Tools – Wrench – screwdriver – or driver therefor – Wheel or endless track operated
Patent
1979-07-12
1980-12-09
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Wheel or endless track operated
81 90D, B25B 1348
Patent
active
042377544
ABSTRACT:
A universal spud wrench designed for rapid installation and removal of all types of spuds from drains, etc., including a tubular shaft having four perpendicularly oriented sloped surfaces forming slots, and aligned extensions adjacent said slots which are defined by differing diameters about a central axis.
REFERENCES:
patent: 2956461 (1960-10-01), Anderson
patent: 3086414 (1963-04-01), Nardi
patent: 3156141 (1964-11-01), Pluntz
Bissell Henry M.
Smith James G.
Troutt Raymond
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