Ball bearing for lengthwise and turning movement
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United States of America Patent
Stats
-
Apr 16, 1985
Grant Date -
N/A
app pub date -
May 3, 1983
filing date -
May 3, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball bearing for lengthwise and rotational movement on a shaft has circumferentially distributed endless rows of balls. It consists of an outer sleeve with an axially extending cylindrical race in its bore for the loaded balls of each row and a sleeve-shaped cage rotatably arranged in the bore of the outer sleeve. The cage has axially extending races for the loaded and unloaded balls and these guides are interconnected in pairs by semi-circular shaped radially outwardly open turnaround races. An axially extending return recess for the unloaded balls of each row is machined between each pair of cylindrical races, either in the cylindrical bore of the outer sleeve or on the cylindrical shaft. In order to avoid contact wear of the balls in the turnaround races upon turning movement of the shaft, the cage is held at its two ends by an end ring having an outer section radially covering the turnaround guides of the cage.
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