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US Patent: 156,602
Ratchet-Drills
Patentee:
Henry Smith - Meridan, New Haven County, CT

USPTO Classifications:
408/121

Tool Categories:
woodworking tools : hand drills : drill accessories

Assignees:
None

Manufacturer:
Charles Parker - Meriden, CT

Witnesses:
Ralph A. Palmer
Joseph H. Beckett
J. H. Shumway
A. J. Tibbits

Patent Dates:
Applied: Oct. 15, 1874
Granted: Nov. 03, 1874

Patent Pictures:
Henry Smith patent November 3, 1874
USPTO pdf tiff
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Description:
The patent's focus is the structure of pawl and and toothed collar; the collar splined to the the head which contains the clamping arrangement to hold the drill.

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