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.

Date of Patent:
Nov. 17, 2009

Filed:

Oct. 11, 2005
Applicants:

Brian Chan, Millbrae, CA (US);

Julio Guerrero, Cambridge, MA (US);

Anette Hosoi, Cambridge, MA (US);

Inventors:

Brian Chan, Millbrae, CA (US);

Julio Guerrero, Cambridge, MA (US);

Anette Hosoi, Cambridge, MA (US);

Assignees:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 57/02 (2006.01); E21B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A self-propelled mechanical crawler adapted to move on a medium. One example of such a crawler includes a foot, a wave generator adapted to drive a periodic wave in the foot, and a wave transfer mechanism coupled between the wave generator and the foot. The wave transfer mechanism may be adapted to translate the periodic wave produced by the wave generator into a corresponding periodic deformation in the foot so as to generate forces in the medium to propel the crawler.


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