Articulated aerial lift

Details Articulated aerial lift Articulated aerial lift

1995-02-23

1995-10-24

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

182 2, B66F 1104

Patent

active

054602467

ABSTRACT:
An articulated aerial lift has a platform that is coupled to one end of a boom. The other end of the boom is connected to an upper end of a riser. An arm couples the lower end of the riser to a turret. As the arm moves between a lowermost position to a raised position, the riser rotates between a forward position to a backward position in order to reduce an overturning moment caused by the platform. Rotation of the riser can be accomplished with nonparallel arms.

REFERENCES:
patent: Re31400 (1983-10-01), Rallis et al.
patent: 3575262 (1971-04-01), Way
patent: 3708037 (1973-01-01), Tranchero
patent: 4757875 (1988-07-01), Hade, Jr. et al.
patent: 4775029 (1988-10-01), MacDonald et al.
patent: 5082085 (1992-01-01), Ream et al.
patent: 5249643 (1993-10-01), Backer et al.
American National Standard for boom-supported elevating work platforms, American National Standards Institute, Inc., Jul. 17, 1980, pp. 1-12.

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