Material or article handling – Vertically swinging load support – Door remover
Patent
1991-10-31
1992-06-30
Spar, Robert J.
Material or article handling
Vertically swinging load support
Door remover
254131, 280 4724, B66F 1100
Patent
active
051257866
ABSTRACT:
The invention is a dolly on wheels for lifting and moving manhole covers. The dolly has a pivotal sleeve into which a lifting bar fastens and a bottom plate with a crooked tail on its bottom side. The lifting bar has a pointed end which is used in conjunction with the bottom plate to lift small manhole covers and a finger end which is used in conjunction with the bottom plate and tail to lift large manhole covers.
REFERENCES:
patent: 4482182 (1984-11-01), Mortensen
patent: 5004282 (1991-04-01), Perry
Baker James J.
McNutt Markey C.
Dorman William S.
McKay Molly D.
Spar Robert J.
Underwood Donald W.
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