Patent ID: 7837569

Claim:
A manual swing drive mechanism to manually initiate and maintain a pendulum swinging movement on swing lines of said swing, said swing drive mechanism comprising: a) a swaying member extending in parallel, below and alongside the horizontal supporting cross-beam of said swing, said swaying member being fixed to said cross-beam by hinges, b) a rocking arm with longitudinal centre perpendicularly fixed at one extremity of said swaying member so that said rocking arm with said swaying member forms a T-shaped assembly extending on an horizontal plane, below said swing horizontal supporting cross-beam, c) two rigid swinging arms separated of each other by the same distance as said swing lines so to support said swing lines, said rigid swinging arms fixed vertically and perpendicularly to said swaying member with one arm fixed at approximately six inches from said rocking arm, said swinging arms suspending and attaching from their lower ends said swing lines, d) two parallel pulling lines extending vertically towards the ground, each one attached to and suspended from each extremity of said rocking arm and each one mounting a pulling handle at its lower end.