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US4530144A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for adjusting and retaining bearings on an axle

Assignee: RATHER ENGINEERING PC
•
Filing: 1983-06-09
•
Granted: 1985-07-23
•
Expires: 2003-06-09
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Abstract

Abstract 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 secured 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.

Inventors

  • 👤 George A. Hagelthorn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 00:55
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49778; Y10T29/4978

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 129 words
In a method for establishing the exact and final predetermined clearance required in a bearing and axle assembly to assure acceptable performance of roller bearings and conventional and axle components which are retained and maintained in a secured position on an axle spindle, the steps comprising: placing an inner means such as an axle nut on the axle to establish the reference point with respect to the bearing on the axle, placing an outer means such as an axle nut on the axle and establishing the proper space between said inner and outer means based upon the distance required according to the final clearance, and thereafter while maintaining the relationship between said inner and outer means moving said inner and outer means a distance corresponding to the predetermined clearance.
Claim 2
Dependent Claim 129 words
In a method for establishing the exact and final predetermined clearance required in a bearing and axle assembly to assure acceptable performance of roller bearings and conventional and axle components which are retained and maintained in a secured position on an axle spindle, the steps comprising: placing an inner means such as an axle nut on the axle to establish the reference point with respect to the bearing on the axle, placing an outer means such as an axle nut on the axle and establishing the proper space between said inner and outer means based upon the distance required according to the final clearance, and thereafter while maintaining the relationship between said inner and outer means moving said inner and outer means a distance corresponding to the predetermined clearance.
Claim 3
Dependent Claim 32 words
The method in claim 1 including causing said inner and outer means to become relatively immovable with respect to each other at the predetermined clearance to prevent subsequent, significent relative movement therebetween.
Claim 4
Dependent Claim 22 words
The method in claim 2 wherein the proper space is established by placing a spacing member between said inner and outer means.
Claim 5
Dependent Claim 31 words
The method in claim 1 including providing inner and outer nuts and threads on the axle and determining said clearance according to the thread pitch and the rotation of the nuts.
Claim 6
Dependent Claim 68 words
The method in claim 4 including providing flat surfaces on the nuts, placing an inner nut against the bearing, placing the outer nut loosely against the inner nut, rotating the outer nut an increment based upon the relationship between the flat surfaces of the nuts and the pitch of the threads to produce an initial gap, then simultaneously rotating both nuts to provide the clearance with the bearing.
Claim 7
Dependent Claim 14 words
The method in claim 5 including causing said two nuts to become relatively immovable.

References Cited (Backward Citations)

US2972504A Cited
US3298757A Cited
US3726576A Cited
US4231622A Cited
US4398862A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-07-22 1989-01-21 1989-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-07-22 1993-01-21 1993-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-07-22 1997-01-21 1997-07-23 $7700.00 Window Closed / Lapsed

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