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    • 4. 发明专利
    • ROTARY SWITCH
    • JPH08287782A
    • 1996-11-01
    • JP11249395
    • 1995-04-13
    • ASAHI NAT SHOMEI KK
    • MARUHASHI TAKASHIICHIMURA KENICHI
    • B60R16/02H01H21/28H01H21/38
    • PURPOSE: To enhance the operational accuracy of a rotary switch by normally keeping the distance between a rotating contact piece and a fixed contact piece even when the stopping position of a driving body is dispersed and the driving body is excessively rotated. CONSTITUTION: When rotating force is applied to a driving body 8 through a driving part 16 from the outside, a rotor 5 united to a rotating contact piece 4 rotates by friction with the driving body 8. When the rotor 5 reaches a specified rotating position, the rotor 5 comes in contact with each of stoppers 6, 7 of a case 2. After that, when rotating force is applied to the driving body 8, a slip is generated against friction between the driving body 8 and the rotor 5, which are assembled by friction, and the driving body 8 continues rotation but the rotor 5 stops. Therefore, even when the stopping position of the driving body 8 is dispersed and the driving body 8 is excessively rotated, the rotor 5 stops in a specified rotating position. The contact/separation between the rotating contact piece 4 and a fixed contact piece 1 are normally operated.
    • 7. 发明专利
    • MOTOR CONTROLLED SWITCH MECHANISM
    • AU4758990A
    • 1990-08-13
    • AU4758990
    • 1989-12-18
    • SQUARE D CO
    • BROWN ROBERT J JRERTURK BAHATTIN
    • H01H21/28H01H3/26H01H21/38H01H1/24H01H35/00
    • A motor and manual actuated switch includes a motor control circuit for controlling the motor to rotate in either a clockwise or counterclockwise direction to actuate a mechanical switch between the open circuit and short circuit states. The control circuit includes a capacitor coupled in series with the motor winding to form a series circuit and a control switch for connecting a source of d.c. power across said serial circuit when in a first position and a short circuit across said series circuit when in a second position. When the control switch is moved to the first position, the capacitor charges, causing a current to flow through the motor winding during the charge time, thereby causing rotation in one direction. When the control switch is moved to the second position, the capacitor discharges through the winding, thereby causing opposite current flow and shaft rotation. The mechanical switch may be made to change states by actuation of a manual button or by rotation of the motor and includes a pin which rotates upon a change of states of the mechanical switch. The motor is interconnected with the pin by an extension and offset extending from the pin and an open center triangular shaped connector affixed to the motor shaft, with the offset extending into the open center. The extension acts as a spring to reduce the impact of the connector against the offset when the motor shaft rotates.