US34076A - Improvement in straw and hay cutters - Google Patents

Improvement in straw and hay cutters Download PDF

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US34076A
US34076A US34076DA US34076A US 34076 A US34076 A US 34076A US 34076D A US34076D A US 34076DA US 34076 A US34076 A US 34076A
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bar
straw
improvement
hay
frame
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D31/00Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
    • B23D31/002Breaking machines, i.e. pre-cutting and subsequent breaking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/003Cutting work characterised by the nature of the cut made; Apparatus therefor specially adapted for cutting rubber
    • B26D3/005Cutting work characterised by the nature of the cut made; Apparatus therefor specially adapted for cutting rubber for cutting used tyres
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/444Tool engages work during dwell of intermittent workfeed
    • Y10T83/4539Means to change tool position, or length or datum position of work- or tool-feed increment
    • Y10T83/4541With means to vary magnitude of work-feed increment
    • Y10T83/4556By adjustment of fixed stop
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/444Tool engages work during dwell of intermittent workfeed
    • Y10T83/4582Work advance occurs during return stroke of tool
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/444Tool engages work during dwell of intermittent workfeed
    • Y10T83/4645With means to clamp work during dwell
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/647With means to convey work relative to tool station
    • Y10T83/6579With means to press work to work-carrier
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/647With means to convey work relative to tool station
    • Y10T83/6584Cut made parallel to direction of and during work movement
    • Y10T83/6633By work moving flexible chain or conveyor
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/647With means to convey work relative to tool station
    • Y10T83/6668Interrelated work-feeding means and tool-moving means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/748With work immobilizer
    • Y10T83/7487Means to clamp work
    • Y10T83/7533With biasing or counterbalancing means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/869Means to drive or to guide tool
    • Y10T83/8821With simple rectilinear reciprocating motion only
    • Y10T83/8841Tool driver movable relative to tool support
    • Y10T83/885Fixed axis lever

Description

s. c. sTETs-ON.

Straw Cutter. No. 34,076. Patented 1an. 7,1862.

a c? v l' Il o7 g l t d d fyi UN'ITED STATES PATENT OEEICE.

S. C. STETSON, OF NORTH BRIDGE'WATER, MASSACHUSETTS.

IMPROVEMENT IN STRAW AND HAY CUTTERS.

Specification forming part of Letters Patent No. 34,076, dated January '7, 1862.

To all whom it may concern.-

Be it known that I, S. C. STETSON, of North Bridgewater, in the county of Plymouth and State of Massachusetts, have invented certain new and useful Improvements in Machines for Cutting Hay, Straw, &c.; and I do hereby declare that the following description, taken in connection with the accompanying drawings, hereinafter referred to, forms a full and exact specification of the same, wherein I have set forth the nature and principles of my said improvements, by which my invention may be distinguished from all others of a similar class, together with such parts as I claim and desire to have secured to me by Letters Patent.

The figures of the accompanyingl plate of drawings represent my improvements.

Figure lis a side elevation. Fig. 2 is a plan or top view. Fig. 3 is a central longitudinal vertical section. Fig. t is an end View. Fig. 5 is a transverse vertical section. Fig. 6 is a detail view.

The design of my invention is to so construct a machine for cutting straw, hay, &c., as to render it self-feeding-that is, so that the operators Aduty will be simply to perform the cutting movement. In my improved machine the material' to be cut is fed along to the knife or knives b means of a travelin' b apron, which is actuated by the same movement that operates the cutting devices. The means employed for effecting the cutting and feeding operations are so arranged with regard to each other that the material to be cut is held stationary while the knife is performing its work. I have also made otherim provements, that will be hereinafter fully explained.

acta in the drawings represent the supporting frame-work of the machine. l

b b is an endless apron passing around two rollers c d, one placed at each end of the machine. To tighten the apron Z9 b when it becomes stretched and loose, the roller c has its bearings in movable boxes or journals e and f, Figs. 2 and 3, actuated so as to be moved back and forth at pleasure by set-screws g g.

The endless apron is fed along as follows: Upon the end of the journal of the roller d is a ratchet-wheel h, Fig. 1, with which engages the teeth of a right-angular bar 'L' 7c. In the short arm k of the bar t' k is a stud or pin Z, which travels in a slot m in a fixed plate fn, the stud Z serving to guide the bar z' 7c in its up and down motions that it receives, as follows: The cutting devices are composed of two knives o o, placed at any suitable angle with regard to each other, as shown in Fig. 4, and secured in a frame p p, that moves in guiding-ways q q. o r is an arm attached to the apex of the knife-frame by a pivot-joint s, and turning upon a center at t. The arm r r terminates in a handle u and moves in a way o Q), formed in the frame-work of themachine. Thus it will be seen that when the handle u is raised the arm rr will abut against the end of the arm 7c, and thus through the teeth on the lower end of the arm hand the ratchet-wheel h give an intermittent rotary motion to the roller d, and consequently impart a feeding motion to the endless a` ron b Z7.

The cutting operation is performec simply by the downward movement of the handle u, the material to be cut resting upon a bedo c and acted upon by the knives o o, and the apron b b remaining stationary from the fact that the teeth upon the bar z' 7c will, by the dropping of the said bar in consequence of the downward movement of the handle, slip freely over the teeth of the ratchet-wheel 7L.

The length of the feeding movement imparted to the apron b b can be varied at pleasure, so that the substances to be operated upon can be cut in greater or less lengths by means of a grooved bar w, which can be raised or lowered, as desired, and then fastened by means of a set-screw w', the short arm k of the bar i 7c resting upon the top of the grooved bar w, so that the stroke of the bar i k, and consequently the extent of rotation of the ratchet-wheel h, will be regulated by the position of the bar w.

x Fig. 6, is apressure-roller, hung in suitable bearings on a frame or bar y y, which frame or bar is hung at any suitable point upon the frame-work ce c. d so as to swing freely thereon. By this arrangement the material that is being fed along upon the apron h b will pass under and be held down thereon by the roller a; fr, which from the peculiar way in which it is hung will exert a yielding pressure upon the straw, hay, disc., and keep it firmly held While the knives are cutting. Moreover, the bar or frame y y, from its inclined position, will act as a guide to keep the straw or hay from riding up, and Will guide it downward to the roller x. v

In lieu of the roller :c and its swinging bar or frame y y, a roller a', Fig. 3, may be used, hung in a vertically-placed plate b', that may travel in Vertical Ways c c', so as to be free to move up and down and exert a yielding pressure upon the material to be out. The downward pressure of the rollers or LL may, if desirable, be increased by suitable springs acting upon their bearings.

Having thus described my improvements, I shall state my claim, as follows:

The arrangement of the right-angular bar fa' 7c, ratchet-wheel h, and bar w, operating together as described.

S. C. STETSON.

Witnesses:

FRED. HANSON, MARCUS M. HOLMES.

US34076D Improvement in straw and hay cutters Expired - Lifetime US34076A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196548A (en) * 1978-04-10 1980-04-08 Hahn Norman G Sanding apparatus
US20030054588A1 (en) * 2000-12-07 2003-03-20 Reflectivity, Inc., A California Corporation Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196548A (en) * 1978-04-10 1980-04-08 Hahn Norman G Sanding apparatus
US20030054588A1 (en) * 2000-12-07 2003-03-20 Reflectivity, Inc., A California Corporation Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates

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