192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1983-05-31
1986-04-15
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192143, 192144, 33DIG15, F16D 7100
Patent
active
045821836
ABSTRACT:
In a disclosed displacement detecting apparatus, a nut member retains a plurality of balls to circulate therein while in engagement with a helical groove of a screw shaft. The nut member is unrotatable and linearly movable, and the screw shaft is rotatable and linearly immovable. A rotation detector and a brake are attached to the screw shaft. The nut member may act as a piston of a cylinder in which the nut member is mounted, or may be connected to a separately provided piston of the cylinder.
REFERENCES:
patent: 3038352 (1962-06-01), Murphy
patent: 3327826 (1967-06-01), Henschke
patent: 3465863 (1969-09-01), Kuts et al.
patent: 4103427 (1978-08-01), Ledley, III
patent: 4443945 (1984-04-01), Takemura et al.
Bonck Rodney H.
Greigg Edwin E.
Kowa Shoji, Ltd.
Lorence Richard M.
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