초록 ▼

A wheel assembly especially suitable for use on large heavy refuse carts. The wheel assembly includes an axle which has been heat treated and plated to provide a central core, an outer skin on the central core of substantially increased strength and hardness, and a chromium plating on the outer skin

A wheel assembly especially suitable for use on large heavy refuse carts. The wheel assembly includes an axle which has been heat treated and plated to provide a central core, an outer skin on the central core of substantially increased strength and hardness, and a chromium plating on the outer skin, and the associated hub of the wheel has been heat treated to provide an annular interior skin in journalling association with the axle having an increased hardness and strength as compared to the main body of the hub. The chrome plating on the axle has a hardness in excess of the hardness of the interior hardened skin of the wheel hub. The wheel assembly is mounted between spaced parallel mounting plates on the associated refuse cart with the ends of the axle passing through apertures in the lower ends of the mounting plates and with the assembly held in place between the mounting plates by a bolt carrying a washer and threadably engaging a blind bore in one end of the axle so as to position an end plate on the other end of the axle against the outboard face of the outboard mounting plate. A pair of seals are provided at each end of the hub of the wheel and an annular grease groove is provided in the hub inboard of each pair of seals.

대표청구항 ▼

A wheel assembly for use at the four corners of a cart to rollably support the cart, said wheel assembly comprising: (A) a pair of flange mounting plates adapted to be rigidly secured to a respective corner of the cart and extend downwardly from the main body of the cart in parallel spaced relation;

A wheel assembly for use at the four corners of a cart to rollably support the cart, said wheel assembly comprising: (A) a pair of flange mounting plates adapted to be rigidly secured to a respective corner of the cart and extend downwardly from the main body of the cart in parallel spaced relation; (B) an aperture in the lower end of each mounting plate; (C) an axle passing slidably through said apertures in said mounting plates and presenting a journal portion of round cross section between said plates; (D) a wheel comprising a tubular hub positioned between said mounting plates and journalled on said axle journal portion, a rim, and means rigidly interconnecting said rim and said hub in concentric relation; (E) means defining an annular lubricant reservoir along the annular journal interface of said hub and said axle journal portion; and (F) an elastomeric annular seal at each end of said interface at opposite sides of said annular lubricant reservoir.