US850900A - Wrench. - Google Patents

Wrench. Download PDF

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Publication number
US850900A
US850900A US32031906A US1906320319A US850900A US 850900 A US850900 A US 850900A US 32031906 A US32031906 A US 32031906A US 1906320319 A US1906320319 A US 1906320319A US 850900 A US850900 A US 850900A
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United States
Prior art keywords
slide
handle
bar
jaw
wrench
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Expired - Lifetime
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US32031906A
Inventor
Michael Boyton
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Individual
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Individual
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Priority to US32031906A priority Critical patent/US850900A/en
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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
    • B25B13/48Spanners; Wrenches for special purposes
    • B25B13/50Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B25B13/5025Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
    • B25B13/5041Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
    • B25B13/5058Linearly moving or adjustable, e.g. with an additional small tilting or rocking movement

Definitions

  • This invention has relation to pipewrenches.
  • Figure 1 is a side elevation of my improved pipe-wrench.
  • Fig. 2 is a longitudinal section.
  • Fig. 3 is an edge view.
  • Fig. 4 is a transverse section.
  • 10 designates the ratchetbar provided on its outer face with ratchetteeth 11, and 12 is the guide-bar, at one end of which bars is the fixed jaw 13, which is preferably case-hardened.
  • 15 is the sliding or adjustable aw removably secured in the seat formed in the forward face of the slide 16, adapted to be moved longitudinally on the ratchet and guide-bars 10 and 12.
  • a pivoted dog 17 that is adapted to engage the teeth 11 of the ratchet-bar and carries a light spring 18, that operates normally to bear the dog away from the teeth.
  • Extensions 19, forming a part of the slide project on opposite sides of the bars 1() and 12 and are provided with holes in which a pivot-pin 20 may extend to pivot the inner end of the screw-rod 21 of the handle 14 thereto.
  • the said inner end of the screw-rod is constructed to fit between the said extensions 19 and move in the space 22 between the said bars.
  • the removable jaw 15, ⁇ as wellas the dog 17, being capable of easy renewal, if need be, may be tool tempered or hardened, and this may be done with other parts of the wrench, if deemed desirable.
  • the screw-rod 21 is threaded from near its head to its opposite end.
  • a fixed collar 22a which loosely receives one end portion of the handle proper,
  • a shoulder 22 is formed upon the member 14 and bears against the outer end face of the collar, and a nut 23, engaged with the threaded extremity of the handle proper between the bars 1() and 12, bears against the inner end face of the collar.
  • a set-screw 23 is provided for holding the nut normally against movement.
  • the thread of the rod 21 is a left-hand thread
  • the handle proper, 14, which is tubular, is provided with an internal lefthand thread, so that when the handle proper is turned to the left the rod 21 will be turned into it, and Awhen it is turned to the right it will be forced from it.
  • the slide carries the movable jaw to lie at an angle to the ixed jaw, sothat the pipe may become irmly wedged between the jaws as the lower end of the wrench is swung to rotate the pipe.
  • a slight rotation of the handle member 14 to the left causes the screw-rod 21 to pass part way into the member 14, so that a retrograde movement is given the slide and the movable jaw with respect to the iixed jaw, so that the pipe is instantly released.
  • the handle member 14 is then turned the same angular distance to the right, and the pipe is then further rotated by means of the Wrench.
  • a pipe-Wrench comprising a rack-bar having a iixed jaw, a slide movable longitudinally of the rack-bar toward and away from the fixed jaw and having a jaw for coperation with the fixed jaw, said slide having a dog arranged to engage the rack-bar at times, a handle member rotatably connected with the raclr-bar, a screw engaged with the handle member and pivotally connected with the slide, said slide being movable upon its pivot into and out of engagement with the rackbarand the screw being movable into and4 out of the handle member when the latter is rotated.

