G - Physics – 11 – B
Patent
G - Physics
11
B
181/24, 352/68
G11B 5/80 (2006.01) G11B 17/02 (2006.01) G11B 17/025 (2006.01) G11B 25/04 (2006.01)
Patent
CA 1074008
ABSTRACT An apparatus for detachably mounting a record sheet in place for use in a sheet type recording/ playing machine in which the record sheet is positioned by engagement between a plurality of positioning pins attached to a sheet mounting plate of the machine and cor- responding apertures formed in the record sheet and the under surface of the positioned sheet is scanned for record- ing/playing by movable head means. A sheet placement plate is provided as movable between a first position in which it rests on the mounting plate and a second position in which it keeps away therefrom vertically. The place- ment plate has marginal edge frames on its upper surface for coarsely positioning a record sheet thereon with respec to the positioning pins when in the first position and apertures for permitting the positioning pins to freely pass therethrough. A retaining plate is hinged to the casing of the machine and has corresponding apertures. The place- ment plate and the retaining plate is interlocked by appro- priate means and when the latter is closed to get on the - 1 - former after a record sheet placed, the two are brought into an operative position while achieving exact position- ing of the record sheet by passing the positioning pins through successive apertures mentioned above. When desired, both the plates may be formed integral with each other so as to form a pocket for a record sheet therebetween.
252734
Kato Saburo
Muranaka Masakazu
LandOfFree
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