ADA Accessibility: Platform Lifts
88
Vertical Platform Lifts - Drive Systems
Leadscrew
Drive System
òDriven
by a single-phase motor attached to a 1ö ACME screw, the platform
travels between landings at approximately 9 ft. per minute.
òThe
platform may be lowered manually in the event of a power failure using a
hand wheel
òEmergency
battery lowering is available from at least one manufacturer.á This is a separate drive
system that has its own small motor and battery.á It automatically engages in the event of a
power failure.
òLeadscrew
Drive Systems are generally limited to 12 feet of vertical
rise.á
òThe
drive mast always ships in one piece.á This
may be an issue depending on location.
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