Limit switch system including first limit device and second limit device
First Claim
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1. An elevator system comprising:
- a hoistway;
an elevator car to travel in the hoistway; and
a limit device configured to determine a position of the elevator car at a location of the hoistway upon operating the elevator car in an inspection state;
wherein the limit device includes a first limit device configured to determine a position of the elevator car at a first location of the hoistway in a normal state and a second limit device configured to determine the position of the elevator car at a second location of the hoistway upon operating the elevator car in an inspection state;
wherein the first location and the second location are located at a top of the hoistway, the first location positioned at a vertical location below the second location.
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Abstract
A limit switch system for an elevator. The limit switch system includes a limit device configured to determine a position of the elevator car at a location of the hoistway upon selection of an inspection state.
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Citations
13 Claims
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1. An elevator system comprising:
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a hoistway; an elevator car to travel in the hoistway; and a limit device configured to determine a position of the elevator car at a location of the hoistway upon operating the elevator car in an inspection state; wherein the limit device includes a first limit device configured to determine a position of the elevator car at a first location of the hoistway in a normal state and a second limit device configured to determine the position of the elevator car at a second location of the hoistway upon operating the elevator car in an inspection state; wherein the first location and the second location are located at a top of the hoistway, the first location positioned at a vertical location below the second location. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A limit switch system for an elevator, the limit switch system comprising:
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a limit device configured to determine a position of the elevator car at a location of the hoistway upon selection of an inspection state; wherein the limit device includes a first limit device configured to detect a position of an elevator car at a first location of a hoistway in a normal state and a second limit device configured to detect a position of the elevator car at a second location of the hoistway upon selection of an inspection state; wherein the first location and the second location are located at a top of the hoistway, the first location positioned at a vertical location below the second location. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification