US3272250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking nut
Assignee: Individual
•
Filing: 1965-06-15
•
Granted: 1966-09-13
•
Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Hattan Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:31
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B37/00; F16B37/12; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/937; Y10S411/955; Y10S411/965; Y10S411/967
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A LOCK NUT COMPRISING A CASE, AN ELONGATED THREAD ELEMENT OF RESILIENT SPRING MATERIAL LOCATED AT LEAST PARTIALLY WITHIN SAID CASE, SAID ELEMENT BEING COILED GENERALLY HELICALLY AND HAVING A RADIALLY INNER PORTION FORMING AN INTERNAL THREAD FOR ENGAGEMENT WITH A MATING SCREW, MEANS FORMING AN ESSENTIALLY HELICAL RAMP CARRIED BY SAID CASE AXIALLY INWARDLY OF SAID THREAD ELEMENT FOR TAKING AXIALLY INWARD FORCES THEREFROM AND HAVING A SHOULDER PREVENTING RELATIVE ROTATION OF SAID ELEMENT, A PLURALITY OF PRIMARY TURNS OF SAID THREAD ELEMENT BEING PERMANENTLY BONDED ESSENTIALLY RIGIDLY TO SAID CASE, AND TO ONE ANOTHER AD TO SAID RAMP, SAID THREAD ELEMENT HAVING A LOCKING PORTION AXIALLY OUTWARDLY BEYOND SAID PRIMARY TURNS IN A DIRECTION AWAY FROM SAID RAMP WHICH IS DEFORMED TO, AND NORMALLY RETURNS BY ITS OWN RESILIENCE
Claim 2
Dependent Claim
131 words
A LOCK NUT COMPRISING A CASE, AN ELONGATED THREAD ELEMENT OF RESILIENT SPRING MATERIAL LOCATED AT LEAST PARTIALLY WITHIN SAID CASE, SAID ELEMENT BEING COILED GENERALLY HELICALLY AND HAVING A RADIALLY INNER PORTION FORMING AN INTERNAL THREAD FOR ENGAGEMENT WITH A MATING SCREW, MEANS FORMING AN ESSENTIALLY HELICAL RAMP CARRIED BY SAID CASE AXIALLY INWARDLY OF SAID THREAD ELEMENT FOR TAKING AXIALLY INWARD FORCES THEREFROM AND HAVING A SHOULDER PREVENTING RELATIVE ROTATION OF SAID ELEMENT, A PLURALITY OF PRIMARY TURNS OF SAID THREAD ELEMENT BEING PERMANENTLY BONDED ESSENTIALLY RIGIDLY TO SAID CASE, AND TO ONE ANOTHER AD TO SAID RAMP, SAID THREAD ELEMENT HAVING A LOCKING PORTION AXIALLY OUTWARDLY BEYOND SAID PRIMARY TURNS IN A DIRECTION AWAY FROM SAID RAMP WHICH IS DEFORMED TO, AND NORMALLY RETURNS BY ITS OWN RESILIENCE
References Cited (Backward Citations)
US964062A
Cited
US2279574A
Cited
GB550445A
Cited
US2363663A
Cited
US2387257A
Cited
US2407879A
Cited
US2439687A
Cited
GB857495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |