Battery cover having recessed attachment feature

摘要

An electric storage battery includes a case for housing the battery's active, energy-storage elements, and a cover. The cover is configured to be secured to the case to thereby enclose the active elements. The cover includes one or more blind bores having a deformation relief feature on an inner surface thereof so as to configure the blind bore to receive a fastener for mounting a component to the battery. The deformation relief feature includes a plurality of ribs separated by intervening grooves.