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US Patent: 185,486
Screw-Driver
Patentee:
Charles H. Bush - Fall River, MA

USPTO Classifications:
81/489

Tool Categories:
screwdrivers : screwdriver handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. W. Moeller
S. W. Piper
R. H. Eddy
J. R. Snow

Patent Dates:
Applied: Oct. 16, 1876
Granted: Dec. 19, 1876

Patent Pictures:
Charles H. Bush Pat. Dec. 19, 1876
USPTO pdf tiff
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Description:
The handle has a "lubricant-reservoir" to hold grease, soap or tallow to lubricate screws to be driven into hardwoods. The reservoir is a hole covered with a metal cap that has a hole in the center to insert the threaded end of a screw.

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