US2687662A - Adjusting-screw lock for slidable jaw wrenches - Google Patents

Adjusting-screw lock for slidable jaw wrenches Download PDF

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Publication number
US2687662A
US2687662A US262545A US26254551A US2687662A US 2687662 A US2687662 A US 2687662A US 262545 A US262545 A US 262545A US 26254551 A US26254551 A US 26254551A US 2687662 A US2687662 A US 2687662A
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United States
Prior art keywords
adjusting
screw lock
worm
slidable jaw
shoulder
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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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US262545A
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Stanford W Pugh
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Individual
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Priority to US262545A priority Critical patent/US2687662A/en
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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
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/14—Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear

Definitions

  • This invention relates to adjustable wrenches and has for its principal object providing a Figure 2 is a fragmentary top plan view of.
  • Figure 3 is a fragmentary side elevation of the head of the wrench with portions broken away
  • Figure 4 is a side elevation of the locking, pin.
  • Figure 5 is a cross-sectional view of a modified worm gear showing the locking device inoperative position.
  • is not cut at a of the locking pin l8. Instead, the shoulder is cut at an angle differing from the right angle 2 position by about 10, although the angle may vary substantially.
  • the head of the wrench is provided with a cylindrical bore 22 in which the body of the looking pin I8 rotates.
  • the head H is also provided with an inwardly threaded bore 23 in which the inner end of the locking pin l8 may be threaded.
  • the locking pin disposed in bores 22, 23, and 24, is withdrawn along its threads 20 so that the shoulder 2
  • FIG. 3 Suflicrent pressure is, applied to the and worm l7. In order to release the worm, it is merely necessary to reverse the rotation of the locking pin, removing the shoulder 2
  • Figure 5 is shown another form of my locking device in which the locking pin 25 is provided with a taper 26.
  • the worm 21 is provided with and worm axis and forced against each other when the pin is rotated in one direction to frictionally lock the worm against rotation.
  • one of said engageable surfaces comprises a tapered shoulder on said locking pin surrounding its axis and arranged-to-bear against the other surface.

Description

Aug. 31, 1954 s. w. PUGH ADJUSTING-SCREW LOOK FOR SLIDABLE JAW WRENCHE S Riled Dec. 20, 1951 Patented Aug. 31, 1954 ADJUSTING-SCREW LOOK FOR SLIDABLE JAW WRENCHES Stanford W. Pugh, Independence, Kans. Application December 20, 1951, Serial No. 262,545 3 Claims. 81- 165) This invention relates to adjustable wrenches and has for its principal object providing a Figure 2 is a fragmentary top plan view of.
the wrench head shown in Figure 1.
Figure 3 is a fragmentary side elevation of the head of the wrench with portions broken away Figure 4 is a side elevation of the locking, pin.
Figure 5 is a cross-sectional view of a modified worm gear showing the locking device inoperative position.
cut into the body of the locking pin midway between its ends. The shoulder 2| is not cut at a of the locking pin l8. Instead, the shoulder is cut at an angle differing from the right angle 2 position by about 10, although the angle may vary substantially.
The head of the wrench is provided with a cylindrical bore 22 in which the body of the looking pin I8 rotates. The head H is also provided with an inwardly threaded bore 23 in which the inner end of the locking pin l8 may be threaded.
In operation, the locking pin, disposed in bores 22, 23, and 24, is withdrawn along its threads 20 so that the shoulder 2| does not contact the end of worm ll. shaft of the locking pin between shoulder 2| and threads 20, moving the rack I4 and its integral jaw l3 to the desired position.
The locking pin is then rotated so that shoulder 2| is pressed tightly against worm H, as
in Figure 3. Suflicrent pressure is, applied to the and worm l7. In order to release the worm, it is merely necessary to reverse the rotation of the locking pin, removing the shoulder 2| from its bearing against the worm. In Figure 5 is shown another form of my locking device in which the locking pin 25 is provided with a taper 26. The worm 21 is provided with and worm axis and forced against each other when the pin is rotated in one direction to frictionally lock the worm against rotation.
2. An adjustable wrench according to claim 1 wherein one of said engageable surfaces forms a shoulder bearing carried by and inclined to the longitudinal axis of the pin and the other of said surfaces forms a shoulder bearing on an end of the worm.
3. Andjustable wrench according to claim 1 wherein one of said engageable surfaces comprises a tapered shoulder on said locking pin surrounding its axis and arranged-to-bear against the other surface.
References Cited in the file of this patent UNITED STATES PATENTS Number
US262545A 1951-12-20 1951-12-20 Adjusting-screw lock for slidable jaw wrenches Expired - Lifetime US2687662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US262545A US2687662A (en) 1951-12-20 1951-12-20 Adjusting-screw lock for slidable jaw wrenches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US262545A US2687662A (en) 1951-12-20 1951-12-20 Adjusting-screw lock for slidable jaw wrenches

