Patent attributes
Disclosed are various embodiments for a multi-track bearing folding knife or folding tool. In various embodiments, a folding knife has a handle having a first side with a first side inner surface and a second side with a second side inner surface and a blade rotatably coupled to the handle, where the blade is configured to rotate from a closed position and an open position. A multi-track bearing may be disposed between the handle and the blade. The multi-track bearing may include a first plurality of balls positioned along a first circular path and a second plurality of balls positioned along a second circular path. The balls of the multi-track bearing may protrude from both a first side of the bearing and a second side of the bearing to contact two surfaces. A first guide and a second guide may be formed by a periodic rotation of the blade.
