Patent ID: 7014945
Filing Date: 2006-03-21
Classification: B25F,H01M,H02J,Y02E,Y02P,Y10T

Abstract:
1. A power tool system comprising: a power tool; a battery pack to be inserted in an electrical appliance by movement along a first direction comprising a pack housing having top, bottom and side walls, a terminal tower disposed on the top wall, an air inlet disposed on at least one of the terminal tower and the top wall, and a pack air outlet for allowing air to exit from the pack housing, a plenum disposed within the pack housing and connected to the air inlet, the plenum having at least one hole for allowing air to move therethrough, a first cell disposed within the pack housing and against the plenum, a filter disposed within the pack housing, and an insulation plate disposed between the filter and the first cell; and a charger electrically connectable to the battery pack for charging the battery pack.