Portable power tool having low rate, rechargeable batteries attached to clothing

• US 6,106,971 A
• Filed: 09/07/1999
• Issued: 08/22/2000
• Est. Priority Date: 11/26/1997
• Status: Expired due to Fees

• Current Assignee: Celgard LLC (Asahi Kasei Corporation)
• Original Assignee: Celgard LLC (Asahi Kasei Corporation)
• Inventors: Spotnitz, Robert M.
• Primary Examiner(s): Maples, John S.
• Application Number:
  US09/391,247
• Time in Patent Office: 350 Days
• Field of Search: 2/311, 2/905, 2/102, 429/98, 429/99, 362/108, 362/103
• US Class Current: 429/98
• CPC Class Codes: B25F 5/02 Construction of casings, bodies or handles B25F5/006, B25F5/008 take precedence
• CPC Class Codes: H01M 10/052 Li-accumulators
• CPC Class Codes: H01M 10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• CPC Class Codes: H01M 10/345 Gastight metal hydride accumulators
• CPC Class Codes: H01M 50/204 Racks, modules or packs for multiple batteries or multiple cells
• CPC Class Codes: H01M 50/256 Carrying devices, e.g. belts
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y10S 2/905 Electric

Abstract

The present invention is directed to a portable power tool comprising an electric power tool, a low weighted battery pack and a cable interconnecting the pack to the tool. The pack is remote from the tool, and is attached to an article of clothing.

Claims

1. A portable battery pack/clothing comprising:

a plurality of low rate, light weight batteries connected in parallel; and

an article of clothing, said batteries being attached thereto.

2. The pack according to claim 1 wherein said low rate batteries are selecting from the group consisting of lithium ion batteries and nickel metal hydride batteries.

3. The pack according to claim 1 wherein said article of clothing is selected from the group consisting of a belt and a vest.

4. The pack according to claim 1 further comprising:

a cable being an electrical communication with said batteries.

5. The pack according to claim 4 further comprising:

a reel, said cable being carried on said reel and said reel being mounted on said article of clothing.