Patent
1992-05-28
1993-08-17
Rutledge, D.
G03D 1302
Patent
active
052373614
ABSTRACT:
A dispenser of film units is operative with a film processing apparatus enclosed within a housing. The housing includes a front sidewall having an exit slot for the delivery of film units, the dispenser including a film ejection device located behind the slot for ejecting film units out of the housing via the slot. The ejection device may include rotating pressure rolls which may also serve a function in the film processing. The dispenser includes a catcher constructed of a four-bar mechanical linkage, and includes a spring urging the catcher from an extended state away from the sidewall to a retracted state contiguous to the sidewall. The catcher is supported pivotally by a strut assembly which pivots from the sidewall and connects to pivots on both the catcher and the sidewall. A flap interconnects the tray with the sidewall. An articulation pivot permits a folding of the flap against the tray during retraction of the catcher. Force exerted by an exiting film unit overcomes the retractive spring force to deflect the tray to the extended catcher state. A pair of flexible hooks in the tray rotate so as to hold side edges of the film units flat against the tray and so as to prevent a folding of the flap against the tray. Retraction is inhibited by the presence of the film unit in the catcher, and proceeds automatically by removal of the film unit from the catcher tray.
REFERENCES:
patent: 4800400 (1989-01-01), Douglas
patent: 4847632 (1989-07-01), Norris
patent: 4985714 (1991-01-01), Norris
Cardoos, Jr. Nicholas
Norris Philip R.
Polaroid Corporation
Roman Edward S.
Rutledge D.
Veseli Ralph R.
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