US669483A - Pipe-wrench. - Google Patents

Description

arent Oriana.

CHARLES MYRON INGERSOLL, OF SUMMITI-HLL, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO THOMAS BARR, OF SAME PLACE.

PlPEWRENCH.

SPECFICTON forming part of Letters Patent No. 669,483, dated March 5, 1901.

Application filed August 14, 1900. Serial No. 26,875. (No model.)

To /LZZ whom, it nto/,y concern:

Beit known that I, CHARLES MYRoN IN- GERsOLL, a citizen of the United States, and a resident of Summithill, in the county of Carbon and State of Pennsylvania, have invented a new and Improved Pipe-Wrench, oi" which the following is a full, clear, and exact description.

The purpose of this invention is to provide ro a pipe-wrench which will engage a pipe at Figure lis a longitudinal section of the in# vention, showing it in use. Fig. 2 is a crosssection on the line 2 2 of Fig. 1. Fig. 3 is a front view of the body of the wrench with the two jaws removed. Fig. Liis a detail perspec- 3o tive view of the stationary jaw, and Fig. 5 is a detail perspective view of the spring which actuates the movable jaw. The wrench has an elongated hollow body portion a and ay handle a', such parts being preferably formed integral. The body portion a is formed with a transversely-disposed circular passage a2, extending through its side walls, and in this passage the movable jaw-carrier b is mounted to roll. This jaw- 4o carrier is circular in exterior form, so as to match with the walls of the passage a2. The shank c of the movable jaw c is iitted longitudinally in the cavity of the body a and is extended loosely through the carrier b. A

nut d is mounted to turn in the carrier and encircles the shank c', the shank being formed with screw-threads working with those on the nut. It will thus be seen that the movable jaw c is held in the body, so that it may be 5o adjusted longitudinally thereof and so, also,

that it may rock around the axis of the cir cular carrier Z9.

The stationaryjaw c is mounted at the lower front portion of the body of the wrench, opposite the jaw c, and is formed with a rearwardly-extended lug e, engaged by a transverse pin @2, whereby the jaw e is rigidly yet removably held in place, The front end of the body d of the wrench is formed with a re-V cess OLB to receive the jaw e, as best shownin 6o Fig. 3. The lower front extremity of the body a has a T-shaped slot a4 therein, which is provided with tapering side walls and which receives the tapering or dovetail end f of the spring f. This spring is situated within the cavity in the body a just below the carrier b and has its upper end f2 arranged to form a pin which is engaged in the recess in the carrier b. The jaw e being held in place by the pin e2 presses against the end 7o of the spring f and wedges the same firmly in position, fastening said end of the spring to the body of the wrench. The free end f2 of the spring being connected with the carrier b serves to actuate the saine, and this spring is so set that it will tend to throw upward the inner end of the shank c' of the jaw c, holding the shank and jaw when not operating in the position opposite that shown in Fig. l. 8o

When the wrench is engaged with a pipe, the jaws will be moved to the position shown in Fig. l, and then by turning the wrench in the usual manner the oppositely-ratcheted faces of the jaws aand e will engage the pipe at diametrically opposite points and turn it. l/Vhen the working strain on the Wrench is relaxed and movement of the wrench reversed to recover the grip of the jaws on the pipe, the shank c' of the jaw o is moved by the 9o force of the spring f and the inner end of the shank is thrown upward, throwing inward the lower end of the jaw c, and thus yieldingly pressing said jaw on the pipe. This enables the jaws to be moved idly over the pipe to recover their grip, and then when the wrench is moved again to turn the pipe the jaws rmly engage with the same, as described.

Having thus described my invention, I roo,

claim as new and desire to secure by Letters Patent- 1. A pipe-wrench, having a hollow body, a carrier mounted thereon, a movable jaw with a threaded shank passed through the carrier, a nut encircling the shank and fitted in the carrier, a stationary jaw removably fastened to the body of the wrench, and a spring earried by the body of the wrench and engaged by the stationary jaw, to be held in place thereby, the spring having its free end in connection with the rolling carrier, to actuate the same and also to actuate the movable Jaw.

2. A pipe-Wrench having a body, a rolling carrier mounted therein, a movable jaw with a threaded shank passed through the carrier, a nut encircling the shank and fitted in the carrier, a stationary jaw removably fastened to the body of the Wrench, and a spring carried between the body of the wrench and the stationary jaw and engaged with the rolling carrier, to actuate the same.

3. A pipe-wrench, having a body, a movable jaw, a rolling carrier in which the movable jaw is adj ustably held, a stationary jaw fastened on the body, and a spring held between the body and the stationary jaw and engaging the carrier to actuate the same.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

CHARLES MYRON INGERSOLL.

Witnesses:

ELIAS KUNTZ, J osEPH AINER.

Images