US3785225A - Safety device for removing radiator caps - Google Patents
Safety device for removing radiator caps Download PDFInfo
- Publication number
- US3785225A US3785225A US3785225DA US3785225A US 3785225 A US3785225 A US 3785225A US 3785225D A US3785225D A US 3785225DA US 3785225 A US3785225 A US 3785225A
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- US
- United States
- Prior art keywords
- radiator
- sections
- cap
- retainer
- radiator cap
- Prior art date
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- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
- B25B27/0042—Tools for removing or replacing filters or for draining oil; Tools for setting or loosening closure means for radiators, batteries, or the like
Definitions
- the device When used to remove a radiator cap from a hot radiator, the device shields the person using the tool from being burned or scalded by steam or water emitting from the radiator and prevents water and the radiator cap from being blown back onto the engine or the person using the device.
- This invention relates to a safety device for removing radiator caps from overheated radiators while shielding the person using the tool from being burned or scalded by steam or water and preventing water and the radiator cap from being blown back onto the engine or the person using the device.
- the cap of an automobile radiator is frequently removed while the radiator is hot enough to emit steam.
- An automobile engine operates more efficiently when its cooling system is under pressure. Accordingly, after the engine has been in service for some time, the coolant liquid in the radiator may be at a temperature above the boiling point of the liquid at atmospheric pressure when the cap is removed. The coolant liquid may then spontaneously gush out of the radiator when the cap is removed, causing the possibility of injury to the person removing the cap.
- US. Pat. No. 3,371,563 discloses a device comprising a chamber having an opening so that a radiator cap projects within the chamber. There is a port in the chamber which is in communication with a hose for exhausting steam from the chamber. Depression of a handle moves a plate into engagement with the radiator cap. When the handle is turned, the cap is removed and the steam escapes from the radiator through the hose. US. Pat. Nos.
- FIG. 1 is an exploded perspective view of the safety device of this invention.
- FIG. 2 is an elongated sectional view of the safety device.
- FIG. 3 is a sectional view taken along line 3-3 of FIG. 2.
- a radiator cap removing device 10 comprising a shield means 11, a handle 12, a radiator cap engaging means 13 and a pressure release plate 14.
- the shield means or chamber 1 1 comprises two semicylindrical portions 15 and 16 joined together at one edge by a hinge 17 which extends longitudinally from the top to the bottom of the adjacent edges of the semicylindrical portions 15 and 16.
- the hinge 17 is secured to the edges of the portions 15 and 16 by rivets 18.
- the hinge 17 permits the two semicylindrical portions 15 and 16 to close to form the cylindrical shield 11.
- annular orifice 19 In one of the vertical walls of the semicylindrical portion 15 is an annular orifice 19.
- a threaded flange 20 extends outwardly from the side of the semicylindrical portion 15 which surrounds the annular orifice 19.
- a circular plate 21 is secured to the top edge of the semicylindrical portion 16.
- the diameter of the top plate 21 is substantially the same as and not greater then the inner diameter of the cylinder 11 formed when the semicylindrical portions 15 and 16 are in their closed positions.
- Extending upwardly from the center of the circular top plate 21 is a collar 22.
- a flange 23 is secured to the top edge of the semicircular portion 15 so that it overlaps a portion of the circular top plate 21 when the semicylindrical portions 15 and 16 are in their closed positions.
- each of the semicylindrical portions 15 and 16 are arcuate plates 24 and 25.
- the arcuate plates 24 and 25 form an annular opening 27 as shown in FIG. 3.
- the side edges 28 and 29 of the semicylindrical portions 15 and 16 opposite the edges joined by the hinge 17 extend somewhat beyond the arcuate plates 24 and 25. Thus, when the semicylindrical portions are in the closed position, the side edge 28 overlaps the side edge 29.
- the edges 28 and 29 may be fitted with a suitable clamp or latch device (not shown) to insure that the chamber stays closed.
- the handle 12 comprises a horizontal bar 30 and a rod 31 perpendicular thereto.
- the bottom portion of the rod 31 is threaded so that it may be screwed into the nut 32 on the cap engaging means 13.
- the nut 32 is fastened to a horizontal bar 33 which has a bend at each end thereof. Secured to each end of the bar 33 are tabs 34 which are adapted to engage the protuberances on a radiator cap.
