Elevator system having a platform on top of or below the car
AssigneeOtis Elevator Company
InventorGerard Sirigu
Life of this patent
Estimating the term…
Abstract
An elevator system (1) to be positioned in a hoistway (2). The elevator system includes an elevator car (3), at least one guide rail (4) for guiding the elevator car when moving up and down in the hoistway, and a security device (5) that is designed and arranged in such way that a safety volume (6) above or below the elevator car inside the hoistway can be set in at least one secured state for safe maintenance operation of a mechanic inside the safety volume. The security device comprises at least one first blocking device (7) attached to the at least one guide rail or configured for being mounted to a wall of the hoistway and at least one second blocking device (8) configured to be mounted on or in the elevator car to cooperate with the first blocking device.
Claims15
An elevator system (1) to be positioned in a hoistway (2), the elevator system (1) comprising:
- an elevator car (3),
- at least one guide rail (4) for guiding the elevator car (3) when moving up and down in the hoistway (2), and
- a security device (5) that is designed and arranged in such way that a safety volume (6) above or below the elevator car (3) inside the hoistway (2) can be set in at least one secured state for safe maintenance operation of a mechanic inside the safety volume (6),
- wherein the security device (3) comprises at least one first blocking device (7) attached to the at least one guide rail (4) or configured for being mounted to a wall of the hoistway (2) and at least one second blocking device (8) configured to be mounted on or in the elevator car (3) to interact with the first blocking device (7) to prevent upward movement of the elevator car (3) when the safety volume (6) is arranged above the elevator car (3) or downward movement of the elevator car (3) when the safety volume (6) is arranged below the elevator car (3).
Dependencies are inferred from the claim text.