Guide wheel assembly for carts

Details Guide wheel assembly for carts Guide wheel assembly for carts

2007-04-03

2007-04-03

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Nesting vehicles

C280SDIG007

Reexamination Certificate

active

10940346

ABSTRACT:
A guide wheel assembly adapted to retrofit a shopping cart having a guide wheel capable of only rotating in the intended direction of travel of the shopping cart and a flexible one piece mechanism possessing strong material memory such that constant contact between the guide wheel and a traveling surface is maintained. The guide wheel assembly is configured to allow the nesting of multiple carts.

REFERENCES:
patent: 2935331 (1960-05-01), Ledgerwood
patent: 3405783 (1968-10-01), Clark et al.
patent: 3475036 (1969-10-01), Smith
patent: 3772994 (1973-11-01), Juarbe
patent: 4580800 (1986-04-01), Upton et al.
patent: 4826186 (1989-05-01), Hagelin
patent: 5033757 (1991-07-01), Lloyd
patent: 6271755 (2001-08-01), Prather et al.
patent: 6331009 (2001-12-01), Wilkinson

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