Tools – Wrench – screwdriver – or driver therefor – Spanner
Patent
1986-08-21
1988-01-12
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Spanner
81407, 81416, B25B 1348
Patent
active
047183179
ABSTRACT:
A hose coupling wrench apparatus includes first and second movable wrench members, each having a handle and an arcuate arm attached thereto. The arcuate arms of each wrench member have arcuate slots therein, and each has a hose coupling engaging portion on each end of each arcuate arm. A slider member connects the two arcuate wrench portions together in a predetermined spaced relationship to each other to allow the wrench portions to slide one relative to the other. The slider member has a pair of curved sliding blocks on each end thereof, with each block sliding in the slot of one wrench portion and supported on one side of the arm by the slider member and on the other by fastening members. The hose coupling wrench can engage hose coupling sections with each movable wrench member. One wrench member can be moved relative to the other to couple or uncouple a hose coupling.
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patent: 258636 (1881-03-01), Boyko
patent: 378229 (1888-02-01), Finch
patent: 455606 (1891-07-01), Byrne
patent: 755569 (1904-03-01), Freeland
patent: 1040982 (1912-10-01), Ingerham
patent: 1402391 (1922-01-01), Baldus
patent: 1406331 (1922-02-01), Bartelt
patent: 1406531 (1922-02-01), Brown
patent: 1708147 (1929-04-01), Miller
patent: 2375270 (1945-05-01), Yonkers
patent: 2599489 (1952-06-01), Schmidt
patent: 3156141 (1964-11-01), Pluntz
patent: 3833953 (1974-09-01), Fisher
patent: 4478532 (1984-10-01), Puro
Hensler Roy F.
Hobby III William M.
Schmidt Frederick R.
Vaught Bradley I.
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