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. 15, 2002
Filed:
Jun. 22, 2000
Applicant:
Inventor:
Larry M. Cheng, Taichung, TW;
Assignee:
Merits Health Products Co., Ltd., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61H 3/04 ;
U.S. Cl.
CPC ...
A61H 3/04 ;
Abstract
A safety brake type rollator which is normally in detained state, but it starts to advance when releasing grips installed on both handle bars are gripped, is disclosed. The elaborate utilization of lever principle associated with power transmission between two ratchet wheels realizes innovative effect of the present invention.