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:
Mar. 29, 2022
Filed:
Mar. 22, 2019
Tok, Inc., Tokyo, JP;
Toshiki Tomisawa, Tokyo, JP;
TOK, INC., Tokyo, JP;
Abstract
[Problem] To provide a safety device for a sliding door with which finger pinching can be automatically prevented without manually operating a stopper, and which can be smoothly closed without a resistance that acts when closing the sliding door. [Solution] A safety device for a sliding door is provided with a guide frameand a feed platethat are mounted on the opening side and the sliding door side, respectively, so as to face each other. A low-speed movement grooveand a lock grooveare provided on the guide frameside. A contact facethat is inclined to contact a disk roller is provided on the feed plateside. In addition, when the feed platecollides with the disk rollerat a force stronger than or equal to a prescribed value, the shaftof the disk rolleris moved from inside the low-speed movement grooveto inside the lock grooveand the movement of the disk rollerin the left-right direction is locked.