Hand-operated type hoister

A hand cranking hoister comprises a self-locking mechanism, a retarding mechanism and a guide rope mechanism. A left and a right trays are arranged in the left and right sides of a gear shaft of the retarding mechanism, a double gear, a single gear and a rope gear are all arranged between the left t...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	TANG WENSHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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