| 摘要 |
PURPOSE:To obviate the separate installation of a compressed air reservoir for a brake by providing a changeover valve between the closed wall of a housing and the closed end of a casing opposed thereto for introducing compressed air from a reservoir to the operation space of the casing. CONSTITUTION:A housing 55 is externally coupled at one end thereof to the external coupling surface 56 of a flanged part 4 via a sealing member 57 and fixed to the flanged part 4 with a bolt 58. A cover material 60 is inserted in the other end via a sealing member 61 and a reservoir 62 is internally formed with the flanged part 4 and the cover material 60 as closed walls at either end. A changeover valve 'C' is provided inside the cover material 60 as one of the closed walls of the housing 55 for introducing compressed air corresponding to the extent of stepping down a brake pedal from the reservoir 62 to a pressure chamber 12 within the casing 1. The changeover valve 'C' is so mounted that the body 7 thereof will close the opening of the casing 1, thereby forming the pressure chamber 12 in the casing 1.
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