Longitudinal plunging unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 21, 2004
Grant Date -
Jan 9, 2003
app pub date -
Jun 26, 2002
filing date -
Jul 5, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A longitudinal plunging unit for a shaft assembly used for torque transmitting purposes. The unit includes a profiled sleeve (11) with circumferentially distributed, longitudinally extending first ball grooves (12), a profiled journal (21) with circumferentially distributed, longitudinally extending second ball grooves (22), balls (31, 32, 33) which are arranged in groups of balls in pairs of first and second ball grooves (11, 21), and a ball cage (41) which is positioned between the profiled sleeve (11) and the profiled journal (21) and axially fixes the balls in their positions relative to one another, wherein in the region of the ball grooves (12, 22), the profiled sleeve (11) and the profiled journal (21) include the same torsional stiffness, such that, during the introduction of torque, they are subject to the same angles of torsion.
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