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US Patent: 835,900
Hoof Trimmer
Warren S. Casterlin - Owego, Tioga County, NY

USPTO Classifications:
30/193, 30/252, 30/349

Tool Categories:
agricultural tools : hoof trimmers
trade specific : farrier


Not known to have been produced

Fred C. Hill
G. C. Casterlin
Edwin L. Yewell
C. D. Davis

Patent Dates:
Applied: Aug. 22, 1906
Granted: Nov. 13, 1906

Patent Pictures:
Warren S. Casterlin patent Nov. 13, 1906
USPTO pdf tiff
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Adjustable compound leverage for the jaws accomplished by adjustable eccentric bearings. Replaceable jaw tips held firmly by bolts and "seats" in the jaw structure.

The CASTERLIN Hoof Trimmer available in 1902 was more clearly based on patent no. 707,822. CASTERLIN TOOL WORKS was advertising in Blacksmith & Wheelwright in the early 20th Century.

The provisions for compound leverage and replaceable jaw faces are similar to Casterlin's earlier patents for tongs (Pat. no. 638,378) and wrenches (Pat. no 791,245).

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