Power tool with battery power supply

• US 7,243,734 B2
• Filed: 12/28/2005
• Issued: 07/17/2007
• Est. Priority Date: 01/10/2005
• Status: Expired due to Fees

• Current Assignee: Najin Chervon Industry Company Limited
• Original Assignee: Nanjing Chervon Industry Company Limited (Chervon Holdings Limited)
• Inventors: Wu, Shuming
• Primary Examiner(s): Smith; Scott A.
• Application Number:
  US11/320,366
• Publication Number:
  US 20060151189A1
• Time in Patent Office: 566 Days
• Field of Search: 173/217, 173/213, 310/47, 310/36, 310/50, 320/115
• US Class Current: 173/217
• CPC Class Codes: H01M 50/202 Casings or frames around the primary casing of a single cell or a single battery
• CPC Class Codes: H01M 50/244 Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
• CPC Class Codes: H01M 50/247 specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
• CPC Class Codes: H01M 50/296 characterised by terminals of battery packs terminals of batteries H01M50/543
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Claims