A hoist 100 for a load includes a drum and a motor (102, 106 fig.1) whereby drive is transferred to the drum via a mechanical interface arrangement. The hoist includes a brake mechanism having an array of teeth 124, which may be on a flange 122, and a brake block 132 that engages with the teeth. The teeth may be separated by a land region 130 that may be 50% or more of the width of the tooth base. The brake block may have first and second braking surfaces 144, 146 to engage with the tip of the tooth at 148 and may have third and fourth braking surfaces 154, 156 to engage flange 122 between a pair of teeth.
Hoist with safety function
2023-04-05
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |