Single operator on ground controls trolley-locking mechanism on portable gantry. Mechanism prevents trolley and load from moving along track when gantry is wheeled from one location to another. A downward pull on chain withdraws brakeshoes from trolley wheels. When operator releases chain, brakeshoes reengage to wheels.
Lock for Gantry Trolley
NASA Tech Briefs ; 6 , 4
1982-12-01
Sonstige
Keine Angabe
Englisch
Gantry trolley with rotation mechanism and control method of gantry trolley
Europäisches Patentamt | 2020
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