Timer switch for vehicle

Details Timer switch for vehicle Timer switch for vehicle

1983-01-07

1984-04-10

Goldberg, E. A.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

368107, 335123, 307132E, H01H 334, H01H 4300

Patent

active

044423632

ABSTRACT:
The timer switch comprises a setting member for setting a desired period, an escape wheel provided with saw-shaped teeth, a rack interposed between the setting member and the escape wheel for disengaging the setting member from the escape member while the setting member is operated and engaging the setting member with the escape wheel while the escape wheel turns, an anchor provided with a pair of claws, which is disposed so as to be opposed to the escape wheel, an electromagnetic member which begins to rock the anchor intermittently when the setting member is operated, so that the claws of the anchor are alternately engaged with the escape wheel. When the setting member is moved either along or about its axis, the escape wheel is disengaged from the setting member and the electromagnetic member begins to rock the anchor intermittently so that the claws of the anchor are alternately engaged with the escape wheel. Consequently, the escape wheel turns intermittently to engage the setting member with the escape wheel through the rack. As a result, the setting member moves intermittently at predetermined timings and by predetermined pitches.

REFERENCES:
patent: 3943415 (1976-03-01), Minear
patent: 4272839 (1981-06-01), Kitai et al.

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