Patent ID: 6218807
Filing Date: 2001-04-17
Classification: H01M,H02J,Y02E

Abstract:
A charger comprising:a battery pack having an outer periphery including at least first and second side walls, the battery pack housing therein a plurality of batteries and having a projection disposed on the first side wall, a contacting terminal means disposed on the outer periphery of the pack, first vent ports formed in the first side wall, and second vent ports formed in the second side wall of the battery pack whereby the batteries are disposed between the first vent ports and the second vent ports; anda charger section having a mounting hole receiving the projection of the battery pack, a charging terminal means engaging the contacting terminal means of the battery pack means for charging the batteries in the battery pack through the contacting and charging terminal means with the projection of the pack mounted in the mounting hole, blast ports formed at positions coinciding with the first vent ports of the battery pack, and a blower for blowing air towards the blast ports and for blasting airflow from the blower through the coinciding blast ports and first vent ports into the interior of the battery pack past the batteries, and out through the second vent ports.