Hand trolley

Details Hand trolley Hand trolley

1980-10-24

1983-01-18

Peters, Jr., Joseph F.

Land vehicles

Step or abutment ascending type vehicle

With skid or rollerway

280 472, B62B 502

Patent

active

043688969

ABSTRACT:
A trolley 10 for negotiating stairs with three overlapping pairs of wheels 11, 18, 19 the tangential plane 20 of which is fixed acute angle of about 30.degree. to the back 13 of the frame 12. In normal use the wheels 18, 19 are off the ground so that trolley 10 can be easily maneuvered on front wheels 11.

REFERENCES:
patent: 2772096 (1956-11-01), Hanson
patent: 3052323 (1962-09-01), Hopfeld
patent: 4247125 (1981-01-01), Rayment

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