Patent ID: 7033695
Filing Date: 2006-04-25
Classification: H01M,Y02E

Abstract:
1. A battery housing device, comprising: a battery cartridge which houses a first battery and a second battery connected in series to each other with a terminal of a polarity at an end of the first battery being pressed against and in direct contact with a terminal of an opposite polarity at an end of the second battery; a battery cartridge housing into which the battery cartridge is inserted; a fulcrum which is arranged on an inner surface of the battery cartridge and configured to come into contact with a periphery of the first battery; and an elastic body which is arranged on an inner surface of the battery cartridge housing, wherein when the battery cartridge is gotten inserted into and extracted from the battery cartridge housing, the elastic body presses the periphery of the first battery continuously from an area distant from the fulcrum to another area distant from the fulcrum across an area near the fulcrum to make the first battery wobble about the fulcrum, thereby making the terminal of the first battery rub against the terminal of the second battery.