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

Description

Nmssmsoo. PATBNTD n.zaQlQov.
- NLBOY'TON.
WRENCH. A'PPLIOATION FILED JUNI: s, 1906.
2 sums-SHEET 1.
Nb. 850.900. PATENTBD APR. 23, 1907. M. BOYTON. WRENCH.
AP-PLIOATIGN FILED JUNE 5, 1906. l
2 SHEETS-SHEET 2. 4
s co.. 'wAsHlNaToM D. c.
MICHAEL BOYTON, OF HOBOKEN, NEW JERSEY.
WRENCH.
Speccation of Letters Patent.
Patented April 23, 1907.
Application led June 5,1906 Serial N0. 320.319.
To all whom it may concern.-
Be it known that I, MICHAEL BoYToN, a citizen of the United States, residing at Hoboken, in the county of Hudson, State of New Jersey, have invented certain new and useful Improvements in Wrenches; and I do hereby declare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention has relation to pipewrenches.
It 1s well understood that in pipe-wrenches it is necessary to secure such a firm hold upon the pipe operated upon that it can be turned or screwed up and at the same time the action must be such as to rotate the pipe and not to crush it between the jaws. Again, the wrench must be so constructed that a reverse movement of the handle will cause the jaws to let go the pipe and not to hold on to it.
It is the obj ect of the present invention to provide improvements in a pipe wrench whereby the jaws may be set on the pipe so as not to slip thereon' in the work of turning it up and to let go the instant the handle of the wrench is moved in the opposite direction.
To the foregoing ends my invention consists of the improvements which I will now proceed to describe in detail in connection with the annexed drawings, forming a part of this speciiication, and then point out with particularity in the subjoined claims.
Of the said drawings, Figure 1 is a side elevation of my improved pipe-wrench. Fig. 2 is a longitudinal section. Fig. 3 is an edge view. Fig. 4 is a transverse section.
Similar figures of reference designate similar parts or features, as the case may be, wherever they occur.
In the drawings, 10 designates the ratchetbar provided on its outer face with ratchetteeth 11, and 12 is the guide-bar, at one end of which bars is the fixed jaw 13, which is preferably case-hardened. To a certain extent the two bars mentioned perform the functions of a handle in connection with the handle proper, 14, and in addition to special functions mentioned in connection therewith in the following description. 15 is the sliding or adjustable aw removably secured in the seat formed in the forward face of the slide 16, adapted to be moved longitudinally on the ratchet and guide- bars 10 and 12. A
portion of the said slide is made hollow and L is provided inside with a pivoted dog 17, that is adapted to engage the teeth 11 of the ratchet-bar and carries a light spring 18, that operates normally to bear the dog away from the teeth. Extensions 19, forming a part of the slide, project on opposite sides of the bars 1() and 12 and are provided with holes in which a pivot-pin 20 may extend to pivot the inner end of the screw-rod 21 of the handle 14 thereto. The said inner end of the screw-rod is constructed to fit between the said extensions 19 and move in the space 22 between the said bars. The removable jaw 15, `as wellas the dog 17, being capable of easy renewal, if need be, may be tool tempered or hardened, and this may be done with other parts of the wrench, if deemed desirable. j
The screw-rod 21 is threaded from near its head to its opposite end.
At the ends of the members or bars 10 and '12 opposite to the fixed jaw is a fixed collar 22a, which loosely receives one end portion of the handle proper,|14. A shoulder 22 is formed upon the member 14 and bears against the outer end face of the collar, and a nut 23, engaged with the threaded extremity of the handle proper between the bars 1() and 12, bears against the inner end face of the collar. A set-screw 23 is provided for holding the nut normally against movement.
The thread of the rod 21 is a left-hand thread, and the handle proper, 14, which is tubular, is provided with an internal lefthand thread, so that when the handle proper is turned to the left the rod 21 will be turned into it, and Awhen it is turned to the right it will be forced from it.
