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. 07, 1985
Filed:
Dec. 19, 1983
Masao Ushikubo, Hachioji, JP;
Olympus Optical Co., Ltd., , JP;
Abstract
A cap and a cap opening and closing device of a liquid container for preventing a liquid evaporation is disclosed. The cap has a plurality of projections made of an elastic material on its bottom surface. The cap opening and closing device which is used in combination with the known cap or the cap mentioned above, having a shutter mechanism connected to the cap for moving the cap in cap opening and closing directions, includes a connecting member for connecting the shutter mechanism with the cap at a position remote from a center of the cap and a contact member for bringing the shutter mechanism into contact with the cap at the center of the cap, when the shutter mechanism is moved in the cap closing direction. Therefore, an easy cap opening and a complete cap closing operation can be effectively performed.