B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
301/131, 26/189
B23Q 17/00 (2006.01)
Patent
CA 1216614
ABSTRACT OF THE DISCLOSURE The end of an axle spindle is provided with right hand and left hand threads to receive respective axle nuts. The inner nut thread diameter is larger than the outer nut thread diameter in order to avoid interference. The wheel, bearings and an inner nonrotatable washer on the axle spindle are secur- ed in place by tightening the inner nut to an initial snug (no clearance) condition against the face of the nonrotatable washer. One of eight holes on the outer face of the inner nut receives a projecting pin of a spacing control device which pin projects a predetermined distance. The outer nut is turned until the spacing control device engages one of the eight recesses. Then the flats of both nuts are tightened by a spanner wrench which causes the inner nut to "back off". The method is to create a space between nuts (e.g. by use of a shim spacer) which converts to an appropriate clearance space between the inner nut and nonrotatable washer in the final condition and to maintain that space in the final condition.
473842
Hagelthorn George A.
Smart & Biggar
LandOfFree
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