	US 12,188,523 B2
	Device for coupling two shafts, and hitching device provided with such a coupling device
Romain Ribo, Verdun en Lauragais (FR); and Cyril Mouret, Verdun en Lauragais (FR)
Assigned to TRACTO-LOCK, Verdun en Lauragais (FR)
Appl. No. 17/613,540
Filed by TRACTO-LOCK, Verdun en Lauragais (FR)
PCT Filed May 20, 2020, PCT No. PCT/FR2020/050846 § 371(c)(1), (2) Date Nov. 23, 2021, PCT Pub. No. WO2020/240120, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 1905536 (FR), filed on May 24, 2019.
Prior Publication US 2022/0252110 A1, Aug. 11, 2022
Int. Cl. F16D 11/14 (2006.01); F16D 11/10 (2006.01); A01B 59/06 (2006.01); F16D 11/00 (2006.01)

CPC F16D 11/14 (2013.01) [F16D 11/10 (2013.01); A01B 59/062 (2013.01); F16D 2011/008 (2013.01); F16D 2500/10462 (2013.01)]

14 Claims

1. Coupling device for coupling two shafts end-to-end, comprising a pair of dog clutch members, each dog clutch member being configured so as to be able to be secured to an end of a shaft to be coupled, and the two dog clutch members being of complementary shapes, characterized in that a first dog clutch member is rotatably mounted in a first casing, in that a second dog clutch member is rotatably mounted in an intermediate bearing, in that the intermediate bearing is slidably mounted in a second casing assumed to be fixed, the intermediate bearing being able to slide relative to the second casing in a direction parallel to the two shafts to be coupled, termed the longitudinal direction, and in that the intermediate bearing is elastically prestressed in the direction of the first casing.