HAMMER HEAD FOR HAMMER GRAB

PROBLEM TO BE SOLVED: To provide a hammer head, which does not fall even by the application of external force such as a continuous impact by the operation or the like of a hammer grab and in which assembly and replacement are facilitated, and a hammer grab device using the hammer head. SOLUTION: In...

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Bibliographische Detailangaben
1. Verfasser:	ONO HARUMI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a hammer head, which does not fall even by the application of external force such as a continuous impact by the operation or the like of a hammer grab and in which assembly and replacement are facilitated, and a hammer grab device using the hammer head. SOLUTION: In the hammer head 30 installed at one end of the hammer grab and engaged with a crown 50 suspended from a crane, the hammer head has an engaging section engaged with the crown 50, a sliding block 20 with a cylindrical section 21b extended in one direction, using the engaging section 21a as a starting point and a hammer head body 31 mounted around the cylindrical section, and the engaging section 21a and the cylindrical section 21b are formed by integral working.