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.
Patent No.:
Date of Patent:
May. 13, 2008
Filed:
Aug. 09, 2004
Applicants:
Toshio Mikiya, Tokyo, JP;
Takayuki Okamoto, Tokyo, JP;
Tameyoshi Oshima, Tokyo, JP;
Yasuo Kazama, Tokyo, JP;
Inventors:
Toshio Mikiya, Tokyo, JP;
Takayuki Okamoto, Tokyo, JP;
Tameyoshi Oshima, Tokyo, JP;
Yasuo Kazama, Tokyo, JP;
Assignee:
Nitto Kohki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B 23/157 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power screwdriver () includes a bit holder () bored to receive the shaft of a screwdriver bit () and adapted to securely hold the screwdriver bit () in place, and a housing () having a through cavity (). The bit holder () is inserted into the through cavity () so that the bit holder () is rotatable about and movable along the axis of the bit holder. This arrangement securely holds the screwdriver bit and thus, minimize rattling of the screwdriver bit during rotation.