- the pressure release plate 14 comprises a plurality of openings 35 and an annular orifice 36 in the center thereof.
- FIG. 2 The use of the radiator cap removing device of this invention is illustrated in FIG. 2.
- the device is positioned over a radiator so that the radiator cap 37 projects within the chamber 11. This is accomplished by placing the device while open, i.e., as shown in FIG. 1 so that one of the arcuate plates 24 or 25 is in approximate contact with the neck 38 of the radiator and the device is then closed by rotating the other semicylindrical portion on the hinge 17 so that side edges 28 and 29 overlap. Depression of the handle 12 moves the cap engaging means 13 and pressure release plate 14 downwards. The tabs 34 on the radiator cap engaging means 13 contact the protuberances 39 on the radiator cap 37 on opposite sides thereof so that when the handle is rotated, the radiator cap is unloosened and removed.
- the tabs 34 on the cap engaging means may have fingers thereon which will extend underneath the protuberances on the radiator cap thus permitting the radiator cap 37 to be raised when the handle 12 is raised.
- the pressure release plate 14 When steam at great pressure emits from the radiator, its initial force is partially dissipated by the pressure release plate 14. if the pressure of the steam is sufficiently great, the pressure release plate 14 may slide part way up the rod 31, thus absorbing much of the energy of the steam. The pressure release plate 14 also helps prevent steam from escaping through the collar 22. The steam does escape through the orifice 19.
- the threaded flange may be fitted with an elbow (not shown) which may be directed downward when the steam is being released and which may then be turned upward so that the radiator may be refilled by pouring water into the top of the elbow so that it will pass through the orifice 19.
- This device shields the person using the tool from being burned or scalded by steam or water emitting from a hot radiator and prevents water and the radiator cap from being blown back onto the engine or the person using the device.
- the component parts of the radiator cap removing device of this invention may be made of metal or plastic or any other solid material that is capable of withstanding heat and pressure.
- a radiator cap removing device which comprises a steam retainer positionable over a radiator cap, said steam retainer having an opening in the bottom thereof which is at least as large as the neck of the radiator to which the radiator cap is attached but smaller then the greatest width of the radiator cap, a shaft slideably and rotatably positioned in said retainer, said shaft including a cap removal means secured at one end thereof within said retainer and a gripping means at the other end of said shaft outside of said retainer said retainer being vertically separable into two sections and includes means for releasably securing the two sections whereby said chamber may be positioned over said radiator cap by bringing together said sections.
- a device as defined in claim 1 wherein a vertical edge of one of said sections is attached to a vertical edge of the other of said sections by a hinge means.
- each of said separable sections comprises an arcuate plate whereby when said sections are brought together to form said steam retainer chamber, said arcuate plates form an annular opening through which a radiator cap will project.
- one of said separable sections contains an annular orifice in the side thereof, and means in communication with said orifice for directing steam away from said device.
- each of said separable sections is semicylindrical in shape and one of said semicylindrical sections has a circular plate secured to the top edge thereof, the diameter of said circular plate being substantially the same as and not greater then the inner diameter of the cylindrical chamber formed when said semicylindrical sections are brought together.
- a device as defined in claim 5 comprising a pressure release plate slideably siutated on said shaft means.
- said pressure release plate comprises a circular plate having a diameter approximately equal to the inner diameter of said chamber and containing a plurality of openings therein.
Abstract
There is disclosed a radiator cap removing device which comprises a steam retainer chamber positionable over a radiator cap. The steam retainer chamber has an opening in the bottom which is at least as large as the neck of the radiator to which the radiator cap is attached but smaller then the greatest width of the radiator cap. The radiator cap projects though this opening. A shaft is slideably and rotatably positioned in the retainer chamber. This shaft includes a cap removal means secured at one end thereof within the retainer and a gripping means at the other end of the shaft outside of the retainer chamber. There is also disclosed a pressure release plate containing a number of orifices slideably positioned on the shaft above the cap removal means. When used to remove a radiator cap from a hot radiator, the device shields the person using the tool from being burned or scalded by steam or water emitting from the radiator and prevents water and the radiator cap from being blown back onto the engine or the person using the device.
Description
United States Patent 1191 McKenna et a1.
