G - Physics – 11 – B
Patent
G - Physics
11
B
181/65, 352/31.3
G11B 23/02 (2006.01) G11B 17/03 (2006.01) G11B 23/03 (2006.01)
Patent
CA 1121051
Abstract of the Disclosure Disclosed is an improved means for attaching a detachable type of dust shield to a disc memory assembly so as to efficiently seal the access ports from dust and dirt, and yet permit easy detaching and attach- ing of the dust shield to the permanent housing. This is accomplished by a projection and lip, one of each carried by each of the housing and the dust shield adjacent the periphery of each. They lockingly engage when the dust shield is mated with the module housing. Approximately diametrically opposed to the projection and lip is a latch and striker, one of each again carried by each of the housing and dust shield adjacent their peripheries. When the edge of the dust shield adjacent the latch and striker is pushed toward its mated position with the module housing, the latch engages the striker, locking the dust shield to the housing. The latch incorporates a release mechanism allowing it to disengage the striker, releasing the dust shield from the housing. Decreasing width guideways which engage lugs adjacent the projection can be used to guide the projection accurately to the lip. By forming the projection and/or the lip with a ramping surface, the radial movement of the shield with respect to the housing can force the edge of the shield's mating surface against the similar surface of the housing, thereby assuring a tight dust- free fit.
335858
Duff James A.
Green Paul N.
Magnetic Peripherals Inc.
Smart & Biggar
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