Patent US3283350A successfully refreshed from Google Patents.
US3283350A
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Method of forming a lock nut having a helically coiled thread element
Assignee: Individual
•
Filing: 1963-12-13
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Granted: 1966-11-08
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 Hattan Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:36
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/707; F; F16; F16B; F16B37/00; F16B37/12; F16B39/00; F16B39/22; F16B39/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
THE METHOD OF FORMING A LOCK NUT THAT INCLUDES PROVIDING AN ESSENTIALLY HELICALLY COILED ELONGATED RESILIENT ELEMENT FORMING A THREAD AT ITS INNER SIDE THREADEDLY ENGAGEABLE WITH A MATING SCREW, SAID ELEMENT HAVING A FIRST PORTION OF MORE THAN ONE TURN SHAPED TO ESSENTIALLY FIT THE SCREW AND HAVING AN EFFECTIVE INTERNAL DIAMETER WHICH IS UNIFORM FOR A PLURALITY OF TURNS, SAID ELEMENT HAVING A SECOND PORTION WHICH IS DISTORTED SUFFICIENTLY TO HAVE AN INTERFERENCE FIT WITH THE SCREW AND THEREBY ATTAIN A SELF LOCKING ACTION THEREWITH, BONDING SUCCESSIVE TURNS OF SAID FIRST PORTION TOGETHER TO RETAIN THEM AGAINST EXPANSION FOR LOAD BEARING ENGAGEMENT WITH THE SCREW, HOLDING SAID FIRST PORTION DURING SAID BONDING IN A CONDITION IN WHICH THE DIAMETER THEREOF DECREASES VERY SLIGHTLY IN AN AXIAL DIRECTION, TO BE RETAINED IN THAT CONDITION BY THE BONDING, AND LEAVING SAID SECOND PORTION FREE OF SUCH BONDED ATTACHMENT OF ONE TURN TO AN ADJACENT TURN AND FREE OF RESILIENT DEFORMATION BY THE SCREW FOR INTERFERING ENGAGEMENT THEREWITH.
Claim 2
Independent Claim
167 words
THE METHOD OF FORMING A LOCK NUT THAT INCLUDES PROVIDING AN ESSENTIALLY HELICALLY COILED ELONGATED RESILIENT ELEMENT FORMING A THREAD AT ITS INNER SIDE THREADEDLY ENGAGEABLE WITH A MATING SCREW, SAID ELEMENT HAVING A FIRST PORTION OF MORE THAN ONE TURN SHAPED TO ESSENTIALLY FIT THE SCREW AND HAVING AN EFFECTIVE INTERNAL DIAMETER WHICH IS UNIFORM FOR A PLURALITY OF TURNS, SAID ELEMENT HAVING A SECOND PORTION WHICH IS DISTORTED SUFFICIENTLY TO HAVE AN INTERFERENCE FIT WITH THE SCREW AND THEREBY ATTAIN A SELF LOCKING ACTION THEREWITH, BONDING SUCCESSIVE TURNS OF SAID FIRST PORTION TOGETHER TO RETAIN THEM AGAINST EXPANSION FOR LOAD BEARING ENGAGEMENT WITH THE SCREW, HOLDING SAID FIRST PORTION DURING SAID BONDING IN A CONDITION IN WHICH THE DIAMETER THEREOF DECREASES VERY SLIGHTLY IN AN AXIAL DIRECTION, TO BE RETAINED IN THAT CONDITION BY THE BONDING, AND LEAVING SAID SECOND PORTION FREE OF SUCH BONDED ATTACHMENT OF ONE TURN TO AN ADJACENT TURN AND FREE OF RESILIENT DEFORMATION BY THE SCREW FOR INTERFERING ENGAGEMENT THEREWITH.
References Cited (Backward Citations)
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US2407879A
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |