve may be slid away from nut to a retraction position so that said securing member is retracted out of a corresponding opening of said nut so that said nut may be loosened and/or tightened with said mated fitting.
16. A method for locking a nut of a female assembly of a fluid coupling to a fitting body of said female assembly when said female assembly is mated to a corresponding male fitting, said female assembly also including a securing member rotationally locked to said fitting body for engagement with a plurality of openings provided on said nut when said nut is threaded onto said male fitting, said method comprising the steps of:
threading said male fitting into said nut; and engaging said securing member with at least one of said plurality of openings.
threading said male fitting into said nut; and engaging said securing member with at least one of said plurality of openings.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13183699P | 1999-04-30 | 1999-04-30 | |
| US60/131,836 | 1999-04-30 | ||
| CA002370190A CA2370190C (en) | 1999-04-30 | 2000-04-28 | Nut locking apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002370190A Division CA2370190C (en) | 1999-04-30 | 2000-04-28 | Nut locking apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2634310A1 true CA2634310A1 (en) | 2000-11-09 |
| CA2634310C CA2634310C (en) | 2012-10-16 |
Family
ID=22451230
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002370190A Expired - Lifetime CA2370190C (en) | 1999-04-30 | 2000-04-28 | Nut locking apparatus |
| CA2634310A Expired - Lifetime CA2634310C (en) | 1999-04-30 | 2000-04-28 | Nut locking apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002370190A Expired - Lifetime CA2370190C (en) | 1999-04-30 | 2000-04-28 | Nut locking apparatus |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US6557900B1 (en) |
| EP (1) | EP1181475B1 (en) |
| AT (1) | ATE305584T1 (en) |
| AU (1) | AU4808800A (en) |
| CA (2) | CA2370190C (en) |
| DE (1) | DE60022875T2 (en) |
| ES (1) | ES2249267T3 (en) |
| WO (1) | WO2000066930A1 (en) |
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-
2000
- 2000-04-28 DE DE60022875T patent/DE60022875T2/en not_active Expired - Lifetime
- 2000-04-28 AT AT00930233T patent/ATE305584T1/en not_active IP Right Cessation
- 2000-04-28 CA CA002370190A patent/CA2370190C/en not_active Expired - Lifetime
- 2000-04-28 WO PCT/US2000/011603 patent/WO2000066930A1/en active IP Right Grant
- 2000-04-28 AU AU48088/00A patent/AU4808800A/en not_active Abandoned
- 2000-04-28 US US09/562,694 patent/US6557900B1/en not_active Expired - Lifetime
- 2000-04-28 EP EP00930233A patent/EP1181475B1/en not_active Expired - Lifetime
- 2000-04-28 CA CA2634310A patent/CA2634310C/en not_active Expired - Lifetime
- 2000-04-28 ES ES00930233T patent/ES2249267T3/en not_active Expired - Lifetime
-
2003
- 2003-05-06 US US10/431,628 patent/US7032931B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000066930A1 (en) | 2000-11-09 |
| ES2249267T3 (en) | 2006-04-01 |
| EP1181475A1 (en) | 2002-02-27 |
| US20040036292A1 (en) | 2004-02-26 |
| DE60022875T2 (en) | 2006-07-13 |
| US6557900B1 (en) | 2003-05-06 |
| CA2370190A1 (en) | 2000-11-09 |
| DE60022875D1 (en) | 2005-11-03 |
| ATE305584T1 (en) | 2005-10-15 |
| CA2634310C (en) | 2012-10-16 |
| US7032931B2 (en) | 2006-04-25 |
| AU4808800A (en) | 2000-11-17 |
| EP1181475B1 (en) | 2005-09-28 |
| CA2370190C (en) | 2008-07-15 |
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