US Patent 7493853 Cardboard baler

A baler, comprising a compacting mechanism and a binding mechanism is provided. The compacting mechanism comprises a bearing plane against which cardboard is compressed. This baler includes a compacting mechanism and rope tightening mechanism. In using the baler of the invention, a cardboard compacting platform is pulled up towards the compacting bearing plane along a channel in a frame. The compacting platform is pulled up by mechanical force and dragged downwards by its weight. A rope clamp placed on each side of the rack combine with the rope retracting ratchet gear and other elements from a rope tightening mechanism to tie up the compacting cardboard.