Friction formula base knob

The utility model discloses a friction formula base knob comprises gyro wheel, support, brake block, braking bracket, spring, spring shim, mounting panel, locknut, control hand (hold), adjusting nut and pull rod etc. The utility model discloses friction formula base knob is whole to adopt mechanical...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIN RIQIANG, SU LEI, GAO MAOTAO, QIN YIYI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS FIXED CONSTRUCTIONS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS
Online-Zugang:	Volltext bestellen
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