| 摘要 |
A tilt switch includes a central electric contact member and a first electric contact terminal adapted to be mounted on a support. The central electric contact member defines a rolling area. An electrically conductive ball member is rollable on the rolling area. An electrically conductive shell member is mounted on the support to confine an accommodating space for the ball member, and has a second electric contact terminal in electric contact with the first electric contact terminal. Once the rolling area is tilted, the ball member will move by virtue of gravity to contact with an inner peripheral surface of the shell member so as to establish an electrical connection between the central electric contact member with the first electric contact terminal.
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