Importance

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Abstract

A carburetor for an internal combustion engine has a choke valve mounted in an air induction passage. A choke lever is attached to one end of a choke shaft on which the choke valve is mounted. An improvement comprises a tamper resistant temperature responsive mechanism for controlling opening of the choke valve as the engine warms up. The mechanism includes a housing, a choke countershaft, one end of which extends into the housing, and a cover attachable to the housing and containing a thermostatic coil. A lever is attached to the one end of the counter shaft and the lever has a tang contacted by one end of the thermostatic coil. A substantially straight, nondeformable link connects the choke countershaft and choke lever. The lever within the choke housing is adjustable to position the lever so opening of the choke valve is properly controlled and the setting of the lever cannot be tampered with once the cover is attached to the choke housing.

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First Claim