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US Patent: 170,768
Improvement in Screw Cutting Dies
Patentee:
Virginius J. Reece (exact or similar names) - Greenfield, MA

USPTO Classifications:
33/199R, 408/156, 408/179

Tool Categories:

Assignees:
None

Manufacturer:
Reece Bros. - Greenfield, MA

Witnesses:
Louis M. Childs
Chas. N. Payne

Patent Dates:
Applied: Nov. 06, 1875
Granted: Dec. 07, 1875

Patent Pictures:
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Report data errors or omissions to steward Russ Allen.
Description:
Patent is for the use of a set screw acting on the spreading pin on the die to allow different dies to be used by the same die stock. Actual example does not utilize the set screw and instead features a spreading pin and a single holding screw in the die stock.

Known example is marked REECE BROS./GREENFIELD MASS on the die stock handle, and REECE'S IMPROVED SCREW PLATE on the die holder. Individual dies are marked PAT'D, DEC.7.1875

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