US588049A - Wrench - Google Patents

Wrench Download PDF

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Publication number
US588049A
US588049A US588049DA US588049A US 588049 A US588049 A US 588049A US 588049D A US588049D A US 588049DA US 588049 A US588049 A US 588049A
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Prior art keywords
clutch member
jaw
stem
wrench
seat
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/10Spanners; Wrenches with adjustable jaws
    • B25B13/12Spanners; Wrenches with adjustable jaws the jaws being slidable

Definitions

  • This invention relates to a novel construction in a monkey-wrench; and it consists in the features of construction hereinafter described and claimed.
  • Figure l is a perspective view of a wrench constructed in accordance with this invention.
  • Fig. 2 is a vertical longitudinal section of the same.
  • Fig. 3 is a cross-section taken on the line 3 3 of Fig. 2.
  • 1 indicates the stem of the wrench, carrying a stationary jaw 2.
  • the stem 1 is preferably rectangular in cross-section, and the movable jaw 3 slides thereon, said jaw having two guides or loops 4, through which the stem 1 passes.
  • the movable jaw 3 between the guides 4- is provided with a recess or seat 5 for the clutch member 6.
  • the clutch member 6 is provided with a rear extension 7, that enters the recess or seat 5, while at its outer end said clutch member has two lateral ears 8, that lie flat against the side of the jaw next to the seat 5.
  • the seat is a little wider than the clutch member 6 to allow a little play room, and the spring 9 is placed between the clutch member and one of the walls of the seat, so as to throw the clutch member outwardly, while by grasping the ears 8 the clutch member can be moved inwardly against the force of the spring.
  • the said movable v jaw can be moved away from the stationary jaw.
  • the spring throws the clutch member into engagement with the stem and serves to hold the movable jaw against movement away from the stationary jaw, while it is obvious that the movable jaw can always be moved toward the stationary jaw by simply pressing the same in this direction, the clutch giving away and sliding in an obvious manner.
  • the movable jaw can be readily adjusted to conform to the width of any nut to be turned by simply pressing it toward the stationary jaw or by retracting the clutch member in the manner set forth.
  • a wrench consisting of a stem havinga stationary jaw, a movable jaw mounted upon said stationary jaw and provided with a seat or recess, a clutch member situated between said stem and movable jaw and having an extension situated within said seat or recess, and a spring between said clutch member and movable jaw for pressing the former toward the stem.
  • a wrench consisting of a stem having a stationary jaw, a movable j aw upon said stem and provided with a seat or recess, a clutch member between said stem and movable jaw and having a rear extension situated within said seat or recess, lateral ears upon said clutch member, and a spring situate between said clutch member and said movable jaw.

Description

(No Model.)
0. H. AVERY. WRENCH.
No. 588,049. Patented Aug. 10,1897.
y. TOR
UNITED STATES PATENT O EIcE.
CHARLES H. AVERY, OF BIN GHAMTON, NEW YORK.
WRENCH.
SPECIFICATION forming part of Letters Patent No. 588,049, dated August 10, 1897.
Application filed August 31, 1896. Serial No. 604,423. (No model.)
To all whmn it new concern.-
Be it known that 1, CHARLES H. AVERY, a citizen of the United States, residing at Binghamton, in the county of Broome and State of New York, have invented certain new and useful Improvements in \Vrenches; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to a novel construction in a monkey-wrench; and it consists in the features of construction hereinafter described and claimed.
In the accompanying drawings, forming a part of this specification, Figure l is a perspective view of a wrench constructed in accordance with this invention. Fig. 2 is a vertical longitudinal section of the same. Fig. 3 is a cross-section taken on the line 3 3 of Fig. 2.
Referring to said drawings, 1 indicates the stem of the wrench, carrying a stationary jaw 2. The stem 1 is preferably rectangular in cross-section, and the movable jaw 3 slides thereon, said jaw having two guides or loops 4, through which the stem 1 passes. The movable jaw 3 between the guides 4- is provided with a recess or seat 5 for the clutch member 6. The clutch member 6 is provided with a rear extension 7, that enters the recess or seat 5, while at its outer end said clutch member has two lateral ears 8, that lie flat against the side of the jaw next to the seat 5. The seat is a little wider than the clutch member 6 to allow a little play room, and the spring 9 is placed between the clutch member and one of the walls of the seat, so as to throw the clutch member outwardly, while by grasping the ears 8 the clutch member can be moved inwardly against the force of the spring.
It will be seen from the foregoing construction that when the clutch members are in the position shown in the drawings pressure on the movable jaw to move it away from the stationary jaw will cause the clutch member 6 to bite the stem and prevent such movement,
while by grasping the ears 8 of the clutch member and moving it (the member) slightly out of contact with the stem the said movable v jaw can be moved away from the stationary jaw. When the ears are released, the spring throws the clutch member into engagement with the stem and serves to hold the movable jaw against movement away from the stationary jaw, while it is obvious that the movable jaw can always be moved toward the stationary jaw by simply pressing the same in this direction, the clutch giving away and sliding in an obvious manner.
From the foregoing it is seen that the movable jaw can be readily adjusted to conform to the width of any nut to be turned by simply pressing it toward the stationary jaw or by retracting the clutch member in the manner set forth.
Having thus described my invention, what I claim as new, and desire to secure byLetters Patent, is
1. A wrench consisting of a stem havinga stationary jaw, a movable jaw mounted upon said stationary jaw and provided with a seat or recess, a clutch member situated between said stem and movable jaw and having an extension situated within said seat or recess, and a spring between said clutch member and movable jaw for pressing the former toward the stem.
2. A wrench consisting of a stem having a stationary jaw, a movable j aw upon said stem and provided with a seat or recess, a clutch member between said stem and movable jaw and having a rear extension situated within said seat or recess, lateral ears upon said clutch member, and a spring situate between said clutch member and said movable jaw.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
CHARLES H. AVERY.
\Vitnesses:
G. R. PRAY, CHARLES H. Non.
US588049D Wrench Expired - Lifetime US588049A (en)

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