Adjustment means for a reaction member

Details Adjustment means for a reaction member Adjustment means for a reaction member

1990-11-30

1992-08-11

Look, Edward K.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, F15B 910

Patent

active

051369273

ABSTRACT:
An adjustment member having an end cap with threads thereon that match threads on the hub of a movable wall in a vacuum brake booster. The end cap has a plurality of projections located on its peripheral which allow a tool to rotate the end cap with respect to the hub and establish a space relationship between the hub and plunger to define a gap between said plunger and resilient member. The gap delaying the engagement of the resilient member and plunger until after a predetermined output force develops across the wall. The end cap has a central opening through which the reaction disc is thereafter communicated to oppose movement of the plunger by an operator input force during a brake application.

REFERENCES:
patent: 4757748 (1988-07-01), Kawasomi et al.
patent: 4984506 (1991-01-01), Perez

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