US 11,867,222 B2
Hybrid washer
John Eric Chapman, Gray, TN (US)
Appl. No. 16/973,802
Filed by John Eric Chapman, Gray, TN (US)
PCT Filed Jun. 10, 2019, PCT No. PCT/US2019/036249
§ 371(c)(1), (2) Date Dec. 10, 2020,
PCT Pub. No. WO2019/241097, PCT Pub. Date Dec. 19, 2019.
Claims priority of provisional application 62/683,395, filed on Jun. 11, 2018.
Prior Publication US 2021/0262515 A1, Aug. 26, 2021
Int. Cl. F16B 43/00 (2006.01); F16B 39/24 (2006.01)
CPC F16B 43/009 (2013.01) [F16B 39/24 (2013.01); F16B 43/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A hybrid washer for a fastening system having a shank member, a nut positioned at one end of the shank member, and a bearing element receiving the other end of the shank member, the hybrid washer comprising:
an essentially disk-shaped body having an outer ring, an inner ring, and a bore extending through the inner ring, the outer ring including an engagement surface with a plurality of wedges forming a plurality of crests and troughs, the inner ring including a pair of spaced-apart essentially smooth flat surfaces in overlying relation with one another,
wherein the inner ring is essentially a smooth flat surface from the bore to the outer ring;
wherein the shank member inserts through the hybrid washer inner ring bore; and
wherein the hybrid washer outer ring engagement surface frictionally engages the bearing element.