Title: Stairway-climbing cart

Abstract: A stairway climbing cart for lifting goods along the stairway which may also be moved on the floor. The cart has a driving crawler belt at the central portion thereof for facilitating the turning of the cart at the stage of the stairway and has a pair of wheels and sledge members at both sides of the cart. The wheels are to move on the floor and the sledge members are to prevent the lateral overthrow of the cart.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Ikarimoto, Yasuaki (Sendai, JA)

Application Number: 633915
Filing Date: 1975-11-20
Publication_date: 1977-07-05
Assignee: Sunwa Sharyo Mfg. Co., Ltd. (Tokyo, JA)
Primary Class(es): 180/8.2 280/5.22
Other Classes:
US Patent Ref:

3092200	Jun, 1963	Chambers	280/5.
3195919	Jul, 1965	Lossman	280/47.
3512658	May, 1970	Harlan	180/9.
3713501	Jan, 1973	Hurt	280/5.
3810662	May, 1974	Commanda	280/47.

Other Refs:
Primary Examiner: Peters, Jr., Joseph F.
Assistant Examiner: Pekar, John A.
Attorney: Farber; Martin A.