Pulley-type vertical hinged lead door

The invention provides a pulley-type vertical hinged lead door.. A rigid frame (4) is additionally arranged on a free edge (3) of a lead door (2); a bearing pulley (5) is arranged below the frame; and a section of arc sliding rail (6) is embedded in the ground of the pulley track. Therefore, the def...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIU TAIHUA, LIU MIAOSHENG, WANG CHONGYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	The invention provides a pulley-type vertical hinged lead door.. A rigid frame (4) is additionally arranged on a free edge (3) of a lead door (2); a bearing pulley (5) is arranged below the frame; and a section of arc sliding rail (6) is embedded in the ground of the pulley track. Therefore, the deformation of a lead door shaft (1), caused by the gravity, is avoided.