Boom elevating device for line lifts

Details Boom elevating device for line lifts Boom elevating device for line lifts

1989-04-24

1990-07-31

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Means maintaining platform level on angularly movable support

Swingable support

212266, B66F 1104

Patent

active

049443640

ABSTRACT:
An improved boom elevating device for a line lift or other aerial lift is disclosed. The present invention vastly expands the range of movement of the line lift through use of an extension arm, attached between a line lift boom and conventional boom actuating means, and an extension arm activating means.

REFERENCES:
patent: 3127952 (1964-04-01), Baerg
patent: 3252542 (1966-05-01), Trump

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