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:
Oct. 15, 2002
Filed:
Mar. 22, 2001
Akira Kashiwagi, Chiba, JP;
Koichi Takagi, Chiba, JP;
Daiwa Manufacturing Co., Ltd., Chiba, JP;
Abstract
A measuring apparatus of sliding friction coefficient for vehicle running road surface includes a measuring wheel ( ) supported rotatably on a support frame ( ) and a brake unit ( ) for braking said measuring wheel ( ). A load cell ( ) is disposed on the support frame ( ) horizontal to a rotating shaft ( ) of the measuring wheel ( ) for measuring a tension yielded between the support frame ( ) and the measuring wheel ( ) by braking the measuring wheel ( ), and a load cell ( ) is disposed on the support frame ( ) vertical to the rotating shaft ( ) of the measuring wheel ( ) for measuring a carrying weight loaded on the measuring wheel ( ). The support frame ( ) is arranged elevatably in the inside of a box-like casing ( ).