Abstract: A reciprocating rocking device for the rocking of a chair or cradle, the chair or cradle having rockers and a seat member, the reciprocating rocking device comprising a base secured to the rockers, the base comprising a first bracket, a second bracket secured to the seat member of the chair or cradle, a tension member connected to the second bracket, an eccentric, the eccentric constantly engaged with the second bracket and, a motor secured to the first bracket, the motor having a drive shaft operatively arranged to drive the eccentric, wherein the motor is coaxially arranged with the eccentric.

Abstract: A motorized apparatus that produces either rocking or gliding motion, includes a gear motor with a drive shaft; a drive mechanism to functionally connect to a device to be rocked; the drive mechanism being either an actuating linkage or an eccentric that is rotatably coupled to both said drive shaft and said device to be rocked or glided translating rotary motion of the drive shaft when powered to said drive mechanism, that translates the motion to said device to be rocked or glided providing continuously smooth rocking motion to any device that is enhanced by being able to be rocked or glided, such as a cradle, rocker, or wheel chair.