US87774A - Improvement in wrenches - Google Patents

Improvement in wrenches Download PDF

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Publication number
US87774A
US87774A US87774DA US87774A US 87774 A US87774 A US 87774A US 87774D A US87774D A US 87774DA US 87774 A US87774 A US 87774A
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represented
tube
socket
wrenches
improvement
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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
    • B25B13/14Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear

Definitions

  • my-invention consists in providing the movable jaw with a tube, or socket, in which va female screw is cut its entire length, and a corresponding male thread cut ou a section only of the adjusting-tube, which is made to work within the socket of said jaw, thereby affording it protection against being clogged from gathering dust or dirt, and injury by abrasion, or being' bruised by rough usage.
  • I construct the hammer and movable jaws, A B, and handle, C, in the usual forms of screwfwrenches in common use, as represented by fig. l, but to the back of the movable jaw, at I), iig. 2, forming one and the same piece of metal, I provide a socket, or tube, E, of the length requisite for the jaws of the wrench to open to their full capacity,.having a female screw cut its entire length, as represented in fig. 2.
  • I also provide a tube, F, having interior-and. endbcarings at both its ends, on the shank and ferrule, represented at K L, Figure 3, witha' male screw cut ou a section at one end, to work in the socket, or tube, as represented at G, and, at the other end, a head, H, either milled or fluted, as represented by H, fig. 1, by means of whichl said tube is to be revolved (in adjusting the movable jaw) upon the hammer-shank, which passes through the movable jaw and it, as represented in fig. 2, by I I; and upon the end of the shank-spindle, which is provided with a shoulder at J, the handle'C,
  • the revolving socket F H having at its forward end a section of male-screw thread, gearing in a female screw in the socket-extension E, of the movable head, substantially as'showu and described, for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

'e Huid tat Menem ateut IMPROvEMENT IN WRENGHES,
The ySchedule referred to in these Letters Patent and maklng put of the um..
To all wir/omit may conce/rn:
Be it known that I, HENRY'WHEATON Hnwncr, of the city, county, and State of New York, have invented ya new and improved Mode of Constructing -a Tubular Adjusting Screw-Wrench, whereby it is rendered more valuable than other similar wrenches; and I do hereby declare that the following is 'a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon..
Similar letters of reference indicate likeparts in Figures l and 2.
The nature of my-inventionconsists in providing the movable jaw with a tube, or socket, in which va female screw is cut its entire length, and a corresponding male thread cut ou a section only of the adjusting-tube, which is made to work within the socket of said jaw, thereby affording it protection against being clogged from gathering dust or dirt, and injury by abrasion, or being' bruised by rough usage.
To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation. l
I construct the hammer and movable jaws, A B, and handle, C, in the usual forms of screwfwrenches in common use, as represented by fig. l, but to the back of the movable jaw, at I), iig. 2, forming one and the same piece of metal, I provide a socket, or tube, E, of the length requisite for the jaws of the wrench to open to their full capacity,.having a female screw cut its entire length, as represented in fig. 2.
I also provide a tube, F, having interior-and. endbcarings at both its ends, on the shank and ferrule, represented at K L, Figure 3, witha' male screw cut ou a section at one end, to work in the socket, or tube, as represented at G, and, at the other end, a head, H, either milled or fluted, as represented by H, fig. 1, by means of whichl said tube is to be revolved (in adjusting the movable jaw) upon the hammer-shank, which passes through the movable jaw and it, as represented in fig. 2, by I I; and upon the end of the shank-spindle, which is provided with a shoulder at J, the handle'C,
if 't` be. of iron, (having a bearing and shoulder,) is screwed against said shank-shoulder, thereby keeping theadjusting-tube in its place; and if the handle i's to be of wood, :ts-represented iu fig. 3, by M,its fel-rule, N, is similarly fastened, and fora-likepurpose, as represented in iig. 3, in which case the shank-,spindle O extends through the handle, and4 is provided with a screw and nut, P, to be screwed against said handle, to hold it in its place.
What I claim as my invention, and desire to secure Aby Letters Patent, is-
The revolving socket F H, having at its forward end a section of male-screw thread, gearing in a female screw in the socket-extension E, of the movable head, substantially as'showu and described, for the purpose set forth.
HENRY WHEATON HEWET. Witnesses:
HENRYD. B. Lnnrnms, PAUL R. VAN MATER.
US87774D Improvement in wrenches Expired - Lifetime US87774A (en)

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US87774A true US87774A (en) 1869-03-16

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