Keyless chucking device

Details Keyless chucking device Keyless chucking device

1992-03-20

1993-03-30

Bishop, Steven C.

Chucks or sockets

Accessory or component

Chuck key

279902, 81 16, B25B 1344

Patent

active

051977494

ABSTRACT:
A keyless chucking device for use with existing and specially-designed chucks mounted on rotary power tools to cause the chuck's jaws to grip or release auxiliary tools such as drill bits. The device is especially suited for use with variable speed, reversible, electric drills and promotes speed and efficiency in tool chucking operations. In a preferrred embodiment, the device may alternatively, at the discretion of the operator, be attached to, or removed from, the chuck of the power tool during its use in operations commonly encountered in the practice of the art.

REFERENCES:
patent: D277160 (1985-01-01), Antone
patent: 2684856 (1954-07-01), Stoner
patent: 3038178 (1962-06-01), Schumacher
patent: 4095811 (1978-06-01), Cohen
patent: 4277074 (1981-07-01), Kilberis
patent: 4317578 (1982-03-01), Welch
patent: 4323324 (1982-04-01), Eberhardt
patent: 4389146 (1983-06-01), Coder
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patent: 4460296 (1984-07-01), Sivertson
patent: 4498682 (1985-02-01), Glore
patent: 4682918 (1987-07-01), Palm
patent: 4844488 (1989-07-01), Flynn
patent: 4915555 (1990-04-01), Smothers
patent: 5011343 (1991-04-01), Saban et al.

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