US174453A - Improvement in spikes for thrashing-machines - Google Patents

Improvement in spikes for thrashing-machines Download PDF

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Publication number
US174453A
US174453A US174453DA US174453A US 174453 A US174453 A US 174453A US 174453D A US174453D A US 174453DA US 174453 A US174453 A US 174453A
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Prior art keywords
thrashing
machines
spikes
improvement
steel
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Expired - Lifetime
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D33/00—Accessories for digging harvesters
    • A01D33/06—Haulm-cutting mechanisms
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49448—Agricultural device making

Definitions

  • the invention consists in spikes for thrashing-machines, formed of malleable or wrought iron, faced with steel upon their forward edges and heads, as hereinafter fully described.
  • the body and shank of the spike A is made of malleable iron, and it is laced upon the forward edge, or upon the forward edge and head, with steel a. This leaves the shank soft, so that it may be readily fitted intothe hole in the cylinder or concave, and may have the screw-thread readily out upon it, and in wear combine the advantages of the toughness of the iron and the hardness of the steel.
  • the spike is formed by laying a piece of steel upon a piece of wrought or malleable iron, and may be Welded, dropped, trimmed, and hardened at one heat. Spikes thus formed will be much stronger, and will last much longer, than when made without the steel fac- 1ng.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Scissors And Nippers (AREA)

Description

C. WILD'E.
SPI KES FQR THRASHING MACHINES.
Patented March 7,1876.
. WITNESSES:
monuivs.
N.PETERS, PHOTO-LITHQGRAPHER, WASHINGTON. D C
UNITED STATES- PATIENT QFFICE,
CHRISTOPHER WILDE, OF CANTON, OHIO.
0 IMPR'OVEMENT'IN SPIKES FOR THRASHlNG-MACHINES.
Specification forming part of Letters Patent No. 174,453, dated March 7, 1876; application filed January 3, 1876.
improved spikes or teeth for thrashing-machines where they will be subject to great wear, which shall be so constructed as to wear much longer than when constructed in the ordinary way. The invention consists in spikes for thrashing-machines, formed of malleable or wrought iron, faced with steel upon their forward edges and heads, as hereinafter fully described.
A represents a spike or tooth of a thrashing-machine. The body and shank of the spike A is made of malleable iron, and it is laced upon the forward edge, or upon the forward edge and head, with steel a. This leaves the shank soft, so that it may be readily fitted intothe hole in the cylinder or concave, and may have the screw-thread readily out upon it, and in wear combine the advantages of the toughness of the iron and the hardness of the steel.
The spike is formed by laying a piece of steel upon a piece of wrought or malleable iron, and may be Welded, dropped, trimmed, and hardened at one heat. Spikes thus formed will be much stronger, and will last much longer, than when made without the steel fac- 1ng.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- I A spike for thrashing-machines, formed of malleable or wrought iron, faced with steel upon its forward edge and head, either or both, substantially as herein shown and described.
GHRISTOPHER WILDE.
US174453D Improvement in spikes for thrashing-machines Expired - Lifetime US174453A (en)

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