Videocassette wear button

Details Videocassette wear button Videocassette wear button

1984-06-15

1986-01-14

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 718, 242199, G03B 104, G11B 1532

Patent

active

045641560

ABSTRACT:
Videocassette tape spool including a wear button piece which is formed as a separate, small piece and which projects beyond one of the flanges of the tape spool. The wear button piece is molded of a highly abrasion-resistant polymer and is mounted to the hub of the spool by means of a cylindrical stud projecting from the hub and a hexagonal blind bore formed within the wear button piece which accepts the stud in an interference fit.

REFERENCES:
patent: 2476928 (1949-07-01), Thomas
patent: 4226381 (1980-10-01), Katata
patent: 4289282 (1981-09-01), Kohno
patent: 4371123 (1983-02-01), Watanabe
patent: 4403749 (1983-09-01), Nakagawa
patent: 4452404 (1984-06-01), Gelardi et al.
patent: 4473194 (1984-09-01), Kashimura
patent: 4473198 (1984-09-01), Pertsch et al.
patent: 4520969 (1985-06-01), Wolfing et al.

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