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Patent number:
Patent Date:
US Patent: 69,399
Ratchet Drill
Improvement in Ratchet-Braces
Patentee:
William Brown (
exact
or
similar
names) - Hoboken, NJ
USPTO Classifications:
254/DIG12
,
408/121
,
74/543
,
74/575
,
74/578
,
81/60
Tool Categories:
woodworking tools
:
braces
:
ratchet braces
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
A. Le Clerc
G. W. Reed
Patent Dates:
Granted:
Oct. 01, 1867
Patent Pictures:
William Brown Pat. Oct. 1, 1867
USPTO
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Description:
The patent is for the spherical toothed surface and corresponding curved face ratchet tooth with enables the ratchet handle to work through a wide range of angles in relation to the axis of the drill. This device has no provision for reverse action.
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