A locking assembly includes a first housing including legs at opposed corners and including a flange extending from a bottom thereof that includes an aperture for receiving a fastener therethrough. The first housing has a pair of slots formed along the top thereof, a third slot medially formed of the pair of slots, defines a cavity therein and has a notch in a rear thereof. A second housing is positional within the first housing and includes a conduit that has a threaded inner surface and guide tracks conjoined to the sidewalls thereof. A mechanism is included for adapting the second housing between retracted and extended positions. A mechanism is included for prohibiting the seat from unintentionally biasing between retracted and extended positions. An actuating arm having is disposed within the third slot, is pivotally connected to the first housing and includes a spring member.