US498726A - The nor - Google Patents

Description

(No Model.)

.G, W. PRESTON. STOCK FOR SURFACE GAGES 0B. OTHER IMPLBMBNTS. No. 498,726.

Patented May 30,1893

@Moine/13 Tn: uonms Pains co. PHoTuLlmo.. wsmNuToN. u. c.

UNITED STATES PATENT OFFICE.-

CHARLES W. PRESTON, SAN FRANCISCO, CALIFORNIA, ASSIGNOR OF ONE-HALF TO WILLIAM C. ESPEY vAI\TDWVALTER E. ANDERSON, OF

SAME PLACE.

STOCK FOR SURFACE-GAGES OR OTHER IMPLEMENTS.

SPECIFICATION forming part of Letters Patent No. 498,726, dated May 30, 1893. Application filed April 7, 1892. Serial No. 428,243. (No model.)

To all whom t may concern:

Be it known that I, CHARLES W. PRESTON, a citizen ot' the United States, residing in the city and county of San Francisco and State of California, have made certain new and useful Improvements in Combination Implements; and I hereby declare the following speciication and the drawings therewith and forming a part of the same to be a full, clear,

1o and exact description of my invention.

My invention relates to an implement or implements composed of a number of elements or mechanical parts that may be combined and connected by arrangement and adjustment so as to perform a great variety of dierent functions such as are required in testing, adjusting and laying out mechanical Work of various sorts, the object of the invention being to provide a simple and convenzoV ient device which may be useful for many purposes and which consists in the construction, arrangement and combination `of the several parts, substantially as will be hereinafter described and then more particularly pointed 2 5 out in the appended claims.

In the accompanying drawings illustrating my invention: Figure lis a plan view ot my improved combination implement, showing the graduated bar held removably at one end 3o of the main stock by means of the adjustable socket there located. Fig. 2 is a reverse plan view showing the graduated bar supported adjustably near the other end of the main stock. Fig. 3 is likewise a plan view showing the same side ot' the main stock as that represented in Fig. l, but said stock occupying a different position and showing the graduated bar connected centrally to the main stock and carrying at its other end a tool- 4o holding clamp. Fig. et is a longitudinal section on the line x a: of Fig. 3.

Similar letters of reference designate corresponding parts throughout all the different figures of the drawings.

F designates a bar of rectangular form, its sides being parallel and straight and one or more of them being graduated or provided with a suitable scale of lengths to enable the bar to be easily adjusted and placed in use,

and it is, whenever practicable, set so that its corners will come in contact with the Work, thus giving a clear line of light in setting. The graduated rectangular bar F is provided at the ends with rounded screws Q which are employed for fastening the gage knife or marker R in place-see Fig. l-and also for protecting the ends of the scale bar from injury when it is in use for various purposes.

M denotes the main stock or base of the combination implement. It may be of suitable size and its shape may vary considerably. Its edge A is made broad and Iiat so that it can be adapted for setting upon a Hat or plane surface; The edge B is at right angles to the flat face A. The edge B2 which is parallel and opposite to the edge B is elongated and provided with a V-shaped groove running from end to end which is designed to receive loosely at vcertain times, the scale bar F. p

D and D2 designate spirit levels of the ordinary kind. They are used for the purpose of determining the Vertical and horizontal positions of the main stock. The level D is a horizontal level, being parallel to the flat side A and being used for the purpose of determining the true horizontal position of the main stock when the implement is in actual use. The level D2 is preferably located near the V-grooved edge B2 and is a vertical level, being used for the purpose of locating the main stock with the edge B2 in a proper vertical position when the device is in actual use. The exact location of these levels may of course vary and I do not wish to be restricted to placing them at the precise points shown in thevdrawings.

The main stock M is so constructed that the scale beam F may be adjustable thereto at three different points, to wit: at the grooved edge B2, at a point near the straight edge B', and in the slotted portion substantially midway between the two edges B and B2. At each of these points, provision is made for inserting and holding the rectangular graduated bar F.

E designates the central mortise which is cut parallel to the edges B and B2. This mortise receives the bar F and it can be adjusted lengthwise therethrough so as to occupy any desired position. The bar F is held in place by means of a horizontal set screw H.

' The stock M is provided with a pointer or index I which projects alongside of the mortise E into proximity to the scale bar F so that it may point out any mark on the graduated side of the scale bar which may be in proximity to it. The mortise E is clearly shown in Figs. l, 2 and 4:, in which figures it is unoccupied by the scale bar F, but in Fig. 3 said beam is shown in position in the m'ortise E', being held there by the set screw H. Vhen the scale bar is located in the V-grooved edge B2, it will be held in any desired position by means of the clamp E2, having the clamping points et a and operated by the thumb screw G. By loosening this thumb screw the bar F may be loosened so that it can be slid in either direction for the purpose of adjustment so as to meet the requirements as set forth in the desired combinations which the arrangement of the different parts of the tool may be desired to effect. By tightening the thumb screw G, the bar F maybe held rigidly within the grooved edge B2. This edge B2 is provided. with a pointer or index I2 for the purpose of pointing out the graduations upon the graduated bar F.

