Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 268
1028. CENTRIFUGAL SAFETY CATCHfor hoisting drums. The studs D, D, D are fixedto the hoisting drum frame. B is a flange fastto the drum shaft and to which is pinioned thesafety hooks. At ordinary speed of the drumthe hooks hang back so as not to touch the studs.An unusual acceleration of speed…
Mechanical movements
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