The invention relates to the field of business tables in top-grade automobiles, mainly to an outer column of a lifting column for a business table in an automobile. The outer column comprises an outer column body and a tray, wherein the tray is arranged at the top of the outer column body; the outer column body is a pipe body which is formed by a cylinder and chutes and has the three-key-grooved cross section; the tray at the top is in the shape of circular groove. The column body is high in strength and unlikely to damage, thus relative rotation is not caused in the use process of the lifting column, and inner components are protected.
Outer column of lifting column for business table in automobile
2015-06-17
Patent
Elektronische Ressource
Englisch
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