Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1985-06-13
1986-10-28
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
360132, G03B 104, G11B 1532, G11B 2304
Patent
active
046194207
ABSTRACT:
A pressure spring for reels in tape cassettes, for example video cassettes, possesses fastening means which are arranged in the area of a depression in the particular reel to which pressure is to be applied. In practice, the pressure spring is designed for a two-reel cassette and is in the form of a two-armed spring having fastening arms roughly parallel to these arms.
REFERENCES:
patent: 4368860 (1983-01-01), Goto
patent: 4449676 (1984-05-01), Ogata et al.
patent: 4496118 (1985-01-01), Oishi et al.
patent: 4500050 (1985-02-01), Oishi et al.
BASF - Aktiengesellschaft
Christian Leonard D.
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