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US 10,118,799 B2Granted
Multicar self-propelled elevator system
AssigneeOtis Elevator Company
InventorZbigniew Piech
Life of this patent
Estimating the term…
Abstract
An elevator system includes a first hoistway; a second hoistway; and a structural member disposed between the first hoistway and the second hoistway; the structural member supporting a first stationary portion of a propulsion system for the first hoistway; the structural member supporting a first guide surface for an elevator car in the first hoistway; the structural member supporting a second stationary portion of the propulsion system for the second hoistway; the structural member supporting a second guide surface for an elevator car in the second hoistway.
Claims9
An elevator system comprising:
- a first hoistway;
- a second hoistway;
- a first stationary portion of a propulsion system positioned in the first hoistway;
- a second stationary portion of the propulsion system positioned in the first hoistway;
- a first guide element for guiding an elevator car, the first guide element positioned in the first hoistway;
- a second guide element for guiding the elevator car, the second guide element positioned in the first hoistway;
- wherein the first stationary portion of the propulsion system is positioned on a first wall of the first hoistway, the second stationary portion of the propulsion system is positioned on a second wall of the first hoistway, the first wall and second wall being opposing walls of the hoistway;
- wherein the first stationary portion of the propulsion system comprises a pair of beams having windings positioned between the beams, a plurality of openings formed in at least one of the beams, a plurality of braces connecting the pair of beams and a plurality of support brackets extending from each of the beams.
5 more elements
Dependencies are inferred from the claim text.