Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent
1981-06-16
1984-06-26
Gruber, Felix D.
Fire escape, ladder, or scaffold
Means maintaining platform level on angularly movable support
Swingable support
182 18, 182 19, 212149, 212155, 364463, B66F 1104
Patent
active
044560931
ABSTRACT:
An electronic control system allows control over the safe operation of an aerial work platform machine. The control system uses a firmware programmed digital processor to execute a sequence of steps to monitor and control the safe operation of the work platform machine so that tipping and damage are prevented. The control system has sensors to measure the condition of the work platform machine and has outputs allowing control over the work platform machine.
REFERENCES:
patent: 3740534 (1973-06-01), Keger et al.
patent: 4178591 (1979-12-01), Geppert
patent: 4359137 (1982-11-01), Merz et al.
"Markload Digital Display" by Markload Systems, Inc., (5 Leaflets).
"Step Up To the Ultimate In Portable Weighing In Motion", (2 brochures, 8 leaflets.
"Mobile Scaffolding" by Mobile Scaffolding of La Miraca, CA, (brochure with leaflets).
"Compulift Crane Warning Systems" by Litton Systems, Inc., (brochure).
"Weighload Rated Load Indicator" by Weighload, Inc., (brochure).
Beck Laurence A.
Finley David R.
Gruber Felix D.
Interstate Electronics Corp.
Malamud Ronni S.
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