Wear indicator for ball joints

Details Wear indicator for ball joints Wear indicator for ball joints

1974-12-20

1976-06-01

Queisser, Richard C.

Joints and connections

With indicator or inspection means

116114Q, G01D 1102, F16C 1106

Patent

active

039604578

ABSTRACT:
A ball joint wear detector having an indicator cap carried by a cover underlying a ball of a ball stud member received in a housing member. The indicator cap has a fixed reference surface on an outer ring thereof and a movable indicator surface on a center cup in which an actuator is received which is yieldably urged into engagement with a polar portion of the ball by a membrane of resilient material interconnecting the cup and the outer ring of the indicator cap. When the ball joint is in use, the extent of the axial displacement of the ball relative to the housing due to in-service wear of the ball joint is indicated by the displacement of the indicator surface relative to the fixed surface of the indicator cap which may be visually observed from the exterior of the ball joint.

REFERENCES:
patent: 3350121 (1967-10-01), Townsend
patent: 3391955 (1968-07-01), Gottschald
patent: 3451701 (1969-06-01), Smith
patent: 3791748 (1974-02-01), Goodrich, Jr. et al.
patent: 3813178 (1974-05-01), Herbenar et al.
patent: 3850443 (1974-11-01), Hassan

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