Centrifugal friction clutch for automatic speed changing device

Details Centrifugal friction clutch for automatic speed changing device Centrifugal friction clutch for automatic speed changing device

1996-06-24

1998-03-31

Lorence, Richard M.

Planetary gear transmission systems or components

Condition responsive control

Centrifugally controlled clutch or brake

192 524, 192105C, 192103A, F16H 128, F16H 6100, F16D 4306

Patent

active

057332177

ABSTRACT:
An centrifugal friction clutch for an automatic speed changing device to changeover speed change stage automatically in accordance with a change of rotational speed is provided. The centrifugal friction clutch has a tubular output shaft 2 fitted on a boss section 3 fixed to an end of an input shaft 1 rotatably through a roller bearing 4; a sun gear 5 fitted on a periphery of the output shaft 2 rotatably relative thereto; a disk section 8 of a ring gear 6 integrally fitted to the input shaft 1 at the neighborhood of the boss section 3; three or four pieces of planetary gears 7 arranged at regular intervals on the outer periphery of the sun gear 5 and meshed with the sun gear 5 and the ring gear 6; a planetary carrier 9 integrally connected with the tubular output shaft 2; shafts 10 fitted to the planetary carrier 9 and rotatably supporting the planetary gears 7 through needle bearings 11; lighter centrifugal weights 23 and heavier centrifugal weights 24 fitted in cutouts 22 alternately and having base portions 23a, 24b engaged with a ring-shaped receiving piece 20; and a taper section 21 formed on an inner surface of an outer periphery of an outer side plate section 14b.

REFERENCES:
patent: 2111722 (1938-03-01), Padgett
patent: 2224440 (1940-12-01), Lewis
patent: 5263906 (1993-11-01), Antonov
patent: 5409428 (1995-04-01), Antonov
patent: 5423406 (1995-06-01), Antonov

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