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US Patent: 814,020
Hand-Controlled Tool
Convertible Tool Handle
Patentee:
Harlon A. Clifford (exact or similar names) - Millers Falls, MA

USPTO Classifications:
112/80.03, 24/20CW, 279/76, 279/93, 403/328, 81/177.2, 81/3.33, 81/436, 81/439

Tool Categories:
screwdrivers : screwdriver handles
woodworking tools : hand drills : drill accessories

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank N. Conant
J. Harrison Conant

Patent Dates:
Applied: May 19, 1905
Granted: Mar. 06, 1906

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
This is a tool handle intended for use with screwdriver bits, gimlet bits, etc. In one position, the internal stock locks into the handle, allowing the bit to be driven by the handle. In another position, it can be mounted in a brace, and the stock and bit rotate within the handle while being driven by the brace.

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