Rocker-actuated twin master cylinder

Details Rocker-actuated twin master cylinder Rocker-actuated twin master cylinder

1990-08-31

1991-12-10

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

60594, B60T 1120

Patent

active

050706993

ABSTRACT:
A twin master cylinder for a road vehicle brake system has master cylinders assigned respectively, to a front-axle brake circuit and to a rear-axle brake circuit. The master cylinders are arranged laterally next to one another in a common housing and are each actuable via an arm of a pivotable rocker with a variable ratio L1/L2 of the lengths L1 and L2 of arms of the rocker. A supporting element is provided which, by its support point on the pivotable rocker, marks the pivot axis of the rocker and, by support on a push-rod piece, transmits the actuating force acting on piece to the rocker. The supporting element is arranged between the rocker and the supporting surface of the push-rod so as to be displaceable transversely relative to the direction of exertion of the actuating force. A hydraulic drive cylinder serving as an automatic actuating drive coupled to the supporting element via a link and, when subjected to the front-axle brake pressure, causes the link and consequently the supporting element to experience lateral deflection which change the ratio L1/L2 of the lengths of the rocker arms.

REFERENCES:
patent: 3278240 (1966-10-01), Boyd
patent: 3371487 (1968-03-01), Stelzer
patent: 4586590 (1986-05-01), Rishel et al.

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