Actuator assembly for a vehicle brake with such an actuator assembly
AssigneeLucas Industries public limited company
InventorsKurt Mohr, Frank Martin Müller
Life of this patent
Estimating the term…
Abstract
The invention relates to an actuator assembly for a vehicle brake with a drive which is connected with an input side of a transmission. An output side of the transmission is adapted for the actuation of at least one friction element of the vehicle brake, with the transmission being a knee lever arrangement with two arms.
Claims21
An actuator assembly for a vehicle brake with an electric drive which is connected with an input side of a transmission, with an output side of the transmission being adapted for the actuation of at least one friction element of the vehicle brake, characterized in that the transmission is a knee lever arrangement with two arms connected with each other in an articulated manner which in their rest position include an angle of approximately 160 degrees, and which in their actuated position include an angle greater than the included angle in their rest position, and with one arm of the knee lever arrangement being supported in an articulated manner in a location bearing in a housing and another arm being connected with an axially movable friction lining via a floating bearing.
A vehicle brake comprising:
- a brake piston including an axially movable friction lining;
- a friction element which is rotatable relative to the axially moveable friction lining and which is adapted to be selectively engaged by the friction lining to effect braking of a vehicle;
- and
- an actuator assembly including a housing, a transmission having an input side and an output side, the output side of the transmission being adapted for the actuation of the friction lining of the vehicle brake, and an electric drive which is connected with the input side of the transmission, the transmission being a knee lever arrangement with two arms which in their rest position form an angle to one another, and with one arm of the knee lever arrangement being supported in a location bearing in the housing and another arm being connected with the axially movable friction lining via a floating bearing on one end and a driven member that moves generally perpendicular to the axis of motion of the axially moveable &fiction lining at the other end.
A vehicle brake comprising:
- a brake piston including an axially movable friction lining;
- a friction element which is rotatable relative to the axially friction lining and which is adapted to be selectively engaged by the friction lining to effect braking of a vehicle;
- an actuator assembly including a housing, a transmission having an input side and an output side, the output side of the transmission being adapted for the actuation of the friction lining of the vehicle brake, and an electric drive which is connected with the input side of the transmission, the transmission being a knee lever arrangement with two arms which in their rest position form an angle to one another, and with one arm of the knee lever arrangement being supported in a location bearing in the housing and another arm being connected with the axially movable friction lining via a floating bearing;
- and
- a Bowden transmission actuation in a joint connecting the two arms, the Bowden transmission actuation acting additionally for arresting the friction linings in their actuated position.
A vehicle brake comprising:
- a brake piston including an axially movable friction lining and a ball socket defined thereon;
- a friction element which is rotatable relative to the axially friction lining and which is adapted to be selectively engaged by the friction lining to effect braking of a vehicle;
- and
- an actuator assembly including a housing, a transmission having an input side and an output side, the output side of the transmission being adapted for the actuation of the friction lining of the vehicle brake, and an electric drive which is connected with the input side of the transmission via a sleeve with female thread, the transmission being a knee lever arrangement with two arms, the arms in their rest position forming an angle to one another, one of the two arms being a longer arm of the two arms, the longer arm defining a pivot point thereon, the longer arm being supported in an articulated manner at both ends and extending between the axially movable friction lining and the sleeve with female thread, the longer arm having one end thereof designed semi-spherically and engaging the ball socket defined on the brake piston so that the longer arm is connected with the axially movable friction lining via a floating bearing, the longer arm being split in a fork-shaped matter at the other end thereof and partially overlapping the sleeve with female thread, the other of the two arms being a shorter arm of the two arms, the shorter arm of the knee lever arrangement being supported in an articulated manner at both ends, with one end of the shorter arm being supported in a location bearing in the housing and the other end of the shorter arm acting in the pivot point of the longer arm.
Dependencies are inferred from the claim text.