The present invention relates to an apparatus and method for covering an axle nut on a motorcycle.
In one embodiment, the invention provides an axle nut cover assembly for a motorcycle having a swingarm, an axle, and an axle nut coupling the axle to the swingarm. The axle nut cover assembly includes a mounting bracket including a first portion configured to couple to the swingarm, a second portion disposed a distance from the first portion, and a spring portion between the first and second portions. The spring portion has a natural condition defining a first configuration of the first portion relative to the second portion and a deflected condition defining a second configuration of the first portion relative to the second portion, the second configuration being different from the first configuration. The spring portion is configured to be in the deflected condition when the first portion is coupled to the swingarm such that the second portion is biased toward the swingarm. A third portion of the mounting bracket is disposed a distance from the second portion, and a second spring portion is between the second portion and the third portion. The second spring portion has a natural condition defining a first configuration of the third portion relative to the second portion and a deflected condition defining a second configuration of the third portion relative to the second portion. The second configuration of the third portion is different from the first configuration of the third portion. A cover member is coupled to the third portion of the mounting bracket and configured to cover the axle nut. The cover member displaces the third portion relative to the second portion when coupled to the mounting bracket such that the second spring portion is in its deflected condition. The second spring portion is configured to bias the cover member toward the swingarm.
In another embodiment, the invention provides a motorcycle including a frame and a swingarm movably coupled to the frame, the swingarm having an outboard side. An axle couples the rear wheel and the swingarm and defines an axis of rotation of the rear wheel relative to the swingarm. An axle nut is coupled to the axle to restrict movement of the axle relative to the swingarm. An axle nut cover assembly is configured to at least partially conceal the axle nut. The axle nut cover assembly includes a mounting bracket having a first portion coupled to the outboard side of the swingarm, a second portion disposed a distance from the first portion, and a spring portion between the first and second portions. The spring portion has a natural condition defining a first configuration of the first portion relative to the second portion and a deflected condition defining a second configuration of the first portion relative to the second portion. The second configuration is different from the first configuration. The spring portion is biased toward its natural condition. The spring portion is in the deflected condition when the first portion is coupled to the swingarm such that the second portion is biased toward the swingarm. A cover member is coupled to the mounting bracket and covers the axle nut.
In yet another embodiment, the invention provides a method of assembling an axle nut cover assembly to a swingarm for covering an axle nut. A mounting bracket is provided having a bracket-mounting portion and a cover-mounting portion. The bracket-mounting portion is coupled to the swingarm. A cover member is coupled to the cover-mounting portion, deflecting the cover-mounting portion into a deflected condition. The cover member is urged toward the swingarm with the cover-mounting portion.
Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms “mounted,” “connected,” “supported,” and “coupled” and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Further, “connected” and “coupled” are not restricted to physical or mechanical connections or couplings.
One or two axle nut cover assemblies 52 are coupled to the swingarm 36 to cover one or both ends of the axle 40 and the respective axle nuts 48. One axle nut cover assembly 52 is shown on the motorcycle 20 in
As shown in
A spring portion 88 is positioned between the first and second portions 72, 80 of the mounting bracket 60. The spring portion 88 movably couples the first and second portions 72, 80 together. The spring portion 88 includes a pair of legs 88A oriented generally in a V-shape and forming an angle Φ of about 90 degrees therebetween, as shown in
As shown in
The mounting bracket 60 includes a third portion 100, which is spaced a distance from both the first and second portions 72, 80. The cover member 64 is configured to be mounted on the third portion 100 as described below. In the illustrated construction, the third portion 100 includes two coplanar flanges or tabs at a lower end of the mounting bracket 60 that extend from the second portion 80 and away from the swingarm 36. A second spring portion 104 is positioned between the second portion 80 and each of the tabs of the third portion 100. Similar to the first spring portion 88, the second spring portion 100 movably couples the second and third portions 80, 100 together. The second spring portion 104 facilitates elastic bending of the mounting bracket 60 between the second and third portions 80, 100. The second spring portion 104 has a natural condition defining a first configuration of the third portion 100 relative to the second portion 80 (FIGS. 6 and 11-13). The second spring portion 104 further has a deflected condition defining a second configuration of the third portion 100 relative to the second portion 80 (
The second spring portion 104 is in the deflected condition when the mounting bracket 60 is coupled to the swingarm 36 and the cover member 64 is coupled to the third portion 100 such that the cover member 64 is biased toward the swingarm 36 by energy stored in the deflected second spring portion 104. Thus, an upper portion 108 of the cover member 64 is urged securely into contact with the mounting bracket 60 and/or the swingarm 36 without a conventional fastener. Effectively, the cover member 64 is cantilevered from a lower portion 112 thereof. As illustrated in
As shown in
Thus, the invention provides, among other things, an aesthetically pleasing and functional axle nut cover assembly 52 for a motorcycle 20 using minimal threaded fasteners 68 and taking advantage of elastic deformation between multiple portions 72, 80, 100 of a mounting bracket 60 to promote tight fitting of both the mounting bracket 60 and a cover member 64 to a motorcycle swingarm 36 and to reduce vibration and noise in the axle nut cover assembly 52. Various features and advantages of the invention are set forth in the following claims.
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Number | Date | Country | |
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20090314569 A1 | Dec 2009 | US |