Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1985-03-29
1986-03-18
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
G11B 2304
Patent
active
045763453
ABSTRACT:
A magnetic-tape cassette has a front opening (7) which when the cassette is not in use is covered by a pivotal front cover (20) and a sliding plate (9) which is situated on the outside of the cassette housing (1) adjacent the bottom wall (2) thereof. In the closed position the sliding plate covers the front opening (7) at the bottom and a part of the magnetic tape (18a) which extends across said opening. The top wall (3) of the housing is imperforate and is contiguous with the front cover in the closed position of the cover. In the closed position the sliding plate (9) extends from the front of the cassette housing (1) beyond openings (4) in the bottom wall (2) to cover these openings. The sliding plate is formed with two apertures (15) which expose the openings (4) in the open position of the sliding plate (9). In the closed position the sliding plate (9) is latched by means of at least one latching member (27) which comprises a latching portion (29) and an actuating portion (30), the latter projecting into a slot or groove (32) in the sliding plate (9) near the rear end of the slot or groove when this plate (9) is in the closed position.
REFERENCES:
patent: 2941741 (1960-06-01), Bilsback
patent: 3627225 (1971-12-01), Badum et al.
patent: 3980255 (1976-09-01), Serizawa
patent: 3987489 (1976-10-01), Schoettle et al.
patent: 4021006 (1977-05-01), Morimoto et al.
patent: 4235395 (1980-11-01), Wardenaar et al.
patent: 4254922 (1981-03-01), Wolf et al.
Beyersbergen van Henegouwen Cornelis M.
Koken Karel G. M.
Olierook John C. J.
van de Kerkhof Hubertus F. W.
Gilreath Stanley N.
Treacy David R.
U.S. Philips Corporation
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