Keyless tool chuck

Details Keyless tool chuck Keyless tool chuck

1985-05-24

1987-06-02

Desmond, Eugene F.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 1K, 279 60, 279 62, 408124, B23B 3106

Patent

active

046699325

ABSTRACT:
A keyless tool chuck is disclosed which may be used with most power tools having standard chucks. The jaws of the chuck are displaced and retracted by controlling the rotation of a threaded collar which surrounds the jaws relative to the rotation of the tool shaft and the jaws. This rotation is controlled by displacing a plate so as to control rotation of the collar in a first embodiment. In a second embodiment, rotation of the chuck collar is controlled by a clutch means, and in a third embodiment the rotation of the chuck collar is controlled relative to the jaws by means of vanes which are inserted into a grooved cylinder attached to the chuck collar.

REFERENCES:
patent: 3970323 (1976-07-01), Schnizler
patent: 4016941 (1977-04-01), Sanders
patent: 4277074 (1981-07-01), Kilberis
patent: 4317578 (1982-03-01), Welch
patent: 4323324 (1982-04-01), Eberhardt
patent: 4358230 (1982-11-01), Rohlin
patent: 4460296 (1984-07-01), Sivertson, Jr.
patent: 4526497 (1985-07-01), Hatfield

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