Aerial lift bucket rotation device including bucket leveling mea

Details Aerial lift bucket rotation device including bucket leveling mea Aerial lift bucket rotation device including bucket leveling mea

1989-08-16

1990-04-17

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Means maintaining platform level on angularly movable support

Swingable support

B66F 1104

Patent

active

049172140

ABSTRACT:
An aerial lift including an improved structure for supporting the bucket or platform and compensating for changing forces on the bucket support structure as the bucket rotates from a side hung position to a forward position. The compensating structure provides for leveling of the bucket when the bucket rotates from the side hung position to the forward position and such that the bucket will be maintained level in both the side hung position and the forward position.

REFERENCES:
patent: 2996140 (1961-08-01), Troche et al.
patent: 3108656 (1963-10-01), Asplundh
patent: 3132718 (1964-05-01), Pierce
patent: 3159240 (1964-12-01), Miller
patent: 3467217 (1969-09-01), Zwight
patent: 3809180 (1974-05-01), Grove
patent: 3841436 (1974-10-01), Grove
patent: 3937340 (1976-02-01), Grove
patent: 4271926 (1981-06-01), Cullity
patent: 4326601 (1982-04-01), Grove et al.
patent: 4334594 (1982-06-01), Jost
patent: 4512436 (1985-04-01), Freudenthal et al.

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