Ball joint wheel assembly

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

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Details

153271, 301 1, A47L 900

Patent

active

057550085

ABSTRACT:
A ball joint wheel assembly is disclosed which includes an axle with at least one ball end, to which a wheel is secured. The wheel includes a socket for retaining the ball end, thereby forming a ball joint for supporting the rotation of the wheel. A bore is connected to the socket for receiving the axle and defining a bore wall within the wheel. The bore is substantially conical and has a desired bore angle. The bore wall thereby defines and limits the swivel angle of the wheel.

REFERENCES:
patent: 1976068 (1934-10-01), Higbee
patent: 3608236 (1971-09-01), Beny et al.
patent: 3720449 (1973-03-01), Godin

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