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 7942074 B1

PDF
Full Text
Expired
Date of Patent:
May. 17, 2011

Filed:

Oct. 23, 2007
Applicants:

Jeffrey F. Birkel, Pekin, IL (US);

Alan J. Griffiths, Wolverhampton, GB;

Inventors:

Jeffrey F. Birkel, Pekin, IL (US);

Alan J. Griffiths, Wolverhampton, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/08 (2006.01); F16H 59/00 (2006.01); F16H 61/00 (2006.01); F16H 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A gearbox having at least two gears is disclosed. The gearbox includes a shift selector, a first gearshaft, a second gearshaft selectively engagable with the first gearshaft via the at least two gears, and a first clutch mechanism located on the second gearshaft. The first clutch mechanism is configured to selectively engage the second gearshaft with the first gearshaft. The first clutch mechanism includes a clutch plate attached to first gear on the second gearshaft, and a pressure plate attached to the second gearshaft. The clutch plate and pressure plate are configured to selectively engage one another so that the second gearshaft engages the first gearshaft.


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