[ Jan. 15, 1974 SAFETY DEVICE FOR REMOVING RADIATOR CAPS [75] Inventors: James J. McKenna, Lake Worth,
Fla.; Roy Harter, late of Palm Springs, Fla.
[73] Assignee: H. Elisabet Harter surviving spouse of Roy S. Hatter, Palm Springs, Fla. 221 Filed: May 25, 1972 [21] Appl. No.: 256,823
52 us. c1 s1/3.1 R [51] Int. Cl B67b 7/44, B25b 29/00 [58] Field of Search 8l/3.l R, 3.1 B, 81/334, 90 C, 90 D, 90 B [56] References Cited UNITED STATES PATENTS 3,037,408 6/1962 Rives et al 81/90 B 3,371,563 3/1968 Lallo 81/90 B 3,481,227 12/1969 Shook 8l/3.l R 3,618,428 11/1971 Phipps ..s1 3.1 R
Primary Examiner-Donald G. Kelly Assistant Examiner-Roscoe V. Parker Attorney-D. C. Roylance et a].
[57] ABSTRACT There is disclosed a radiator cap removing device which'comprises a steam retainer chamber positionable over a radiator cap. The steam retainer chamber has an opening in the bottom which is at least as large as the neck of the radiator to which the radiator cap is "attached but smaller then the greatest width of the radiator cap. The radiator cap projects though this opening. A shaft is slideably and rotatably positioned in the retainer chamber. This shaft includes a cap removal means secured at one end thereof within the retainer and a gripping means at the other end of the shaft outside of the retainer chamber. There is also disclosed a pressure release plate containing a number of orifices slideably positioned on the shaft above the cap removal means. When used to remove a radiator cap from a hot radiator, the device shields the person using the tool from being burned or scalded by steam or water emitting from the radiator and prevents water and the radiator cap from being blown back onto the engine or the person using the device.
9 Claims, 3 Drawing Figures SAFETY DEVICE FOR REMOVING RADIATOR CAPS This invention relates to a safety device for removing radiator caps from overheated radiators while shielding the person using the tool from being burned or scalded by steam or water and preventing water and the radiator cap from being blown back onto the engine or the person using the device.
The cap of an automobile radiator is frequently removed while the radiator is hot enough to emit steam. An automobile engine operates more efficiently when its cooling system is under pressure. Accordingly, after the engine has been in service for some time, the coolant liquid in the radiator may be at a temperature above the boiling point of the liquid at atmospheric pressure when the cap is removed. The coolant liquid may then spontaneously gush out of the radiator when the cap is removed, causing the possibility of injury to the person removing the cap.
Various devices have been proposed to remove a radiator cap from a hot engine which are designed to prevent the user from being burned or scalded during the removal of the cap. For example, US. Pat. No. 3,371,563 discloses a device comprising a chamber having an opening so that a radiator cap projects within the chamber. There is a port in the chamber which is in communication with a hose for exhausting steam from the chamber. Depression of a handle moves a plate into engagement with the radiator cap. When the handle is turned, the cap is removed and the steam escapes from the radiator through the hose. US. Pat. Nos. 3,014,389; 3,037,408; 3,352,184; 3,481,227; and 3,618,428 disclose devices comprising a gripping means for a radiator cap located inside a shield with a handle integrally mounted on the shield. When the handle is turned, the radiator cap is turned and removed and the radiator fluids are diverted by the shield. US. Pat. Nos. 2,599,668; 3,007,356; 3,035,466; 3,261,242; and 3,274,864 disclose hand held radiator cap removing tools with extended handles so that the radiator cap can be removed at safe distance. US. Pat. Nos. 3,121,355 and 3,253,485 disclose hand held resilient radiator cap removing devices which fit over the radiator cap and divert hot fluids emitting from the radiator by means of a flange.
It is an object of this invention to provide an improved safety device for removing radiator caps from overheated radiators.
It is another object of this invention to provide a radiator cap removing means which includes a protective shield and disposed therein a pressure release plate.
It is a further object of this invention to provide a safety device for removing radiator caps from overheated radiators which shields the person using the tool from being burned or scalded by steam or water and prevents water and the radiator cap from being blown back onto the engine or the person using the device.
