Hoistway intrusion detection
AssigneeOtis Elevator Company
InventorsWolfgang Schoppa, Axel Gerwing
Life of this patent
Estimating the term…
Abstract
Elevator, exhibiting an elevator shaft (34) and a car (32) which is movably provided inside the elevator shaft (34), and a safety installation (2), which is designed in such a way that it can take the elevator out of service in a dangerous situation, characterized by the fact that the safety installation (2) is equipped with a shaft monitoring device.
Claims21
An elevator system including an elevator shaft and a car, which is movable inside the elevator shaft, and a safety installation, which is designed in such a way that it can take the elevator out of service in a dangerous situation, said safety installation comprising:
- a shaft monitoring device.
Method for retrofitting a shaft monitoring device in an existing elevator with a safety installation which is designed in such a way that it can take the elevator out of service in a dangerous situation which is recognized as such by the safety installation comprising the steps of:
- providing a shaft monitoring device;
- mounting the shaft monitoring device in the elevator shaft;
- connecting the shaft monitoring device to the safety installation;, and
- performing a function check of the safety installation.
Dependencies are inferred from the claim text.