73640812
Jan 21, 1987
Jul 19, 1988
PASSENGER ELEVATOR SYSTEMS COMPRISED OF; ONE OR MORE ELEVATOR CARS, LIFTING CABLES, SHEAVES AND GUIDE RAILS FOR EACH CAR, AN ELECTRIC DRIVE MOTOR FOR EACH CAR, A DRIVE MOTOR CONTROL FOR EACH MOTOR, A CAR DOOR AND A HATCHWAY DOOR FOR EACH CAR, A DOOR DRIVE AND DOOR DRIVE CONTROLS FOR EACH CAR, A SIGNAL SYSTEM COMPRISING IN-CORRIDOR AND IN-CAR PUSH BUTTONS, COVER PLATES FOR SAID PUSH BUTTONS, IN-CORRIDOR AND IN-CAR INDICATOR LIGHTS AND AUDIBLE SIGNALS, AND A PROGRAMMABLE MICRO-PROCESSOR LOGIC CONTROL FOR ALL THE AFORESAID CONTROLS; BEING USED ON THE GOODS ONLY FOR COMPLETE ELEVATOR SYSTEMS AND NOT FOR A SINGLE COMPONENT THEREOF
Machinery