System for expanding and retracting telescoping seating row...

Details System for expanding and retracting telescoping seating row... System for expanding and retracting telescoping seating row...

A - Human Necessities

47

C

342/29.6

A47C 1/12 (2006.01) H02P 5/74 (2006.01)

Patent

CA 1039387

SYSTEM FOR EXPANDING AND RETRACTING TELESCOPING SEATING ROW SECTIONS Abstract of the Disclosure An improved system for controlling the extension and retraction of telescoping seating row systems wherein an electrical motor drives an advancing and retracting mechanism. A separate motor is provided for each independent seating unit, which may comprise one or more seating sections. All motors are controlled in parallel by a master control motor, and the sections extend and retract synchronously and in parallel as a unit. A system is also disclosed for programming the operation of a predetermined number of rows, less than the entire section.

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