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:
Jan. 10, 2012

Filed:

Jul. 14, 2010
Applicants:

Brent C. Rankin, Lima, OH (US);

Wade Shock, Anna, OH (US);

Phillip Ford, Union City, IN (US);

James K. Tipton, Wapakoneta, OH (US);

Inventors:

Brent C. Rankin, Lima, OH (US);

Wade Shock, Anna, OH (US);

Phillip Ford, Union City, IN (US);

James K. Tipton, Wapakoneta, OH (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 51/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for reducing or eliminating the energy required by an operator of a delivery cart to start the cart moving in a predetermined direction at a predetermined speed as well as to recover some or all of the energy used to start the cart moving. The apparatus includes a cart, a drive wheel, a motor for driving the drive wheel, and a rechargeable energy source to power said motor where the rechargeable energy source is recharged during normal, unpowered movement of the cart. The method includes charging a power source while moving the cart, actuating a directional button to initiate movement in a desired direction, energizing a clutch to couple the motor to the driven wheel, energizing the motor to drive the driven wheel in the desired direction. After a predetermined time period, set by a run timer, the clutch is decoupled while the motor remains activated, and thereafter the motor is deactivated.


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