Film cassette with latching device to prevent separation of cass

Details Film cassette with latching device to prevent separation of cass Film cassette with latching device to prevent separation of cass

1994-05-13

1996-06-04

Jillions, John M.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

220306, 220326, G03B 1726

Patent

active

055225632

ABSTRACT:
A film cassette comprises a pair of housing parts, and a flexibly movable latching hook located on one of the housing parts and a rigid latching catch located on the other housing part which can engage to secure the two housing parts together. According to the invention, a backer projects from one of the housing parts into abutment with the latching hook, when the latching hook and the latching catch are engaged, to prevent the latching hook from moving out of engagement with the latching catch in response to a mechanical shock being applied to the film cassette.

REFERENCES:
patent: 3617013 (1971-11-01), Ainslie
patent: 3648952 (1972-03-01), Bundschuh
patent: 3945584 (1976-03-01), Mangan
patent: 4160605 (1979-07-01), Neubaum
patent: 4294418 (1981-10-01), Gell
patent: 4420120 (1983-12-01), Raymond
patent: 5131558 (1992-07-01), Hiromori
patent: 5193759 (1993-03-01), Bigelow
patent: 5251839 (1993-10-01), Zander et al.
patent: 5346081 (1994-09-01), Lin

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