Importance

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Abstract

A combined service brake cylinder and spring brake cylinder for brake systems of vehicles is provided, wherein a bayonet coupling is configured between the spring brake cylinder and an intermediate wall. The bayonet coupling has locking segments protruding radially outward on an end-side edge of a wall of the spring brake cylinder and recess segments formed radially inward and recess segments corresponding thereto that are formed radially outward and formed on an annular chamber connected to the intermediate wall and locking segments protruding radially inward into the annular chamber. A bottom-side stop surface in the annular chamber forms an axial stop for the end-side wall edge of the spring brake cylinder. An annular seal is arranged between a circumferential surface of the edge of the wall of the spring brake cylinder pointing radially inward and the circumferential surface of the annular chamber pointing radially outward. A recess provided in the bottom of the annular chamber accommodates at least one end section of the annular seal, and end-face contact surfaces are provided on the locking segments of the spring brake cylinder for abutting on the bottom-side stop surface in the annular chamber. At least the and section of the annular seal is clamped between the recess in the bottom of the annular chamber and the edge of the wall of the spring brake cylinder.

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First Claim