| 摘要 |
Apparatus for immediately shutting down the engine of a motor vehicle in the event that the throttle sticks in an open position. A connecting member is secured at one end of the throttle linkage of a carburetor and at the other end to a piston slidably contained within a housing. A cut-off spring acts between the housing and the piston with sufficient force to drive the piston against the push button actuator of a cut-off switch wired into the engine ignition system. The opposite end of the connecting member is attached to the throttle return spring which acts through the connecting member with a greater opposing force than the cut-off spring to prevent the piston from cycling the shut-off switch. In the event the throttle return spring breaks or the throttle linkage becomes jammed in an open position, the cut-off spring is released and the engine immediately shut down.
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