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:
Nov. 01, 1988
Filed:
Feb. 09, 1988
Hsien C Lin, Taipei, TW;
Other;
Abstract
It is an automatically lifting devise for toilet seat; the device mainly comprises a sleeve shaft, a sleeve, a main shaft, a torsional spring, and a torsion adjusting assembly. The aforesaid torsion adjusting assembly further includes a displacement shaft, a shaft seat, a worm gear and a worm. The feature of the aforesaid lifting device is that when the lid being lifted up, the toilet seat will be lifted upwards automatically and slowly because of the torsion of the torsional spring is higher than the gravity of the toilet seat, and because of a grease of high viscosity being coated on the surface between the sleeve shaft and the sleeve; moreover, the object of the torsion adjusting assembly is to adjust the torsion of the torsional spring after a long period of use so as to maintain the automatically lifting device to have a normal torsional spring and operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile