Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent
1981-08-27
1984-07-10
Blix, Trygve M.
Fire escape, ladder, or scaffold
Means maintaining platform level on angularly movable support
Swingable support
212189, 212231, E04G 100, B66C 2304
Patent
active
044587805
ABSTRACT:
A mobile crane or aerial lift platform vehicle wherein the chassis comprises a horizontally disposed solid metal slab carrying axle/outrigger mountings and on which the boom or jib turntable is mounted. This has the advantage both of providing stability because of the weight of the solid chassis and of cheaper fabrication and assembly.
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Blix Trygve M.
Coles Cranes Limited
Johnson R. B.
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