US3718058A - Camlock threaded stud actuator - Google Patents
Camlock threaded stud actuator Download PDFInfo
- Publication number
- US3718058A US3718058A US00163183A US3718058DA US3718058A US 3718058 A US3718058 A US 3718058A US 00163183 A US00163183 A US 00163183A US 3718058D A US3718058D A US 3718058DA US 3718058 A US3718058 A US 3718058A
- Authority
- US
- United States
- Prior art keywords
- members
- threaded
- bores
- cam means
- stud
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/103—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means for gripping threaded studs
Definitions
- ABSTRACT A threaded stud actuator including two members having threaded bores adapted to be easily threaded in alignment along a threaded stud and having complementary camming structure between the members to cause the threaded bores of the members to grip the stud when relative rotation is imposed between the members.
- This invention generally relates to apparatus for gripping the threads of a threaded member to rotate the member without impairment of the threads and more particularly relates to a tool or wrench for removing or installing threaded studs as utilized in engine blocks, process heat exchangers, pumps, flanged valves and the like.
- the stud actuator of this invention positively grips the threaded portion of a threaded member in a manner permitting very high torque to be imposed on the threaded member through the actuator without thread impairment or damage.
- the stud actuator is comparatively simple in construction and inexpensive to manufacture.
- the stud actuator of this invention is of construction permitting its production in quantity with automatic machine tools.
- a tool for removing and installing screw threaded members without thread impairment comprising: a first member having a first threaded bore and a first cam means formed eccentric to said first threaded bore axis, a second member having a second threaded bore and a second cam means formed eccentric to said second threaded bore axis.
- the second cam means accommodates the first cam means to coaxially align the bore axes at a selected relative arcuate position of the members and to disalign the bore axes when the members are relatively rotated from the selected arcuate position.
- the members are adapted to be positioned by means to place the bore axes in alignment to thread both members along a threaded member and alternatively to move the members into a different relative arcuate position thereby to cause coaction of said members to tightly grip said threaded member.
- FIG. 1 is an exploded perspective view of one embodiment of the stud actuator of this invention
- FIG. 2 is a longitudinal sectional view of the stud actuator shown in FIG. 1 when assembled for rotation along the threads of a stud;
- FIG. 3 is a sectional view taken along the line 3-3 of FIG. 2;
- FIG. 4 is a sectional view of the stud actuator as shown in FIG. 3 when manipulated into a thread gripping position;
- FIG. 5 is an exploded perspective view of another embodiment of the stud actuator of this invention.
- FIG. 6 is a longitudinal sectional view of the stud actuator of FIG. 5 when assembled for rotation along the threads of a stud
- FIG. 7 is a cross-section taken along the line 77 of FIG. 6.
- FIGS. 1-3 there is shown the actuator 10 which includes a member 12 and a member 14 contained within an alignment sleeve 16.
- Members 12 and 14 have internal bores 18 and 20 in which are formed threads 22 and 24.
- the threads 22 and 24 may be threaded along the threads 26 of a stud 28 as shown.
- Stud 28 commonly may be installed in a member 30 such as a cylinder block, heat exchanger, pump housing, or the like.
- a cam face 32 shown as an internal face, is formed in member 12.
- a complementary cam face 34 shown as an external cam face, is formed in member 14.
- the cam faces are formed eccentric to the internal bores 18 and 20 in a manner permitting threads 22 and 24 to be in alignment in one relative arcuate position of members 12. and 14 whereby the members may be jointly threaded along the threads 26 of a stud 28.
- Members 12 and 14 have alignment means 36 and 38, shown as spline grooves or slots, which accommodate an internal alignment means 40, shown as a spline key, formed in alignment sleeve 16. When sleeve 16 is placed over members 12 and 14 with key 40 in slots 36 and 38, the bores 18 and 20 are in alignment and the actuator 10 may be threaded readily along stud 28.
- FIG. 4 A view of members 12 and 14 when relatively arcuately moved to lock on stud 28 is shown in FIG. 4.
