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:
Aug. 21, 2001
Filed:
Apr. 29, 1999
Oriya Fujita, Kanagawa, JP;
Katoh Electrical Machinery Co., Ltd., Kanagawa, JP;
Abstract
A hinge device for use to support a seat and seat lid of a toilet bowl openably and closably is provided which can also be implemented even without any rubber ring and provide a delicately controlled feeling with the sea and seat lid when being opened or closed. The hinge device comprises a cylindrical hinge case to be fixed to the body of a toilet bowl and having a partition wall formed therein; a rotating shaft provided rotatably inside the hinge case to support a seat and seat lid of the toilet bowl and consisting of a large-diameter portion which is born in the inner wall of the hinge case and a small-diameter portion which is born in a bearing hole formed in the partition wall of the hinge case; a stationary cam provided inside the hinge case, fixed to the partition wall of the hinge case and having the small-diameter portion of the rotating shaft penetrated through the central portion thereof; a rotatable sliding cam provided inside the hinge case opposite the stationary cam to be slidable axially and rotatable along with the small-diameter portion of the rotating shaft penetrated through the central portion thereof; an elastic means wound on the outer surface of the rotating shaft and between the rotatable sliding cam and the large-diameter portion of the rotating shaft; and means for adjusting the elasticity of the elastic means.