Device for coupling and releasing a daisy wheel type member

Details Device for coupling and releasing a daisy wheel type member Device for coupling and releasing a daisy wheel type member

1982-04-08

1983-06-21

Burr, Edgar S.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Including type-faces movable relative to type-face-carrier

400175, B41J 124

Patent

active

043891306

ABSTRACT:
A typewriter (not illustrated) using a daisy wheel as the type carrying member and having a unit which drives the daisy wheel element to rotate about its axis and a device for coupling the daisy wheel element onto the drive unit.
The coupling device substantially comprises a pin which engages a hole in the daisy wheel element; first resilient means carried by the unit and operable to transmit to the daisy wheel element an axial thrust in a first direction; second resilient means operable to transmit to the daisy wheel element an axial thrust in a direction opposite the thrust generated by the first mentioned means; and manual control means which act on the said second resilient means in such a way as to compensate, if actuated, the thrust generated by such second resilient means.

REFERENCES:
patent: 3983985 (1976-10-01), Guerrini et al.
patent: 4036348 (1977-07-01), Guerrini
patent: 4124312 (1978-11-01), Johnson
patent: 4127335 (1978-11-01), Bogert
Xerox Disclosure Journal, vol. 4, No. 2, Mar./Apr. 1979, pp. 175-176 "Print Wheel Removal Assist Means" by Frechette.

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