Rail supported articulated climbing dolly

Details Rail supported articulated climbing dolly Rail supported articulated climbing dolly

1986-04-17

1987-12-29

Paperner, Leslie J.

Material or article handling

Skidway with hoisting rope

414538, B65G 1102

Patent

active

047157690

ABSTRACT:
In a climbing four-wheel dolly for moving a load from one elevation to another, a pair of box-channel tracks form a ramp in which sliding door track rollers, mounted on the axle support adjacent the respective dolly wheel channel track, guidingly support the dolly. The dolly is moved up or down the tracks by a winch and pulley arrangement having a cable connected with a tongue at one end of the dolly.

REFERENCES:
patent: 2191184 (1940-02-01), Voorheis
patent: 2387082 (1945-10-01), Malling
patent: 2659504 (1953-11-01), Kranawetvogel et al.
patent: 2958432 (1960-11-01), Milhem
patent: 3480166 (1969-11-01), Abbott
patent: 3524412 (1970-08-01), Wilson
patent: 3809266 (1974-05-01), Salerni

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