Snap-on swivel wheel assembly

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Antifrictionally swivelled

Patent

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Details

301111, 16 31A, B60B 3300

Patent

active

053614542

ABSTRACT:
A modular wheel assembly for use with apparatus having a weight-bearing frame, such as a baby stroller, includes a mounting unit consisting of a cylindrical tubular member having an open upper end and a closed lower end wall. The tubular member is dimensioned to receive the lower end of a tubular frame member of the apparatus. A wheel supporting unit includes a cylindrical sleeve portion dimensioned to receive the tubular member of the mounting unit in close tolerance, freely rotating fashion. The sleeve portion and mounting unit are dimensioned so that the weight supported by the frame member is transferred through the bearing flange of the mounting unit to the cylindrical sleeve portion of the wheel supporting unit. An axle tube extends perpendicularly through lower end portions of the web members to be supported thereby. The axle tube is adapted to receive an axle therethrough, with a pair of wheels secured to opposed ends of the axle. A fastener comprised of a disc and a barb-like fastener extending coaxially therefrom is dimensioned to extend compressively through a hole in the lower end wall of the mounting unit, and to expand therein and be retained in a snap-engagement.

REFERENCES:
patent: 4102172 (1978-07-01), Iiyoshi
patent: 4107817 (1978-08-01), Sloan
patent: 4229855 (1980-10-01), Rowe
patent: 4897895 (1990-02-01), Wang
patent: 5237721 (1993-08-01), Andrisin, III

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