Patent ID: 7588471
Filing Date: 2009-09-15
Classification: B25F,H01M,Y02E

Abstract:
1. A plug-in battery pack for an electrical tool, having a mechanical coding of a coding system for a cooperation with a mechanical counterpart coding of the coding system associated with the electrical tool, in which the coding extends in the insertion direction of the battery pack, wherein the coding ( 16 ) has at least one recess ( 17 ) that cooperates on opposite sides with at least one projection ( 40 ) that is situated on the tool and constitutes the counterpart coding ( 39 ), wherein the wall ( 18 ) of the at least one recess ( 17 ) has at least one coding rib pair ( 55 ) extending out from it, whose coding ribs ( 23 , 24 ) are situated diametrically opposite from each other in such a way that they at least partially overlap.