Magnetic tape transport apparatus

Details Magnetic tape transport apparatus Magnetic tape transport apparatus

1981-09-01

1984-08-14

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242204, G03B 104, G11B 1532

Patent

active

044652470

ABSTRACT:
A magnetic tape transport apparatus wherein at least one capstan simultaneously drives the take-up and supply reels, and wherein tape tension is generated by a braking device allotted to each tape reel, each braking device consisting of an assembly of levers (A, B, C, and D, E, Z) and a braking cable which is wound around the axle supporting the tape reel, and by means of which the braking forces are so adjusted that it is always the axle of the supply reel which is braked, while the axle of the take-up reel runs relatively freely. In a practical embodiment, the lever assembly comprises at least three hingedly connected levers (A, B, C and D, E, Z), viz. two lateral levers and an interconnecting lever, it being possible to obtain different lever arrangements by varying the locations of the movable pivot points (G) and the fixed fulcrum points (F) FIGS. 1 to 3). The tape transport with such braking devices is suitable for all types of magnetic tape recorder, such as audio, video and data recording apparatus, and can be used with particular advantage in compact portable recorders.

REFERENCES:
patent: 3370803 (1968-02-01), Newell
patent: 3370804 (1968-02-01), Peyton
patent: 3482800 (1969-12-01), Barnett et al.
patent: 3921933 (1975-11-01), Rotter et al.
patent: 4018402 (1977-04-01), Burdorf
patent: 4074873 (1978-02-01), Hayashi et al.
patent: 4093150 (1978-06-01), Burdorf et al.
patent: 4310131 (1982-01-01), Althuber et al.

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