US184993A - Improvement in wrenches - Google Patents

Improvement in wrenches Download PDF

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Publication number
US184993A
US184993A US184993DA US184993A US 184993 A US184993 A US 184993A US 184993D A US184993D A US 184993DA US 184993 A US184993 A US 184993A
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United States
Prior art keywords
bar
wrenches
improvement
jaw
shank
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Expired - Lifetime
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SABIC Global Technologies BV
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Assigned to SABIC INNOVATIVE PLASTICE IP B.V. reassignment SABIC INNOVATIVE PLASTICE IP B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GENERAL ELECTRIC COMPANY
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
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; 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
    • B25B13/5025—Spanners; 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
    • B25B13/5041—Spanners; 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
    • B25B13/5058—Linearly moving or adjustable, e.g. with an additional small tilting or rocking movement

Definitions

  • DANIEL C STILLSON, OF SOMERVILLE, MASSACHUSETTS.
  • Figure l denotes a side elevation
  • Fig. 2 a central and longitudinal section of a wrench, constructed in accordance with my invention.
  • M yinvention relates to that class of wrenches adapted to be used either as a pipe or a screw wrench.
  • the object of my invention is to provide a che-ap, simple, strong, and durable wrench of this character, one which will operate with equal effect upon a cylindrical or a rectangular, or polygonal shaped body; and my invention consists in the peculiar construction and varrangement of the parts, as hereinafter de scribed and claimed.
  • A denotes a tapering metallic bar, having a movable jaw, B, formed on 011e end thereof, such jaw being provided with a series of teeth on its inner face.
  • ' bar A (or the part thereof constituting 'the shank of the movablejaw) extends partially through a hollow bar, C, and through a rosette or nut, D, disposed in a chamber, o, in the space formed in the outer end of the bar U,
  • Such bar A having a male screw, d, cut on its inner end, as shown in the drawing, such outer end constituting a handle to the Wrench.
  • E is the stationary jaw, which is formed on the inner vend of the bar C.
  • Each of the'jaws B and E is madeto have a slight outward inclination to each other.
  • the stationary jaw I prefer to make with a dovetail serrated block, f, which isto be affixed in the face ofthe stationary jaw, as shown in the drawing.
  • a hollow chamber in which v1s inserted a coiled spring, e, the outer end ot' which bears against the shank of the movable jaw.
  • the chamber, in the bar C, to receive the shank ofthe sliding jaw, is-formed (preferably) tapering, and ot' width, in the direction ot' the jaws, smnewhatgreater than the width of the shank, and at the end ladjacent tov the shank about one-third greater,

Description

WRENCH. No.1`84,993. Patented Dec.5,1s7s.
UNITED 'TATEs .PATENT OFFICE.
DANIEL C. STILLSON, OF SOMERVILLE, MASSACHUSETTS.
IMPROVEMENT IN WRENCHES.
Specification forming part of Letters Patent No. l 84,993, dated December 5,' 1876; application filed July 10, 1876.
To all whom it may concern Be it known that 1, DANIEL C. S'rlLLsoN, of Somerville, in the county of Middlesex and State of h/Iassachusetts,-have invented new and useful Improvement in Wrenches and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable othersskilled'in the art to which it pertains to make and use the same, reference being had to the accompanyingdrawing, and to the letters of'reference marked thereon, which form a part of this specilication.
In such drawing, Figure l denotes a side elevation, and Fig. 2 a central and longitudinal section of a wrench, constructed in accordance with my invention.
M yinvention relates to that class of wrenches adapted to be used either as a pipe or a screw wrench.
The object of my invention is to provide a che-ap, simple, strong, and durable wrench of this character, one which will operate with equal effect upon a cylindrical or a rectangular, or polygonal shaped body; and my invention consists in the peculiar construction and varrangement of the parts, as hereinafter de scribed and claimed.
In the said drawing, A denotes a tapering metallic bar, having a movable jaw, B, formed on 011e end thereof, such jaw being provided with a series of teeth on its inner face. The
' bar A (or the part thereof constituting 'the shank of the movablejaw) extends partially through a hollow bar, C, and through a rosette or nut, D, disposed in a chamber, o, in the space formed in the outer end of the bar U,
such bar A having a male screw, d, cut on its inner end, as shown in the drawing, such outer end constituting a handle to the Wrench. E is the stationary jaw, which is formed on the inner vend of the bar C. Each of the'jaws B and E is madeto have a slight outward inclination to each other. The stationary jaw I prefer to make with a dovetail serrated block, f, which isto be affixed in the face ofthe stationary jaw, as shown in the drawing.
Within thev stationary jaw, and at right angles to its shank, is a hollow chamber, g, in which v1s inserted a coiled spring, e, the outer end ot' which bears against the shank of the movable jaw. The chamber, in the bar C, to receive the shank ofthe sliding jaw, is-formed (preferably) tapering, and ot' width, in the direction ot' the jaws, smnewhatgreater than the width of the shank, and at the end ladjacent tov the shank about one-third greater,
such being to allow of' the necessary backward c action of the jaws while in the act of grasping and turning a pipe or cylinder.
Having described my invention, what I claim is Y The improved screw and pipe wrench, as described, the same consisting of the bar A, provided with the movable jaw Band male lscrew d, and the hollow bar C, provided with a fixed jaw, E, having a spring-chamber, g, and spring e disposed therein, as shown, theI rosette or actuating nut D arranged within a chamber in the bar (l, andoperating with the male screw d, the whole being constructed and arranged for conjoint operation, substantially as shown and described.
In testimony that I claim the foregoing as my own invention I affix my signature in presence of two witnesses.
DANIEL C. STILLSON. Witnesses:
F. P. HALE, F. C. HALE.
US184993D Improvement in wrenches Expired - Lifetime US184993A (en)

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