Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1983-10-04
1985-06-11
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
360 93, 474106, G03B 104, G11B 1532
Patent
active
045223530
ABSTRACT:
An automatic tape ejecting device for a tape rewinding apparatus responsive to an increase of the tension difference between the tight side strand and the slack side strand of the transmission belt which drives the pulley to perform the tape rewinding. The change of tension difference is sensed by at least one small pulley which is arranged in the running path of the transmission belt to increase the tension thereof. The motor is driven in such direction that the tight side strand will be tightened while the slack side strand will slip in the small pulley upon the winding spindle being precluded from rotation, consequently, the increased tension on the tight side strand will initiate the cassette compartment lid ejection action and turn off the switch.
REFERENCES:
patent: 3863267 (1975-01-01), Fujinaka
patent: 3902681 (1975-09-01), Boehme
patent: 3974982 (1976-08-01), Stone
patent: 3988779 (1976-10-01), Leis et al.
patent: 4259701 (1981-03-01), Pera
IBM Technical Disclosure Bulletin, vol. 15, No. 1, Jun. 1972, "Floating Belt Tension Adjustor", F. Gratkowski, p. 193.
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