Abstract: Provided are a retainer cage and a bearing device capable of suppressing fluctuation of torque. A bearing device of the present disclosure includes: an inner ring having an outer circumferential track surface on an outer circumferential surface; an outer ring having an inner circumferential track surface on an inner circumferential surface; a plurality of balls disposed between the outer circumferential track surface and the inner circumferential track surface; and a retainer cage.

Abstract: In one embodiment, a rail extension comprises: an energy absorber comprising a polymer body, wherein the energy absorber comprises cells formed by cell walls extending a length of the energy absorber and forming cavities therethrough; each side of the energy absorber comprises an open channel wherein the channel is defined by walls of adjacent cells; a vehicle attachment tab extending from at least one of the cell walls at one end of the energy absorber; and a first vehicle attachment tab gusset extending between the vehicle attachment tab and the cell wall on one side of an opening in the vehicle attachment; wherein the energy absorber and the vehicle attachment tab were formed as one-piece.

Abstract: In one embodiment, a rail extension comprises: an energy absorber comprising a polymer body, wherein the energy absorber comprises cells formed by cell walls extending a length of the energy absorber and forming cavities therethrough; each side of the energy absorber comprises an open channel wherein the channel is defined by walls of adjacent cells; a vehicle attachment tab extending from at least one of the cell walls at one end of the energy absorber; and a first vehicle attachment tab gusset extending between the vehicle attachment tab and the cell wall on one side of an opening in the vehicle attachment; wherein the energy absorber and the vehicle attachment tab were formed as one-piece.

Abstract: In one embodiment, a rail extension comprises: an energy absorber comprising a polymer body, and vehicle attachment tabs extending from one end of the energy absorber and configured to attach to a vehicle rail, and an attachment tab extending from another end of the energy absorber and configured to attach to a bumper beam. The energy absorber can comprise cells formed by cell walls extending a length of the energy absorber and forming cavities therethrough; and open channels formed on each side of the energy absorber, wherein the channels are defined by walls of adjacent cells. A vehicle can comprise: a bumper beam; a vehicle rail; and the rail extensions.

Abstract: In one embodiment, a rail extension comprises: an energy absorber comprising a polymer body, and vehicle attachment tabs extending from one end of the energy absorber and configured to attach to a vehicle rail, and an attachment tab extending from another end of the energy absorber and configured to attach to a bumper beam. The energy absorber can comprise cells formed by cell walls extending a length of the energy absorber and forming cavities therethrough; and open channels formed on each side of the energy absorber, wherein the channels are defined by walls of adjacent cells. A vehicle can comprise: a bumper beam; a vehicle rail; and the rail extensions.

Abstract: In an embodiment, an impact device comprises: a metal component comprising greater than or equal to three walls forming a metal component channel; and a plastic component having a honeycomb structure with a plurality of walls defining comb channels therein. The combs channels are oriented perpendicular to at least one of the three walls, and the plastic component is inseparable from the metal component without damage to at least one of the metal component and the plastic component. A wall of the metal component can comprise an aperture, and wherein plastic material from the plastic component is located in the aperture.

Abstract: In an embodiment, an impact device comprises: a metal component comprising greater than or equal to three walls forming a metal component channel; and a plastic component having a honeycomb structure with a plurality of walls defining comb channels therein. The combs channels are oriented perpendicular to at least one of the three walls, and the plastic component is inseparable from the metal component without damage to at least one of the metal component and the plastic component. A wall of the metal component can comprise an aperture, and wherein plastic material from the plastic component is located in the aperture.

Abstract: In an embodiment, an energy absorbing device comprises: a metal component comprising greater than or equal to three walls forming a metal component channel; and a plastic component having a honeycomb structure with a plurality of walls defining comb channels therein. The plastic component is located in the metal component channel forming a crash can. The plastic component is inseparable from the metal component without damage to the metal component and/or the plastic component. In one embodiment, a method of making an energy absorbing device can comprise: co-molding the metal component and the plastic component to form a crash can. The energy absorbing device can be used on a vehicle, adjacent to a vehicle component.

Abstract: In an embodiment, an energy absorbing device comprises: a metal component comprising greater than or equal to three walls forming a metal component channel; and a plastic component having a honeycomb structure with a plurality of walls defining comb channels therein. The plastic component is located in the metal component channel forming a crash can. The plastic component is inseparable from the metal component without damage to the metal component and/or the plastic component. In one embodiment, a method of making an energy absorbing device can comprise: co-molding the metal component and the plastic component to form a crash can. The energy absorbing device can be used on a vehicle, adjacent to a vehicle component.