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:
Jun. 06, 2000
Filed:
Jan. 28, 1999
Hitoshi Tanaka, Saitama, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A waterproof lens barrel which includes at least one water-tight movable barrel which is movable along an optical axis, the water-tight movable barrel includes: an outer barrel that is in sliding contact with an annular sealing member; an inner barrel that is positioned inside said outer barrel; at least one through-hole formed on the outer barrel; and at least one stopper pin that is supported by the inner barrel, the stopper pin being snugly fitted in the through-hole so that no force in the radial direction is inflicted on the outer barrel by the stopper pin, and the relative movement of the inner and outer barrels in the direction of the optical axis is determined by the stopper pin and the through-hole.