Patent 7670171 was granted and assigned to Bosch (company) on March, 2010 by the United States Patent and Trademark Office.
A battery pack for an electric appliance has a base body, a locking device for locking the base body to the electric appliance, at least one contact element for producing an electrical contact with the electric appliance, and a contact holding unit for holding the contact element. The locking device and the contact holding unit are fastened to the base body by means of a shared fastening module.