Pivot joint assembly capable of amplified wear indication
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 2, 1986
Grant Date -
N/A
app pub date -
Jul 16, 1985
filing date -
Jul 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball and socket joint for automotive wheel suspensions or the like has a ball stud extending into a housing through its open end. The ball end of the ball stud rotatably bears against a load carrying bearing and a wear takeup bearing within the housing, in which is also mounted a spring urging the wear takeup bearing toward the load carrying bearing. The wear takeup bearing has a protuberance extending through an aperture in a cover closing the housing end opposite to its open end. Fitted over the protuberance, a wear indicator cap is normally engaged therewith in a position close to the housing cover and is sprung or otherwise preloaded in a direction away therefrom. When the protuberance recedes into the housing to such an extent that the wear of the joint exceeds an acceptable limit, the wear indicator cap travels from the housing under the preload and comes to a stop on the distal end of the protuberance, indicating the wear of the joint in a greatly amplified, visually recognizable manner.
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