Tools – Wrench – screwdriver – or driver therefor – Spanner
Patent
1986-11-28
1988-12-27
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Spanner
B25B 1350, B25B 1358
Patent
active
047932236
ABSTRACT:
A wrench capable of operating on large fasteners in confined areas includes multiple body portions which can be connected in surrounding relationship to a nut. A bar or bars can be inserted into aligned slots in the wrench and the surrounded fastener so as to engage the wrench and the fastener for wrench operation.
REFERENCES:
patent: 1542291 (1925-06-01), Economides
patent: 2386254 (1945-10-01), Meyer
patent: 2465695 (1949-03-01), Osborne
patent: 3472083 (1969-10-01), Schnepel
patent: 3498159 (1970-03-01), Wilmeth
Horne John M.
Umbaugh Daniel L.
Blish Nelson A.
Cooper Industries Inc.
Schmidt Frederick R.
Scott Eddie E.
Terrell William E.
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