Patent ID: 8183831
Filing Date: 2012-05-22
Classification: H01M,Y02E

Abstract:
1. A battery pack, comprising: at least one battery cell; a base and a cover, together adapted to house the at least one battery cell; a plurality of linking holes extending through at least one first side surface of one of the base or the cover, each of the linking holes defined by a periphery, wherein at least a portion of the periphery includes a reinforcement that when combined with the at least one first side surface is thicker than a thickness of the first side surface, wherein the portion of the periphery including the reinforcement is on a leading edge of each of the plurality of linking holes at a distal end of a corresponding one of the at least one first side surface and extends between adjacent linking holes and on a trailing edge of each of the plurality of linking holes, the trailing edge being opposite the leading edge, and wherein the reinforcement is spaced from an edge of the at least one side surface; and a plurality of linking protrusions on at least one second side surface of the other of the base or the cover, each of the plurality of linking protrusions adapted to mate with a corresponding linking hole, thereby holding the base and the cover in engagement with one another.