Patent US3121340A successfully refreshed from Google Patents.
US3121340A
Expired / Lapsed
US
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Resilient nut for averaging out lead screw error
Assignee: SCULLY JONES AND CO
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Filing: 1961-01-03
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Granted: 1964-02-18
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Myron L Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:39
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; B; B23; B23Q; B23Q23/00; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/40; F16H25/2427; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19721; Y10T74/19805; Y10T74/19949; Y10T74/19963; Y10T74/19967
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
A FOLLOWER NUT FOR A LEAD SCREW OR LIKE THREADED MEMBER, COMPRISING: A RETAINER HAVING AN AXIAL BORE, AND MEANS SUPPORTED BY SAID RETAINER AND AFFORDING A MULTIPLICITY OF INDIVIDUAL RESILIENT THREAD-ENGAGING ELEMENTS FOR COMPLIANTLY ENGAGING THE THREADS OF SAID LEAD SCREW, EACH OF SAID ELEMENTS HAVING ONE PORTION ANCHORED TO SAID RETAINER AND EACH OF SAID ELEMENTS HAVING ANOTHER PORTION FREE OF THE RETAINER AND PROJECTING INTO THE BORE, EACH OF SAID OTHER PORTIONS BEING SIZED TO ENGAGE ONLY A FRACTIONAL PORTION OF A THREAD OF THE SCREW, AND EACH OF SAID OTHER PORTIONS OF SAID THREAD ENGAGING ELEMENTS THAT INDIVIDUALLY ENGAGES A THREAD OF THE SCREW BEING FLEXIBLE AND COMPLIANT TO THE SHAPE OF THE SCREW THREAD ENTIRELY INDEPENDENTLY OF THE COMPLIANCE OF THE AXIALLY ADJACENT THREAD ENGAGING ELEMENT.
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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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |