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. 29, 2002
Filed:
Jun. 05, 2000
Bernt Carstens, Neustadt, DE;
Abstract
A motor-driven stair climbing device ( ) to carry equipment and goods, more particularly wheel chairs ( ) with disabled persons. The wheel chair ( ) can be detachably fixed to the stair climber ( ) and essentially comprises a stable frame ( ) with an energy source ( ), a drive shaft ( ), a drive control, feelers ( ), sensors ( ) and a lifting mechanism to climb the steps. The stair climbing device is characterized in that a support device ( ) is provided, which is supported on the following step of the stairs ( ) and in that the entire center of gravity ( ) of the stair climber ( ), the wheeler chair ( ) and the disabled person is located between the support points of the running wheel ( ) or the support device ( ) on the steps of the stairs ( ).