Abstract: A belt support system is provided to assist in securing and supporting a passenger on a vehicle seat, immediately in front of a rider sitting on the main vehicle seat. A first belt to be worn by the rider incorporates a pair of coupling members attached to shoulder straps at such locations as to be positioned on the front side of the rider's torso. A second belt to be worn by the passenger incorporates a second pair of coupling members located so as to be accessible on the back side of the passenger's body. With the passenger seated immediately in front of the rider, either on the same seat, or on an auxiliary seat, the two pairs of coupling members are releasably secured together. The passenger, who in most applications will be a child, is thus secured to and held by an adult rider.For bicycle use, an auxiliary seat in the form of an elongated cushion having a slot along its length is removably placed over the horizontal bar in front of the main bicycle seat, with the slot being pushed down over the bar.

Abstract: An auxiliary seat for bicycles of elongated, generally cylindrical shape and having a slot running lengthwise of the seat body. The slot opens at its lower end through the material of the body and has a closed upper end, within the interior of the seat body. The auxiliary seat is mounted on the horizontal bar of a bicycle by simply slipping the slot over the bar until the closed upper end of the slot is brought into firm, embracing engagement with the bicycle bar. No special tools, brackets, or hardware are required for installation or removal of the auxiliary seat. The seat is mounted on the horizontal bar of a bicycle, forwardly of the main seat for secure and safe support of a passenger, such as a child.