Appeal No. 1999-0565
Application 08/700,526
The disclosed invention pertains to a disk cartridge
for containing a disk used for the recording and reproduction
of data to and from the disk.
Representative claim 1 is reproduced as follows:
1. A disk cartridge comprising:
a cartridge body formed by mating and connecting an upper
half and a lower half,
a disk accommodated rotatably in said cartridge body and
having data signals recorded on it,
a disk support projecting from at least one of the facing
inner surfaces of the cartridge body corresponding to the non-
signal recording region of the inner periphery of the disk,
a plurality of disk support members with a high wear
resistance and high lubricity arranged in a ring at
predetermined intervals on a surface of the disk support
facing the disk, and
a recording and/or reproduction use opening formed in the
cartridge body, wherein said disk support is formed in a
substantially horseshoe shape having a cutaway portion at a
side facing the recording and/or reproduction use opening and
said disk support members are arranged at a plurality of
locations spread at equal intervals in the circumferential
direction of said substantially horseshoe shaped disk support,
wherein said disk support members are arranged at least
at three locations spread at equal intervals in the
circumferential direction of said substantially horseshoe
shaped disk support.
The examiner relies on the following references:
Tanaka et al. (Tanaka) 4,863,031 Sep. 05, 1989
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