| 摘要 |
A horn-actuator is disclosed for use with a steering-wheel mounted air-bag module in a motor vehicle and is configured to releasably mount a cover of the air-bag module for movement relative to the structure of the steering-wheel. The horn-actuator is configured for movement from an initial position, through an actuating position and on to a release position such that a pair of horn-contacts are closed in the actuating position. Biasing means are provided so as to provide a first biasing force against which the actuator is moved from its initial position to its actuating position, and to provide a second, higher, biasing force against which movement from the actuating position to the release position acts.
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