These and other objects are attained by the practice of this invention which, briefly, comprises providing a radiator cap removing device which comprises a steam retainer chamber positionable over a radiator cap. The steam retainer has an opening in the bottom thereof which is at least as large as the neck of the radiator to which the radiator cap is attached but smaller then the greatest width of the cap itself. There is a shaft means slideably and rotatably positioned in the steam retainer chamber. The shaft includes a cap removal means secured at one end thereof within the chamber and a gripping means at the other end of the shaft outside the chamber.
The invention will be more particularly described with reference to the accompanying drawings wherein:
FIG. 1 is an exploded perspective view of the safety device of this invention.
FIG. 2 is an elongated sectional view of the safety device.
FIG. 3 is a sectional view taken along line 3-3 of FIG. 2.
Referring more particularly to the drawings, there is shown a radiator cap removing device 10 comprising a shield means 11, a handle 12, a radiator cap engaging means 13 and a pressure release plate 14.
The shield means or chamber 1 1 comprises two semicylindrical portions 15 and 16 joined together at one edge by a hinge 17 which extends longitudinally from the top to the bottom of the adjacent edges of the semicylindrical portions 15 and 16. The hinge 17 is secured to the edges of the portions 15 and 16 by rivets 18. The hinge 17 permits the two semicylindrical portions 15 and 16 to close to form the cylindrical shield 11.
In one of the vertical walls of the semicylindrical portion 15 is an annular orifice 19. A threaded flange 20 extends outwardly from the side of the semicylindrical portion 15 which surrounds the annular orifice 19.
A circular plate 21 is secured to the top edge of the semicylindrical portion 16. The diameter of the top plate 21 is substantially the same as and not greater then the inner diameter of the cylinder 11 formed when the semicylindrical portions 15 and 16 are in their closed positions. Extending upwardly from the center of the circular top plate 21 is a collar 22. A flange 23 is secured to the top edge of the semicircular portion 15 so that it overlaps a portion of the circular top plate 21 when the semicylindrical portions 15 and 16 are in their closed positions.
Secured to the bottom edge of each of the semicylindrical portions 15 and 16 are arcuate plates 24 and 25. Whenthe semicylindrical portions are in their closed positions the arcuate plates 24 and 25 form an annular opening 27 as shown in FIG. 3.
The side edges 28 and 29 of the semicylindrical portions 15 and 16 opposite the edges joined by the hinge 17 extend somewhat beyond the arcuate plates 24 and 25. Thus, when the semicylindrical portions are in the closed position, the side edge 28 overlaps the side edge 29. The edges 28 and 29 may be fitted with a suitable clamp or latch device (not shown) to insure that the chamber stays closed.
The handle 12 comprises a horizontal bar 30 and a rod 31 perpendicular thereto. The bottom portion of the rod 31 is threaded so that it may be screwed into the nut 32 on the cap engaging means 13. The nut 32 is fastened to a horizontal bar 33 which has a bend at each end thereof. Secured to each end of the bar 33 are tabs 34 which are adapted to engage the protuberances on a radiator cap.
The pressure release plate 14 comprises a plurality of openings 35 and an annular orifice 36 in the center thereof. When the radiator cap removing device is assembled, the rod 31 on the handle 12 is inserted through the collar 22 and through the annular orifice 36 of the pressure release plate and is secured to the cap engaging means 33 by means of the nut 32.
The use of the radiator cap removing device of this invention is illustrated in FIG. 2. The device is positioned over a radiator so that the radiator cap 37 projects within the chamber 11. This is accomplished by placing the device while open, i.e., as shown in FIG. 1 so that one of the arcuate plates 24 or 25 is in approximate contact with the neck 38 of the radiator and the device is then closed by rotating the other semicylindrical portion on the hinge 17 so that side edges 28 and 29 overlap. Depression of the handle 12 moves the cap engaging means 13 and pressure release plate 14 downwards. The tabs 34 on the radiator cap engaging means 13 contact the protuberances 39 on the radiator cap 37 on opposite sides thereof so that when the handle is rotated, the radiator cap is unloosened and removed. The tabs 34 on the cap engaging means may have fingers thereon which will extend underneath the protuberances on the radiator cap thus permitting the radiator cap 37 to be raised when the handle 12 is raised. When steam at great pressure emits from the radiator, its initial force is partially dissipated by the pressure release plate 14. if the pressure of the steam is sufficiently great, the pressure release plate 14 may slide part way up the rod 31, thus absorbing much of the energy of the steam. The pressure release plate 14 also helps prevent steam from escaping through the collar 22. The steam does escape through the orifice 19. The threaded flange may be fitted with an elbow (not shown) which may be directed downward when the steam is being released and which may then be turned upward so that the radiator may be refilled by pouring water into the top of the elbow so that it will pass through the orifice 19. This device shields the person using the tool from being burned or scalded by steam or water emitting from a hot radiator and prevents water and the radiator cap from being blown back onto the engine or the person using the device.
