US Patent 7862442 Adjustable swing device

A swing device comprises a stationary seat and a swinging mechanism. The stationary seat includes a pair of side frames, and a top frame interconnecting the side frames. The swinging mechanism includes a frame body unit swingable between the side frames and including front and rear frame bodies that are interconnected telescopically and that are locked releasably on each other, and a suspending unit including a pair of front swinging rods for connecting the front frame body swingably to the top frame of the stationary seat, and a pair of rear swinging rods for connecting the rear frame body swingably to the top frame of the stationary seat. Each of the rear swinging rods includes upper and lower tubes that are interconnected telescopically and that are locked releasably on each other.