Elevator alert system
AssigneeOtis Elevator Company
InventorJiro Murata
Life of this patent
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Abstract
An elevator alert system for alerting a mechanic working inside a hoistway comprises an elevator car vertically movable within a hoistway, a counterweight vertically movable within the hoistway and a compensation member with one end connected to the bottom of the elevator car and the other end connected to the bottom of the counterweight. The compensation member includes at least one light source attached to the compensation member near the elevator car or counterweight. The at least one light source longitudinally extends along the compensation member over a length.
Claims19
An elevator alert system for alerting a mechanic working inside a hoistway, comprising:
- an elevator car vertically movable within a hoistway;
- a counterweight vertically movable within the hoistway;
- a compensation member with one end connected to the bottom of the elevator car and the other end connected to the bottom of the counterweight;
- and
- at least one light source attached to the compensation member near the elevator car or counterweight, wherein the at least one light source longitudinally extends along the compensation member over a length.
A method for alerting a mechanic working inside a hoistway, comprising:
- attaching at least one light source to a compensation member with one end connected to the bottom of an elevator car and the other end connected to the bottom of a counterweight;
- and
- emitting light from the at least one light source to alert the mechanic that the elevator car or counterweight is approaching.
Dependencies are inferred from the claim text.