US700008A - Pipe-tongs. - Google Patents

Description

'Nb. 700,008. Patented May 13, I902. C. F. BAUER.

(No Model.)

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UNITED STAT-ES i PATENT OFFICE.

. CHARLES F. BAUER, OF MOOONNELSVILLE, OHIO, AS SIGNOR OF ONE-HALF TO GEORGE H. BAIN, OF MCOONNELSVILLE, OHIO.

PlPE-TONGS.

SPECIFICATION forming part of Letters I'atent No. 700,008, dated May 1902- I Application filed April 20, 1901. SerialNo. 56,711. (No model.)

To all whom it may concern: and given proper angular relation to the jaw Be it known that LIOHARLES F. BAUER, a m for service as a cutter in connection with citizen of the United States, and a resident of the cutter-bearing h of the main bar a. H McOonnelsville, in the county of Morgan and When the jaws are closed, by pressing the State of Ohio, have made a certain new and handle-bars toward each other the cutter is useful Invention in Pipe-Tongs; and I declare closed alongside the bearing. By working the the following to be a full, clear, and exact deshort lever-handle f the cutter is operated, scription of the same, suchas will enable the location of the cutter-bearing remaining others skilled in the art to which it appertains fixed and steady on the main bar. The grip- 'xo to make and use the invention, reference bejaws b and m are suitably serrated on their ing had to the accompanying drawings, and to concave inner surfaces to adapt them for gripletters of reference marked thereon,'which ping pipe and articles of like nature. These form a part of this specification. jaws may also be providedwith serrated Figure 1 is a side elevation of my tongs, grooves extending inward from theirends to 15 partly in section, and showing the jaws open. serve'as a grip for turning nipples and arti- Fig. 2 is a side elevation of the same from the eles of similar presentation. I opposite side, showing the jaws closed. Fi In connecting the tang of the short jaw-le- 3 is an edge elevation of my tongs. Fig. 4 is ver to its handle-lever it is designed to pro- -a similar view from the opposite side. Fig. vide thisshort'handle with a powerful lever 2o 5 is a top plan view of the tongs. age, and to that end the back of the lug e of e The invention relates to gripping devices this short lever f is provided with the pivotsuch as are made for pipe-tongs and nippers; bearing p for. the pin q, connecting the links and it consists in the novel construction and '21. near to" and a little in advance of the pivot combinations of parts, as hereinafter set g. The links 07. extend through the slot (1 and 25 forth. are connected to the tang of thej aw-lever by In the accompanying drawings, illustrating the pin 5. The linksare well' protected bethe invention, the letteradesignates the main tween the slot-walls and the sides'of the lever or fixed jaw-bar, having its jaw'b on the same tang and lug e and maybemade of compara side as its handle or portion 0. This jaw-bar tively thin metal, as tensile strength only is 3b is slotted at d to receive the pivotal fulerumrequired. I

lug e of the short handle bar orlever f, which This instrument is designed to facilitate is connected to the bar aby the pivot-pin gin work upon pipes in corners and near walls said slot. At the slotted portionthe back of where it would be difficult to operate with the bar a is usually provided with a cuttertongs of the usual cross-lever style. Owing 35 bearing h, which serves to strengthen the bar to the angular movement in operating these v in this part. This cutter-bearing extends to tongs being altogether on the side opposite the the slot d, its inner face being flush with the main jaw-bar, which remains steady and true, wall of said slot. there is no tendency of its jaw 17 to push The letter It indicates a short jaw-lever against the wall or other obstruction and no 40 which is pivoted to the bar a by the pivot-pin action of its handle portion a to press against Z in said slot at a point nearer the jaws than such wall or obstruction, such pressurebeing the pivot-pin g, whichiconnects the handle liable not only to throw the jaw out of action, bar f to the main j aw-lever. The'jaw-lever is but also to prevent the proper working grasp is provided with a curved jaw m,'which is of the instrument.

45 formed with a pivotal part .or tang 25, which The main jaw-bar is curved or bent inward extends through the slot cl of the main jawin a somewhat angular manner from its jaw bar, such slot being made long enough to acend and from its handle portiom to its slotted commodate both said tang and the lug e. The part in order to give the handle action proper tang is connected to the lug eby means of latbalance and to provide a proper presentation 50 oral-position links M and is usually extended for the jaws.

Having described this invention, What I jaw and its handle-lever, substantially as 16 claim, and desire to secure by Letters Patent, specified. is In testimony whereof I aflix my signature The wrench herein described, consisting of in presence of two witnesses.

the integral jaw and handle-bar havinga sin- CHARLES F BAUER gle slot, the cooperating short j aw and its handle-lever separately formed and pivoted in Witnesses:

said slot, and the thin link-plates extending GEO. H. BAIN, through the said slot and conneotin g the short P. H. TANNEHILL.

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