Metal working – Method of mechanical manufacture – Repairing
Reexamination Certificate
1999-09-03
2001-08-14
Hughes, S. Thomas (Department: 3726)
Metal working
Method of mechanical manufacture
Repairing
C029S402030, C029S402090, C192S070200
Reexamination Certificate
active
06272725
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a repair device and a method for using the repair device for the clutches used in off-road vehicles such as motorcycles and quads.
2. Background Information
The clutches used in off-road vehicles such as motorcycles and quads and certain other vehicles, are typically run in oil and are often referred to as “wet clutches.” In other words, the clutch in these vehicles is typically lubricated by oil. The clutch's function is to engage and/or disengage the power from the engine and the transmission.
A common problem with this type of clutch is the occurrence of a “dragging” clutch. A dragging clutch is one that does not disengage properly. This dragging clutch problem can often occur where the friction plates wear grooves in the outer clutch hub due to continuous or continual use of the clutch. Known solutions entail filing or machining the grooves from the surface of the outer clutch hub, which tend to be temporary and limited solutions. Alternatively, the outer clutch hub could be replaced, which tends to be an expensive solution compared to a repair of the friction clutch.
OBJECT OF THE INVENTION
An object of the present invention is to provide a repair kit for a motor vehicle friction clutch, for example a motorcycle friction clutch, that is economical, simple to install, and which can extend the life of the original outer clutch hub. An additional object of the present invention is to provide a method for the repair of a wet friction clutch using a clutch repair kit. An additional object of the present invention is to provide a method for the repair of a motor vehicle friction clutch which involves hardening the outer clutch hub without the addition of additional inserts.
SUMMARY OF THE INVENTION
At least one embodiment of the present invention can yield these objects by providing a clutch repair kit for the repair of the friction clutch. Specifically, the kit can include an inset, as described below, for insertion into the clutch. Additionally, the kit can provide a cut-out for use in the clutch. Additionally, in at least one embodiment of the present invention, the-kit can provide for the hardening of gear teeth in the clutch without the use of an insert. Additionally, the invention includes a method of repairing the friction clutch in a motor vehicle such as a motorcycle using an embodiment of an insert.
The above discussed embodiments of the present invention will be described further hereinbelow with reference to the accompanying figures. When the word “invention” is used in this specification, the word “invention” includes “inventions,” that is, the plural of “invention.” By stating “invention,” the Applicant does not in any way admit that the present application does not include more than one patentably and non-obviously distinct invention, and maintains that this application may include more than one patentably and non-obviously distinct invention. The Applicant hereby asserts that the disclosure of this application may include more than one invention, and, in the event that there is more than one invention, that these inventions may be patentable and non-obvious one with respect to the other.
REFERENCES:
patent: 3191735 (1965-06-01), Wavak
patent: 3650357 (1972-03-01), Nelson et al.
patent: 4083434 (1978-04-01), Pinter
patent: 4574449 (1986-03-01), Wussow
patent: 4890700 (1990-01-01), Guichard
patent: 5560452 (1996-10-01), Labougle
Cozart Jermie E.
Hughes S. Thomas
Nils H. Ljungman & Associates
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