Heavy spring pre-compression device

The utility model discloses a heavy spring pre-compression device which comprises a fixing piece. The fixing pieces are arranged at the two ends of the spring; the spring and the fixing piece penetrate through the fastening matching piece, and the spring and the fixing piece are fixed through the fa...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XU SHUCHUN, ZHAO QUANQIANG, YUE HAIBAO, LI SHUAI, WANG JIONG, NIE HAIXIONG, PING PING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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