Advancing material of indeterminate length – Threading device – With means to pull lead-end
Patent
1976-02-23
1977-09-13
Schacher, Richard A.
Advancing material of indeterminate length
Threading device
With means to pull lead-end
81 3R, 294 34, G03B 156
Patent
active
040476537
ABSTRACT:
Device for retrieving the free end of a roll of film from a film cartridge; curved inner and outer jaws are movable with respect to one another. The operation involves inserting the jaw ends into the cartridge, rotating the film within the cartridge until the free end is between the jaw ends, and grasping the film with the jaw ends.
REFERENCES:
patent: 2777725 (1957-01-01), Weir
patent: 3141695 (1964-07-01), Furber
patent: 3261237 (1966-07-01), Sentiff
patent: 3864993 (1975-02-01), Hovkind
Blodgett Gerry A.
Blodgett Norman S.
Schacher Richard A,.
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