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:
Sep. 10, 1991
Filed:
Oct. 02, 1990
Frank Su, Taipei, TW;
Other;
Abstract
A door handle device includes: a restoring device mounted on a washer secured to a door, a spindle laterally adjustably mounted in the restoring device, and a lever handle having a handle sleeve fixed on an outer end portion of the spindle rotatably driving the spindle for operating a latch bolt for opening the door, in that the restoring device is provided for restoring the lever handle once depressed by a door opener and for adjustably securing the spindle on the device with respect to a door thickness in order for a connection of the spindle to a latch bolt mechanism operatively retracting or extending the latch bolt. The spindle is directly secured to the door handle so that a handle sleeve formed on a central portion of the door handle may be made as slim as possible.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile