HOISTING MECHANISM

A hoisting mechanism comprises two main modules; a base ( 1 ) and a top-section ( 8 ). The base supports two concentric rings ( 2 and 3 ) with three or more flexible links ( 5 and 6 ) pivotally connected to each ring. There is one inner ( 6 ) and one outer ( 5 ) set of links, where the inner ( 6 ) s...

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Bibliographische Detailangaben
1. Verfasser:	MOENGEN CHRISTIAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CRANES ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING LIFTING LIGHTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MECHANICAL ENGINEERING PERFORMING OPERATIONS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A hoisting mechanism comprises two main modules; a base ( 1 ) and a top-section ( 8 ). The base supports two concentric rings ( 2 and 3 ) with three or more flexible links ( 5 and 6 ) pivotally connected to each ring. There is one inner ( 6 ) and one outer ( 5 ) set of links, where the inner ( 6 ) set is pivotally connected to an inner ring ( 2 ) and the outer ( 5 ) set is pivotally connected to an outer ring ( 3 ). A ring ( 4 ) at the top is connected to all of the flexible links with rotary joints ( 9 ). When the two rings ( 2, 3 ) in the base are rotated in opposite directions, the flexible links ( 5 and 6 ) will force the top ring ( 4 ) to move up or down depending on the direction of which the concentric rings are turned.