Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Carrier speed or tension control
Patent
1996-02-29
1997-07-01
Stodola, Daniel P.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Carrier speed or tension control
242353, 2424135, 2424173, B65H 5938
Patent
active
056428650
ABSTRACT:
An arrangement for varying the tape tension in a magnetic-tape apparatus includes a pivotably supported sensing lever (15) whose free end is pressed against the magnetic tape (14) under the influence of a spring (16) and, upon deflection from a neutral position (15'), is reset to its neutral position (15') by a control device (17, 18) through a variation of the tape tension. In order to enable the tape tension to be rapidly reduced for operation in the stand-by mode, an actuating mechanism (20) can be activated separately and includes a resilient actuating lever (22) which extends into the pivoting range of the sensing lever (15) upon activation of the actuating mechanism (20) and causes this sensing lever to be deflected in opposition to the force acting on the sensing lever (15).
REFERENCES:
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patent: 2985396 (1961-05-01), Johnson
patent: 3244954 (1966-04-01), Branco
patent: 3497158 (1970-02-01), Calaway
patent: 3539129 (1970-11-01), Schmidt
patent: 4080635 (1978-03-01), Zahn et al.
patent: 4434954 (1984-03-01), Ryan
patent: 5311382 (1994-05-01), Chino et al.
Fell Wolfgang
Maack Werner
Rivera William A.
Stodola Daniel P.
U.S. Philips Corporation
Wieghaus Brian J.
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