Otis Elevator Company

Marc Frederic Chevilliard

Leandre Adifon

Pedro S Baranda

Pascal Rebillard

Alberto Vecchiotti

Bruce St Pierre

Armando Servia

Jean-Noel Cloux

Fernando Rico

Jean Marc Ferrary

Jean-Pierre Pougny

Masashi Kawarasaki

Jean-Pierre Menard

Frank W Adams

Frederic Bruno Delmas

Yutaka Matsumoto

Gregory Milton O'Seep

Stephen Roberts

Ron Laliberte

Lap Yick Lee

An elevator system includes a hoistway defined by a surrounding structure. An elevator car and counterweight are located in the hoistway, and a drive motor is located between the elevator car and a sidewall of the hoistway. The drive motor drivingly couples and suspends the elevator car and counterweight via at least one flat rope or belt.

Elevator system having drive motor located between elevator car and hoistway sidewall

An elevator system () includes a guide rail bracket () attached to a single hoistway wall (). Car guide rails () and counterweight guide rails () are fixed to the bracket (). The counterweight guide rails () are positioned in between the car guide rails () so that the counterweight () can translate therebetween. The elevator car () is supported by rope () and sheave () members coupled to a traction drive ().

Single wall interface traction elevator

A car door lock for locking elevator car doors when the elevator car is in transit and/or outside the door zone includes a solenoid activated lever that pushes a lock arm to open. The solenoid is activated in two phases to reduce associated noise. The car door lock includes an operator switch which signals the door controller that the door lock is opened and the elevator car door is free to be opened. The car door also includes a safety switch which signals the door controller that the elevator car door lock is closed.

Car door lock

Growing community of inventors

Penang, Malaysia

Marc Frederic Chevilliard