Eccentric member support that includes a piston with an expanding ring to increase friction against a cylinder wall
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United States of America Patent
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May 4, 2021
Grant Date -
N/A
app pub date -
Jun 17, 2019
filing date -
Jun 15, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A support for an eccentric of an adjusting arrangement of a connecting rod has a piston rod (18) guided by a piston (20). A seal (24) is connected to the piston (20) in a supporting cylinder (12, 14) in the connecting rod (2) and has a longitudinal axis (16). The piston (20) encloses a chamber (22) with the supporting cylinder (12, 14). The piston (20) has a lower part (30) arranged on an upper part (28) for movement along the axis (17) of the supporting cylinder (12, 14). An expanding ring (40) between the upper and lower parts (28, 30) interacts with faces (42, 44) of the lower part (30). The upper part (28) spreads the expanding ring (40) as the spacing between the faces (42, 44) is reduced, and the expanding ring (40) applies a friction force FR on an inner wall (46) of the supporting cylinder.
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