Chucks or sockets – Accessory or component – Chuck key
Patent
1993-05-17
1994-07-26
Bishop, Steven C.
Chucks or sockets
Accessory or component
Chuck key
81 16, 8117785, 279149, B25B 1344
Patent
active
053322401
ABSTRACT:
A drill chuck key tool including at one end a gear and pin element for engaging a drill chuck collar and at the opposite end a socket configured for releasable receipt of a ratchet wrench drive lug for application of the mechanical advantages provided by a socket wrench to such tool.
REFERENCES:
patent: 2483662 (1949-10-01), Niederhiser
patent: 2552694 (1951-05-01), Stoner
patent: 2936010 (1960-05-01), Ansingh
patent: 3165325 (1965-01-01), Goepfrich
patent: 3869943 (1975-03-01), Buck
patent: 4095917 (1978-06-01), Wesner
patent: 4186933 (1980-02-01), Derbyshire
patent: 4356852 (1982-11-01), Smith
patent: 4462728 (1984-07-01), Sturgis
patent: 4631783 (1986-12-01), Hayashi
patent: 4781083 (1988-11-01), Cummings
patent: 4984844 (1991-01-01), Tekeyan
patent: 5180175 (1993-01-01), Doolittle
Armstrong Bros. Tool Co. Catalog, p. 66, 1973.
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