Chain shortener

The utility model relates to a chain shortener which is technically characterized in that both ends of a body of the chain shortener are respectively provided with a locking end and an adjusting end; the locking end is provided with a through hole passing through a chain; the bottom of the locking e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO JINSONG, CAO HUIZHI, MA HONGWEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVINGPURPOSES BLASTING CHAINS ENGINEERING ELEMENTS AND UNITS FITTINGS PREDOMINANTLY USED THEREFOR GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a chain shortener which is technically characterized in that both ends of a body of the chain shortener are respectively provided with a locking end and an adjusting end; the locking end is provided with a through hole passing through a chain; the bottom of the locking end is provided with cross-shaped groove openings in which two chain rings are exactly arranged and hinged with each other as a cross; an expansion pin is transversally installed at a cross-shaped groove opening of the locking end; the adjusting end is provided with a vertical groove of the chain and a chain ring; and the front end of the vertical groove is transversally provided with a safety pin. The chain shortener has simple integral structure, skilful design, and time-saving and labor-saving performance, and is capable of adjusting the length of the chain quickly; and Tianjin Institute of Scientific and Technical Information has proved that no chain shortener with the same comprehensive technical characteristic