Elevator car parking brake
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United States of America Patent
Stats
-
Nov 15, 2022
Grant Date -
Jul 2, 2020
app pub date -
Dec 19, 2019
filing date -
Dec 31, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to an aspect, there is provided an elevator car parking brake. An operating fork is configured to move within a housing in a direction perpendicular to an end surface of a guide rail in response to operating an actuator. When the actuator is operated to move the operating fork within the housing towards the guide rail to achieve a braking state, the operating fork is configured to push braking wedges towards side surfaces of the guide rail to contact the side surfaces. When the actuator is operated to move the operating fork within the housing away from the guide rail to achieve a brake release state, detaching means are configured to pull the braking wedges away from the side surfaces of the guide rail.
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