With the above-described construction it will be understoodthat when the wrench is to be engaged with the pipe the handle proper is first rotated to the right with respect to the bars 10 and 12, the handle proper will turn in the collar 22, during which time the screw-rod 21 will be forced from the handle, this movement serving to carry the slide, with its movable jaw, in the direction of the xed jaw until the proper spaced relation of the jaws is obtained. The jaws are then forced over the pipe, when the pressure of the pipe against the lower jaw rocks it on the pivot 20, connecting the slide with the rod 21, so as to carry the dog 17 into engagement with the corresponding tooth of the ratchet-bar 10. This movement of IOO IIO
the slide carries the movable jaw to lie at an angle to the ixed jaw, sothat the pipe may become irmly wedged between the jaws as the lower end of the wrench is swung to rotate the pipe. When the wrench is to be released from the pipe, as preparatory to talring a new hold, a slight rotation of the handle member 14 to the left causes the screw-rod 21 to pass part way into the member 14, so that a retrograde movement is given the slide and the movable jaw with respect to the iixed jaw, so that the pipe is instantly released.
To take a new hold, the handle member 14 is then turned the same angular distance to the right, and the pipe is then further rotated by means of the Wrench.
What is claimed as the invention is- 1. The combination of the handle-bars consisting of the rack-bar and the guide-bar and a ixed jaw carried thereby, of the slide, its jaw and dog, the latter being adapted to engage the teeth of the rack-bar, the handle and its feed-screw, projections on'fthe sides of the slide, and a pivot connecting the said projections with the handle between said bars.
2. The combination with the slide-bar and the rack-bar, of the fixed jaw carried by said bars, a slide and its bar movable on said bars, a dog on the slide adapted to engage the teeth of the said rack-bar, the handle, and the screw feed-rod extended therethrough and pivotally connected with the said slide.
3. The combination-with the slide-bar and the rack-bar, of the ixed jaw carried by said liars, a slide and its bar movable on said bars, a dog on the slide adapted to engage the teeth of the said rack-bar, the handle, and the screw feed-rodv extended therethrough and pivotally connected with the said slide, an enlargement on the said bars, anut on said screw feed-rod above said handle and the handle below it, and a set-screw adapted to ix said nut to said rod.
4. The combination with a xed jaw and its bar, an adjustable jaw and a slide upon which it is pivotally mounted, a rack-bar for the adjustable jaw, a dog on the slide to engage the raok-teeth of the rack-bar, a handle, a screw feed-rod controlled thereby and connected With the bar of the 'Hxed jaw whereby the latter may be moved or adjusted with respect to the adjustable jaw.
5. A pipe-Wrench comprising a rack-bar having a iixed jaw, a slide movable longitudinally of the rack-bar toward and away from the fixed jaw and having a jaw for coperation with the fixed jaw, said slide having a dog arranged to engage the rack-bar at times, a handle member rotatably connected with the raclr-bar, a screw engaged with the handle member and pivotally connected with the slide, said slide being movable upon its pivot into and out of engagement with the rackbarand the screw being movable into and4 out of the handle member when the latter is rotated.
In testimony whereof I affix my signature in presence of two witnesses. 1
MICHAEL BOYTON. i'
mark Witnesses:
ADOLPH C. CARSTEN, JOSEPH L. I-IoPPE.
US32031906A 1906-06-05 1906-06-05 Wrench. Expired - Lifetime US850900A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624222A (en) * 1950-05-05 1953-01-06 R M Starbuck & Sons Inc Adjustable jaw internal wrench with threaded handle
US2800044A (en) * 1955-05-26 1957-07-23 Neff Ted Adjustable ratchet-action wrench
US10984846B2 (en) 2019-07-10 2021-04-20 Nxp Usa, Inc. Reference generation for voltage sensing in a resistive memory

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624222A (en) * 1950-05-05 1953-01-06 R M Starbuck & Sons Inc Adjustable jaw internal wrench with threaded handle
US2800044A (en) * 1955-05-26 1957-07-23 Neff Ted Adjustable ratchet-action wrench
US10984846B2 (en) 2019-07-10 2021-04-20 Nxp Usa, Inc. Reference generation for voltage sensing in a resistive memory

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