PNEUMATICALLY-OPERATED HOIST WITH AUTOMATIC CONTROL SYSTEM

A pneumatically-operated hoist is operated through an automatic, pneumatic control system. The operation of the hoist is initiated through an external signal for the pneumatic control system by means of which the hoist is automatically directed through a plurality of sequential steps. The hoist pref...

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Hauptverfasser: FOSTER E,US, STONE C,US
Format: Patent
Sprache:eng
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