Device for controlling rotational direction of a direct current

Details Device for controlling rotational direction of a direct current Device for controlling rotational direction of a direct current

1995-01-18

1996-12-03

Wysocki, Jonathan

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

388937, 408710, H02P 300

Patent

active

055811655

ABSTRACT:
This invention relates to a mechanism for controlling rotational direction of a direct current motor and a applying brake thereto and in particular to one including a cathode connected to a negative pole of a battery, an anode connected to a positive pole of the battery, a first directional electrode connected to a negative pole of a motor and normally contacting a brake conducting plate, a second directional electrode connected to a positive pole of the motor and normally contacting the brake conducting plate and a switch which cannot be pressed down before moved sidewards and will, when pressed, cause the first directional electrode to separate from said brake conducting plate on one hand but contact the cathode or anode on the other hand, and to cause the second directional electrode to separate from the brake conducting plate on one hand but contact the anode or cathode on the other hand and will, when released, cause the first directional electrode to contact the second directional electrode via the brake conducting plate thereby controlling rotational direction of the motor and applying brake thereto when the switch is turned off.

REFERENCES:
patent: 3033236 (1962-05-01), Rayman et al.
patent: 3828383 (1974-08-01), Johnstone
patent: 4223744 (1980-09-01), Lovingood
patent: 4292571 (1981-09-01), Cuneo
patent: 4443137 (1984-04-01), Albrent et al.
patent: 4650375 (1987-03-01), Millsap
patent: 4719395 (1988-01-01), Aoi et al.

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