Slack adjuster for a rail vehicle brake system

Details Slack adjuster for a rail vehicle brake system Slack adjuster for a rail vehicle brake system

1978-02-01

1979-02-06

Reger, Duane A.

Brakes

Position adjusters

Slack

188202, F16D 6556, F16D 6566

Patent

active

041380029

ABSTRACT:
A one-nut slack adjuster with a nut axially disposed having clutch surfaces and on non-self-locking engagement on a spindle coaxially positioned within a tube moving axially to apply brakes has a spring biased thrust bearing held forwardly on the nut in the brake application direction disposed to engage a fixed position control member and when the nut is moved axially forwardly a predetermined desired slack distance thereby to bias the nut backwardly. A second trust bearing on this nut is placed forward of the control member to engage it at a distance from rest less than the clutch separation distance.
In a double acting embodiment a further trust bearing spring biased between the nut and tube in a position forward of the control member holds the nut in a forward direction in clutch engagement.
A further feature is a barrel spring arrangement foreshortening the assembly by a sleeve converting two coaxially disposed spring sections in series.

REFERENCES:
patent: 4036332 (1977-07-01), Sander

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