Reel spring structure for a video tape cassette

Details Reel spring structure for a video tape cassette Reel spring structure for a video tape cassette

1991-09-13

1993-06-01

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

36013031, 242199, G11B 2302

Patent

active

052165639

ABSTRACT:
An improved reel spring structure for rotatably supporting tape reel shafts of video tape cassette, the spring comprising an elongated strip of resilient material having a flat, central portion having a pair of holes symmetrically formed therein, first inclined portions symmetrically, slopingly provided at the opposite ends of the central portion and each having a rectangular, embossed groove, second inclined portions symmetrically, slopingly provided at the outer ends of the first inclined portions, and rounded tip portions symmetrically provided at the opposite distal ends of the spring to be continued from the second inclined portions, whereby the desired tension on the tape reel shafts can be maintained by a spring having a minimal width.

REFERENCES:
patent: 4662579 (1987-05-01), Gelardi et al.
patent: 4780782 (1988-10-01), Bordignon
patent: 4899243 (1990-02-01), Bordignon
patent: 5005780 (1991-04-01), Carroll
patent: 5042740 (1991-08-01), Schoettle et al.
patent: 5046683 (1991-09-01), Carroll
patent: 5094434 (1992-03-01), Ryu

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