US4574448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fastening machine element to a shaft
Assignee: SKF GmbH
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Filing: 1984-07-10
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Granted: 1986-03-11
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Expires: 2004-07-10
Abstract
Abstract In a method for fixedly mounting a machine element such as a bearing on a smooth shaft, the material of the shaft is displaced by forcing a stamping tool into an outer surface of the shaft, in a direction at an angle to the axis of the shaft.
Inventors
- 👤 Manfred Brandenstein
- 👤 Willi Gossmann
- 👤 Gebhard Pape
- 👤 Klaus Huttner
- 👤 Wilfried Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:20
CPC Classifications
F; F16; F16C; F16C37/00; B; B21; B21D; B21D39/00; B21D39/04; B23; B23P; B23P11/00; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16D; F16D1/00; F16D1/06; F16D1/064; F16D1/072; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/53; Y10T29/53996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
An apparatus for affixing a machine element to a shaft comprising two axially moveable substantially annular work tool holders mountable on the shaft on both sides of the machine element, each work tool holder having at least one diametrically opposite pair of displaceable stamping tools and means for guiding the respective stamping tools for movement in a direction at an angle to the central axis of the apparatus or shaft.
Claim 2
Independent Claim
70 words
An apparatus for affixing a machine element to a shaft comprising two axially moveable substantially annular work tool holders mountable on the shaft on both sides of the machine element, each work tool holder having at least one diametrically opposite pair of displaceable stamping tools and means for guiding the respective stamping tools for movement in a direction at an angle to the central axis of the apparatus or shaft.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-10 | 1989-09-09 | 1990-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-10 | 1993-09-09 | 1994-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-10 | 1997-09-09 | 1998-03-11 | $7700.00 | Window Closed / Lapsed |