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, 2003
Filed:
Feb. 16, 2001
Kazunori Machida, Kanagawa, JP;
Piolax Inc., Yokohama, JP;
Abstract
A rotary damper includes a pair of rotary members which pivot via rotating support shafts includes an outer tube, an inner tube having a smaller diameter than that of the outer tube, an outer wall of the inner tube being fitted into a tubular space of the outer tube and the inner wall of the outer tube being fitted into the tubular space of the inner tube, a first O-ring installed in an end portion on the open side of a gap between the outer wall of the outer tube and the outer wall of the inner tube, a second O-ring installed in an end portion on the open side of the gap between the inner wall of the outer tube and the inner wall of the inner tube, a viscous substance with which the gaps between the inner tube and the outer tube sealed by the first and second O-rings are filled, a central hole of the inner tube serving as a through-hole for receiving the rotating support shafts, and a mating member, mating with the respective rotating members, being provided on the inner tube and the outer tube.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile