US3048506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of quenching gears
Assignee: Curtiss Wright Corp
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Filing: 1956-08-30
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Granted: 1962-08-07
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Expires: 1976-08-30
Abstract
No abstract record available.
Inventors
- 👤 Albert J Belli
- 👤 Harvey S Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR QUECHING A HEATED GEAR HAVING A COAXIAL BORE THERETHROUGH AND HAVING GEAR TEETH WITH THE SIDES OF SAID TEETH BEING DISPOSED PARALLEL TO THE GEAR AXIS; SAID PROCESS COMPRISING THE STEPS OF SUPPORTING THE GEAR ON A POST OF CIRCULAR CROSS-SECTION EXTENDING INTO SAID BORE AMD HAVING SUBSTANTIALLY THE SESIRED DIMENSION OF SAID BORE SUCH THAT SAID POST IS EFFECTIVE TO MAINTAIN THE DESIRED INTERNAL BORE DIMENSIONS OF SAID GEAR DURING THE SUBSEQUENT IMMERSION STEP; AMD THEN, WHILE MOUNTED ON SAID POST, IMMERSING ALL OF GEAR IN A LIQUID WITH THE GEAR AXIS DISPOSED PARALLEL TO THE LEVEL OF THE LIQUID AS, RELATIVE TO THE GEAR, THE LIQUID RISES OVER THE GEAR.
Claim 2
Dependent Claim
115 words
A PROCESS FOR QUECHING A HEATED GEAR HAVING A COAXIAL BORE THERETHROUGH AND HAVING GEAR TEETH WITH THE SIDES OF SAID TEETH BEING DISPOSED PARALLEL TO THE GEAR AXIS; SAID PROCESS COMPRISING THE STEPS OF SUPPORTING THE GEAR ON A POST OF CIRCULAR CROSS-SECTION EXTENDING INTO SAID BORE AMD HAVING SUBSTANTIALLY THE SESIRED DIMENSION OF SAID BORE SUCH THAT SAID POST IS EFFECTIVE TO MAINTAIN THE DESIRED INTERNAL BORE DIMENSIONS OF SAID GEAR DURING THE SUBSEQUENT IMMERSION STEP; AMD THEN, WHILE MOUNTED ON SAID POST, IMMERSING ALL OF GEAR IN A LIQUID WITH THE GEAR AXIS DISPOSED PARALLEL TO THE LEVEL OF THE LIQUID AS, RELATIVE TO THE GEAR, THE LIQUID RISES OVER THE GEAR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |