A corrosion-resistant wheel centering sleeve is provided to aid in centering a wheel about a wheel hub. The wheel centering sleeves have an adjustable thickness in order to coordinate with various-sized gap spaces in the wheel hole between the wheel and the stud.

A composite compression limiter (44) includes a cylindrical body (46) extending axially with an aperture (48) extending axially therethrough to receive a fastener (18), the body (46) being made of a continuous fiber polymeric tape reinforced by a plurality of fibers ranging from approximately 20% to approximately 65% by weight.

A clamping force monitoring device is provided having a step washer, a contact plate, a compression washer separating the step washer and the contact plate, a threaded fastener extending through the step washer and the compression washer, a nut and an electric circuit, wherein when a sufficient axial force is exerted in the threaded fastener by engagement of the nut, the compression washer is compressed and the step washer is in contact with the contact plate, thereby closing the electric circuit. A method for monitoring a threaded fastener is provided including extending a threaded fastener through a step washer and a compression washer and engaging the threaded fastener with a nut, wherein when a sufficient axial force is applied to the threaded fastener by the nut, the compression washer is compressed and the step washer contacts a contact plate, thereby closing an electric circuit.

A child stroller comprises a wheel assembly that includes a wheel disposed on a wheel mount, a wheel bushing including a bore, a pivot pin including an upper end, the pivot pin extending from an upper portion of the wheel mount and into the bore of the wheel bushing, and a force finger disposed in an upper end of the bore and at least partially surrounding and frictionally engaging the upper end of the pivot pin.

A child stroller comprises a wheel assembly that includes a wheel disposed on a wheel mount, a wheel bushing including a bore, a pivot pin including an upper end, the pivot pin extending from an upper portion of the wheel mount and into the bore of the wheel bushing, and a force finger disposed in an upper end of the bore and at least partially surrounding and frictionally engaging the upper end of the pivot pin.

A wheel fastening system for a wheeled mobile robot includes a chassis, a motor, a wheel, a thrust bearing, a stud, and a screw. The chassis has a base and a cover. The cover covers the base. The motor is disposed in the chassis. The motor has a shaft. The wheel has a hub by which the wheel is centered on the shaft of the motor. The thrust bearing is an interference fit between the wheel and the chassis and provides axial support for the wheel. The stud passes through the hub of the wheel to couple to the shaft of the motor. The screw is coupled to the stud, and is clamped between the base and the cover of the chassis. The stud and the screw prevent the wheel from radially shifting relative to the shaft of the motor.

A wheel fastening system for a wheeled mobile robot includes a chassis, a motor, a wheel, a thrust bearing, a stud, and a screw. The chassis has a base and a cover. The cover covers the base. The motor is disposed in the chassis. The motor has a shaft. The wheel has a hub by which the wheel is centered on the shaft of the motor. The thrust bearing is an interference fit between the wheel and the chassis and provides axial support for the wheel. The stud passes through the hub of the wheel to couple to the shaft of the motor. The screw is coupled to the stud, and is clamped between the base and the cover of the chassis. The stud and the screw prevent the wheel from radially shifting relative to the shaft of the motor.

A wheel nut or axle nut for vehicles, having a body, having a central threaded hole, having a peripheral wall, having an abutment face at a lower side, wherein the nut also has a plurality of wrench faces on the peripheral wall of the nut body for tightening or releasing the nut by a tool which cooperates with the wrench faces. In the body at least one recess is provided in which a sensor element is arranged, wherein the sensor element is connected to a wireless interface which is configured to transmit a sensor signal of the sensor element wirelessly to an external reception unit.

A wheel for a motor vehicle, has a rim intended to receive a tire and a wheel disc made of fiber composite material joined to the rim, as well as an arrangement including screws or nuts for fastening the wheel disc to a wheel hub, for which purpose the wheel disc has axially directed openings for the passage of the screws or threaded bolts for screwing onto the nuts. The arrangement includes, for each opening of the wheel disc, an insulating body, a bush and a washer, each having a central opening, which surround the opening of the wheel disc in a U-shape, wherein the bush rests as a frame at an inner circumference of the opening, and the insulating body and the washer, resting against the frame and against the wheel disc in each case on one side of the wheel, at least partially cover the wheel disc in the radial direction. The insulating body is directed towards the wheel inside and the washer is directed towards the wheel outside. The insulating body can consist at least partially of ceramic material.

A wheel fastening system for a wheeled mobile robot includes a chassis, a motor, a wheel, and a thrust bearing. The motor is disposed in the chassis, and the motor turns a shaft connected to the wheel. The thrust bearing is an interference fit between the wheel and the chassis and provides axial support for the wheel to hold the position of the wheel. The wheeled mobile robot does not deviate from a chosen path during movement.