The component parts of the radiator cap removing device of this invention may be made of metal or plastic or any other solid material that is capable of withstanding heat and pressure.
While a particularly advantageous embodiment of the invention has been described and illustrated, it will be recognized by those skilled in the art that various modifications can be made therein without departing from the scope of the claims.
We claim:
1. A radiator cap removing device which comprises a steam retainer positionable over a radiator cap, said steam retainer having an opening in the bottom thereof which is at least as large as the neck of the radiator to which the radiator cap is attached but smaller then the greatest width of the radiator cap, a shaft slideably and rotatably positioned in said retainer, said shaft including a cap removal means secured at one end thereof within said retainer and a gripping means at the other end of said shaft outside of said retainer said retainer being vertically separable into two sections and includes means for releasably securing the two sections whereby said chamber may be positioned over said radiator cap by bringing together said sections.
2. A device as defined in claim 1 wherein a vertical edge of one of said sections is attached to a vertical edge of the other of said sections by a hinge means.
3. A device as defined in claim 2 wherein the bottom portion of each of said separable sections comprises an arcuate plate whereby when said sections are brought together to form said steam retainer chamber, said arcuate plates form an annular opening through which a radiator cap will project.
4. A device as defined in claim 3 wherein one of said separable sections contains an annular orifice in the side thereof, and means in communication with said orifice for directing steam away from said device.
5. A device as defined in claim 1 wherein each of said separable sections is semicylindrical in shape and one of said semicylindrical sections has a circular plate secured to the top edge thereof, the diameter of said circular plate being substantially the same as and not greater then the inner diameter of the cylindrical chamber formed when said semicylindrical sections are brought together.
6. A device as defined in claim 5 wherein the other of said semicylindrical sections has a arcuate flange secured to the top edge thereof which overlaps a portion of said circular plate when said semicylindrical sections are brought together.
7. A device as defined in claim 5 wherein said top plate has a collar in the middle thereof through which said shaft extends.
8. A device as defined in claim 5 comprising a pressure release plate slideably siutated on said shaft means.
9. A device as defined in claim 8 wherein said pressure release plate comprises a circular plate having a diameter approximately equal to the inner diameter of said chamber and containing a plurality of openings therein.
Claims (9)
1. A radiator cap removing device which comprises a steam retainer positionable over a radiator cap, said steam retainer having an opening in the bottom thereof which is at least as large as the neck of the radiator to which the radiator cap is attached but smaller then the greatest width of the radiator cap, a shaft slideably and rotatably positioned in said retainer, said shaft including a cap removal means secured at one end thereof within said retainer and a gripping means at the other end of said shaft outside of said retainer said retainer being vertically separable into two sections and includes means for releasably securing the two sections whereby said chamber may be positioned over said radiator cap by bringing together said sections.
2. A device as defined in claim 1 wherein a vertical edge of one of said sections is attached to a vertical edge of the other of said sections by a hinge means.
3. A device as defined in claim 2 wherein the bottom portion of each of said separable sections comprises an arcuate plate whereby when said sections are brought together to form said steam retainer chamber, said arcuate plates form An annular opening through which a radiator cap will project.
4. A device as defined in claim 3 wherein one of said separable sections contains an annular orifice in the side thereof, and means in communication with said orifice for directing steam away from said device.
5. A device as defined in claim 1 wherein each of said separable sections is semicylindrical in shape and one of said semicylindrical sections has a circular plate secured to the top edge thereof, the diameter of said circular plate being substantially the same as and not greater then the inner diameter of the cylindrical chamber formed when said semicylindrical sections are brought together.
6. A device as defined in claim 5 wherein the other of said semicylindrical sections has a arcuate flange secured to the top edge thereof which overlaps a portion of said circular plate when said semicylindrical sections are brought together.
7. A device as defined in claim 5 wherein said top plate has a collar in the middle thereof through which said shaft extends.
