US824724A - Cable-grip. - Google Patents

Description

No. 824,724. PATENTED JULY 3, 1906.

R. H. KEAYS. CABLE GRIR.

APPLICATION FILED OOT.28. 1906.

FIG 4- FIG 2/ wlrnmsks; mmvron ZZZ: By U ATTORNEY T'Hs NORRIS PETERS col, WASHINGTON, n. c

' tion of the power REGINALD HORTON KEAYS, OF NEW YORK, N. Y.

CABLE-GRIP.

Specification of Letters Patent.

\ Patented July 3, 1906.

Application filed October 28, 1905. Serial No. 284.826.

To all whom, it may concern:

Be it known that I,-REGINALD KEAYs, acitizen of the United States, and resident of the city of New York, inthe county of New York and State of New York, have invented certain new and useful Improvements in Cable-Grips, of which the following is a specification, reference being had to the accomp anying drawings.

My invention relates to improvements in cable-grips, and one object of my invention is to provide a cablegrip in which the applicato the gripping mechanism shall be made without the intervention of levers or other rotary parts.

Another object of my invention is to provide a cable-grip in which the power is applied directly to the gripping mechanism by spring action.

A third object of my invention is to provide means whereby the opening between the gripping-jaws shall upon release be made uniform throughout its length.

Other features of my invention will be brought out hereinafter.

In the drawings illustrating the principle of my invention and the best mode now known to me of applying that principle, Figure 1 is an elevation, and Fig. 2 is a bottom plan view, of my new gripping mechanism as applied to a mine-car; and Figs. 3 and 4 show a modified form of the releasing-lever.

To the bottom of the car (not shown) is suitably secured the longer leg of an L- shaped plate B, to which is secured by bolts G G a U-shaped plate A, the legs A A of which project downwardly parallel to the shorter or vertical leg B of the plate B. Slidably mounted in the vertical leg B of the plate B and the inner leg A of plate A is a spindle the front end or head C of which is squared and passes through a square hole in the leg A, while the body portion C is cylindrical and passes through a round hole in the leg B. Between the square head C and the cylindrical part C of the spindle is formed a collar E, between which and the vertical leg B of the plate B is mounted a spiral spring S.

By cutting away the metal at the extremity of the squared portion C of the spindle to form recesses 0 upon its upper and lower faces there is formed a lug D upon which is pivotally secured by aw plane and parallel to the gripping-faceL there- HORTON l. mechanism the rear a l out its extent with the opposed face A of the right in Figs. 1 and 2 to release the gripping face K coincides t leg A. 'Thus the gripping-face L in releasmg position is made parallel to the face A and since the gripping-face L of the stationary jaw D is parallel at all times to the face A the opening between the jaws when the grip is released will be uniform throughout its eX- 1 tent, the advantage of which will be obvious the pin F the movable pair of cooperating gripping-jaws; a The rear face K of the jaw D is spindle to which one of said jaws is pivotally to all skilled in this art.

The stationary jaw D is secured to the leg A by tap-bolts T, which permit its removal in case of need.

Upon the outer end of the spindle C is mounted the releasing-lever H, the outer end H of which is bent at right angles to form a knock-off and the inner end H of which is formed with a cam-surface which coacts with the face B l/Vhen the arm H is thrown parallel to the face B the cam H coacts with the face B to draw the spindle C to the right against the tension of the spring S, thereby releasing the grip. When the arm H is thrown into the position shown in the fig ures, the spring S forces the spindle to the left, thereby causing the jaws to close upon the cable.

The sides of the jaws D D are beveled to facilitate the jamming of rags, bagging, and thelike to prevent slipping of the cable in case of excessive loads. The rags are wound around the cable behind the grip and are carried by the cableinto the notch formed by the beveled faces. As shown in the drawings, the gripping-faces are grooved near the middle for the reception of the cable.

T 0 provide for wear of the jaws, the collar E is so positioned that a space is left between it and the leg A when the grip is closed.

In Figs. 3 and l is shown a form of releasing-lever H in which the outer end is straight instead of being bent, as in case of the lever H shown in Figs. 1 and 2, Fig. 3 being a plan view and Fig. 4 an elevation.

What I claim is 1. In a cable-grip, the combination of a pair of cooperating gripping-jaws; a slidable spindle to which one of the jaws is connected; a spring mounted upon said s indle; and means for supporting said spind e and jaws.

2. In a cable-grip, the combination of a slidable connected; a spiral spring wound around said of, so that when the spindle O is pulled to the 1 spindle and acting to move said spindle and hrough- IIO stationary jaw; a

thereby force said aws together; and means for supporting said spindle and aws.

In a cable-grip, the combination of a movable jaw; means for moving said movable jaw from said stationary jaw to release the cable; and a plate j against which the rear face of said movable I support; a pair of cooperating a slidable spindle upon which one of said aws is, mounted; a spring which is mounted upon said. spindle and which forces said. jaws together; and releasing means mounted upon said spindle.

7. In a cable-grip the combination with a support of a pair of cooperating grippingjaws; a slidable spindle upon which one of said aws is mounted; a spring which is mounted upon said spindle and which forces said jaws together; and cam-controlled releasing means mounted upon said spindle.

8. In a cable-grip the combination with a plurality of parallel plates of a pair of cooperating gripping-j aws, one of which is mountet on one of said plates and the other of jaw is made to abut in releasing position, thereby bringing the gripping-faces of said jaws into substantial parallelism and making the opening for the cable of uniform width throughout its length. i

4. In a cablegrip the combination of a stationary jaw; a movable jaw; a spindle in one end of which said movable jaw is pi votally mounted; a plate in which said spindle is mounted slidably; and means for mov-j ing said spindle to bring said movable jaw which is mounted upon a slidable member a ainst said late to release the cable and su orted by the others of said plates; said tlirow the gri fpingdaces of said jaw into subl sliil ble member; and a spring mounted upon stantial parallelism. said slidable member and. adapted thereby 5. In a cable-grip, the combination with to force said jaws together.

supporting means of gripping-jaws, one of In testimony whereof I hereunto set my which 1s pivotally mounted, the ends of the hand, in the presence of two witnesses, this gripping-faces of said jaws being beveled to j 26th day of October, A. D. 1905.

form notches in the closed position of the j REGINALD HORTON KEAYS.

aws, said notches being adapted to catch \Vitnesses:

non-shppable material carried by the cable. JANET H. KEAYs,

JEssIE H. WILLARD.

6. In a cable-grip the combination of a gripping-j aws

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