PROBLEM TO BE SOLVED: To provide an Achy structure of a cover capable of easily being assembled and disassembled while enabling the protection of a projection part of a cover side.;SOLUTION: In an Achy structure of a cover 3 attached to a base 1 with a seal face 11 provided circularly in an opening side surrounding part of a housing part 9 for housing a disk assembly for recording and reproduction and a head suspension assembly for recording and reproduction and formed with base side wall parts 5a, 5b, 5c, 5d through a seal 15 to cover the housing part 9, and having a cover side wall parts 17a, 17b facing the base side wall parts 5a, 5b provided with an engagement pawl 25 to be locked to each locking recessed part 13 of the base side wall parts 5a, 5b, the cover side wall parts 17a, 17b are provided with a flexible engagement piece part 29 including the engagement pawl 25 by forming a slit 27 in association with the engagement pawl 25, and the engagement piece part 29 exists within the height of the cover side wall parts 17a, 17b.;COPYRIGHT: (C)2014,JPO&INPIT
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