Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1983-12-13
1985-11-19
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242199, 360132, G03B 104, G11B 1532
Patent
active
045537178
ABSTRACT:
A recording tape cartridge comprising a case body, tape reels for winding a recording tape and a braking mechanism for preventing rotation of the tape reels when the recording tape cartridge is not used, the braking mechanism comprising a pair of guide wall projections formed on a bottom section of the case body, a stopper member having braking members for engagement with teeth formed on flanges of the respective tape reels and being guided by the guide walls so as to move between a first position where the braking members can engage at least one of the engaging teeth of the tape reels for preventing rotation of the tape reels and a second position where the braking members are disengaged from the teeth to allow rotation of the tape reels, a spring member for resiliently biasing the stopper member toward the first position and engaging member formed by a hook like member or plate on the top portion of the guide walls so as to prevent disengagement of the stopper member from the guide walls in an upward direction.
REFERENCES:
patent: 4029268 (1977-06-01), Schoettle et al.
patent: 4106724 (1978-08-01), Higashida
patent: 4148443 (1979-04-01), Lundquist
patent: 4232840 (1980-11-01), Sugawara
patent: 4288048 (1981-09-01), Sieben
patent: 4447020 (1984-05-01), Toi et al.
Christian Leonard D.
Hitachi Maxell Ltd.
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