Force multiplying device for vehicle brake systems

Details Force multiplying device for vehicle brake systems Force multiplying device for vehicle brake systems

1984-09-27

1986-11-11

Hershkovitz, Abraham

Motors: expansible chamber type

Plural relatively movable or rigidly interconnected working...

Single valve for relatively movable working members driving...

92 48, 921693, 91376R, F01B 1900

Patent

active

046215646

ABSTRACT:
A tandem type brake force multiplying device including a pair of diaphragms and a partition wall defining a pair of constant suction chambers and a pair of actuating or pressure variable chambers. The device has a shell comprised of a front, intermediate and rear housings which are formed with a plurality of sets of axially aligned sleeves through which force transmitting rods are passed. The reaction force from the brake master cylinder is therefore transmitted through these rods to the vehicle body. The sleeves define therein a pair of chambers, at least one of which is in communication with both the actuating chambers.

REFERENCES:
patent: 3478519 (1969-11-01), Eggstein
patent: 3805680 (1974-04-01), Weatherhogg
patent: 4256016 (1981-03-01), Thomas
patent: 4330996 (1982-05-01), Becht
patent: 4377966 (1983-03-01), Parker et al.
patent: 4433614 (1984-02-01), Takeuchi
patent: 4484509 (1984-11-01), Belart

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