Settable slip clutch

Details Settable slip clutch Settable slip clutch

1987-09-01

1990-02-20

Reese, Randolph A.

192 clutches and power-stop control

Clutches

Torque responsive

464 36, 403328, F16D 706

Patent

active

049018361

ABSTRACT:
A settable slip clutch or coupling between a driving (1) and a driven (2) shaft includes balls (11) accommodated in recesses (3) on the driving shaft and in engagement with chambers (18) in the driven shaft. To achieve an unloading effect when the clutch slips, i.e. when the balls are urged from the recesses and into the chambers, thus disengaging the clutch, at least one of the chambers, e.g. (17) and/or (16) is made with a width which is at least 1.5 times as great as the ball diameter. For obtaining a reverse lock when rotation is reversed, this and/or those chambers can be made with a wall plane (7, 8) which is inclined (.alpha.) relative to the normal wall plane direction. Alternatively, a further chamber (15) may have an opening (12) in its one wall to serve as reverse lock.

REFERENCES:
patent: 2677562 (1954-05-01), Coffman et al.
patent: 3187438 (1965-06-01), Esch
patent: 4041729 (1977-08-01), Bilz
patent: 4263996 (1981-04-01), Putney
patent: 4599019 (1986-07-01), Ueberall
patent: 4694944 (1987-09-01), Schmidt
patent: 4744447 (1988-05-01), Kato et al.

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