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:
Dec. 25, 2000
Filed:
Sep. 13, 1998
Applicant:
Inventor:
Ulrich Alber, Albstadt, DE;
Assignee:
Alber Antriebstechnik GmbH, Albstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62B / ;
U.S. Cl.
CPC ...
180-82 ; 180-81 ; 180-83 ; 280-52 ; 280-53 ;
Abstract
A transporting device has a frame, wheels arranged on the frame, and a step climbing unit including an electric motor, first eccentric levers driven by the electric motor, second eccentric levers rotatably supported on the first eccentric levers supports on which the second eccentric levers are rotatably supported and which have lower ends provided with supporting elements, and a transmission provided between the first and second eccentric levers and having a transmission ratio 1:2.