US3226809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing worm-and-nut devices
Assignee: TECH INTEGRALE SA
•
Filing: 1962-08-17
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Granted: 1966-01-04
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Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 Perrin Herve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:58
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2247; F16H25/2252; F16H25/2003; F16H25/2006; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49469; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19749; Y10T74/19767; Y10T74/19781; Y10T74/19791; Y10T74/19795
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
METHOD OF MANUFACTURING A WORM-AND NUT DEVICE, WHEREIN THE WORM THREADS CONTACT AT LEAST ONE MEMBER SUCH AS A BALL, A PLAIN ROLLER, OR A THREADED ROLLER, SAID MEMBER TRANSFOMING THE GREATER PART OF THE SLIDING FRICTIONAL CONTACTS INTO ROLLING CONTACTS, WHICH CONSISTS IN UTILIZING FOR THE WORM AN AIR-HARDENED STEEL, IN MACHINING THE WORM AND SUBSEQUENTLY BURNISHING SAID WORM BY COLD WORKING THE WORM THREADS BY CIRCULATING THROUGHOUT ITS LENGTH A NUT ASSEMBLY WITH CONTROLLED PLAY, LOCKED UNDER A SLIGHT AMOUNT OF PRESTRESS.
Claim 2
Dependent Claim
84 words
METHOD OF MANUFACTURING A WORM-AND NUT DEVICE, WHEREIN THE WORM THREADS CONTACT AT LEAST ONE MEMBER SUCH AS A BALL, A PLAIN ROLLER, OR A THREADED ROLLER, SAID MEMBER TRANSFOMING THE GREATER PART OF THE SLIDING FRICTIONAL CONTACTS INTO ROLLING CONTACTS, WHICH CONSISTS IN UTILIZING FOR THE WORM AN AIR-HARDENED STEEL, IN MACHINING THE WORM AND SUBSEQUENTLY BURNISHING SAID WORM BY COLD WORKING THE WORM THREADS BY CIRCULATING THROUGHOUT ITS LENGTH A NUT ASSEMBLY WITH CONTROLLED PLAY, LOCKED UNDER A SLIGHT AMOUNT OF PRESTRESS.
References Cited (Backward Citations)
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |