Hollow core chucking device

Details Hollow core chucking device Hollow core chucking device

1976-08-31

1977-08-30

Simpson, Othell M.

Chucks or sockets

Expanding

Collet type

82 44, 242 684, 269 481, B23B 3140, B65H 7524

Patent

active

040450384

ABSTRACT:
The chucking device of the present invention comprises a tapered chuck plug with an elongated slot formed in the tapered end thereof into which a pair of core engaging chuck dogs are mounted. The chuck dogs are normally spring biased into a retracted position within the confines of the chuck plug but can be mechanically actuated to project from their slot outside the confines of the chuck plug to firmly grip the insides of a hollow core.

REFERENCES:
patent: 859492 (1907-07-01), Forsberg
patent: 1402060 (1922-01-01), Fisher
patent: 1411292 (1922-04-01), Mueller
patent: 3430887 (1969-03-01), Elsner et al.

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