Textiles: fluid treating apparatus – Machines – Combined
Patent
1979-05-04
1981-09-29
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
Combined
68133, 192 89A, 192 93A, D06F 2304, D06F 3740
Patent
active
042915562
ABSTRACT:
A transmission shift mechanism for use in a vertical axis automatic washing machine having reversible rotary drive means has a drive gear on which is mounted an eccentric for translating rotary motion into oscillatory motion in a plane perpendicular to the washing machine axis. The oscillatory motion is transmitted to the agitator shaft of a washing machine by a rack and pinion. The pinion is rotatably mounted on the agitator shaft and has teeth on a lower surface thereof which engage teeth on an upper surface of a sleeve co-rotatable with the agitator shaft to form a jaw clutch for driving the agitator shaft from the rack and pinion. A shifter fork also connected to the eccentric operates cams to raise the pinion out of engagement with the sleeve to disengage the jaw clutch when the eccentric is rotating in a first direction, and returns the clutch teeth to engagement when the eccentric rotates in an opposite direction.
REFERENCES:
patent: 962567 (1910-06-01), Hancock
patent: 2060175 (1936-11-01), Carleton
patent: 2269190 (1942-01-01), Dunham
patent: 2388407 (1945-11-01), Hansen
patent: 2720953 (1955-10-01), Dayton
patent: 2826056 (1958-03-01), Bruckman
patent: 2976746 (1961-03-01), Flannery
patent: 3204131 (1965-08-01), Wright, Jr.
Coe Philip R.
Whirlpool Corporation
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