Adjacent to the edge B is the third seat for mounting or connecting the scale bar F to the main stock M, said seat consisting of the metallic strap E3, carried by the eyebolt or screw .I having thereon a thumb nut K, by means of which the seat E3 can be loosened or tightened. The scat E3 is located on a revolving or adjustable block L graduated on the periphery at X so as to indicate the angle at which the bar F may be standing with reference to the faces A and B in the usual manner ofsuch adjustments. The revolving block L is shaped as shown in Fig. 3, with a channel to receive the bar F which tits therein as illustrated in Fig. 2. When the bar F has been set to the desired angular position, it is fastened by means of the thumb nut K, which nut at the same time fastens the revolving block L tightly against the side of the main stock M, as clearly shown in the sectional view of Fig. 4. Supposing for instance that the bar F is supported in the seat E2 as depicted in Fig. 2, it will be evident that by loosening the thumb screw K, the revolving block L can be rotated so as to bring the scale bar F into any desired angular position, either to the right or to the left of thelocation shown in Fig. 2 and that when thus adjusted it will be securely clamped by an easy manipulation of the nut K.

On the scale bar F is a sliding clamp S made to tit neatly on the bar and having a suitable mortise through which the bar passes, said bar being held by means of the set nut T. On this sliding piece S is an extension which is tted with an eyebolt J2 that receives and holds any suitable round or square implement as Y', employed for measuring, marking or scribing in laying out or gagin g various kinds of work.

It will be evident that the sliding clamp can be adjusted back and forth so as to occupy any desired position upon the scale bar F. It is also evident that the tool Y or any similar tool can be fixed in any desired position by adjusting the eyebolt J2 which carries it. This bolt J2 is preferably set oblique to the faces of the bar F so that the tools held therein can be revolved about the axis of the screw without interfering with the bar F or other parts of the assembled implements used in connection therewith.

The scribing or marking tool Y requires no specific explanation as it is well known to those skilled in mechanical Work.

I2 designates a pointer located adjacent to the graduated periphery of the revolving block L for the purpose of indicating the proper adjustment of said block.

With the various mechanical parts assembled into a common implement in the manner which I have thus described and shown, it will be evident to those skilled in the art that many valuable results in practical use may be gained and that a multiplication of diverse usage may be secured by the re-arrangement and combination of the various adjustable parts. It is unnecessary here to enter upon an extended description or explanation of the way in which these several elements may be re-combined and re-arranged for different kinds of work. The skilled mechanician will readily perceive how the device is to be employed for the purposes of gaging and scribin g in testing, adjusting and laying out mechanical work.

Numerous slight changes in the details of construction in the exact size and specific arrangement of the various parts may be made without departing from the invention and I reserve the liberty of making any such changes as may be required to t the device to accomplish the best possible results for which it is adapted.

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

l. In a combination implement, a stock or head provided with seats at the middle and ends thereof for receiving a scale bar, said seats being furnished with suitable clamping means for retaining the bar in 1any desired longitudinal position, substantially as described.

2. In a combination implement, a stock or head provided with two seats for receiving a scale bar and permitting a rectilineal longitudinal adjustment of the rsame and provided also with a third seat which permits not only a rectilineal adjustment but also a rotary adjustment of the scale bar, all of said seats being furnished with clamping means for holding the bar at any desired position of adjustment, substantially as specified.

IOO

IIO

3. In a combination implement, a stock or head having seats, grooves or mortises to receive a scale bar in both rigid and adjustable positions so as to determine right angles or other angles also for various other uses as set forth, said head'being also provided with vertical and horizontal levels.

4. In a combination implement, the stock or head provided at its ends with clips or clamps to receive a rectangular scale bar in such position as to present a corner of the bar to work to be tested, producing thus a narrow line of contact and permitting a clear line of light between the bar thus angularly mounted and the surface to which it is applied, substantially as specified.

5. In a combination implement, the hea provided with a central rectangular seat for the scale bar, the V-grooved edge seat for the scale bar at one end and the rotary seat which permits the bar to have a rotary as well as a longitudinal adjustment, substantially as specied.

5. In a combination implement the head or stock M, provided with the vertical and hori- .-seat and a rotary lateral seat, all of which seats are adapted to hold the scale bar adjustably in different positions.

7. The main stock M, having the spirit levels D and D2 and the seats E', B2 and E3, substantially as described. Y

8. The main stock M, having the central rectangular seat E', provided with the set screw H and the pointer I, the lateral rotary block L carrying the rectangular adjustable seat E3, having set screw and nut and the V- grooved edge seat B2 having clamp E2 with teeth a a and set screw G, all of said seats being adapted to receive and adjustably hold the graduated bar F, substantially as speciiied. Y

In testimony whereof I have hereunto af-A fixed my signature in the presence of two wit- 45 Witnesses:

ALFRED A. ENQUIST, vWILSON D. BENT, J r.

Images