US3905089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of constructing a one-piece aluminum differential housing
Assignee: Dana Inc
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Filing: 1974-02-22
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Granted: 1975-09-16
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Expires: 1994-02-22
Abstract
Abstract An axle including a unitized carrier housing and a method of constructing the same are provided. The carrier housing comprises an one-piece casting with a cover plate. Sleeves are cast integrally with the housing and provide a means of attachment and alignment for the tubes within which are carried the axle shafts. Preferably the sleeves are knurled or otherwise provided with an irregular surface to provide a secure attachment to the housing. The sleeves also provide access to the interior of the differential housing for machining the bearing seats within the housing. This construction and method of assembly is most advantageous in providing unitized carrier housings of cast aluminum and like materials which are not readily amenable to being welded, subsequent to machining, to the axle tubes.
Inventors
- 👤 Carl D Osenbaugh
- 👤 Ronald E Bollet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:56
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/023; B; B60; B60K; B60K17/00; B60K17/04; B60K17/16; F16H57/037; F16H2057/02039; F16H2057/02043; F16H2057/02052; F16H2057/02091; F16H48/00; F16H48/06; F16H48/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/4998; Y10T29/49988; Y10T29/49989; Y10T74/00; Y10T74/21; Y10T74/2186; Y10T74/2188
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
A method of constructing an axle including a differential said method comprising: a. providing a pair of axially aligned sleeves; b. casting an one-piece differential housing of aluminum or the like about said sleeves; c. inserting a cutting tool through said sleeves and machining bearing seats in said housing adjacent to said sleeves; d. placing a tube in mating and axially overlapping relationship with each of said sleeves and securing said tubes of the associated one of said sleeves and installing differential gearing within said housing, said gearing including bearings mating with the seats machined in step c; and e. inserting axle shafts through said tubes and sleeves and into driving engagement with said differential gearing.
Claim 2
Independent Claim
116 words
A method of constructing an axle including a differential said method comprising: a. providing a pair of axially aligned sleeves; b. casting an one-piece differential housing of aluminum or the like about said sleeves; c. inserting a cutting tool through said sleeves and machining bearing seats in said housing adjacent to said sleeves; d. placing a tube in mating and axially overlapping relationship with each of said sleeves and securing said tubes of the associated one of said sleeves and installing differential gearing within said housing, said gearing including bearings mating with the seats machined in step c; and e. inserting axle shafts through said tubes and sleeves and into driving engagement with said differential gearing.
Claim 3
Independent Claim
119 words
A method of constructing an axle including a differential said method comprising: a. providing a sleeve and a first tube in axial alignment b. casting an one-piece differential housing of aluminum or the like about said sleeve and tube; c. inserting a cutting tool through said sleeve and machining bearing seats in said housing adjacent to said sleeve and said tube; d. placing a second tube in mating and axially overlapping relationship with said sleeve and securing said tube to said sleeve and installing differential gearing within said housing, said gearing including bearings mating with the seats machined in step c; and e. inserting axle shafts through said tubes and sleeve and into driving engagement with said differential gearing.
Claim 4
Independent Claim
119 words
A method of constructing an axle including a differential said method comprising: a. providing a sleeve and a first tube in axial alignment b. casting an one-piece differential housing of aluminum or the like about said sleeve and tube; c. inserting a cutting tool through said sleeve and machining bearing seats in said housing adjacent to said sleeve and said tube; d. placing a second tube in mating and axially overlapping relationship with said sleeve and securing said tube to said sleeve and installing differential gearing within said housing, said gearing including bearings mating with the seats machined in step c; and e. inserting axle shafts through said tubes and sleeve and into driving engagement with said differential gearing.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-15 | 1979-03-17 | 1979-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-15 | 1983-03-17 | 1983-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-15 | 1987-03-17 | 1987-09-16 | $7700.00 | Window Closed / Lapsed |