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:
Jan. 07, 1992
Filed:
Dec. 27, 1990
Junzaburo Kawasaki, Tokyo, JP;
Other;
Abstract
A swing door hinge is provided comprising a first hinge member having a projection of approximately rectangular block shape and provided with at least two engaging recesses, the first hinge member being intended to be mounted to either a wall frame or a swing door, and a second hinge member having at least two engaging arms inserted into respective engaging of the first hinge member for pivotal movement and guide openings provided in the engaging arms. The second hinge member, which is also intended to be mounted to the wall frame or the swing door whichever does not carry the first hinge member, has pivot pins mounted in the guide openings and yieldingly urged by respective springs in the inward direction. Each pivot pin is inserted at its front end into a respective engaging recess of the first hinge member and pivotably mounted to a shaft which is installed in such a position of the projection that the distance thereof from the front end of the projection is smaller than the distance thereof from each side end of the projection.