US Patent: 2,185,910
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Screw Driver Screw Gripping Screwdriver
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Patentee:
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Seth J. Cox (exact or similar names) - Franklin, PA |
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Patent Dates:
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Applied: |
Aug. 14, 1937 |
Granted: |
Jan. 02, 1940 |
Patent Pictures:
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Steve Gosselin
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Description: |
This Patent relates to the use of one hand to grip and un- grip the screw by the addition of jaw adjusting slide.This is a an improvement on Patent 1562543 , which is am improvement on Patent 1412550. Samples marked,"S.J.Cox,Franklin,PA. Pat.No.1562543 on the handle ferrule as well as "Pat.2185010.Jan'04" on the jaw adjusters. Interestingly the Patent number is wrong, it be longs to a optical comparator. |
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