| 摘要 |
A vibration switch includes an electric contact body which is movably disposed in an accommodation chamber of a housing in an upright direction. A biasing member holds and restrains the contact body from moving towards a lower inner wall surface of the housing. A switching unit includes a contact member extending into the chamber, and is placed in one of switch-on and switch-off states in response to movement of the contact body relative to the contact member as a result of an inertial force of the contact body when the housing is jerked to move upwards.
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