Manhole cover removal apparatus and method

Details Manhole cover removal apparatus and method Manhole cover removal apparatus and method

1998-01-21

2000-12-26

Keenan, James W.

Material or article handling

Self-loading or unloading vehicles

Loading or unloading by other carrier or mover means, and...

212166, 294 655, 414541, 414589, B66C 106

Patent

active

061648981

ABSTRACT:
In a vehicle of a type including a body carried by a wheeled chassis and a metallic manhole cover removably mounted with a hole accessing an enclosure, an apparatus for removing the manhole cover, the apparatus comprising a gripping member carried by the vehicle for movement in reciprocal directions between a first position to grasp the manhole cover and a second position to remove the manhole cover from the hole, and a drive assembly mounted with the vehicle and the gripping member for moving the gripping member in reciprocal directions.

REFERENCES:
patent: 2239750 (1941-04-01), Weeks et al.
patent: 2535961 (1950-12-01), Schutt
patent: 2622750 (1952-12-01), Ehlers
patent: 3557967 (1971-01-01), Madole
patent: 4162471 (1979-07-01), Peace et al.
patent: 4225171 (1980-09-01), Hay, II et al.
patent: 4323329 (1982-04-01), Chlad
patent: 4659276 (1987-04-01), Billett
patent: 5035336 (1991-07-01), Schmitz et al.

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