Patent ID: 6448516
Filing Date: 2002-09-10
Classification: H01H

Abstract:
A vibration detecting switch comprising:a metal bottom holder, said metal bottom holder comprising a top sidewall, a bottom sidewall, a top convex surface curved outwards from a center portion of the top sidewall, a plurality of top contact rods perpendicularly upwardly extended from the top sidewall and equiangularly spaced around said top convex surface, two locating rods respectively horizontally extended from a periphery of the metal bottom holder in different directions, and a conducting rod horizontally extended from the periphery of the metal bottom holder for connection to one pole of a power supply; a metal top holder covering said metal bottom holder, said metal top holder comprising a top sidewall, a bottom sidewall, a bottom convex surface curved outwards from a center of the bottom sidewall, a plurality of bottom contact rods perpendicularly downwardly extended from the bottom sidewall and equiangularly spaced around said bottom convex surface and respectively inserted in between each two of said top contact rods of said metal bottom holder, a horizontal conducting rod extended from a periphery of the metal top holder for connection to a second pole of the power supply, and a plurality of horizontal lugs equiangularly spaced around the periphery of the metal top holder; a metal ball received in between said metal bottom holder and said metal top holder and disposed in contact with one top contact rod of said metal bottom holder and one bottom contact rod of said metal top holder when the vibration detecting switch is maintained immovable; and an outer cover shell positioned between said metal bottom holder and said metal top holder, said outer cover shell comprising two bottom locating notches respectively engaged with the locating rods of said metal bottom holder, two top locating notches respectively engaged with the locating rods of said metal top holder, and holes which receive the respective conducting rods of said metal bottom holder and said metal top holder.