(57) Blocking device for the car of an elevator system, comprising a latch, a latch guide
body and a position switch, wherein the latch lies displaceably in the latch guide
body and, in the extended position, can engage in a latch receiving opening of a car
sling, preferably embodied in the horizontal beam of the car sling, when the latch
is at a correspondingly aligned height with respect to the latch receiving opening
of the car sling, the blocking device with its latch guide body, which preferably
carries the latch and the position switch, being mountable on the car guide rail of
the elevator system, and the latch comprises a curvature notch on a horizontal edge
of the latch, which can at least partially accommodate a position sensor of the position
switch.
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