Patent US3914852A successfully refreshed from Google Patents.
US3914852A
Expired / Lapsed
US
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Method of securing a sealing boot or like sealing member to an outer member of a universal joint
Assignee: GKN Automotive Ltd
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Filing: 1974-04-23
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Granted: 1975-10-28
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Expires: 1994-04-23
Abstract
Abstract A universal joint comprising an open-ended outer member, an inner member movable universally therein and coupled thereto by torque transmitting balls, the open end of the outer member being closed by a sealing member of resilient material having a sleevelike attachment portion embracing the outer member adjacent to its open end and itself embraced externally by a metal sleeve which has a terminal portion projecting axially beyond the attachment portion of the sealing member, with the terminal portion deformed radially inwardly over a ring seated in a circumferential groove in the outer member so as to interlock the metal sleeve with the outer member and prevent its axial withdrawal therefrom.
Inventors
- 👤 Leslie George Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/084; B23P19/086; B23P11/00; B23P11/005; F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/845; F16J; F16J3/00; F16J3/04; F16J3/041; F16J3/042; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/227; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49913; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
284 words
A method of securing a sealing boot or like sealing member of resiliently deformable material to an outer member of a universal joint comprising the steps of: a. providing interlock means on the joint outer member, b. forming the sealing member with a sleeve-like attachment portion having a free end and with a radially inwardly stepped portion adjacent to the attachment portion, c. fitting the attachment portion oF the sealing member onto an end portion of the joint outer member until the attachment portion is in axially overlapping relation with the end portion and the stepped portion of the sealing member is positioned adjacent to an end face of the outer member presented by said end portion thereof, d. forming a deformable metal sleeve with a radially inwardly stepped portion, e. passing the sleeve axially over the attachment portion of the sealing member in a direction towards the free end of the attachment portion, f. continuing movement of the sleeve in said direction until a terminal portion of the sleeve projects axially beyond the free end of the attachment portion and the stepped portion of the sleeve is spaced axially outwardly of the end portion of the joint outer member by the stepped portion of the sealing member, g. subjecting the stepped portion of the sealing member to axial compression between said end face and said radially inwardly stepped portion of the sleeve, and h. while the stepped portion of the sealing member is maintained under axial compression, subjecting the terminal portion of the sleeve to deformation to establish therefor a longitudinal diametral cross-sectional shape providing an interlocking relation with said interlock means provided on the joint outer member, thereby to prevent axial withdrawal.
Claim 2
Independent Claim
284 words
A method of securing a sealing boot or like sealing member of resiliently deformable material to an outer member of a universal joint comprising the steps of: a. providing interlock means on the joint outer member, b. forming the sealing member with a sleeve-like attachment portion having a free end and with a radially inwardly stepped portion adjacent to the attachment portion, c. fitting the attachment portion oF the sealing member onto an end portion of the joint outer member until the attachment portion is in axially overlapping relation with the end portion and the stepped portion of the sealing member is positioned adjacent to an end face of the outer member presented by said end portion thereof, d. forming a deformable metal sleeve with a radially inwardly stepped portion, e. passing the sleeve axially over the attachment portion of the sealing member in a direction towards the free end of the attachment portion, f. continuing movement of the sleeve in said direction until a terminal portion of the sleeve projects axially beyond the free end of the attachment portion and the stepped portion of the sleeve is spaced axially outwardly of the end portion of the joint outer member by the stepped portion of the sealing member, g. subjecting the stepped portion of the sealing member to axial compression between said end face and said radially inwardly stepped portion of the sleeve, and h. while the stepped portion of the sealing member is maintained under axial compression, subjecting the terminal portion of the sleeve to deformation to establish therefor a longitudinal diametral cross-sectional shape providing an interlocking relation with said interlock means provided on the joint outer member, thereby to prevent axial withdrawal.
Claim 3
Dependent Claim
48 words
A method according to claim 1 wherein said metal sleeve is further deformed radially inwardly in a pinch zone extending circumferentially of said metal sleeve at a position between said open end of said outer member and said free end of said attachment portion of said sealing member.
Claim 4
Dependent Claim
117 words
A method according to claim 1 wherein: a. deformation of said metal sleeve is also effected in a pinch zone extending circumferentially of said sleeve at a position between said open end of said outer member and said free end of said attachment portion of said sealing member, b. said deformation in said pinch zone is also effected by engagement of said sleeve with a roller element relatively moved rotationally around said sleeve about said longitudinal axis of said joint, c. deformation of said terminal portion and said pinch portion of said sleeve is effected concurrently by respective roller elements or respective portions of a common roller element at the same, or approximately the same, radial position.
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) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |