US729741A - Carpenter's vise. - Google Patents

Description

PATENTED JUNE 2, 1903..

G., W. DREW.

GARPBNTEBS VISE. APPLICATION FILED JULY 2, 1902.

N0 MODEL. aq-

G60 i fizfirew d g)? ATTORNEYS NITED STATES Patented June 2, 1903.

PATENT OFFICE.

GEORGE WARREN DREW, OF SAN FRANCISCO, CALIFORNIA.

CARPENTERS VISEH SPECIFICATION forming part of Letters Patent No. 729,741, dated June 2, 1903.

Application filed July 2, 1902. Serial No. 11 1 1041. (N model.)

To all whom it may concern:

Beitknown thatLGEoReE WARRE DREW, a citizen of the United States, residing at San Francisco, in the county of San'Franciscoand State of California, have inventedcertain new and useful Improvements in Carpenters Vises, of which the following is afull and complete specification, such as will enable those skilled in the art to which it appertains to make and use the same.

The object of this invention is to provide an improved carpenters vise, which may be connected with an ordinary carpenters bench,

' and the construction and operation of which is such that the vise-jaw will be moved at both ends toward and from the bench and both ends thereof be held at exactly the same distance from the bench.

The invention is fully disclosed in'the following specification, of which the accompanying drawings form apart, in which the separate parts of my improvement are designated by the same reference characters in each of the views, and in whicht Figure 1 is a sectional side elevation of my improved vise and showing the same connected with a carpenters bench; Fig. 2, a back view thereof; Fig. 3, a section on the line 3 3 of Fig. 1; Fig. 4, a side view of a detail thereof, and Fig. 5 a partial section on the line 5 5 of Fig. 4.

In the drawings forming part of this specification I have shown at ca a part of an ordinary carpenters bench, and said bench is provided with a top plate a and front or side plate 0. and in the practice of my invention 1 secure to the inside of the front frame of the bench a socket-piece b, which is screwthreaded internally to form a screw-threaded socket 19 The vise-jaw c is provided on the outsidethrough an opening 0 in front of the bench,

and the socket-piece b is threaded at b to correspond with the thread 0 on the shaft 0 Screwed into the socket-piece Z) is a tubular sleeved, which is provided with an external thread similar to the thread in the socketpiece I), and the screw 0 is provided, as shown in Fig. 3, with a longitudinal groove d and the sleeve (Z is provided with a corresponding lug or rib (l and by means of this construction the sleeve 61 is locked to the screw 0 Connected with the bencha below the top a is a bracket or support e, from which is loosely suspended a lever), composed of sepa rate side members f the lower ends of which are brought together atf and pivotally connected with a bar f which passes loosely through the frontportion of the bench and into and through the lower end of the jaw c andis pivotally connected with said jaw atf The outer end of the sleeve cl is provided with a head C1 and the said sleeve is passed loosely through a disk or plate g, having side arms which pass through the sides f of the lever f, and the head (1 of the sleeve do prevents said sleeve from being drawn from the disk or plate g, and a cup-shaped disk h incloses the head d of the sleeve d and is also provided with arms hiwhich pass through the sides f of the lever f and preferably through the same opening through which the armsg of the disk or plate g pass, and the cup-shaped disk h is provided with a central opening h through which the end of the screw 0 loosely passes. As thus constructed it will be seen that the sleeve 01 turns with the screw a and the lower end of the level-f is moved backwardly or forwardly, according to the direction in which the shaft is turned, and the length of saidlever and its connection with the jawc and the connection of the screw-(,- with the jaw c is such that both ends of said jaw are moved toward and from the front side of the bench at are always maintained exactly in the same relative position with reference to said front side of the bench a. r

The separate sides f of theleverfare con- 'nected by transverse rods f? in theform of construction shown; but this lever may be of any preferred construction and may be suspended from the support or bracket e in any desired manner, and the thread on the screw 0 and the external thread on the the same time, and .saidends of said jaw ICO sleeve (1 are not of the same pitch, the number of threadsto the inch being greater in the sleeve than on the screw, the diiference in these threads depending on the length of the arms of the leverf with respect to each other.

My invention is not limited to the method of connecting the socket-piece h with the bench nor the position thereof, and changes in and modifications of the construction described maybe made without departing from the spirit of my invention or sacrificing its ad vantages.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination with a carpenters bench of a socketpiece secured to the side thereof, a screw passing through said socketpiece, a sleeve secured to said screw and provided with a thread which engages a corresponding thread in the socket-piece, the threads in the sleeve and on said screw being of different pitches, a lever connected with said sleeve, a vise-jaw through which the front end of said screw passes, a handle-piece connected with said screw and a bar loosely connected with the lower end of said lever and passing through the front of the bench and loosely connected with the lower end of the vise -jaw, substantially as shown and described.

2. In a carpenters vise, a socket-piece secured to the front of a carpenters bench, a screw passing through the front of the bench and through said socket-piece, said socketpiece and said screw being correspondingly threaded, a sleeve connected with said screw and threaded externally to correspond with a thread in the socket-piece of different pitch, a lever suspended rearwardly of said socketpiece and loosely connected with said sleeve, a vise-jaw through which the front end of said screw loosely passes a handle-piece connected with said shaft and a bar connected with the lower end of said lever and with the visejaw, substantially as shown and described.

In testimony that I claim the foregoing as my invention I have signed my name, in presence of the subscribing witnesses, this 25th day of June, 1902.

GEORGE WARREN DREW.

\Vitnesses:

WILLIE LOUIS KIMBALL, HENRY BERTRAM LISTER.

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