Manhole cover lifter

Details Manhole cover lifter Manhole cover lifter

1980-07-28

1982-12-28

Spar, Robert J.

Material or article handling

Vertically swinging load support

Door remover

254131, 280 4727, 294 91, B66F 1100

Patent

active

043659250

ABSTRACT:
A manhole cover lifter comprising an elongate inclined lever with a handle at its upper end and a fastener at its lower end for attaching to the cover of a manhole; a depending strut intermediate the ends of the lever and a pair of wheels mounted at the lower end of the strut and on a transverse axis forming a fulcrum for the lifting lever; a lifter bar connecting the wheel axle with the forward end of the lifter bar, the lifting lever being of tubular steel and a stiffener bar in the tubular lever at the upper end of the depending strut; and a handle at the upper end of the lifting lever.

REFERENCES:
patent: 421649 (1890-02-01), Annin
patent: 3157411 (1964-11-01), Rhodes
patent: 3666285 (1972-05-01), Fertig
patent: 3978607 (1976-09-01), Piere
patent: 4157810 (1979-06-01), Haller et al.
"Popular Mechanics;" Dec. 15, 1953; Hand Truck Equipped With Crane Lifts Heavy Loads.

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