192 clutches and power-stop control – Clutches – Automatic
Patent
1975-10-06
1977-08-02
Wyche, Benjamin W.
192 clutches and power-stop control
Clutches
Automatic
188 8284, F16D 1500
Patent
active
040390586
ABSTRACT:
A backstop is illustrated which includes a one-way clutch formed of an inner race having an annular, projecting cam portion with upright end walls, and an outer race spaced from the cam portion and having a smooth cylindrical inner surface. The cam portion is formed with indentations which define wedge-like spaces with the outer race and a series of rollers are disposed between the races, with one roller in each indentation. The series of rollers are held in spaced relation by a cage. Stop lugs are secured to the side walls of the cam portion and extend radially outwardly to overlie the sides of the roller cage. The roller cage includes capscrews whose heads engage the stop lugs to prevent the rollers from shifting to the deepest part of the indentations. Tension springs connected between the cage and stop lugs urge the cage in the opposite direction to engage the rollers between the races. End covers are secured to the sides of the outer race and are mounted on ball bearings supported on the inner race. The end covers have a projecting mounting portion which receives one end of a torque arm. An oil chamber is formed by the end covers about the roller cage, and grease chambers are formed adjacent each axial end of the backstop by spaced, back-to-back pairs of shaft seals.
REFERENCES:
patent: 2835364 (1958-05-01), Picard
patent: 2998113 (1961-08-01), Marland
patent: 3236337 (1966-02-01), Marland et al.
patent: 3247935 (1966-04-01), Marland
patent: 3633713 (1972-01-01), Marland
The Falk Corporation
Wyche Benjamin W.
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