Patent ID: 8539857

Claim:
An operation mechanism comprising: a base having a tube connected thereto and an axle extending from a sidewall thereof, a control cable extending through the tube; a lever frame having an engaging member, a pin and a lever, the control cable securely engaged with the engaging member and a pivot hole defined through the lever frame, the axle of the base extending through the pivot hole, the pin extending through the lever frame; a movable member having two hooks with which the pin of the lever frame is removably engaged, a reception hole defined in an end of the movable member; a release member including an operation rod, a resilient member and a push rod, the push rod having a first end fixed to the base and a second end of the push rod being inserted into the reception hole of the movable member, the resilient member mounted to the push rod and biased between the movable member and the base, the operation rod extending through the base and inserted into the reception hole of the movable member to push the push rod, and a cover having a connection hole and the axle of the base extending through the connection hole.