1-way clutch that uses levers

Details 1-way clutch that uses levers 1-way clutch that uses levers

2000-05-16

2003-06-03

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Automatic

Reexamination Certificate

active

06571925

ABSTRACT:

CROSS-REFERENCE TO RELATED APPLICATIONS
Not applicable
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
1
-way clutches frequently fail because of well understood mechanical and over heating problems.
SUMMARY
This
1
-way clutch uses one or more levers, which are in respective recesses in one of the races. The lever is in slidable contact with an arc in the recess. Motion between the inner and outer races is transmitted through the lever and the arc.
Indexing causes the lever to tilt back and forth on its axis which brings the contact surfaces into and out of contact. The contact surfaces between the lever's arm and the opposite race are made of a non-skid material, such as silicon carbide, so that they instantly stick upon contact when the lever is tilted in the drive direction and instantly separate when the lever is tilted in the overrun direction. The tilt is controlled by the angular displacement of a pin carried by the lever's arm. The objects of this invention include:
1. loose tolerances, easy assembly;
2. high indexing, high loads;
3. other objects will become obvious upon further perusal.


REFERENCES:
patent: 209456 (1878-10-01), Burrows
patent: 813396 (1906-02-01), Anker-Holth
patent: 1235633 (1917-08-01), Anderson et al.
patent: 1902375 (1933-03-01), Pitter
patent: 3216544 (1965-11-01), Ryan
patent: 3638774 (1972-02-01), Burch et al.
patent: 4126214 (1978-11-01), Kiss

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