Squeeze roller retraction assembly

Details Squeeze roller retraction assembly Squeeze roller retraction assembly

1976-01-09

1977-11-01

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

1525652, 118652, 355 15, G03G 1510, G03G 2100

Patent

active

040563154

ABSTRACT:
A squeeze roller retraction assembly for use with electrophotographic copying machines of the type in which a photosensitive drum is removable from the machine, for inspection or other purposes, through an opening formed in a sidewall which opening is normally covered by a coverplate. A squeeze roller which normally engages with the peripheral drum surface has its engagement therewith automatically released once the coverplate has been dismounted from the sidewall, and also is returned to its operative position as the coverplate is remounted, to thereby prevent damage of the drum as well as a wrong usage of the machine which may be caused by forgetting to replace the squeeze roller to the operative position.

REFERENCES:
patent: 3671119 (1972-06-01), Engel et al.
patent: 3689146 (1972-09-01), Ito et al.
patent: 3792925 (1974-02-01), Milligan et al.
patent: 3907423 (1975-09-01), Hayashi et al.
Oldenboom; D. J.; "Electromechanical Transfer Mechanism," IBM Technical Disclosure Bulletin, vol. 1, No. 3, Oct. 1958, pp. 4-5.
Davidge et al.; "Force Loaded Cleaning Station" IBM Technical Disclosure Bulletin, vol. 16, No. 4, Sept. 1973, pp. 1265-1266.

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