Hydrokinetic coupling apparatus, in particular for motor vehicle, comprising improved means linking the piston with the cover
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United States of America Patent
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-
Nov 4, 2003
Grant Date -
Sep 26, 2002
app pub date -
Feb 6, 2002
filing date -
Jun 29, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention concerns a hydrokinetic coupling apparatus comprising a wall (36) with globally transverse orientation and a central ring (52) along which the piston (50) is mounted sealingly sliding to define a control chamber (38) with variable volume, and comprising an annular disc (92) linking in rotation the piston (50) with the ring (52), which is axially arranged between the transverse wall and the piston (50), which is linked to the piston by elastically deformable tabs (90) and which comprises a central part (96) extending radially inwards opposite an inner surface (98) of the transverse wall (36) against which it is axially pressed and whereto it is fixed. The invention is characterised in that the ring (52) is axially secured to the central part (96) of the linking annular disc (92) relative to which the ring (52) is radially centered.
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