Wheel assembly for mounting to an axle of a wheeled product
First Claim
Patent Images
1. A wheel assembly for mounting to an axle of a wheeled product, comprising:
- a wheel having an axially extending opening; and
a locking element insertable in said opening;
said locking element having a pair of extensions, the extensions having;
a first engagement, mounted on said extensions, which releasingly engages said wheel in said opening by flexing radially of edges of said opening; and
a detent second engagement, mounted on said extensions, said detent second engagement being flexible to enable said detent second engagement to releasingly engage said axle.
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Abstract
A wheel assembly for mounting to an axle of a wheeled product includes a wheel having an opening and a locking element which is insertable in the opening to secure the wheel to the axle. The locking element has a portion engaging the wheel and a second flexible portion for releasably engaging the axle. The locking element is so constructed as to allow a tool to be inserted therethrough for releasing engagement between the wheel assembly from the axle.
43 Citations
10 Claims
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1. A wheel assembly for mounting to an axle of a wheeled product, comprising:
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a wheel having an axially extending opening; and a locking element insertable in said opening; said locking element having a pair of extensions, the extensions having; a first engagement, mounted on said extensions, which releasingly engages said wheel in said opening by flexing radially of edges of said opening; and a detent second engagement, mounted on said extensions, said detent second engagement being flexible to enable said detent second engagement to releasingly engage said axle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A locking element for locking a wheel to an axle, comprising:
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a front wall and a pair of extensions, each one of said extensions comprising an outer arm portion and an inner arm portion, each one of said arm portions having a first end opposite a second end;
said outer arm portion and said inner arm portion being flexibly mounted to a respective extension, by said first end, said second opposite end being free and extending generally axially towards said front wall;upon insertion of the locking element in an opening of the wheel, said outer arm portions being configured to flex radially inward of opposite edges of said opening as the outer arm portions contact said edges of said opening of the wheel, and said inner arms being configured to flex radially outward away from the axle of the wheel as the inner arms contact the axle of the wheel; and once the locking element is inserted in the opening of the wheel, said outer arm portions being configured to flex radially outward from the interior of the opening to engage areas of the wheel adjacent the opening, and said inner arms being configured to flex radially inward towards the axle of the wheel and engaging into an annular groove of the axle. - View Dependent Claims (10)
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Specification