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US 6,848,543 B2Granted
Single wall interface traction elevator
AssigneeOtis Elevator Company
InventorsLeandre Adifon, Pedro Baranda, Marc Chevilliard, Jean Marc Ferrary, Ron Laliberte, Pascal Rebillard, Fernando Rico, Armando Servia, Alberto Vecchiotti
Life of this patent
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Abstract
An elevator system (1) includes a guide rail bracket (10) attached to a single hoistway wall (20). Car guide rails (5) and counterweight guide rails (6) are fixed to the bracket (10). The counterweight guide rails (6) are positioned in between the car guide rails (5) so that the counterweight (11) can translate therebetween. The elevator car (8) is supported by rope (4) and sheave (2, 3) members coupled to a traction drive (16).
Claims1
An elevator system comprising
- an elevator car adapted to move within a hoistway;
- a counterweight coupled to said elevator car for simultaneous movement;
- a guide structure for guiding the movement of said elevator car an said counterweight;
- drive means mounted to said guide structure for driving said elevator car and said counterweight;
- a traction sheave aligned at an angle of about 15 degrees relative a first hoistway wall;
- and
- a top deflection sheave and two lower sheaves, each being aligned generally parallel to said first hoistway wall.
4 more elements
Dependencies are inferred from the claim text.