US 12,253,109 B2
Folding implement with fixed bearing surface for rotatable tool
Karl Beitzel, Canton, OH (US)
Filed by Karl Beitzel, Canton, OH (US)
Filed on Sep. 16, 2022, as Appl. No. 17/946,206.
Prior Publication US 2024/0093724 A1, Mar. 21, 2024
Int. Cl. F16C 19/06 (2006.01); B26B 1/04 (2006.01); F16C 33/32 (2006.01)
CPC F16C 19/06 (2013.01) [B26B 1/04 (2013.01); F16C 33/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A folding knife, comprising:
a handle comprising a first scale, a second scale fixed at a distance from the first scale and a blade pocket located between the first scale and the second scale;
a blade having a cutting edge and a tang, wherein the blade is pivotally coupled to the handle between an open position and a closed position wherein at least a portion of the cutting edge is disposed in the blade pocket;
wherein the knife has a pivot axis about which the blade pivots, wherein the pivot axis extends through the first scale, the second scale and a pivot aperture in the blade tang,
a bearing system including a first bearing surface fixed to the first scale and a second bearing surface fixed to the second scale,
wherein the first bearing surface and the second bearing surface are located between a main plane of its respective one of the scales and the blade tang and directly contact the blade tang during pivoting of the blade and
wherein the first bearing surface and the second bearing surface do not rotate.