- the relative arcuate movement of members 12 and 14 to lock onto stud 28 may be exaggerated in FIG. 4. It is to be noted that forming cam faces internally and externally as shown is a preferred embodiment but that other cam profiles may be used so long as members 12 and 14 cooperate to grip a stud in response to relative rotation therebetween.
- FIGS. 5-7 An alternative embodiment of the camlock actuator is shown in FIGS. 5-7.
- the alignment means 36 and 38' are formed as wrench flats rather than grooves, and the alignment sleeve 16 may be a conventional socket, box or open end wrench or the like, rather than a special sleeve.
- the members 12 and 14 are maintained with bores 18 and 20 in alignment by alignment means 16 and the actuator is threaded along an installed stud 28.
- the alignment means 16 is removed and a wrench is applied to member 12, or between member 12 and member 14, to cause relative rotation between the members.
- Such relative rotation causes the actuator 10 to grip the stud 28 with tightness proportional to the torque applied between the members.
- the stud 28 may be unthreaded from block 30 by application of a wrench to member 12 which will rotate the entire actuator 10 and stud 28.
- the members 12 and 14 may he realigned by means of wrenches, or a wrench and a vise, and the stud unthreaded from the members for reuse as desired.
- a stud 28 may be installed by reversing the above procedure. It is also pointed out that variations of this invention may be utilized in power tools such as pneumatic wrenches or the like.
- a tool for removing and installing threaded studs without thread impairment comprising: a first member having a first threaded bore and a first cam means, a second member having a second threaded bore and a second cam means, said second cam means accommodating said first cam means to align said threaded bores when said members are disposed at a selected relative arcuate position for threading both members along a threaded stud and also for causing coaction of said members to tightly grip said stud when said members are moved to a different relative arcuate position.
- cam means have concentric camming surfaces disposed parallel with the axes of said bores.
- a tool for removing and installing screw threaded members without thread impairment comprising: a first member having a first threaded bore and an external cam means, a second member having a second threaded bore and an internal cam means, said internal cam means accommodating said external cam means to align said threaded bores when said members are disposed at a selected relative arcuate position for threading both members along a threaded member and also for causing coaction of said members to tightly grip said threaded member when said members are moved to a different relative arcuate position.
- a tool for removing and installing screw threaded studs without thread impairment comprising: a first member having a first threaded bore and a first cam means, a second member having a second threaded bore and a second cam means, said second cam means cooperating with said first cam means to relatively dispose said threaded bores when said members are disposed at a selected relative arcuate position to thread both members jointly along a threaded stud and also to redispose said threaded bores to cause coaction of said members to tightly grip said threaded stud when said members are moved to a different relative arcuate position.
- a threaded stud actuator comprising: a first member having a first threaded bore and an external cam disposed in eccentric relation around said first bore, a second member having a seconded threaded bore and an internal cam disposed in eccentric relation around said second bore and receiving said external cam for permitting axial alignment of said bores when said members are disposed in a selected position and causing disalignment of said bores when one of said members is rotated away from said selected position.
- said means for maintaining said bores in alignment comprise said members having aligned slots adapted to be received jointly and aligned in splined positioning means.
