Stairway accessible carry cart with foldaway wheels

Details Stairway accessible carry cart with foldaway wheels Stairway accessible carry cart with foldaway wheels

1988-03-17

1989-08-22

Marmor, Charles A.

Land vehicles

Step or abutment ascending type vehicle

With spider-type engaging means

280 39, 280655, 280 472, B62B 502

Patent

active

048589403

ABSTRACT:
A carry cart having auxiliary wheels on the lower portion of its telescoping arms for redistributing the load of the carry cart when going stairs or the like. The auxiliary wheels are each spring-loaded by two-way hinges. The hinges each include an upper left and upper right plate, a lower left and lower right plate, four springs and four rods.

REFERENCES:
patent: 3865392 (1975-02-01), Hartway
patent: 4310166 (1982-01-01), Eicher
patent: a4435115 (1984-03-01), Orstad et al.

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