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Tractor-type stock feed
United States Patent 2797798
US Patent References:
Power transmitting mechanism
- - 2281875
Work conveying apparatus
- - 2288612
Board feed for woodworking machines
- - 2387446
Apparatus for cold reducing metal bars
- - 2642280
Traction roll
- - 2696907
Inventors:
William, Hallden Karl
Publication Date:
07/02/1957
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Download PDF 2797798
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Assignee:
HALLDEN MACHINE COMPANY
Primary Class:
226/172
International Classes:
B21C1/30
;
B21C1/16
US Patent References:
2736425
Flying traction vise