US161448A - Improvement in feed-cutters - Google Patents

Description

'1. A. SCHWERDT.

THE GRAPHIC C0.PHOTOLITH.39&4'I PARK PLAGEJLY.

JOHANN A. SOHWERDT, OF NEW YORK, N. Y.

IMPROVEMENT IN FEED-CUTTERS.

Specification forming part of Letters Patent No. 1 61,448, dated March 30, 1875; application filed September 26, 1874.

To all whom it may concern:

Be it known that I, J OHANN A. SOHWERDT, of New York city, in the county and State of New York, have invented a new and Improved Feed-Gutter, of which the followingis a specification:

In the accompanying drawing, Figure 1 represents a side elevation of my improved feedcntter; Figs. 2 and 3, respectively, top and end views of the same; and Fig. 4 a detail vertical transverse section of the feeding mechanism.

Similar letters of reference indicate corresponding parts.

The invention consists in an arrangement of feedrollers, pawl-levers, connecting-rods, a treadle lever, and a wheel carrying two blades or cutters, and mounted on a crankshaft, said parts being so connected that the rollers are simultaneously operated at each half-revolution of the wheel, and the straw or other material fed forward just previous to the cutting-stroke of each blade.

Heretofore in machines of this particular variety the arrangement has been such as admitted of but one intermittent rotary movement of the feed-rollers during the time the rollers in my machine make two.

The upper grooved feed-roller D slides by its shaft vertically in slotted recesses e of the side standards of the cutter-box, the shaft ends being acted upon by sliding rods f fitting into recesses e, and carrying a lateral box, F, for the insertion of a suitable regulatin g-weight. The weighted top roller D bears firmly on the hay, straw, or other material to be cut, and adjusts itself to a greater or less thickness of the same as it passes forward to the cuttingknives. The intermittent feeding of the belt and top roller is produced by side ratchets g, which are engaged by spring-pawls g acting in opposite direction to each other, and being applied to pivoted lever-arms h, which are adjustably connected by a pivoted lever-rod, h, with a lateral treadle, l, fulcrumed centrally to the lower part of the frame. Another lever-rod, l, connects the swinging treadle 1 adjustably to the end of a crank, m, of shaft m, for changing thereby the length of forward feeding of the material. Shaft m turns in suitable bearings of frame A, being placed parallel to the longitudinal axis of the cutter, and carrying at the front end a fiy-wheel, G, of suitable size, which rotates in front of the feeding mechanism. To supporting arc-shaped bearing-plates n of the fly-wheel G, which are attached from a point at the circumference to a point near the center, are applied by setscrews n, preferably two scythe-shaped cutting-knives, G which are adjusted to pass closely along a steel blade, G set into the bottom of the cutter-box B in front of the bolt. The powerful action of the cuttingknives cuts the material as soon as exposed to the same by the feeding mechanism, the motion being produced either by a handle attached to the fly-wheel, or by foot-power on the treadle.

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

In a feed-cutter, the wheel Gr, provided with two cutting-blades, G G the crank-shaft m, centrally pivoted treadle-lever 1, connectingrods 1 h h, pawl-levers h h, the two feed-rollers O and D, the latter made vertically-adjustable, and each having ratchet-wheels g g, all combined and arranged to operate as shown and described.

JOHANN A. SGHWERDT.

Witnesses:

ADAM E. SGHWERDT, PAUL GoEPEL.

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