Abstract: A spring-loaded seat assembly includes an upper seat and a lower seat connected by a plurality of spring members. A recess is formed on a respective outer surface of the upper and the lower seats. A number of hooks are provided on a respective inner surface of each seat for engaging both ends of the spring members so that the seats are resiliently connected together. A damping mechanism is provided between the upper and the lower seats so as to reduce the elasticity coefficient of the spring members. Therefore, the users may feel more comfortable.

Abstract: A steering wheel pad keyboard switch assembly is mounted on a steering wheel. The preassembled switch assembly comprises a base, a printed circuit board which has an array of open contact grids, an elastomeric switch member which has an array of movable contacts, a guide plate and a push button sub-assembly. The guide plate has a plurality of guide bosses and guide holes disposed in the same predetermined array for guiding the stem pieces of the push buttons into operative contact with the movable contacts of the switch member and a pad portion for supporting a horn switch. The push button sub-assembly comprises a frame member which is attached to the base to provide the unit handle switch assembly, a plurality of push buttons which are slideably retained in respective slide chambers of the frame and a soft decorative cover which includes a depressible horn switch pad to operate the horn switch and cut-outs to provide access to the push buttons.