US1134679A - Mirror attachment for a vise. - Google Patents

Description

J. W. IVORY.

MIRROR ATTACHMENT FOR A VISE.

APPLICATION FILED NOV. 20. 1913.

1 1 34,679. Patented p 6, 1915.

WITNESSES JAMES W. IVORY, OF PHILADELPHIA, PENNSYLVANIA.

MIRROR ATTACHMENT FOR A,VISE.

To all whom it may concern Be it known that I, JAMES W. IvoRY a subject of the King of Great Britain, res ding in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Mirror Attachment for a Vise, of which the following is a specification.

My invention consists of means adaptlng a mirror to be attached toa vise, whereby the work on the article held on the jaws may be reflected and so be perceived by the workman, thus directing him in the performance of said work to continue and finish the same. 'The invention is satisfactorily illustrated in the accompanying drawing, but the important instrumentalities thereof may be varied, and so it is to beunderstood that the invention is not limited to the specific details shown and described.

Figure 1 represents a perspective view of a mirror attachment for a vise embodying my invention, including also a perspective view of'a vise. Fig. 2 represents a perspec tive vlew of said attachment on an enlarged scale. Fig. 3 represents a portion of a modification.

Similar numerals of reference indicate corresponding parts in the figures.

Referring to the drawings :1 designates a frame which is composed of the parallel bars 2 and 3, and the cross bar or brace 4, connecting the same. For the purpose of distinction, I designated the bar 2 as the clamping arm, and the bar 3 as the mirror sustaining arm. The bar 2 has deflected limbs 5 and 6 on the ends thereof forming an arm, the limb 5 having the brace 4 connected rigidly with it, and the other limb o having fitted to it the set screw 7 whose point is toward said limb 5. In the brace 4 is the longitudinally extending slot 8 in which is received the shank of the screw 9 which on ters the end of the bar 3, whereby the latter may be sustained on said brace, and be adjusted thereon, as will be hereinafter more fully explained. On the bar 3 is the channel 10 which is adapted to have the bottom edge of the mirror 11 fitted thereinto and so sustained by the same in comparatively upright position.

On the limb 5 of the bar 2 is the head 12 which is opposite to the point of the screw 7 on the limb 6, it being noticed that the bar 2 is fitted over one jaw of a vise, and the head 12 of the screw 14 is placed against one end of said jaw said screw entering the Specification of Letters Patent.

Application filed November 20, 1913. Serial No. 802,046.

limb 5, and then the point of the screw, 7 is placed against the other end of said jaw. The screw is now rotated, whereby it 'tight ens against the jaw, and this with the head 12 holds the bar '2 and consequently the brace rigidly in position on the vise. 'As the bar 3 is mounted on the screw '9 it is turned thereon so as to be adjusted according to the angle that it is desired to impart to the mirror 11. Then said bar is moved on the brace to and from the bar 2 until the mirror is ad justed the proper distan'cefrom the jaws of the vise when the screw 9 is tightened and thus the mirror retains its adjustment, it being seen that the workman 'will now see his work refiectedin the mirror and he can observe and follow the same according to requirements, especially onthe side opposite to his position at the vise.

In order to rotate the bar 3 and move it'on the brace 4 to and from the arm'2, it is provided with a knob or handle 13, it being noticed that the arm 2 may remain a fixture on the vise While the adjustment of the mirror is being accomplished, and said bar is set out from the vise and supported at one end on the brace 4, and consequently on the vise, so that the attachment will not interfere with the freedom of movement of the tools and material employed by the workman on the vise. The head 12 is connected with the screw 14, which enters the limb 5 and so may be adjusted so as to rest properly against the adjacent end of the jaw on which it is supported.

In Fig. 3, I show the cross bar 4 as made separate from the limb 5 and provided with a downward extension 15 which with said limb receives the shank of said screw 14, which is made longer than in Figs. 1 and 2 and has fitted thereon, on its outer end, the nut 16 which when tightened clamps said limb and extension and so holds the bar 4 in desired position, relatively to the requirements of the mirror-supporting bar 3, it being evident that by these means saidcross bar may be changed angularly and so serve to adjust the angle of the mirror in its relation to the adjacent side of the jaw, Where the reflection is to be occasioned while also permitting the mirror supporting bar 3 to be raised and lowered so that the mirror may be lowered and raised therewith to be The slot 8 is extended through the terminal of the brace or cross bar l, so as to be open at said terminals as at 17, whereby the screw 7 may be fitted conveniently to, and removed from, said cross bar at the open end of said slot by sliding it into and out of the same as is evident. 7

Attention is drawn to the fact that the screw 9 which secures the mirror sustaining arm to the cross bar forms the axis of the said arms is open or unobstructed, since the ends are disconnected. This permits the tools of the workman to reach the article held by the jaws of the vise and operate thereon in both transverse and longitudinal directions without having said arms interfere with the operation.

Having thus described my invention what I claim as new and desire to secure by Letters Patent, is zarm, so that said arm may be rotated in order A mirror attachment for a vise composed iii 3% to adjust or set the mirror at a desired angle of an arm, a mirror-holding device thereon, to the vise, and as the shank of said screw an arm having deflected limbs adapted to be freely occupies the slot 8 in said cross bar, connected with a jaw of the vise, said arms 15 said arm may slide in said slot in opposite directions, so as to set the mirror the desired distance from the jaw of the vise to which the attachment is applied.

Owing to the downwardly-deflected limbs 20 5 and 6 of the clamping arm 2, the attachment may be connected with the jaw of the vise and removed far below the top of the same, so that the working face of the vise at said top is left free and unobstructed for the extending in horizontal directions parallel to each other, a transversely-extending slotted crosspiece having its ends connected with said arms, and means on the end of the mirror-supporting arm adapted to enter freely theslct of said cross piece, whereby said mirror supporting arm is both rotatably and slidably mounted on said cross bar, the ends of the two arms opposite to said cross bar being disconnected forming a free space to same connected with the slotted cross bar 4, hence the space between the other ends" of Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

25 introduction and occupation of the article to the vise.

be gripped between the jaws. I I

Attention is directed also to the fact that 7 JAMES the arms 2 and3 have one end of each of the WVitnesses:

JOHN A. Wmnnnsrrnrm, N. BUSSINGER.

Washington, D. C.

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