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:
Feb. 08, 1994
Filed:
Apr. 29, 1993
Applicant:
Inventor:
Jui-Chang Lin, Kangshan, Kaohsiung Hsien, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05C / ;
U.S. Cl.
CPC ...
2923363 ; 292357 ; 29216917 ; 29216918 ;
Abstract
A latch bolt includes an outer knob and an inner knob, a tube rotatably engaged in the inner knob, a button having one end engaged in the tube and having the other end extendible outward of the inner knob, and a barrel rotatably received in the tube. The latch bolt is locked when the button is depressed inward of the inner knob and is unlocked when the inner knob is rotated. The latch is also unlocked when a key is inserted into the outer knob and when the outer knob is rotated.