Wedge one-way clutch

Details Wedge one-way clutch Wedge one-way clutch

2011-08-02

2011-08-02

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Clutches

Automatic

C060S345000

Reexamination Certificate

active

07987958

ABSTRACT:
A one-way clutch including first and second races with radially opposed circumferential surfaces and at least one wedge separate from the races and disposed radially between the races. The first race is arranged for rotational connection to a torque transmitting element in an automotive device and is arranged to rotate independently of the second race for relative rotation in a first direction. A circumference for one of the circumferential surfaces has a uniform radius. A circumference for the other of the circumferential surfaces includes at least one radial protrusion. The wedge elements are arranged to engage the protrusions and the opposing circumferential surface to rotationally lock the first and second races for relative rotation of the first race in a second rotational direction, opposite the first rotational direction. During lockup, a circumferential extent of the wedge elements in contact with the second race is greater than an axial extent.

REFERENCES:
patent: 684478 (1901-10-01), Trimble
patent: 2150715 (1939-03-01), De Falco
patent: 3009747 (1961-11-01), Pitzer
patent: 3202251 (1965-08-01), Fulton
patent: 3595354 (1971-07-01), Charpentier
patent: 3865219 (1975-02-01), Dossier
patent: 5586434 (1996-12-01), Okubo et al.
patent: 6953112 (2005-10-01), Miura
patent: 7040469 (2006-05-01), Shirataki et al.
patent: 2003/0119616 (2003-06-01), Meckstroth et al.
patent: 2005/0199463 (2005-09-01), Demura et al.
patent: 2007/0284210 (2007-12-01), Hemphill et al.
patent: 907228 (1954-03-01), None

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