Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1996-05-28
1998-09-01
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 11J, 200564, H01H 1958
Patent
active
058013466
ABSTRACT:
A terminal plate 6 is formed into a circular cup shape having a bottom 6b and a cylindrical wall 6a. A plurality of terminals 14 are provided on bottom 6b of terminal plate 6. A rotor 1 is rotatably supported on terminal plate 6. A contact piece 5, resiliently engaged with rotor 1, is selectively brought into contact with terminals 14 to close a circuit. An undulated portion 10 is provided along the lower end cylindrical wall 1b of rotor 1. A ball 8, a spring 9 and undulated portion 10 cooperatively constitute an intermittent movement mechanism disposed between rotor 1 and terminal plate 6. Contact piece 5 intermittently rotates against a resilient force of spring 9 to change its rotational angle in accordance with a rotation of rotor 1. An elastically deformable portion 13 is formed on cylindrical wall 1b of rotor 1 while a rigid claw 12 is formed on the upper edge of cylindrical wall 6a of terminal plate 6, cooperatively constituting a snap-in mechanism. A guide shaft 7, extending upward from the center of terminal plate 6, is inserted into a bore 3 on the lower surface of rotor 1, so that rotor 1 is rotatably supported on terminal plate 6.
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Matsushita Electric - Industrial Co., Ltd.
Scott J. R.
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