8. A device as defined in claim 5 comprising a pressure release plate slideably siutated on said shaft means.
9. A device as defined in claim 8 wherein said pressure release plate comprises a circular plate having a diameter approximately equal to the inner diameter of said chamber and containing a plurality of openings therein.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25682372A | 1972-05-25 | 1972-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3785225A true US3785225A (en) | 1974-01-15 |
Family
ID=22973729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US3785225D Expired - Lifetime US3785225A (en) | 1972-05-25 | 1972-05-25 | Safety device for removing radiator caps |
Country Status (1)
Country | Link |
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US (1) | US3785225A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4095492A (en) * | 1977-03-11 | 1978-06-20 | J-Mark Quality Products, Inc. | Radiator cap turning tool |
US4177529A (en) * | 1978-08-18 | 1979-12-11 | Deere & Company | Filter wrench |
US4522089A (en) * | 1983-10-28 | 1985-06-11 | Alvi Javid R | Test tube cap remover |
US5161436A (en) * | 1991-02-12 | 1992-11-10 | Stevenson Robert L | Unitary tool for removing radiator caps |
WO1995013243A1 (en) * | 1993-11-09 | 1995-05-18 | Trevor William Gillan | Cap removal device |
US20040045409A1 (en) * | 2002-09-06 | 2004-03-11 | Whitmire Micro-Gen Research Laboratories, Inc. | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
US6840461B1 (en) | 2003-10-03 | 2005-01-11 | Whitmire Micro-Gen Research Laboratories, Inc. | Adapter clamp for aerosol can |
US20080060480A1 (en) * | 2002-09-06 | 2008-03-13 | Whitmire Micro-Gen Research Laboratories, Inc. | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037408A (en) * | 1959-10-14 | 1962-06-05 | Swingspout Measure Company | Radiator cap remover |
US3371563A (en) * | 1966-08-11 | 1968-03-05 | Matthew J. Lallo | Safety radiator cap removal tool |
US3481227A (en) * | 1968-02-14 | 1969-12-02 | Alvin L Shook | Wrench |
US3618428A (en) * | 1970-06-29 | 1971-11-09 | Charles Dennis Phipps | Automobile radiator cap tool |
-
1972
- 1972-05-25 US US3785225D patent/US3785225A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3037408A (en) * | 1959-10-14 | 1962-06-05 | Swingspout Measure Company | Radiator cap remover |
US3371563A (en) * | 1966-08-11 | 1968-03-05 | Matthew J. Lallo | Safety radiator cap removal tool |
US3481227A (en) * | 1968-02-14 | 1969-12-02 | Alvin L Shook | Wrench |
US3618428A (en) * | 1970-06-29 | 1971-11-09 | Charles Dennis Phipps | Automobile radiator cap tool |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4095492A (en) * | 1977-03-11 | 1978-06-20 | J-Mark Quality Products, Inc. | Radiator cap turning tool |
US4177529A (en) * | 1978-08-18 | 1979-12-11 | Deere & Company | Filter wrench |
US4522089A (en) * | 1983-10-28 | 1985-06-11 | Alvi Javid R | Test tube cap remover |
US5161436A (en) * | 1991-02-12 | 1992-11-10 | Stevenson Robert L | Unitary tool for removing radiator caps |
WO1995013243A1 (en) * | 1993-11-09 | 1995-05-18 | Trevor William Gillan | Cap removal device |
US20040045409A1 (en) * | 2002-09-06 | 2004-03-11 | Whitmire Micro-Gen Research Laboratories, Inc. | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
US7272993B2 (en) | 2002-09-06 | 2007-09-25 | Whitmire Micro-Gen Research Laboratories, Inc. | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
US20080060480A1 (en) * | 2002-09-06 | 2008-03-13 | Whitmire Micro-Gen Research Laboratories, Inc. | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
US8061238B2 (en) | 2002-09-06 | 2011-11-22 | Basf Corporation | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
US8225697B2 (en) | 2002-09-06 | 2012-07-24 | Basf Corporation | Tool and method for removing and installing a tamper-resistant cap of a pest control device |
US6840461B1 (en) | 2003-10-03 | 2005-01-11 | Whitmire Micro-Gen Research Laboratories, Inc. | Adapter clamp for aerosol can |
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