Bobbin chuck

Details Bobbin chuck Bobbin chuck

1979-07-12

1980-11-11

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 5454

Patent

active

042328357

ABSTRACT:
An improved collet type bobbin chuck which uses mating tapered surfaces to produce radial gripping of the bobbins without dependence on centrifugal force. Air pressure supplied to the chuck is used to release the bobbin and movable seals within the chuck are used for containing or releasing air as the chuck goes from a bobbin releasing to a bobbin gripping mode, respectively.

REFERENCES:
patent: 2647701 (1953-08-01), Cannard
patent: 2957393 (1960-10-01), Kampmeier
patent: 3462092 (1969-08-01), Mullins
patent: 3493189 (1970-02-01), Seay
patent: 3494565 (1970-02-01), Mullins
patent: 3495781 (1970-02-01), Graf et al.
patent: 3517891 (1970-06-01), Zeis et al.
patent: 3593934 (1971-07-01), Conrad et al.
patent: 3596847 (1971-08-01), Peterson
patent: 3645466 (1972-02-01), Karlson
patent: 3700249 (1972-10-01), Allam
patent: 3722808 (1973-03-01), Brown
patent: 3977616 (1976-08-01), Owens et al.
patent: 4067511 (1978-01-01), Hermanns
patent: 4068806 (1978-01-01), Moser et al.
patent: 4093137 (1978-06-01), Briar et al.
patent: 4103833 (1978-08-01), Hasegawa et al.

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