US45798A - Improvement in reaping and mowing machines - Google Patents

Improvement in reaping and mowing machines Download PDF

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US45798A
US45798A US45798DA US45798A US 45798 A US45798 A US 45798A US 45798D A US45798D A US 45798DA US 45798 A US45798 A US 45798A
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reaping
improvement
mowing machines
arm
same
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/16Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and oscillating motion
    • 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
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18056Rotary to or from reciprocating or oscillating
    • Y10T74/18288Cam and lever

Description

T. SWAN.

Mower.-

No. 45,798. Patented Jan. 3, 1865.

UNITED STATES PATENT OFFICE.

THOMAS SVAN, OF MANLIUS, ASSIGNOR TO HIMSELF, E. B. ALVORD, A. TV. FIELD, AND JAMES OOBURN, OF SYRACUSE, NEW YORK.

IMPROVEMENT |N REAPING AND MOWING MACHINES.

Specification forming part of Letters Patent No. 45,798, datcd January 3, 1865.

T0all whom it may concern:

Be it known that I, THOMAS SWAN, of Manlius, in the county of Onondaga and State of New York, have iuvented a new and useful Improvement in Reaping and Mowing Machines; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part of this speci fication, in which Figure 1 is a side sectional view of a mowing-machine having my invention applied to it, ac x, Fig. 2, indicatihg the line of section. Fig. 2 is an inverted plan of the same; Fig. 3, a section of a portion of the same taken in the line y y, Fig. 2.

Similar letters of reference indicate like parts.

This invention relates' to a new and improved means for operating the sickle, where by a rapid movement or stroke is given the latter, and an even or uniform motion ob' tained, without the jars and concussions and consequent wear and tear which ttend the use of the Ordinary crank.

The invention also possesses the advantage of being very compact and capable of being applied at a small expense, it being composed of but few parts, as hereinafter fully described.

To enable those skilled in the art to fully understand and construct myinvention, I 'will proceed to describe it.

A represents the main frame of a mowingmachine, which may be of rectangular form, and mounted on two wheels, BB, the latter being placed loosely on their axle O, and con nected therewith when moving in a forward direction by means of pawls a on the wheels engaging with ratchets b on the axle, the pawls a slipping over the teeth of the ratchets when the wheels are turned backward, as in backing the machine.

On the axle C there is keyed a toothed wheel, D, the teeth c of which are curved at one edge, as shown at 1, the opposite edges being straight, as shown at 2. The wheel D rotates in the direction indicated by arrow 1 when the machine is being drawn forward. It does not rotate when the machine is backed,

The ends of the pallets E E opposite to the ends against which the teeth c work are connected by a rod, F, the latter being formed by a loop, f, at its center, for the axle-C to pass through. The pallet E has an arm, G, projecting from it, on the outer end of which there is fitted a swivel, H, provided with two parallel lips, g g, to receive an arbor,1, which is attached to a shaft, J, placed longitudinally in the back part of the frame A, and having a pendent arm, K, attached to its rear end, the lower end of the arm K being connected by a rod, L, to the sickle.

To the back end of the frame A there is secured a pendent.bow-shaped bar, M, having two bumpers, N N, attached to it. These bumpers may be constructed of india-rubber or other suitable elastic material, and they are placed one at each sideof the lower part of the arm K, the latter striking the same at the termination of each vibration.

From the above description it will be seen that as the machine is drawn along the toothed wheel D will vibrate the pallets E E, the teeth c, acting alternately against them, while the rod F, which connects the two pallets, insures a proper simultaneous movement of the same, by which a rocking movement is communicated to the shaft J through the medium of the arm G and arbor I, the pend ent arm K con1municating a reciprocating movement to the sickle. 'The bumpers N N A greatly aid in equalizing the movement of the sickle, causing the operating or driving parts of the same to work smoothly by preventing concussions at the termination of each stroke of K, and giving an impetus to the same at the commencement of each stroke.

I claim as new and desire to secure by Let ters Patent 1. The wheel D, provided with teeth c, curved at one side, as shown at 1, in combination with the tw0 pallets, E E, connected by the rod F, all arranged to operate substantiafly as and for the purpose heren set fo1th.

2. The rock-shaft J, provided with the pend ent amm K, and 0pemted through the n1ediun1 of the arb0r I and arm Gr when said parts a-re used, in combination with the wheel D, pal- 1ets E C, :md1od F, and LH mmuged in the manner substantially as and for the purpose set forth.

3. The elastic bumpers N N, in connection with the vbrating arm K, substantially as and for the purpose herein specified.

' \Vitnesscs:

H. S. RIOHARDSON, JOSEPH BAKER.

US45798D Improvement in reaping and mowing machines Expired - Lifetime US45798A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020161275A1 (en) * 1997-01-02 2002-10-31 Schweich Cyril J. Heart wall tension reduction apparatus and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020161275A1 (en) * 1997-01-02 2002-10-31 Schweich Cyril J. Heart wall tension reduction apparatus and method

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