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:
Apr. 12, 1988
Filed:
Oct. 08, 1986
Applicant:
Inventor:
Kip Van Steenburg, Sudbury, MA (US);
Assignee:
Amatech Corporation, Concord, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62B / ;
U.S. Cl.
CPC ...
280 30 ; 280643 ; 280 474 ; 297130 ; 297D / ;
Abstract
A convertible carriage including a superstructure with a seat for carrying a person to be transported, and a number of wheels. The wheels are rollably supported by wheel support structure which is movably interconnected with the superstructure. The superstructure is rollably transportable when the wheel support structure and wheels are in an extended position. The carriage further includes a device for relocating the wheels concurrently between the extended position and a retracted position in the superstructure.