US3298218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming wheel rims and the like
Assignee: ZF Active Safety US Inc
•
Filing: 1963-08-20
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Granted: 1967-01-17
•
Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 George E Gollwitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:07
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524; Y10T29/49529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN APPARATUS FOR FORMING A RIM FROM AN ANNULAR BLANK INCLUDING OUTER DIE MEANS OPERABLE TO CONFINE THE BLANK ON THE RADIALLY OUTER PERIPHERY THEREOF, A PAIR OF OPPOSITELY MOVABLE RAMS MOVABLE AXIALLY INTO THE BLANK, A PAIR OF INNER DIES CARRIED ONE ON EACH OF SAID RAMS, EACH OF SAID INNER DIES COMPRISING A PLURALITY OF DIE SEGMENTS ENGAGEABLE WITH THE RADIALLY INNER PERIPHERY OF A BLANK ENCLOSED BY SAID OUTER DIE MEANS TO FORM SAID RIM UPON THE MOVEMENT OF SAID RAMS TOWARD ONE ANOTHER, AND WEDGE MEANS CARRIED BY EACH OF SAID RAMS FOR RADIALLY EXPANDING SAID DIE SEGMENTS AND MEANS FOR ACTUATING SAID WEDGE MEANS UPON THE COMPLETION OF THE MOVEMENT OF SAID RAMS TOWARD ONE ANOTHER.
Claim 2
Independent Claim
121 words
AN APPARATUS FOR FORMING A RIM FROM AN ANNULAR BLANK INCLUDING OUTER DIE MEANS OPERABLE TO CONFINE THE BLANK ON THE RADIALLY OUTER PERIPHERY THEREOF, A PAIR OF OPPOSITELY MOVABLE RAMS MOVABLE AXIALLY INTO THE BLANK, A PAIR OF INNER DIES CARRIED ONE ON EACH OF SAID RAMS, EACH OF SAID INNER DIES COMPRISING A PLURALITY OF DIE SEGMENTS ENGAGEABLE WITH THE RADIALLY INNER PERIPHERY OF A BLANK ENCLOSED BY SAID OUTER DIE MEANS TO FORM SAID RIM UPON THE MOVEMENT OF SAID RAMS TOWARD ONE ANOTHER, AND WEDGE MEANS CARRIED BY EACH OF SAID RAMS FOR RADIALLY EXPANDING SAID DIE SEGMENTS AND MEANS FOR ACTUATING SAID WEDGE MEANS UPON THE COMPLETION OF THE MOVEMENT OF SAID RAMS TOWARD ONE ANOTHER.
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |