Amazon.com: HappiJac Centering Guide for Truck Camper Tie Down Various Sizes : Automotive
Happijac Bed Lift: Bed Lift Circuit Board, Happijac 182706 (478684)
Amazon.com: HappiJac Replacement Truck Camper Jack Clutchless Current Sensing CCS Motor Drive Assembly with Wireless Remote Control and Logic Board Computer Module for 4220 and 4820 Motorized Jacks - 733960 : Automotive
Patent US7347484 - Bed lift mechanism | Bed lifts, Patent drawing, Lifting
Happijac Bed Lift Parts List, This ad is for 1 sofa only and I do not have another available.