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US 12,515,917 B2Granted
Elevator door interface monitor
AssigneeOtis Elevator Company
InventorWei Wei
Life of this patent
Estimating the term…
Abstract
An illustrative example embodiment of an elevator door interface monitor includes at least one hook having a portion that is configured to be situated across the interface and moveable responsive to contact with an item situated at least partially in the interface. An indicator provides an indication of an item in the interface based on movement of the hook responsive to contact with the item.
Claims20
An elevator door interface monitor, comprising:
- at least a first hook and a second hook each having a portion that is configured to be situated across an interface and moveable responsive to contact with an item situated at least partially in the interface, and wherein the first hook moves about a first pivot and the second hook moves about a second pivot;
- a rigid link having a first portion connected to the first look at a first connection and a second portion connected to the second hook at a second connection, and wherein the first pivot is on a first side of the rigid link and the second pivot is on a second opposite side of the field link;
- and
- an indicator for each of the first hook and the second hook that provides an indication of an item in the interface based on movement of the first hook or second hook responsive to contact with the item.
1 more element
A method of monitoring an elevator door interface, the method comprising:
- situating a portion of at least one a first hook and a second hook across an interface, wherein the first hook moves about a first pivot and the second hook moves about a second pivot;
- moving at least the portion of the first hook or the second hook responsive to contact with an item situated at least partially in the interface;
- connecting a first portion of a rigid link to the first hook at a first connection and connecting a second portion of the rigid link to the second hook at a second connection, wherein first pivot is on a first side of the rigid link and the second pivot is on a second opposite side of the rigid link;
- providing an indication of the item in the interface based on movement of the first hook of second hook responsive to contact with the item.
1 more element
Dependencies are inferred from the claim text.