A counterweight slack detection switch including a body, a first belt guide mounted to the body and configured to engage a first side of a tension member, a second belt guide mounted to the body and configured to engage the first side of the tension member, a lever arm having a first end and a second end, the first end pivotally mounted to the body, a deflectable member biasing the lever arm relative to the body, a third belt guide mounted to the second end of the lever arm and configured to bias the tension member from a tension position to a slack position, and a switch mounted to the body and configured to contact the tension member when the tension member is in at least one of the tension position and the slack position.
COUNTERWEIGHT SLACK BELT DETECTION SWITCH
2020-01-02
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
Belt Pretensioning and Standardized "Slack" Dummy
British Library Conference Proceedings | 1996
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