Automatic anti-tilt device for scaffoldings
Automatic control of work platforms
Emergency escape apparatus
Emergency exit device
Fire escape installation
Ladder working limit based ladder stopping device for aerial lad
Load-sensing mechanism for aerial work apparatus
Method and apparatus for providing a fire escape for a multi-sto
Personnel lift devices
Personnel transfer apparatus and method
Retractable ladder apparatus
Retractable transit coach step
Safety device for lifter-equipped extensible ladder vehicle
Security unit for a hanging stage scaffolding
Tension sensing device
Vertically movable, road towable work platform
Work platform centering apparatus
Work platform for buildings