Cushioning system for pneumatic cylinder of differential engine

Details Cushioning system for pneumatic cylinder of differential engine Cushioning system for pneumatic cylinder of differential engine

E - Fixed Constructions

05

F

E05F 15/04 (2006.01) E05F 3/00 (2006.01)

Patent

CA 2682766

A cushioning system for a pneumatic cylinder powered differential engine door opening and closing device for use in passenger transportation vehicles wherein the cushioning initiation point can be adjusted. This cushioning initiation point is adjusted through the use of a linearly adjustable slider member within the large cylinder. The slider is linearly adjustable through the use of an adjustment screw located outside of the pneumatic cylinder and allows one to adjust the time and the mode of the opening/closing of power doors, without disassembly of the cylinder, and significantly improve the safety of the passenger.

La présente invention a pour objet un système d'amortissement pour un dispositif d'ouverture et de fermeture de porte à moteur différentiel à cylindre pneumatique à utiliser dans des véhicules de transport de passagers, le point de lancement d'amortissement pouvant être ajusté. Ce point de lancement d'amortissement est ajusté par l'utilisation d'un élément coulissant pouvant être ajusté linéairement dans le grand cylindre. L'élément coulissant peut être ajusté linéairement par l'utilisation d'une vis d'ajustement située à l'extérieur du cylindre pneumatique et il permet d'ajuster le moment et le mode de l'ouverture/fermeture des portes motorisées, sans désassembler le cylindre, et d'améliorer considérablement la sécurité du passager.

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