- said means for maintaining said bores in alignment comprises said members having a plurality of aligned fiat external surfaces adapted to be received jointly and aligned by a wrench.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16318371A | 1971-07-16 | 1971-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3718058A true US3718058A (en) | 1973-02-27 |
Family
ID=22588837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00163183A Expired - Lifetime US3718058A (en) | 1971-07-16 | 1971-07-16 | Camlock threaded stud actuator |
Country Status (1)
Country | Link |
---|---|
US (1) | US3718058A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5907983A (en) * | 1997-09-08 | 1999-06-01 | Spirer; Steven E. | Stud remover |
US6189416B1 (en) | 1992-09-14 | 2001-02-20 | Raymond D. Groom | Stud bolt tool and method of using same |
US20040187646A1 (en) * | 2003-03-27 | 2004-09-30 | Lisle Corporation | Stud installation and stud removal tool set |
US20150000096A1 (en) * | 2011-12-26 | 2015-01-01 | The Gates Corporation | Extraction device for removing an adapter secured in a port |
US20180290272A1 (en) * | 2017-04-06 | 2018-10-11 | Larry Gene Eubank | Sockets, tools, and methods for decoupling threadably coupled components |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US691406A (en) * | 1901-01-28 | 1902-01-21 | Lewis H Morgan | Stud setting and extracting tool. |
US1681203A (en) * | 1923-12-10 | 1928-08-21 | Westerberg Nils Halvar | Stud setting and loosening tool |
US2105788A (en) * | 1934-04-13 | 1938-01-18 | Claude I Hess | Stud setter |
-
1971
- 1971-07-16 US US00163183A patent/US3718058A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US691406A (en) * | 1901-01-28 | 1902-01-21 | Lewis H Morgan | Stud setting and extracting tool. |
US1681203A (en) * | 1923-12-10 | 1928-08-21 | Westerberg Nils Halvar | Stud setting and loosening tool |
US2105788A (en) * | 1934-04-13 | 1938-01-18 | Claude I Hess | Stud setter |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6189416B1 (en) | 1992-09-14 | 2001-02-20 | Raymond D. Groom | Stud bolt tool and method of using same |
US5907983A (en) * | 1997-09-08 | 1999-06-01 | Spirer; Steven E. | Stud remover |
US20040187646A1 (en) * | 2003-03-27 | 2004-09-30 | Lisle Corporation | Stud installation and stud removal tool set |
US20150000096A1 (en) * | 2011-12-26 | 2015-01-01 | The Gates Corporation | Extraction device for removing an adapter secured in a port |
US9939090B2 (en) * | 2011-12-26 | 2018-04-10 | Gates Corporation | Extraction device for removing an adapter secured in a port |
US10174873B2 (en) * | 2011-12-26 | 2019-01-08 | Gates Corporation | Extraction device for removing an adapter secured in a port |
US20180290272A1 (en) * | 2017-04-06 | 2018-10-11 | Larry Gene Eubank | Sockets, tools, and methods for decoupling threadably coupled components |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CITIBANK, N.A., NEW YORK Free format text: SECURITY INTEREST;ASSIGNOR:BORG-WARNER INDUSTRIAL PRODUCTS, INC.,;REEL/FRAME:004745/0480 Effective date: 19870520 Owner name: BORG-WARNER INDUSTRIAL PRODUCTS, INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BORG-WARNER CORPORATION;REEL/FRAME:004745/0469 Effective date: 19870514 Owner name: CITIBANK, N.A., 641 LEXINGTON AVE., NEW YORK, NY 1 Free format text: SECURITY INTEREST;ASSIGNOR:BORG-WARNER INDUSTRIAL PRODUCTS, INC.,;REEL/FRAME:004745/0480 Effective date: 19870520 Owner name: BORG-WARNER INDUSTRIAL PRODUCTS, INC., 200 OCEANGA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BORG-WARNER CORPORATION;REEL/FRAME:004745/0469 Effective date: 19870514 |
|
AS | Assignment |
Owner name: BW/IP INTERNATIONAL, INC., ("BW/IP"),A CORP. OF DE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BORG-WARNER CORPORATION, A DE. CORP.;REEL/FRAME:004836/0834 Effective date: 19880215 Owner name: BW/IP INTERNATIONAL, INC., ("BW/IP"), 200 OCEANGAT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. EFFECTIVE MAY 20, 1987;ASSIGNOR:BORG-WARNER CORPORATION, A DE. CORP.;REEL/FRAME:004836/0834 Effective date: 19880215 |
|
AS | Assignment |
Owner name: CITIBANK, N.A., NEW YORK Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:BW/IP INTERNATIONAL INC. (FORMERLY KNOWN AS BORG-WARNER INDUSTRIAL PRODUCTS, INC.);REEL/FRAME:006376/0881 Effective date: 19910831 |