US 12,304,574 B1
Rotation limiting device, and steering device
Kazuyuki Hatanaka, Gunma (JP)
Assigned to NSK STEERING & CONTROL, INC., Tokyo (JP)
Appl. No. 18/838,472
Filed by NSK STEERING & CONTROL, INC., Tokyo (JP)
PCT Filed Dec. 20, 2022, PCT No. PCT/JP2022/046983
§ 371(c)(1), (2) Date Aug. 14, 2024,
PCT Pub. No. WO2023/157462, PCT Pub. Date Aug. 24, 2023.
Claims priority of application No. 2022-021008 (JP), filed on Feb. 15, 2022.
Int. Cl. B62D 5/00 (2006.01); B62D 1/16 (2006.01)
CPC B62D 5/001 (2013.01) [B62D 1/16 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A rotation limiting device comprising:
a first member having a first protrusion;
a second member having a second protrusion disposed on an axial one side with respect to the first protrusion, the second member being disposed around the first member and configured to rotate relative to the first member;
at least one intermediate member disposed between the first member and the second member in a radial direction and supported in a relatively rotatable manner with respect to the first member and the second member, the at least one intermediate member including a side plate portion disposed between the first protrusion and the second protrusion in an axial direction, an intermediate side first protrusion protruding toward an axial other side from an axial other side surface of the side plate portion, and an intermediate side second protrusion protruding toward the axial one side from an axial one side surface of the side plate portion; and
a rotation support mechanism configured to support the second member around the first member in a relatively rotatable manner with respect to the first member,
wherein the first member has a first side surface facing the axial one side and the first protrusion protruding from the first side surface toward the axial one side,
wherein the second member has a second side surface facing the axial other side and the second protrusion protruding from the second side surface toward the axial other side,
wherein the first member includes a first cylindrical portion, extending toward the axial one side, to which the at least one intermediate member is externally fitted in a relatively rotatable manner, and a first flange portion that protrudes toward a radially outer side from an outer peripheral surface of the first cylindrical portion,
wherein the first flange portion has the first side surface on an axial one side surface, and
wherein the rotation support mechanism is disposed on the outer peripheral surface of the first cylindrical portion.