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:
May. 06, 2008
Filed:
Dec. 20, 2004
Xiaohua Chen, Guangdong, CN;
Xiaohua Chen, Guangdong, CN;
Other;
Abstract
A safety belt without tightly binding body includes a safety belt, a belt retractor, a flashboard, a buckle and a limiter. The limiter includes a housing having a belt inlet and outlet located at side faces thereof. An upper roller and a lower roller are provided within the housing. The lower roller is movably engaged with two lower roller supports disposed in the lower housing. A clamping sleeve is fixedly secured around the lower roller. Electromagnets are mounted to the lower roller supports, respectively. A ratchet wheel and a ratchet pawl are mounted to the lower roller. A clamping sleeve is fixedly secured around the upper roller. The upper roller is movably engaged with two upper roller supports. Springs are provided on the two upper roller supports, respectively. A ratchet wheel and a ratchet pawl are mounted to the upper roller. Electromagnets may be mounted to the bottom of the upper roller supports, respectively. A motor may be mounted within the lower housing for rotating the lower roller. The lower housing also provides an automatic or a manual limiter.