Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1978-07-18
1980-04-15
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
250468, G03B 1726, G11B 100
Patent
active
041980093
ABSTRACT:
Day-light loading cassette for film sheets particularly X-ray film sheets, having fixed back and front panels in which the sheet is retained against the front of the cassette by a spring loaded pressure plate which can be released or engaged by a bell crank and roller mechanism set into action by pushing or releasing a spring loaded actuating bar.
REFERENCES:
patent: 2056279 (1936-10-01), Kulick
patent: 2374038 (1945-04-01), Ress
patent: 3715087 (1973-02-01), Schmidt
patent: 3743200 (1973-07-01), Hommerin
patent: 3784835 (1974-01-01), Schmidt
patent: 3836783 (1974-09-01), Stievenart
patent: 3930165 (1975-12-01), Robinson
patent: 3961760 (1976-06-01), Arnoldussen
Ciba-Geigy AG
Falber Harry
McCarthy Edward J.
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