Appeal No. 2000-2158
Application No. 08/741,226
said second half formed in a generally rectangular
shape and having a flat outer surface on which a label may
be affixed and without an opening, and wherein said second
half is connected to said first half thereby defining a
space to accommodate said optical disc;
a guide groove formed on one lateral side edge of said
cartridge body, said guide groove constituting a recess
portion on said first half and one side portion of said
second half, said guide groove having an opening portion for
inserting a shutter opening means;
a mis-insertion inhibit groove formed on a lateral side
of said cartridge body opposite to said lateral side
containing said guide groove;
a shutter member mounted on only said first half of
said cartridge body for opening and closing said second
opening, wherein said shutter member is moveable along said
guide groove by said inserted shutter opening means, said
shutter member having a continuous plate portion having a
substantially T-shape with two arms for opening and closing
said second opening and an engaging means for holding said
shutter member to an edge portion of one side of said
cartridge body, said engaging means including an upstanding
portion formed on said plate portion to form a generally L-
shaped cross section, a plurality of engaging portions
formed on said upstanding portion, and at least one
projection formed on one of said two arms of said plate
portion, said projection extending at a right angle from
said plate portion and engaged to said recess; and
wherein said plate portion, said upstanding portion,
said engaging portions, and said projection operate together
to hold and to prevent disengagement of said shutter member
from said cartridge body.
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Last modified: November 3, 2007