Brake device and screen device using same

The purpose of the invention is to provide a brake device that can suitably clamp a cord even if a clamping body that clamps the cord becomes smaller due to wear or if the diameter of a lift cord becomes smaller. Provided is a brake device that brakes the movement of a cord in the longitudinal direc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Takahashi, Daisuke, Uematsu, Takatoshi, Yamagishi, Kazuto
Format:	Patent
Sprache:	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 LADDERS
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Beschreibung
Zusammenfassung:	The purpose of the invention is to provide a brake device that can suitably clamp a cord even if a clamping body that clamps the cord becomes smaller due to wear or if the diameter of a lift cord becomes smaller. Provided is a brake device that brakes the movement of a cord in the longitudinal direction, wherein: the brake device comprises a clamping body that has a pair of clamping members to clamp the cord and is configured so that at least one of the clamping members moves in a prescribed motion trajectory; the clamping body clamps the cord at a prescribed clamping position on the motion trajectory; and the motion trajectory extends beyond the clamping position.