US637921A - Wrench. - Google Patents

Wrench. Download PDF

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Publication number
US637921A
US637921A US71096799A US1899710967A US637921A US 637921 A US637921 A US 637921A US 71096799 A US71096799 A US 71096799A US 1899710967 A US1899710967 A US 1899710967A US 637921 A US637921 A US 637921A
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US
United States
Prior art keywords
wrench
shank
jaws
handle
head
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
Application number
US71096799A
Inventor
Matthew O Carter
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Individual
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Individual
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Publication date
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Priority to US71096799A priority Critical patent/US637921A/en
Application granted granted Critical
Publication of US637921A publication Critical patent/US637921A/en
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Expired - Lifetime legal-status Critical Current

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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
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable

Definitions

  • the invention has relation to wrenches; and the object of the invention is to provide a simple, durable, and inexpensivawrench which may be quickly adjusted to suit pipes or nuts of different sizes.
  • Figure 1 is a perspective view of the wrench, showing the jaws closed.
  • Fig. 2 is a similar view showing the jaws open, and
  • Fig. 3 is a longitudinal sectional View.
  • 1 denotes the wrenchshank, 2 the stationary jaw, and 3 the sliding aw.
  • 1O denotes a pivot which is passed eccentrically through the head and through the inner end of the shank 1.
  • the combination with the stationary jaw provided with a shank and a movable jaw mounted on said shank and provided with a lug having an inwardly-projecting pin, and a handle having a circular head eccentrically pivoted to said shank and provided with a groove into which the pin projects, substantially as and for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

N0. 637,92l. Patented Nov. 28, I899.
M. 0. CARTER.
' WRENCH.
pli n filed Mar. 29, 1899.)
(No Model.)
UNITED. STATES PATENT OFFICE.
MATTHEW O. CARTER, OF BATSON, SOUTH CAROLINA.
WRENCH.
SPECIFICATION formingpart of Letters Patent No. 637,921, dated November 28, 1899.
Application filed March 29, 1899.
To all whom it may concern:
Be it known that I, MATTHEW O. CARTER, a citizen of the United States, residing at Batson, in the county of Greenville and State of South Carolina, have invented certain new and useful Improvements in Wrenches; and I do 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.
The invention has relation to wrenches; and the object of the invention is to provide a simple, durable, and inexpensivawrench which may be quickly adjusted to suit pipes or nuts of different sizes.
With this object in View the invention consists in certain features of construction and combination of parts, which will be hereinafter fully described and claimed.
In the drawings, Figure 1 is a perspective view of the wrench, showing the jaws closed. Fig. 2 is a similar view showing the jaws open, and Fig. 3 is a longitudinal sectional View.
In the drawings, 1 denotes the wrenchshank, 2 the stationary jaw, and 3 the sliding aw.
4 denotes a handle provided with a circular bifurcated head 5, one member 6 of which is provided with a groove 7 and a slot 8, leading into said groove.
9 denotes a lug extending rearwardly of the sliding jaw 3 and provided with a downwardly-projecting pin 10 to engage the circular groove 7.
1O denotes a pivot which is passed eccentrically through the head and through the inner end of the shank 1.
Serial No. 710,967. (No model.)
In operating the device it will be seen that when the handle is at right angles to the shank and turned downward the jaws are at their greatest limit of separation and when the handle is turned upward and is at right angles to the shank the jaws are brought together. This is due entirely to the eccentric pivoting of the shank to the circular head. The handle is moved in an upward direction to clamp the jaws about a pipe or nut or other object to be acted upon, while a downward movement will separate the jaws. This is due to the pin of the lug 9 engaging the circular groove of the head.
It will of course be understood that various changes in the form, proportion, and the minor details of construction may be made without departing from the principle or sacrificing any of the advantages of this invention.
Having thus described the invention, what is claimed, and desired to be secured by Letters Patent, is
In a wrench, the combination with the stationary jaw provided with a shank and a movable jaw mounted on said shank and provided with a lug having an inwardly-projecting pin, and a handle having a circular head eccentrically pivoted to said shank and provided with a groove into which the pin projects, substantially as and for the purpose set forth.
In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.
MATTHEW O. CARTER.
US71096799A 1899-03-29 1899-03-29 Wrench. Expired - Lifetime US637921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US71096799A US637921A (en) 1899-03-29 1899-03-29 Wrench.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71096799A US637921A (en) 1899-03-29 1899-03-29 Wrench.

Publications (1)

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US637921A true US637921A (en) 1899-11-28

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Family Applications (1)

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US71096799A Expired - Lifetime US637921A (en) 1899-03-29 1899-03-29 Wrench.

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US (1) US637921A (en)

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