Automatic withdrawing wrench for lathe chuck

The utility model discloses an automatic withdrawing wrench for a lathe chuck. The automatic withdrawing wrench comprises two half shells, two handles, four bolts, a square head, a spring and an X-shaped telescopic rod system. The two half shells are connected to form a cavity structure, the upper e...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PANG JIAYAO, DUAN BOFENG, CHENG LIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BORING HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING TURNING
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