Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Cartridge system
Patent
1997-03-24
2000-10-24
Nguyen, John Q.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Cartridge system
2423483, 2423484, 2425642, 396661, G03B 2302
Patent
active
061353787
ABSTRACT:
A simple and compact apparatus for removing film from a film magazine includes a film slot opening/closing mechanism which is operated by a film slot opening/closing lever, and a spool driving shaft which is turned by a spool revolving knob. The apparatus further includes a film releasing mechanism. The mechanism has a structure such that a film releasing jig is inserted into a cartridge loaded with a film magazine through the film outlet slot of the cartridge by operating a film releasing jig lever.. The apparatus is used with a film magazine whose spool shaft has a film engagement claw therein. A hole formed in the tail end of film is engaged with the engagement claw. When the film releasing jig is inserted into the cartridge, the film is disengaged from the engagement claw. The film slot opening/closing lever, spool revolving knob, and film releasing jig lever are operated manually.
REFERENCES:
patent: 3258216 (1966-06-01), Wren
patent: 5439186 (1995-08-01), Merle et al.
patent: 5465920 (1995-11-01), Merle et al.
Nguyen John Q.
Noritsu Koki Co., Ltd.
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