Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1977-04-05
1978-09-05
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 721, 242 683, G03B 104, B65H 7518
Patent
active
041113799
ABSTRACT:
A cassette for feeding unexposed photographic film to or receiving exposed film for an automatic printer. The cassette having a light tight casing in which is a hub for receiving either a spool of unexposed film or taking up exposed film fed to it through the opening in the casing. The hub is mounted on a shaft which extends from the casing and carries a brake disc engageable with a brake band mounted inside the casing and a slider which is disposed outside the casing. The shaft is rotatably mounted in a plate movable within the casing to disengage the brake disc from the brake band when the slider on the shaft engages guide bars on the delivery side of the printer. Flaps are provided inside the casing which pivot to a position about the hub by thrust rods operated by means on the take-up side of the printer to guide exposed film on to the hub which is driven by a drive on the printer engaging a pulley mounted on the shaft adjacent the slider and external to the casing.
REFERENCES:
patent: 2469008 (1949-05-01), Simmon
patent: 2943805 (1960-07-01), Loewe
patent: 3027111 (1962-03-01), Redfield
patent: 3124319 (1964-03-01), Cohen
patent: 3544027 (1970-12-01), Green
patent: 3549106 (1970-12-01), Stark
patent: 3807840 (1974-04-01), Cook
patent: 4004752 (1977-01-01), Kamaya
Gretag Aktiengesellschaft
McCarthy Edward J.
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