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.:

US 7431110 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 07, 2008

Filed:

Feb. 02, 2006
Applicants:

Peter J. Greenwood, Cheshire, CT (US);

Benedict J. Aliano, Oxford, CT (US);

Inventors:

Peter J. Greenwood, Cheshire, CT (US);

Benedict J. Aliano, Oxford, CT (US);

Assignee:

Hartford Technologies, Inc., Rocky Hill, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A high-torque gear assembly for a personal mobility apparatus is disclosed generally comprising a shaft that drives a drive wheel of the personal mobility apparatus, a worm driven by a motor, and a worm wheel coupled to the shaft and driven by the worm, where both the worm wheel is a globoid gear and the worm is a globoid worm. In some embodiments, a gear train is coupled between a gear shaft and a drive wheel shaft for translating the rotational motion. In certain embodiments, the worm wheel and the worm have a gear ratio of at least 10:1, and the worm has a lead angle between twenty and thirty degrees.


Find Patent Forward Citations

Greenwood, Peter. (2008). High-torque gear assembly for personal mobility apparatus (U.S. Patent No. 7431110). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7431110

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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