SELF-LOCKING CYLINDER FOR A DOOR OF A MOTOR VEHICLE

摘要

A cylinder for a movable bodywork element of a motor vehicle, capable of containing a fluid, comprising a chamber and a piston. The piston consists of a rod and a head. The head of the piston has a surface opposite the rod that faces a surface at the bottom of the chamber. The bottom of the cylinder chamber comprises at least one stop. The stop has a contact surface impermeable to fluid that faces at least a portion of at least one of the surfaces. The contact surface of the stop is arranged in such a way as to expel the fluid located between the contact surface and the portion of at least one of the surfaces.

主权项

1. A cylinder for a movable bodywork element of a motor vehicle capable of containing a fluid, comprising a chamber and a piston comprising a rod and a piston head, said piston head having a surface opposite said rod and a surface in contact with said rod, said surfaces each being opposite a surface of a bottom of said chamber,
wherein said cylinder comprises at least one stop opposite at least one of said surfaces, said at least one stop having at least one contact surface impermeable to said fluid, said at least one contact surface being opposite a portion of at least one of said surfaces and being arranged to press against said portion of said at least one of said surfaces so as to expel said fluid located between said at least one contact surface and said portion.