US542592A

US542592A - Edward i

Info

Publication number: US542592A
Authority: US
Publication date: 1895-07-09
Anticipated expiration: 1912-07-09

Description

(No Model.) K

l E. I. MOREY.

WRENCH.

Patent-ed July 9, 1895.

W/ TN E SSE S /NVENTH Anon/vim.'

Fries.

Unirse mires Sarena* EDWARD i. Moser, or DUnANeo,` coLoRADdAssieNoR or ONE-FOURTH To FREDERICK w. SMITH, orsAME PLACE.

WRENCH. f

SPECFICATION forming part oi Letters Patent No. 542,592, dated July 9, 1895.

Application filed December 20. 1894'. Serial No. 532,447. (No model.)

To @ZZ whom it may concern: ries of grooves somewhat U-shaped in cross- Be it known that I, EDWARD I. MOREY, of section, separated by series of teeth, as shown Durango, in the county of La Plata and State lin Fig. 3. A stirrup-lock C is employed in of Colorado, have invented a new and'useful connection with the slide, and the said lock Improvement inVrenches, of which the folconsists of a stirrup 16, which is pivotally 55 lowing is a full, clear, and exact description. mounted upon the connecting or tie bar l-t at My invention relates to an improvement in or near the center of the latter, and the said wrenches, and especially to an improvement stirrup is made to extend over the recessed Y in pipe-wrenches; and it has for its object to portion of the handle, being provided upon io so construct the wrench that it will be simple, its inner face at this point with a rib or tooth 6o durable, and economic, and, furthermore, to 17 transversely formed and adapted to enter provide a means whereby when the wrench is any of the recesses or channels 15, as is likein use the ratchet mechanism thereof will be wise shown in Fig. 3.'

relieved fromundue strain. The inner face of the stirrup opposite the 15 Another object of the invention is to prochannels l5 and the rib or tooth 17 is prefer- 65 vide a means whereby as the distance beably made of steel. The stirrup is provided tween the jaws of the wrench is increased the at its rear end with ahandle 18, preferably of handle will be lengthened, and thereby the a U pattern and of sufficient length to extend amount of leverage increased. beyond the lower portion of the slide, as

zo It is a further object of the invention to so 'shown in Fig. 2. A spring 19 is secured to 7o construct the sliding section of the Wrench the front of the lower strap 13 of the slide, that it will add strength to the handle where 'and this spring has constant bearing upon it is most needed. the stirrup 16, maintaining itsrib in one of The invention consists in the novel conthe channels of the handle. A knuckle 20 is struction and combination of the several formed preferably upon the back outer por- 75 parts, as will be hereinafter fully set forth, tion of the slide B, and upon this knuckle tho and pointed out in the claims. outer jaw 2l of the wrench is pivoted, the

Reference is to be had to the accompanying said jaw being curved over the jaw l0, and drawings, forming a part of this specification, its under face opposite'the jaw lO is provided 3o in which similar figures and letters of referwith teeth 22, inclining in an opposite direc- 8o ence indicate correspondingr parts in all the tion to the teeth 11. views. The lower or inner end of the jaw 2l is made Figure lis a side elevation of the improved to terminate in a handle 23, and a stirrup 24 Wrench. Fig. 2 is a rear elevation thereof, is formed upon or attached to the handlleand Fig.3 is alongitudinalsection takensub- `portion of the jaw 21,embracing both the 85 stantially on the line 3 3 of Fig. 2. slide and the handle A of the wrench. A In carrying out the invention the handle A spring 2,5 is secured to the back portion ofthe is provided with ahead 10 at one end, which slide, and engages with the inner face of the constitutes one of the jaws of the Wrench, the jaw 21 back of its pivot, the spring serving 4o said jaw being provided upon its outer face to hold the toothed surface of the jaw 21 at 9o with a series of inclined teeth 11. A slide B an inclination to the corresponding surface is mounted upon the handle, and this slide of the handle-jaw 10, whereby the jaws will consists of an upper strap l2 and a lower bite firmly and quickly upon a pipe, the stirstrap13 fitted around the handle and having rup 24 serving to limit the said inclination.

free movement thereon, and a tie-bar 14, In the operation of this wrench the handle 95 which is located at the back portion of the 18 of the stirrup-lock is pushed forward by handle. In the forward or front edge of the the thumb, and the stirrup will be-taken out handle of the wrench, a predetermined disof engagement with the channeled or recessed tance below the jaw 10, a number of transportionof the handle. The slide may then be 5o verse recesses 15 is produced, forming'a semoved up or down on the handle to increase roo or decrease the space between the jaws according to the dimensions of the pipe to be taken, and when the proper adjustment has been made Ythe stirrup-lock is released and again engages with the channeled surface of the handle. Owing to the stirrup 16 it is evident that, when the wrench is in use, the strain will be to some extent taken off from the tooth 17 and the teeth separating the grooves 15, thus preventing these parts from becoming broken or damaged, and it is likewise evident that when the jaws are adjusted away from one another the handle is lengthened, and thereby the leverage is increased; and, furthermore, that as the slide is adjusted on the handle the

straps

12 and 13 will be over that portionot the handle which in the operation of the wrench must sustain the greatest strain, and that the said straps, and in fact the entire slide B, serve to materially strengthen the handle. Furthermore many pipe-wrenches y require the application of a hammer or other weighty body to the clamping-jaw to release them, whereas in the form of wrench illustrated, should the clamping-jaw stick it is quickly released by simply pressing inward the shank 23 of said jaw.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. In a wrench the combination of a handle having a jaw, a slide movable on the handle and adapted tov be locked thereto, and a jaw pivoted on said slide at one side of the handle and provided at its rear end with a stirrup encircling the said handle andv adapted to bear on the forward face thereof, substantially as set forth.

2. In a wrench the combination of a handle having a jaw having a roughened face, a slide movable on the handle, a jaw pivoted on said slide and a spring actuated stirrup pivoted on said slide encircling` the handle and provided with, a tooth or projection adapted to engage the roughened face of the handle, substantially as set forth.

3. In a wrench, the combination of a handle having a jaw, a slide movable on the handle and adapted to be locked thereto and a jaw pivoted on the slide at one side of the handle and provided 'with a stirrup adapted to en` 5. In a wrench, the combination, with a` handle provided with ajaw at one of its ends and with transverse channelsin one of its faces, of a slide consisting of straps surrounding the handle and a connecting bar uniting the straps, a stirrup lock pivoted upon the slide and extending around the channeled portion of the handle, the stirrup being provided with a tooth entering the saidv channels, a spring normally holding thel strap in locking position, a handle located at one end of the stirrup, a jaw pivoted upon the slide, extending over the handle jaw and terminating at its inner end in a handlea spring bearing against the pivoted jaw, normally holding its working face at an angle to that of the handle jaw, and a stirrup secured to the pivoted jaw and embracing the handle, limiting the extent of angularity with relation to the handle jaw, as and for the purpose specified.

EDWARD I. MOREY.

VVitnesses:

C. C. MCMILLEN, T. H. THOMPSON.