Title: Shopping cart capable for use on stairs

Abstract: A conventional shopping cart is disclosed which is capable to climb a stairway either up or down in a manner that is less exhausting to a person; the cart including an endless track that can be swung outwardly from a retracted, out-of-the-way position so to rest across several steps while being pulled, and the track frame also having legs for automatically holding the cart from rolling down the stairs so that a person can stop to rest at any point along a stairway without need of holding the cart with his hand.

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Inventors: Saethre, Magnus
Spector, George

Application Number: 740540
Filing Date: 1976-11-10
Publication_date: 1978-12-19
Assignee:
Primary Class(es): 280/5.22
Other Classes:
US Patent Ref:

2193283	Mar, 1940	Haberson	280/5.
2902101	Sep, 1959	Cates	280/5.
3420540	Jan, 1969	Bird	280/5.
4047724	Sep, 1977	Shaffer	280/5.

Other Refs: 80841110841432362340120716

Jul, 1951	DE
Jun, 1960	DE
Jul, 1974	DE
Nov, 1970	NO

Primary Examiner: Pekar, John A.
Assistant Examiner:
Attorney: