Controlled position axle nut system and method to preload tapere

Details Controlled position axle nut system and method to preload tapere Controlled position axle nut system and method to preload tapere

1996-05-23

1998-08-18

Stormer, Russell D.

Land vehicles: wheels and axles

Axle

3011051, 384517, 384562, 411131, 411140, 411216, 411939, B60B 2100

Patent

active

057950377

ABSTRACT:
A novel axle nut system is provided on the spindle ends of an axle which mounts a wheel assembly that includes tapered roller bearings. The axle nut system of the present invention includes an adjustment nut, a washer and a retainer member. The adjustment nut is threaded into position having torque applied to it in a controlled manner to achieve specific preload bearing pressure against the outer bearings. Thereafter, the washer is placed into contact with the nut and is rotationally fixed with respect to the axle. Next, the threaded retainer member is rotated into contact with the washer. With the threaded retainer member placed on the axle to prevent any outward movement of either the wheel assembly components or the adjustment nut and washer, the adjustment nut is rotated in the opposite direction by which it was installed until it jams forcibly against the washer and thus, the threaded retainer member. With this rotational movement of the adjustment nut, the original bearing pressure or preload exerted outward against the adjustment nut is transferred and bears against the washer and retainer member.

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