Rack and pinion lift system

Rail-mounted vehicle jack

Rail-mounted, high-lift stacking vehicle

Ready clamp

Recalibration of hitch load weighing using dynamic tare

Recessed garbage can container

Reduction of noise and vibration in an elevator car by selective

Regulator valve

Relative position monitoring apparatus

Relative system response elevator call assignments

Relative system response elevator dispatcher system using artifi

Releasable hoistway door safety interlock

Remote call registration system for elevator

Removable cylinder arrangement for lift

Replacement elevator call button unit

Rescue operating apparatus for elevator

Restraining elevator car motion while the doors are open

Retainer assembly

Retractable elevator door

Retractable passenger lift