Brake equipment for holding and braking an elevator car in an elevator installation and a method of holding and braking an elevator installation
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United States of America Patent
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Nov 20, 2012
Grant Date -
Jun 5, 2008
app pub date -
Dec 5, 2007
filing date -
Dec 5, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Brake equipment for holding and braking an elevator car in an elevator installation, which is arranged to be movable along a brake track in two directions of travel, includes a mount with a brake lining which automatically adjusts under friction couple with the brake track on movement of the elevator car relative to the rail and in that case tightens a first tightening means, which can be released by an actuator. The first tightening means tightens the mount together with the brake lining against the brake track by a biasing force. The brake equipment produces, with unmoved brake equipment and an unreleased state of the actuator, a holding force acting in both directions of travel. The holding force is determined substantially by the biasing force acting on the mount.
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