Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1983-04-18
1984-08-21
Herrmann, Allan D.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74436, 74820, 200 38B, 200153PA, F16H 3706, H01H 300
Patent
active
044663102
ABSTRACT:
A timing mechanism for use in an appliance such as a domestic clothes dryer, for example. The mechanism includes a synchronous motor and two output shafts. One output shaft is the conventional rotary output shaft of the speed reducing gear train associated with the synchronous motor. The second output shaft is the rotary axle of a Geneva follower gear that is driven by a Geneva driver gear that is in turn driven by a gear located intermediate the input and first output shaft of the gear train. The intermittent rotation of the second output shaft, wherein each intermittent rotation is accomplished in a relatively rapid time, permits a timing cam thereon to control a switch actuator to provide a precise and quite brief switching action of the order of five seconds, for example.
REFERENCES:
patent: 627952 (1899-06-01), Chronik
patent: 2094317 (1937-09-01), Evers
patent: 2917939 (1959-12-01), Harris
patent: 2973412 (1961-02-01), Joseph et al.
patent: 3472976 (1969-10-01), Hunt
patent: 3638509 (1972-02-01), Hunt
patent: 3745852 (1973-07-01), Robinson
patent: 3884088 (1975-05-01), Bertozzi et al.
patent: 4103119 (1978-07-01), Homan et al.
AMF Incorporated
Dougherty David E.
Herrmann Allan D.
Rolnicki Joseph M.
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