Patent ID: 11964646
Assignee: ZF CV SYSTEMS EUROPE BV
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. A foot brake valve (2″) of a pneumatic brake system in a motor vehicle, the foot brake valve comprising:
an installation plate (4′, 4″), on which a brake pedal (14) is pivotably mounted and to which a housing (18′, 18″; 28) of a control unit (16, 26) is fastened,
a spring-loaded plunger piston (36) in an actuating contact with the brake pedal (14) and guided axially movably in a first annular collar (50, 72), which projects upward out of the installation plate (4′, 4″),
wherein the housing (18′, 18″) of the control unit (16) arranged directly beneath the installation plate (4′, 4″) has an intermediate flange (48, 70) which is screw-connected to the main part of the housing (18′, 18″) and which has the first annular collar (50, 72), and wherein the intermediate flange (48, 70) is, with the first annular collar (50, 72), guided in a passage opening (40, 40′) of the installation plate (4′, 4″) coaxially rotatably about a vertical central axis (32), and is connectable in a non-positively locking fashion to the installation plate (4′, 4″) via a releasable clamping connection (62, 76, 77);
wherein the clamping connection (76) is formed by a clamping screw connection (78) which comprises the following:
a second annular collar (42) on the top side of the installation plate (4″) with a cylindrical inner wall (46),
a clamping ring (80) with a cylindrical outer wall (82) and with a conical, axially downwardly narrowing inner wall (84), and a conical outer wall (74) on the first annular collar (72) of the intermediate flange (70), and
a sleeve nut (86) with an internal thread (88), wherein the clamping ring (80) is, in an installed state, arranged between the cylindrical inner wall (46) of the second annular collar (42) of the installation plate (4″) and the conical outer wall (74) of the first annular collar (72) of the intermediate flange (70), and wherein radial bracing of the first and second annular collars (42, 72) is caused by the clamping ring (80) as a result of the screw connection of the sleeve nut (86) to the second annular collar (42) of the installation plate (4″).