US3208250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for straightening cylindrical bodies by automation
Assignee: Individual
•
Filing: 1962-06-01
•
Granted: 1965-09-28
•
Expires: 1982-06-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph I Fournier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
B; B21; B21D; B21D3/00; B21D3/10; B21D3/02; B21D3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A METHOD FOR STRAIGHTENING SUBSTANTIALLY CYLINDRICAL BAR STOCK HAVING A CENTRALLY-DISPOSED BOWED PORTION COMPRISING THE STEPS OF SUPPORTING SAID STOCK FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, CONTINUOUSLY ROTATING SAID STOCK, CONTINUOUSLY APPLYING PRESSURE RECIPROCABLY LONGITUDINALLY OF SAID STOCK ALONG THE HIGH SIDE OF SAID BOWED PORTION THEREOF WHILE SAID STOCK IS CONTINUOUSLY ROTATING TO DEPRESS THE SAID HIGH SIDE OF SAID STOCK SO THAT THE GENERATRIX THEREOF TRACES A UNIFORM CYLINDRICAL PLANE AS THE STOCK IS ROTATED ABOUT ITS LONGITUDINAL AXIS, MOVING SENSING MEANS INTO PROXIMITY WITH SAID BAR STOCK ADJACENT SAID BOWED PORTION THEREOF, AND THE FINAL STEP OF ACTUATING MEANS IN RESPONSE TO SAID SENSING MEANS TO ACCEPT OR REJECT BAR STOCK STRAIGHTENED WITHIN GIVEN TOLERANCES OF A TRUE CYLINDER.
Claim 2
Independent Claim
122 words
A METHOD FOR STRAIGHTENING SUBSTANTIALLY CYLINDRICAL BAR STOCK HAVING A CENTRALLY-DISPOSED BOWED PORTION COMPRISING THE STEPS OF SUPPORTING SAID STOCK FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, CONTINUOUSLY ROTATING SAID STOCK, CONTINUOUSLY APPLYING PRESSURE RECIPROCABLY LONGITUDINALLY OF SAID STOCK ALONG THE HIGH SIDE OF SAID BOWED PORTION THEREOF WHILE SAID STOCK IS CONTINUOUSLY ROTATING TO DEPRESS THE SAID HIGH SIDE OF SAID STOCK SO THAT THE GENERATRIX THEREOF TRACES A UNIFORM CYLINDRICAL PLANE AS THE STOCK IS ROTATED ABOUT ITS LONGITUDINAL AXIS, MOVING SENSING MEANS INTO PROXIMITY WITH SAID BAR STOCK ADJACENT SAID BOWED PORTION THEREOF, AND THE FINAL STEP OF ACTUATING MEANS IN RESPONSE TO SAID SENSING MEANS TO ACCEPT OR REJECT BAR STOCK STRAIGHTENED WITHIN GIVEN TOLERANCES OF A TRUE CYLINDER.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |