US135816A - Improvement in straw-cutters - Google Patents

Improvement in straw-cutters Download PDF

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Publication number
US135816A
US135816A US135816DA US135816A US 135816 A US135816 A US 135816A US 135816D A US135816D A US 135816DA US 135816 A US135816 A US 135816A
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Prior art keywords
rollers
feed
straw
cutters
improvement
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09—Details
    • A01F29/095—Mounting or adjusting of knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/148—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers specially adapted for disintegrating plastics, e.g. cinematographic films
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/485—Cutter with timed stroke relative to moving work
    • Y10T83/494—Uniform periodic tool actuation

Definitions

  • Figure 1 represents a side elevation of my improved fodder-cutter.
  • Fig. 2 is a longitudinal sectional elevation.
  • Fig. 4 is a view of one of the feed-rollers.
  • Fig. 3 is a sectional view, showing the means for adjusting the throw of the lpitman actuating the feed mechanism.
  • the fodder is passed through the ordinary boX A to the feed-rollers B and B', the latter of which, being the upper one, is journaled in vertically-elongated slots in the housings C and C', and bears against suitable springs,
  • the rollers shown consist of a wooden core covered with metallic sections; they may, however, be made entirely of metal and all in one piece, if preferred.
  • the surface of each roller is formed with comparatively wide and deep longitudinal or parallel grooves b and intervening ridges of teeth b', which enables them to get a lirm bite upon the fodder, and also to crush theV same soas to reduce it to the best condition for food for animals.
  • the teeth are of pyramidical form, and those of one row stand opposite tothe spaces between those of the adjacent rows, so that they must necessarily act upon vall portions of the stalks passing between the rollers.
  • the rotary cutter D acts in connection with the stationary knife E, vwhich is secured in suitable manner to the housings.
  • a bar, F which is beveled upon the side next to the feed-rollers in such a manner that the'advancing stalks of fodder coming in contact with such beveled surface f shall be guided over the edge of the fixed knife; Without such device the stalks might strike square against the knife and soon cause the choking of the machine.
  • This bar, being secured to the knife, is also beveled at f', so that the knife may be ground without removing it.
  • the corresponding journals of the feed-rollers project through their bearings, and each carries a ratchet-wheel, the one on the lower roller being marked G and the other G'.
  • the ratchet-wheels, and consequently the feed-rollers also, receive an'intermittent rotary motion in opposite directions by means of the reciprocating pawls H and H', which are pivoted to the opposite ends of oscillating lever I, the fulcrum-pin of which carries on its overhung outer end a crank, I1, connected by pitman I2 to a crank on the fly-wheel K.
  • Gravitating retaining-pawls g and g' are used to hold the ratchet-wheels stationary while the reciprocating pawls slide over them on their return strokes.
  • the ily-wheel K has a bridge, K', formed upon it, to which the wrist-pin k is secured, the bridge being provided with an elongated slot, la', to permit of the radial adjustment ofthe wrist-pin, by means ⁇ of which the throw of the pitman is regulated so that the amount of movement ofthe feed-rollers at each impulse may beregulated at pleasure.
  • the machine may be driven by any preferred or convenient gearing. Its revolving cutter and feed-rollers are covered by suitable caps, and the cut fodder is delivered from it through a chute in the ordinary manner.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Threshing Machine Elements (AREA)

Description

'.l'. F. KELLER.
Straw-Gutters.
' No.1'35816. Y Patented Feb.11,1873.
AM. Pfloroimm GRA Pme ca Mx(asapn-ss Fnacsss) UNITEDSTATES PATENT OFFICE.
JOHN F. KELLER, OF HAGER'S'IOWN, MARYLAND.
IMPROVEMENT IN STRAW-CUTTERS.
Specification forming part of Letters Patent No'. 135,816, dated Februaryll, 187?.`
consists in the combination, with the feed-rollers and knife of a fodder-cutter, of an intervening transverse bar having upon its upper edge inclined surfaces, substantially as hereina-fter more fully described and claimed.
Figure 1 represents a side elevation of my improved fodder-cutter. Fig. 2 is a longitudinal sectional elevation. Fig. 4 is a view of one of the feed-rollers. Fig. 3 is a sectional view, showing the means for adjusting the throw of the lpitman actuating the feed mechanism.
The saine letters of reference are used in all the iigures'in the designation ofidentical parts.
The fodder is passed through the ordinary boX A to the feed-rollers B and B', the latter of which, being the upper one, is journaled in vertically-elongated slots in the housings C and C', and bears against suitable springs,
` pressing it toward the lower roller. The rollers shown consist of a wooden core covered with metallic sections; they may, however, be made entirely of metal and all in one piece, if preferred. The surface of each roller is formed with comparatively wide and deep longitudinal or parallel grooves b and intervening ridges of teeth b', which enables them to get a lirm bite upon the fodder, and also to crush theV same soas to reduce it to the best condition for food for animals. The teeth are of pyramidical form, and those of one row stand opposite tothe spaces between those of the adjacent rows, so that they must necessarily act upon vall portions of the stalks passing between the rollers. The rotary cutter D acts in connection with the stationary knife E, vwhich is secured in suitable manner to the housings. Between the feed-rollers and this fixed knife is located a bar, F, which is beveled upon the side next to the feed-rollers in such a manner that the'advancing stalks of fodder coming in contact with such beveled surface f shall be guided over the edge of the fixed knife; Without such device the stalks might strike square against the knife and soon cause the choking of the machine. This bar, being secured to the knife, is also beveled at f', so that the knife may be ground without removing it. The corresponding journals of the feed-rollers project through their bearings, and each carries a ratchet-wheel, the one on the lower roller being marked G and the other G'. The ratchet-wheels, and consequently the feed-rollers also, receive an'intermittent rotary motion in opposite directions by means of the reciprocating pawls H and H', which are pivoted to the opposite ends of oscillating lever I, the fulcrum-pin of which carries on its overhung outer end a crank, I1, connected by pitman I2 to a crank on the fly-wheel K. Gravitating retaining-pawls g and g' are used to hold the ratchet-wheels stationary while the reciprocating pawls slide over them on their return strokes. The ily-wheel K has a bridge, K', formed upon it, to which the wrist-pin k is secured, the bridge being provided with an elongated slot, la', to permit of the radial adjustment ofthe wrist-pin, by means` of which the throw of the pitman is regulated so that the amount of movement ofthe feed-rollers at each impulse may beregulated at pleasure.
The machine may be driven by any preferred or convenient gearing. Its revolving cutter and feed-rollers are covered by suitable caps, and the cut fodder is delivered from it through a chute in the ordinary manner.
What I cla-im as my invention, and desire to secure by Letters Patent, is-
The combination, with the feed-rollers of a fodder-cutter and` iixed knife, E, of the intervening inclined surfaces j' j", substantially as e and for thepurpose specified.
In testimony whereof I have hereunto signed my name this 28th day of May, A. D. 1872, in
presence of two subscribing witnesses.
JOHN F. KELLER. Witnesses:
J. W. MISTER, WM. M. LYNCH.
US135816D Improvement in straw-cutters Expired - Lifetime US135816A (en)

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