US531744A - Punch ing-mac mine - Google Patents

Description

(No Model.)

T. A. NORRIS.

PUNGHING MACHINE.

Patented Jan. 1, 1895.

Wibwsses: m 6 04mm PATENT uric.

THOMAS A. NORRIS, OF BROGKTON, MASSACHUSETTS.

PUNCHING- MACHINE.

SPECIFICATION forming part of Letters Patent No. 531,744, dated January 1, 1895.

Replication fi March 9. 1894. Serial No. 503,001. (1% model.)

To all whom it may concern:

Be it known that I, THOMAS A. Nonnis, of Brockton, in the county of Plymouth and State of Massachusetts, have invented a new and useful Improvement in Punching-Ma chines, which Will,in connection with the accompanying drawings, be hereinafter fully described, and specifically defined in the appended claims.

In said drawings: Figure l is a side elevation of a punching machine embodying my invention; the base being in part broken away to show interior parts. Fig. 2 is a front elevation (taken at the right of Fig. 1) the base being in part broken away to show interior parts. Fig. 3 is a detached top plan view of the clearer, shown in Figs. 1 and 2. Fig. 4 is a detached under side or reverse plan view of the clearer, plate and gears. Fig. 5 is a detached plan view of the lower punching die, the stripper and the gage. Fig. 6 is an inverted or under side plan view of the top punching plate, with the punches therein inserted.

This invention relates to machines adapted to punch, in fancy patterns, the toe pieces of shoes; and it consists in means by which when the punches have passed through the leather the punch pieces or bits of leather cut out by punching, are cleared away from the ends of the punches so that there is no danger, as there otherwise would be, of such bits of leather being drawn back by the punches and being then in the way of the next piece of leather that is to be punched.

In said drawings A represents the punching machine, which may be of such form and proportion as will best accomplish the intended result. Said press embodiesa pulley 13, secured on shaft 0, which vertically drives the rod D, which at its upper end is secured to F that is loosely mounted on an eccentric wrist pin of said shaft, while its lower end is connected with a plunger G that reciprocates in casin g E. A plate ais secured to the lower end of plunger G and in said plate is sesecured a series of punches b arranged in such position as to impart to the punched leather the desired design when perforated by said punches. Said punches pass through and move freely in clearer plate 0 and just through the bottom punch plate (Z. A plate e riveted to plates 0 and d holds the two latter at the proper distance apart to admit the leather to be punched between them, and it serves as a gage or stop for the leather. A belt 11 is driven by pulley B, and passing over trucks m in holder I it engages and drives pulley j', which is formed with a small gear 6, which meshes with and drives the adjacent gears h, h, Fig. 4. Said gears g and h are mounted in plate q and are for safety and convenience inclosed by a curb It, It. Said plate q 13 secured to body A by screws 15 and it is set at a proper position by the push screws 2 that bear against body A in a well-known manner. The studs 3 that carry gears g and h, have secured to their upper ends the central clearer "band the side clearers j, as shown in Fig. 3; said central clearer being formed with live wings or members and the clearers j with four wings so that they pass the one within the other and yet do not come in contact. Said clearers are, by means of screws t and 2, arranged to move close to the under side of plated so that as the leather punchings are carried through said plate the clearers sweep them away so that when the punches rise they cannot bring said punchings back, as they otherwise would often do.

It will be apparent that instead of employing the form of clearers shown, other forms may be used, and that instead of their rotating as shown they may be arranged to reciprocate in such manner as to accomplish the intended result.

If it is desired to give the clearers i and j a capacity to slightly recede from plate (Z and to then return to their former position, such action may be secured by means of springs 4., which may be secured in sleeves Z so as to tend constantly to press said clearers upward, yet allowing their being depressed for the moment if they encounter a punching that is not fully forced down through plate cl. Said sleeves Z are formed as shown to allow said limited upward and downward play of the clearers, which in some classes of work is very desirable.

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

1. In a punching machine, and in combination with a series of reciprocating punches,

ranged to exert a constant upward tendency thereon yet allowinga limited downward action thereto, substantially as specified.

4. In a punching machinethe combination of punches b, stripper plate 0, punch plate d, and clearers i, 3', all operating substantially as specified.

THOMAS A. NORRIS.

\Vitnesses:

T. W. PORTER, L. W. HOWES.

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