US180472A - Improvement in choppimg-wsills - Google Patents

Improvement in choppimg-wsills Download PDF

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US180472A
US180472A US180472DA US180472A US 180472 A US180472 A US 180472A US 180472D A US180472D A US 180472DA US 180472 A US180472 A US 180472A
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burr
improvement
wsills
choppimg
head
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00Crushing or disintegrating by gyratory or cone crushers
    • B02C2/10Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers

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  • the object of my invention is to provide a mill which will grind feed for animals, or grind hour; and it consists ot one stationary metal burr, made adjustable, in combination with a rotary metal burr driven by a shaft attached thereto directly, as hereinafter more fully described and claimed.
  • A is a shaft, supported in journals o ct on a proper frame-Work, and having at one end a driving-pulley, b, and on the other end a circular head, c.
  • the head c has three radial depressions, t',- in its face contiguous to its periphery. These depressions are for the reception of three projections,
  • n n on the rear of a burr, B, which is rotated by the head c.
  • the face ot' the burr 'B bears against the face of another burr, D, which has no rotary motion imparted to it, but is set into a heavy cross-beam, E, which slides in ways f f, and is controlled by a set-screw, e,
  • the burr D has a horizontal adjustment animals, or our or meal, the adjustability ot' the burr D allowing the necessary changes.
  • the adjustable beam E provided with lthe recess p, and the stationary burr D, provided with the central opening w, in combination with the burrB, provided with the projections n, and the head c, having the radial depressions 't' t', all constructed to oper'- ate substantially as and for the purpose set forth.

Description

UNITED STATES PATENT OFFICE.
DAVID GARTMAN, OF YORK, ASSIGNOR OF ONETHALF TROUT, OF SPRINGFIELD TOWNSHIP,
Y Hrs RIGHT To ADAM PENNSYLVANIA.
IMPROVEMENT IN CHPPINGM|LLS.
' Specitication forming part of Letters Patent No. l0,4l72, dated August 1, 1876; application lled June 19, 1876.
To all whom it may concern:
Be it known that I, DAVID GAETMAN, of York, in the county of York and State ot' Pennsylvania, have invented a new and Improved Shopping-Hill; and I hereby declare the following to be a full, clear, and exact description thereof, reference being had to the accompanying drawings, making part ot' this specification, in which- Figure l is a vertical cross-sectional view. Fig. 2 is a longitudinal vertical section.
The object of my invention is to provide a mill which will grind feed for animals, or grind hour; and it consists ot one stationary metal burr, made adjustable, in combination with a rotary metal burr driven by a shaft attached thereto directly, as hereinafter more fully described and claimed.
- In order that those skilled in the art may make and use my invention, I will proceed to describe the manner in which I have carried it out.
In the said drawings, A isa shaft, supported in journals o ct on a proper frame-Work, and having at one end a driving-pulley, b, and on the other end a circular head, c. The head c has three radial depressions, t',- in its face contiguous to its periphery. These depressions are for the reception of three projections,
n n, on the rear of a burr, B, which is rotated by the head c. The face ot' the burr 'B bears against the face of another burr, D, which has no rotary motion imparted to it, but is set into a heavy cross-beam, E, which slides in ways f f, and is controlled by a set-screw, e,
so that the burr D has a horizontal adjustment animals, or our or meal, the adjustability ot' the burr D allowing the necessary changes.
Having' thus described my invention, what I claim as new, and desire to secure by Letters Patent,.is
In a chopping-mill, the adjustable beam E, provided with lthe recess p, and the stationary burr D, provided with the central opening w, in combination with the burrB, provided with the projections n, and the head c, having the radial depressions 't' t', all constructed to oper'- ate substantially as and for the purpose set forth.
DAVID GARTMAN. Witnesses R. K. EVANS, D. Gr. DEEMS.
US180472D Improvement in choppimg-wsills Expired - Lifetime US180472A (en)

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