Videocassette tape spool having a wear button

Details Videocassette tape spool having a wear button Videocassette tape spool having a wear button

1983-10-17

1985-06-04

Christian, Leonard D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242199, B65H 7518, G03B 104, G11B 1532

Patent

active

045209693

ABSTRACT:
Videocassette tape spool, the wear button of which is a protuberance of a small plastic piece which may serve to lock the parts of the spool together. By using a small piece for the wear button, substantial savings in raw material can be realized since highly wear-resistant plastics tend to be quite expensive. The novel tape spool also can be assembled less expensively compared to tape spools now used in videocassettes.

REFERENCES:
patent: 2476928 (1949-07-01), Thomas
patent: 4234137 (1980-11-01), Watanabe et al.
patent: 4371123 (1983-02-01), Watanabe
patent: 4452404 (1984-06-01), Gelardi et al.

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