Registers – Coded record sensors – Feed mechanisms
Patent
1991-11-27
1994-04-05
Tupper, Robert S.
Registers
Coded record sensors
Feed mechanisms
369 771, G06K 1304
Patent
active
053007638
ABSTRACT:
An information recording/reproducing apparatus is provided with a shutter mechanism for closing and opening an insertion slot formed on a wall of a housing to insert/eject an information recording medium into/from the housing. The shutter mechanism includes a first member which is movable in a first direction perpendicular to a second direction in which the information recording medium is inserted into the slot of the housing, the first member being movable between a slot open and a slot closed position. A second member is fixed on the housing and is selectively either contacting the first member in the slot closed position or being spaced away from the first member in the slot open position. A slanted surface, which is slanted or inclined with respect to the first and the second directions, is formed on the first member such that the first and second members contact each other on the slanted surface when the first member is in the slot closed position. A seal member, made of elastic material, is preferably fixed to the slanted surface for sealing the slot when the slot is closed. The slanted surface has a recess which has an abutment surface almost vertical to the second direction, so as to effectively block entry of an information recording medium when the slot is closed.
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IBM Technical Disclosure Bulletin, Lewis et al., Unidirectional Gate for Card Readers, Jan. 1972, vol. 14, No. 8.
Ito Junichiro
Yamamori Yoshiyuki
Ditmyer Paul J.
Olympus Optical Co,. Ltd.
Tupper Robert S.
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