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:
Mar. 14, 2006
Filed:
Feb. 26, 2004
Applicants:
Teruaki Matsushima, Saitama, JP;
Koji Ohgaki, Saitama, JP;
Inventors:
Teruaki Matsushima, Saitama, JP;
Koji Ohgaki, Saitama, JP;
Assignee:
Fujinon Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
To the female helicoidal screw of the lens barrel (outer barrel body), there is always imparted a biasing force from a plurality of looseness eliminating springs formed on the outside peripheral portion of the lens barrel (inner barrel body) which are integrally supported on the lens barrel (inner barrel body), by means of the male helicoidal screw, and the male helicoidal screw is slid while being thrusted against the female helicoidal screw.