US757644A - Wrench. - Google Patents

Wrench. Download PDF

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Publication number
US757644A
US757644A US18529103A US1903185291A US757644A US 757644 A US757644 A US 757644A US 18529103 A US18529103 A US 18529103A US 1903185291 A US1903185291 A US 1903185291A US 757644 A US757644 A US 757644A
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United States
Prior art keywords
screw
shank
wrench
base
ratchet
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Expired - Lifetime
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US18529103A
Inventor
George S Andrus
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Individual
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Individual
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Priority to US18529103A priority Critical patent/US757644A/en
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Expired - Lifetime legal-status Critical Current

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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

  • My invention relates to improvements in monkey-wrenches and pipe-wrenches in which the lower part of the adjusting-screw which actuates the movable jaw is made with a coneshaped base movable along the shank of the wrench and engaging in a concave ratchet or rack cut in the shank.
  • the enlarged base may be placed above or below the knurled head of the screw.
  • FIG. 1 is an elevation-of the wrench with all the parts assembled.
  • FIG. 2 is a side view of the shank, showing the ratchet or rack.
  • Fig. 3 is a front view of theshank, showing the concavity of the ratchet.
  • Fig. 4 is a view through the lines 1 2 and 3 4 of Fig. 3.
  • Fig. 5 is a side view of the movablejaw.
  • Fig. 6 is a top view of the movable jaw.
  • Fig. 7 is a bottom view of the movable jaw.
  • Fig. 8 is a view of the adjusting-screw with the coneshaped base.
  • Fig. 9 is a side view of the spring which holds the adjusting-screw in contact with the shank.
  • Fig. 10 is a front view of Fig. 9.
  • the movable jaw Z slides along the shank a, the conical base of .the adjusting-screw 0 enadj usting-screw '0.
  • a wrench consisting of a jaw and shank, the shank having a concave ratchet-face; a sliding jaw thereon; an adjusting-screw with a coneshaped base having a threaded engagement with. the sliding jaw, the cone-shaped base being adapted to engage the concave shankratchet; a spring tending to press the sliding jaw toward the shank and engage the coneshaped base with the ratchet substantially as set forth.

Description

No. 757,644. PATENTED APR. 19, 1904. G. s. ANDRUS.
WRBNGH.
APPLIDATIOK FILED DBO. 16, 1903.
I0 KODBL. 2 SHEBTSBHEET 1.
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7)? E31 ass es.
UNITED STATES Patented April 19, 1904.
PATENT OFFICE.
WRENCH.
SPECIFICATION forming part of Letters Patent No. 757,644, dated April 19, 1904.
Application filed December 15, 1903. Serial No. 185,291. (No model.) I
To 0. whom it may concern:
Be it known that IjGnonec S. ANDRns, a citizen of the United States of America. residing at Globe, in the county of Gila, Territory of Arizona, have invented a new and useful Improvement in Wrenches, of which the following is a specification.
My invention relates to improvements in monkey-wrenches and pipe-wrenches in which the lower part of the adjusting-screw which actuates the movable jaw is made with a coneshaped base movable along the shank of the wrench and engaging in a concave ratchet or rack cut in the shank. The enlarged base may be placed above or below the knurled head of the screw.
The object of my improvement is to provide a method for easily and instantaneously opening and closing the jaws of the wrench. I at tain this object by the mechanism illustrated in the accompanying drawings, in which Figure 1 is an elevation-of the wrench with all the parts assembled. Fig. 2 is a side view of the shank, showing the ratchet or rack. Fig. 3 is a front view of theshank, showing the concavity of the ratchet. Fig. 4: is a view through the lines 1 2 and 3 4 of Fig. 3. Fig. 5 is a side view of the movablejaw. Fig. 6 is a top view of the movable jaw. Fig. 7 is a bottom view of the movable jaw. Fig. 8 is a view of the adjusting-screw with the coneshaped base. Fig. 9 is a side view of the spring which holds the adjusting-screw in contact with the shank. Fig. 10 is a front view of Fig. 9.
Similar letters refer to similar parts throughout the several views.
The movable jaw Z slides along the shank a, the conical base of .the adjusting-screw 0 enadj usting-screw '0.
gaging with the ratchet of the shank (4, thus forming a shifting base for the screw 0, the screw being held in the desirednotch of the ratchet by the tension of the spring d, which is fastened to the jaw b. To close the jaws, it
is only necessary to push upon the base of the A slight turn of the screw causes the jaws to grip any object firmly. To open the jaws, pull the screw 0 out of the ratchet against the tension of the spring d, when the movable jaw and screw can be moved back to any desired point.
The illustrations show only smooth face jaws; but by using jaws with toothed or serrated faces the device becomes applicable for pipe or rods.
I am aware that smooth and rough or serrated faces to the jaws of wrenches have been in use for many years. I therefore do not claim any improvement on them.
What I do claim as my invention, and desire to secure by Letters Patent, is-
A wrench consisting of a jaw and shank, the shank having a concave ratchet-face; a sliding jaw thereon; an adjusting-screw with a coneshaped base having a threaded engagement with. the sliding jaw, the cone-shaped base being adapted to engage the concave shankratchet; a spring tending to press the sliding jaw toward the shank and engage the coneshaped base with the ratchet substantially as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
GEORGE S. ANDRUS.
Witnesses: I
ALFRED C. SIRBQTH, FRED. Gr. PENDLn'roN.
US18529103A 1903-12-15 1903-12-15 Wrench. Expired - Lifetime US757644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US18529103A US757644A (en) 1903-12-15 1903-12-15 Wrench.

Applications Claiming Priority (1)

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US18529103A US757644A (en) 1903-12-15 1903-12-15 Wrench.

Publications (1)

Publication Number Publication Date
US757644A true US757644A (en) 1904-04-19

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US18529103A Expired - Lifetime US757644A (en) 1903-12-15 1903-12-15 Wrench.

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