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Method of controlling access to an elevator car

  • US 8,602,171 B2
  • Filed: 07/26/2007
  • Issued: 12/10/2013
  • Est. Priority Date: 07/26/2006
  • Status: Active Grant
First Claim
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1. A method of controlling access to an elevator car, comprising the steps of:

  • unlocking or opening a landing door of an elevator shaft in which the car is running; and

    switching an elevator control into a maintenance mode, the switching causing the car to travel to a predetermined stop position of a selected floor, which predetermined stop position is a position wherein a floor of the elevator car and a floor of the landing are not coplanar, the predetermined stop position permitting access to at least one of a roof and an underside of the elevator car from the selected floor, the elevator control being switched into said maintenance mode by;

    first, unlocking or opening the landing door; and

    second, operating a landing call receiving means in a predetermined identification pattern which differs from a call pattern for calling the elevator in normal elevator operation, the landing call receiving means and the landing door located at the selected floor, the predetermined stop position based on the selected floor.

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