Lippert Components, Inc.

Samual Evans

Evan Whitney

Nathan Brunck

Marcus Montie

A trailer tongue jack is convertible between operation by an integral actuator and an external actuator. The jack includes a clutch mechanism or coupler operable to selectively engage a drive screw with the integral actuator or the external actuator.

Convertible tongue jack

An adjustment coupler includes a first clutch member and a second clutch member. In embodiments, the first clutch member may be rotationally fixed with respect to the second clutch member when a torque applied thereto is less than a predetermined amount. When the torque is greater than or equal to the predetermined amount, the first clutch member may rotate with respect to the second clutch member. In other embodiments, the first clutch member may be rotationally fixed to the second clutch member.

Growing community of inventors

Granger, IN, United States of America

Samual Evans