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US Patent: 264,492
Claw Hammer and Screw Driver
Patentee:
John Adams Thayer (exact or similar names) - Somerville, MA

USPTO Classifications:
279/42, 7/143, 7/165

Tool Categories:
woodworking tools : hammers
screwdrivers
combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
S. N. Piper
E. B. Pratt
R. H. Eddy

Patent Dates:
Applied: Sep. 01, 1881
Granted: Sep. 19, 1882

Patent Pictures:
John A. Thayer patent September 19, 1882
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Description:
The shank is a rule, with the end shaped as a screwdriver. The handle slides on the shank, and grips with a chuck. The end of the handle has a slotted cap to allow it to slide over the shank to expose the screwdriver. The end cap also unscrews to uncover a tack claw on the end of the handle. The specifications contrast this arrangement to Thayer's June 24, 1862 patent (no. 35,715), which uses a set screw to hold the handle to the shank, and has the tack claw formed on the hammer head.

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