HAMMER GRAB

PROBLEM TO BE SOLVED: To provide a hammer grab which facilitates the operations of attaching, repairing and replacing a fixed pulley arranged on the upside of the inside of a casing, the operation of re-looping a transmission member, or the like. SOLUTION: In this hammer grab, the fixed pulley 3 is...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	TOKIMUNE AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	DREDGING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a hammer grab which facilitates the operations of attaching, repairing and replacing a fixed pulley arranged on the upside of the inside of a casing, the operation of re-looping a transmission member, or the like. SOLUTION: In this hammer grab, the fixed pulley 3 is provided on the upside of the inside of the casing 1; a movable frame 2 moving upward/downward with respect to the casing 1 on the downside thereof is provided with a movable pulley 4; the transmission member 5 is sequentially looped over these pulleys 3 and 4; a pair of shells 6 and 6 is openably/closably pivoted on the lower end of the casing 1; a driving end of the shell 6 is pivotally supported on and connected to the movable frame 2; and the movable frame 2 is moved upward/downward so that the shell 6 can be driven for opening/closing. A fixed pulley attachment frame 9 is detachably provided on the upside of the inside of the casing; and the fixed pulley 3 is attached to the fixed pulley attachment frame 9. COPYRIGHT: (C)2011,JPO&INPIT