Tools – Wrench – screwdriver – or driver therefor – Attachment – or including adjunct or replaceable portion
Patent
1980-07-07
1982-09-14
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Attachment, or including adjunct or replaceable portion
81 90D, B25B 1358
Patent
active
043489222
ABSTRACT:
A key wrench for turning a valve cross head at a bottom of a stop box of water supply service line toward a house, the wrench including a tubular opening therethrough for a line of sight to the crosshead, electric lamps near the wrench jaws so to light up the cross head, and a magnifying unit on the wrench for enlarging the crosshead view.
REFERENCES:
patent: 2116770 (1938-05-01), Scillia
patent: 2134081 (1938-10-01), Gaede
Harris Albert
Spector George
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