Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1975-06-06
1976-12-28
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242 55, 242 96, 242179, G03B 104, G11B 1532, G11B 2304
Patent
active
039997251
ABSTRACT:
A hand-operated device for transferring magnetic recording tape from one hub to the other in a cassette of such tape comprises a housing containing parts of transmission means between an operating handle and a projection, both outside the housing. The projection is designed to extend into a hole through the cassette and co-operate with the inwardly directed teeth on one hub to drive it. The projection rotates at a greater speed than does the operating handle. Preferably another projection simultaneously extends into another hole through the cassette but does not interfere with the rotation of the other hub.
REFERENCES:
patent: 1716879 (1929-06-01), Dworsky
patent: 2466524 (1949-04-01), Williams
patent: 2868469 (1959-01-01), Sullivan
patent: 2926861 (1960-03-01), Murdoch
Bib Hi-Fi Accessories Limited
Christian Leonard D.
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