A mechanical device attached to an elevator car frame or to an auxiliary frame, or to the counterweight frame, to stop and hold the car or counterweight in case of predetermined overspeed or free fall, or if the hoistin gropes slacken.
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- Graduated '93 Penn State BArch . Registered Architect since 1996. AIA Member. Founder & President, Anzalone Architecture, PLLC www.jamesanzalone.com