APPARATUS FOR ADJUSTING THE HEIGHT OF TEACHING TOOLS

A height controlling device for the instruments of education is provided to control the height of the instruments of education and rotate each male screw part at the same time by controlling the adjustment of one side male screw part. A height controlling device for a instruments of education compri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SIN, YOUNG DUK, JUNG, EUN JA
Format:	Patent
Sprache:	eng
Schlagworte:	CABINETS COFFEE MILLS DESKS DOMESTIC ARTICLES OR APPLIANCES DRAWERS FURNITURE GENERAL DETAILS OF FURNITURE HUMAN NECESSITIES OFFICE FURNITURE SPICE MILLS SUCTION CLEANERS IN GENERAL TABLES
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Beschreibung
Zusammenfassung:	A height controlling device for the instruments of education is provided to control the height of the instruments of education and rotate each male screw part at the same time by controlling the adjustment of one side male screw part. A height controlling device for a instruments of education comprises the following features of: a base frame(100) supported in the surface; a lift frame(200), which inserts and slides in the base frame, in which a instruments of education is installed in the top; a male screw part(310) in the inner side of the base frame; a female screw part(320) in the inner side of the lift frame; a adjustment bolt part(330) in one bottom among above mentioned male screw part; and a height adjusting part(212) in which the male screw part together rotates according to the adjustment of the adjustment bolt part.