Shopping cart having caster lift

Details Shopping cart having caster lift Shopping cart having caster lift

2007-05-15

2007-05-15

Vanaman, Frank (Department: 3618)

Land vehicles

Wheeled

Nesting vehicles

Reexamination Certificate

active

11228810

ABSTRACT:
In a shopping cart, which is nestable with similar carts, a transverse extending member bridges two longitudinally extending members, each mounting a cam-engaging member. Two cams are mounted to the transversely extending members. When engaged by the cam-engaging members of a following cart being nested into the shopping cart, the cams lift a back end of the shopping cart, so as to lift rear casters of the shopping cart.

REFERENCES:
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patent: 5409245 (1995-04-01), Kern et al.
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patent: 6488292 (2002-12-01), O'Quin
patent: 6923456 (2005-08-01), Ryan et al.
patent: 2003/0205875 (2003-11-01), Ondrasik et al.
patent: 2004/0046341 (2004-03-01), Wilkinson
patent: 2004/0084863 (2004-05-01), Ryan et al.
patent: 2004/0201187 (2004-10-01), Ondrasik
patent: 2176444 (1986-12-01), None

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