Winding – tensioning – or guiding – Convolute winding of material – With particular material connection to take-up
Patent
1995-09-26
1997-01-28
Stodola, Daniel P.
Winding, tensioning, or guiding
Convolute winding of material
With particular material connection to take-up
2423481, 2425326, 2425841, G03C 300
Patent
active
055971318
ABSTRACT:
A method and apparatus for attaching a film to a spool. A cassette shell rotatably contains the spool and the roll of the photo film. Two retaining holes are formed in a trailer of the photo film. A slot is formed in the spool, in an axial direction of the core, receives the trailer, and has a first rigid wall and a second flexible wall. Two retaining hooks are projected from the rigid wall, and are fitted in the respective retaining holes to retain the trailer in the slot. Two preventive ridges are projected from the flexible wall, and avoid disengagement of the retaining holes from the retaining hooks. The trailer is inserted through a passage mouth of the cassette by an insertion device and firmly secured on the core. The flexible wall has a gap, and defines two flap portions such that an original form is recoverable resiliently. The preventive ridges are disposed on the respective flap portions.
REFERENCES:
patent: 3586258 (1971-06-01), Horlezeder
patent: 5165619 (1992-11-01), Tanaka et al.
patent: 5357303 (1994-10-01), Wirt
patent: 5360183 (1994-11-01), Takahashi et al.
patent: 5439186 (1995-08-01), Merle et al.
patent: 5465920 (1995-11-01), Merle et al.
patent: 5476232 (1995-12-01), Kataoka et al.
Fuji Photo Film Co. , Ltd.
Rivera William A.
Stodola Daniel P.
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