Magnetic-tape cassette and tape-pressure member for use in such

Details Magnetic-tape cassette and tape-pressure member for use in such Magnetic-tape cassette and tape-pressure member for use in such

1987-02-04

1989-08-29

Werner, David

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

36013032, 36013033, G11B 2300

Patent

active

048609676

ABSTRACT:
In a magnetic-tape cassette the housing comprises a peripheral wall (7) with an opening (7a) for the passage of a magnetic head (27). The cassette is provided with a tape-pressure (19) comprising a pressure element (22) which near the opening (7a) lies against the back of the magnetic tape (8). The tape-pressure member (19) comprises a substantially U-shaped leaf spring (21) having an elongate main portion (20) which carries the pressure element (22) near its center. The main portion (20) comprises two elongate embossments (20a, 20b) whose crests extend substantially parallel to the longitudinal axis of the main portion (20). The crests of the embossments (20a, 20b) of the leaf spring (21) abut against supporting elements (25, 26), which are situated inside the housing at the side which is remote from the opening (7a).

REFERENCES:
patent: 4087845 (1978-05-01), Saito
patent: 4293885 (1981-10-01), Shirako et al.
patent: 4573095 (1986-02-01), Bordignon

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