Patent ID: 8139351
Filing Date: 2012-03-20
Classification: H05K,Y10T

Abstract:
1. A rotary-disc memory device comprising: a lower cover including an accommodation space and a bottom, the lower cover further including an opening in one end thereof and a curved limiting slot in a bottom thereof, the limiting slot being formed with a limiting track at an edge thereof, the limiting track including a concave engaging portion in each of two ends thereof; a rotary disc being provided with a positioning protrusion extending outwards from a circumference thereof, the rotary disc being positioned at an external side of the bottom of the lower cover and covering the limiting slot, the positioning protrusion of the rotary disc abutting against the limiting track of the lower cover; a memory device body including a connecting terminal at one end thereof and being disposed in the accommodation space of the lower cover, the connecting terminal of the memory device body being located in alignment with the opening of the lower cover; a connecting shaft having one end connected to the memory device body, and the other end of the connecting shaft being connected to the rotary disc, so that the rotary disc, the memory device body and the connecting shaft are drivingly connected together; and an upper cover including an opening in one end thereof, the upper cover and the lower being closed with respect to each other, and the opening of the upper cover being located opposite the opening of the lower cover.