Friction control element having a stroked state

Details Friction control element having a stroked state Friction control element having a stroked state

2008-02-12

2011-11-15

Le, David D (Department: 3655)

192 clutches and power-stop control

Clutches

Operators

C192S065000, C192S066210, C192S066230, C192S070150

Reexamination Certificate

active

08056696

ABSTRACT:
A control element for opening and closing a drive connection between a first member and a second member includes a first ring engaged with the first member, displaceable among a disengaged position, a stroked position and an engaged position and formed with first serrations, a second ring engaged with the first member and including second serrations, a third ring engaged with the second member and including third serrations for alternately engaging with and disengaging from the first and second serrations, and a detent for resisting displacement of the first ring relative to the second ring when the first ring is in the stroked position and permitting displacement of the first ring relative to the second ring when the first ring moves from the stroked position to the engaged position.

REFERENCES:
patent: 471589 (1892-03-01), Williams
patent: 511047 (1893-12-01), Gawron
patent: 795974 (1905-08-01), Hele-Shaw
patent: 5269400 (1993-12-01), Fogelberg
patent: 6702081 (2004-03-01), Gorman et al.

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