Tools – Wrench – screwdriver – or driver therefor – Spanner
Patent
1997-10-09
2000-06-20
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Spanner
81461, 7138, B25B 1348
Patent
active
06076435&
ABSTRACT:
A tool for multiple purposes including turning valve wheels, opening drum plugs and vents, driving sockets, turning screws, use as a drift pin and prying, among other possible uses, the tool having a handle and an exterior shank and an interior shank, each shank having a square cross section and being in a spaced relationship and parallel to one another located at one end of the handle, the opposite end of the handle having an edge and the handle being tapered, the interior shank which is located furthest from the end of the handle having an outer end with a reduced size set off center so that the wall of that shank toward the edge is aligned along the entire interior shank.
REFERENCES:
patent: 423288 (1890-03-01), Tefft et al.
patent: 1531001 (1925-03-01), Graves
patent: 2291846 (1942-04-01), Taylor
patent: 2742804 (1956-04-01), Chase et al.
Becker Gregory R.
Rapoport Mitchell I.
White, Sr. Andrew C.
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