Brake booster of tandem type

Details Brake booster of tandem type Brake booster of tandem type

1986-06-11

1988-01-12

Hershkovitz, Abraham

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91534, 92 48, F15B 910

Patent

active

047183284

ABSTRACT:
A brake booster of tandem type comprises a pair of power pistons, a valve body internally housing a valve mechanism and a center body formed with a passage which communicates with a passage formed in the vlave body, all of which are integrally connected together, by holding them between a hub which is disposed through these members in alignment with their axes and a nut which is threadably engaged with the hub. An ear is formed on one of the outer peripheral surface of the hub and in an opening formed in the front power piston through which the hub extends while a recess is formed in the other for receiving the ear, thus allowing the hub and the front power piston to be positioned relative to each other by the engagement between the ear and the recess.

REFERENCES:
patent: 4400943 (1983-08-01), Belart
patent: 4512237 (1985-04-01), Endoh
patent: 4516474 (1985-05-01), Ochiai
patent: 4535680 (1985-08-01), Takayama
patent: 4542680 (1985-09-01), Takeuchi
patent: 4586427 (1986-05-01), Thiel

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