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US2687662A true US2687662A (en) 1954-08-31

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729999A (en) * 1954-11-15 1956-01-10 Utica Drop Forge & Tool Corp Adjusting and locking means for slidable jaw wrench
US3024683A (en) * 1960-08-08 1962-03-13 Kenneth F Finn Worm-pressing clamping means for slidable side jaw wrench
US3045747A (en) * 1960-05-16 1962-07-24 Franklin B Hill Suspension and moving device for drapes and doors
US3174366A (en) * 1961-06-07 1965-03-23 Fujii Katsumi Sliding side jaw wrench having a secure bearing pin
US4729269A (en) * 1985-11-04 1988-03-08 Killian Richard H Powered pipe wrench
US5301576A (en) * 1993-03-02 1994-04-12 Nye William J Locking and clamping adjustable wrench
EP1216795A1 (en) * 2000-12-08 2002-06-26 Mei-Jung Wang Locking device and guide member for a movable jaw of an adjustable wrench
US7117768B1 (en) * 2005-03-04 2006-10-10 Stoeppelwerth Paul B Adjustable wrench
TWI458598B (en) * 2012-09-03 2014-11-01

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1498656A (en) * 1922-12-11 1924-06-24 Herby Frederick Charles Wrench
US1729640A (en) * 1925-08-11 1929-10-01 Barcalo Mfg Co Wrench
US1954914A (en) * 1933-05-23 1934-04-17 Paul P Bouche Wrench
US2378854A (en) * 1943-10-28 1945-06-19 Robert H Kershaw Lock for wrenghes
US2427608A (en) * 1944-10-18 1947-09-16 Robert H Kershaw Lock for wrenches
US2569581A (en) * 1949-11-21 1951-10-02 Ryland Junior Steven Jaw adjusting means for slidable side jaw wrenches

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1498656A (en) * 1922-12-11 1924-06-24 Herby Frederick Charles Wrench
US1729640A (en) * 1925-08-11 1929-10-01 Barcalo Mfg Co Wrench
US1954914A (en) * 1933-05-23 1934-04-17 Paul P Bouche Wrench
US2378854A (en) * 1943-10-28 1945-06-19 Robert H Kershaw Lock for wrenghes
US2427608A (en) * 1944-10-18 1947-09-16 Robert H Kershaw Lock for wrenches
US2569581A (en) * 1949-11-21 1951-10-02 Ryland Junior Steven Jaw adjusting means for slidable side jaw wrenches

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729999A (en) * 1954-11-15 1956-01-10 Utica Drop Forge & Tool Corp Adjusting and locking means for slidable jaw wrench
US3045747A (en) * 1960-05-16 1962-07-24 Franklin B Hill Suspension and moving device for drapes and doors
US3024683A (en) * 1960-08-08 1962-03-13 Kenneth F Finn Worm-pressing clamping means for slidable side jaw wrench
US3174366A (en) * 1961-06-07 1965-03-23 Fujii Katsumi Sliding side jaw wrench having a secure bearing pin
US4729269A (en) * 1985-11-04 1988-03-08 Killian Richard H Powered pipe wrench
US5301576A (en) * 1993-03-02 1994-04-12 Nye William J Locking and clamping adjustable wrench
EP1216795A1 (en) * 2000-12-08 2002-06-26 Mei-Jung Wang Locking device and guide member for a movable jaw of an adjustable wrench
US7117768B1 (en) * 2005-03-04 2006-10-10 Stoeppelwerth Paul B Adjustable wrench
TWI458598B (en) * 2012-09-03 2014-11-01

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