Tabular sliding frame for a projection

It is described moving board frame for projection consisting of a fixed frame (1), a moving frame (2), between which there is a pair of concentric gas spring (3) with the set starting resistance so that the axis (7) of gas springs together with the lower edge (9) of movable frame (2) form an isoscel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KAULICH KAREL
Format:	Patent
Sprache:	eng ; slo
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES CABINETS CINEMATOGRAPHY COFFEE MILLS DESKS DOMESTIC ARTICLES OR APPLIANCES DRAWERS ELECTROGRAPHY FURNITURE GENERAL DETAILS OF FURNITURE HOLOGRAPHY HUMAN NECESSITIES OFFICE FURNITURE PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS SPICE MILLS SUCTION CLEANERS IN GENERAL TABLES TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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Beschreibung
Zusammenfassung:	It is described moving board frame for projection consisting of a fixed frame (1), a moving frame (2), between which there is a pair of concentric gas spring (3) with the set starting resistance so that the axis (7) of gas springs together with the lower edge (9) of movable frame (2) form an isosceles triangle and size of resulting angle (8) formation by axes (7) by gas springs (3) corresponds to a value of the resultant force required to move the sliding frame (2) with hanging board system (4) maintained at a constant. It is described moving board frame for projection consisting of a fixed frame (1), a moving frame (2), between which there is a pair of concentric gas spring (3) with the set starting resistance so that the axis (7) of gas springs together with the lower edge (9) of movable frame (2) form an isosceles triangle and size of resulting angle (8) formation by axes (7) by gas springs (3) corresponds to a value of the resultant force required to move the sliding frame (2) with hanging board system (4) maintained at a constant.