The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 15, 2005

Filed:

Jan. 30, 2003
Applicants:

Mamoru Watanabe, Chiba, JP;

Yuichi Shino, Chiba, JP;

Tamotsu Ono, Chiba, JP;

Kei Hirano, Chiba, JP;

Inventors:

Mamoru Watanabe, Chiba, JP;

Yuichi Shino, Chiba, JP;

Tamotsu Ono, Chiba, JP;

Kei Hirano, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M002/10 ; G04B037/00 ;
U.S. Cl.
CPC ...
Abstract

To effectively prevent positional deviation of a battery. A hook-shaped member of a spring electrode terminal, and hook-shaped members of a spring electrode terminal are arranged in respective apices of a regular triangle to restrict movements of a battery in a direction along a cross section against the bias of a spring electrode terminal, which abuts against a negative surface of the battery. Battery abutments are arranged in respective apices of a substantially regular triangle to permit the bias of the respective spring electrode terminals to bias the battery toward the battery abutment, thus restricting positional deviation of the battery in a horizontal plane. When the battery is to be removed, a battery removal tool arranged near the hook-shaped member is inserted into a tool insertion portion to remove the battery.


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