Advancing material of indeterminate length – By intermittent material-mover – Comprising material-moving roll
Patent
1989-02-10
1990-02-20
Mathews, A. A.
Advancing material of indeterminate length
By intermittent material-mover
Comprising material-moving roll
354298, 354321, 354322, 354339, 226108, 226113, 226118, G03B 2732, G03D 313
Patent
active
049031007
ABSTRACT:
An apparatus handles and transports long strip materials between a first processing section, with a first transporting roller assembly which transports a long strip material lengthwise at a first speed therein, and a second processing section with a second transporting roller assembly which transports the long strip material lengthwise at a second speed different from the first speed, the strip material passing through a reservoir section with a guide member disposed between the first and second processing sections for temporarily reserving the long and narrow strip material therein in the form of a loop. The long strip material handling apparatus includes a speed changing mechanism for changing the speed of lengthwise transportation of the long strip material to the first or second speed before the leading end of the long strip material passes through the second transporting roller assembly when the second transporting roller assembly first threads the leading end of the long strip material, and a leader sensor for detecting the leading end of the threaded long strip material to provide a signal in response to which the speed changing mechanism is deactuated.
REFERENCES:
patent: 4115817 (1978-09-01), Suzuki et al.
patent: 4260234 (1981-04-01), Burton
patent: 4639118 (1987-01-01), Kogane et al.
patent: 4837601 (1989-06-01), Nakane et al.
Kimura Tsutomu
Kogane Mikio
Fuji Photo Film Co. , Ltd.
Mathews A. A.
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