| 摘要 |
A push button actuator for an electrical switch device is disclosed which provides high tactile feedback with small button travel. Movement of the push button is resisted by a resilient column extending between the button and a force transfer device which is adapted to laterally engage the column in response to a sufficient force applied to the force transfer device through the column. The lateral engagement initiates buckling of the column which sharply reduces its load bearing capacity and causes the push button to snap to its depressed position.
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