Cassette case for magnetic tape and the like featuring improved

Details Cassette case for magnetic tape and the like featuring improved Cassette case for magnetic tape and the like featuring improved

1988-04-12

1990-02-13

Werner, David

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242199, G11B 23084

Patent

active

048999504

ABSTRACT:
In order to prevent a tension control pad from being excited to the point of undergoing resonance, an arrangement modifies the normal resonance frequency of the pad upon a given amount of tension being developed in the tape against which the pad is applied. In the disclosed embodiment, the provision takes the form of a projection which engages a resilient leaf spring-like member upon a predetermined amount of flexure occuring in a manner which stiffens the arrangement and elevates its resonance frequency.

REFERENCES:
patent: 3797779 (1974-03-01), Esashi et al.
patent: 4290567 (1981-09-01), Saito
patent: 4463918 (1984-08-01), Takagi

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