Apparatus for introducing strip-shaped material into cassettes o

Details Apparatus for introducing strip-shaped material into cassettes o Apparatus for introducing strip-shaped material into cassettes o

1982-09-14

1985-10-01

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 76, 242195, 242198, G03B 2758

Patent

active

045441103

ABSTRACT:
Apparatus for convoluting a web of photographic paper issuing from a copying machine onto a core of a cassette which is movable to a predetermined position with reference to the machine has an operating device which can deactivate the web catcher mechanism in the cassette in response to detection of adequate attachment of the leader of the web to the core. The catcher mechanism serves to guide the leader of the web into engagement with the core and is activated on movement of the cassette to its predetermined position. The circuit which monitors the engagement between the leader of the web and the core compares the peripheral speed of the core with that of a rotor which is installed in the machine and whose peripheral speed is lower than that of the core prior to completion of attachment of the web to the core. The operating device utilizes an electromagnet or an electric circuit whose condition is changed by the monitoring circuit when the attachment of the leader of the core is completed, and such change in condition initiates the deactivation of the catcher mechanism. The rotor advances the web toward the core during attachment of the leader to the core but is rotated by the web when the attachment is completed.

REFERENCES:
patent: 3395870 (1968-08-01), Klinger
patent: 4025005 (1977-05-01), Fleck et al.
patent: 4172231 (1979-10-01), d'Arc et al.

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