US667152A - Permutation-vise. - Google Patents

Description

No. 667,|52. Patented Ian. 29, IBM. J. R. LONG.

PERMUTATION VISE.

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JOHN R. LONG, OF SPRINGFIELD, OHIO, ASSIGNOR OF ONE-HALF TO JOHN CRAY, OF SAME PLACE.

PERM UTATION-VISE.

SPECIFICATION forming part of Letters Patent No. 667,152, dated January 29, 1901.

Application filed August 17, 1900- 'beriai No. 27,134. tNo model.)

To LI/ZZ whom it may concern:

Be it known that I, JOHN R. LONG, a citizen of the United States, residing at Springfield township, in the county of Summit and State of Ohio, have invented a certain new and useful Improvement in Permutation- Vises, of which the following is a specification.

My invention has relation to improvements to in Vises for the use of mechanics; and it has for one object the construction of a vise the jaws of which may be arranged to extend above the clamping-screw in the ordinary manner or to project laterally from the screw,

so that the jaws lie in a horizontal plane and in either position shall be revoluble about a supporting-pivot.

A further purpose is to so arrange the parts that the tightening of the screw shall lock the vise against rotation on its supporting-pivot,

and a final object is to so construct the various parts that they will cooperate accurately with a minimum of friction.

To the aforesaid objects my invention con- 2 5 sists in the peculiar and novel construction,

arrangement,and combination of parts hereinafter described and then specifically pointed out in the claims, reference being had to the accompanying drawings, forming a part 0 of this specification.

In the accompanying drawings, in which similar ref erence-numerals indicate like parts in the different views, Figure 1 is a side elevation of the simplest form of my improved vise; Fig. 2, a vertical longitudinal section of the same; Fig. 3, a section at the line X X of Fig. 1; Fig. 4, a side elevation showing a slight modification of construction; Fig. 5, a vertical longitudinal section of Fig. 4, and

Fig. 6 a section at the line Z Z of Fig. 4.

Referring to the drawings, 1 is the fixed jaw, in the base of which is a cylindrical vertical opening 2, intersecting which is a horizontal cylindrical opening 3 of like size and both accurately bored to fit a cylindrical post 4,

rising from and integral with a plate 5, having a depending lip 6 to engage the edge of the bench on which the vise is to be mounted.

Extending through the intermediate part of the jaw 1 is a horizontal opening 7 to receive the guide-bar 8 of the movable jaw 9,

and this opening 7 extends downward at the front nearly to the lower line of the opening 3 and for a purpose to be stated.

The guide-bar 8 is in cross-section in form of a hollow parallelogram open in its under face, and through this extends the screw 10, provided with the turning-handle 11,retained at the front by the collar 12 and at its outer end by a washer held by upsetting the end of the screw therein or other preferred means.

Fitted to move freely in the guide-bar 8 is a block 13, which has an opening from front to back to permit the free movement of the screw 10 and a transverse opening in which rests a nut 14, adapted to mesh with the screw 10.

The block 13 is pivotally secured in the opening in the fixed jaw by means of a bolt 15, on which it has a slight movement and has the part that rests in the downward extension of the opening 7 conformed and arranged to encounter and bear against the post 4 when. forced inward. Hence when the screw is turned to close the jaws upon any article the effect is also to rock the block 13 on its pivot and press the lower part against the post 4, thereby locking the vise against rotation.

In the modifications shown in Figs. 4,5,and 8o 6 and which is peculiarly adapted to taking larger articles the block 13 is extended farther to the front and provided with oppositely-disposed rollers 16, on which the edges of the guide-bar 8 ride. The result of this arrangement is that as the jaws are closed on an article the slight depression of the movable jaw incident to the resistance of the article causes the edges of the guide-bar to press on the rollers 16 and rock the block 13 on its pivot, thus forcing it against the post 4, which force increases as the vise is closed more tightly.

From the foregoing description it will be apparent that the vise may be used either vertically or horizontally as the post rests in the opening 2 or 3, and in either position the effect of firmly closing the jaws will be to lock the vise against rotation on the post 4.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. An improved vise having a supporting cylindrical post, a fixed jaw revolubly mounted thereon, with an opening for the guide-bar of the movable jaw, and fora rocking block; a rocking block pivotally mounted therein bearing a nut, and arranged to be forced against the post by compressing the jaws; a guide-bar bearing a movable jaw arranged to slide in the fixed jaw and a screw to compress said jaws, substantially as shown and described.

2. An improved vise having a supporting cylindrical post, a fixed jaw revolubly mounted thereon with an opening for the guide-bar of the movable jaw and for a rocking block;

JOHN R. LONG.

In presence of O. P. HUMPHREY, C. E. HUMPHREY.

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