Statistical reports from Continental sources reveal fact that operation of elevator safety brakes is satisfactory only in about two-thirds of cases, whereas in twice as many instances undue operation takes place, sometimes with serious consequences; reasons of faulty operation; various brake releasers discussed. From Engrs' Digest Dec 1941.
Automatic releasing of safety brakes of lifts
Mech Handling
Mechanical Handling ; 29 , n 3
1942
3 pages
Aufsatz (Zeitschrift)
Englisch
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