Patent US3200682A successfully refreshed from Google Patents.
US3200682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the mottions of the template holder of a copying lathe
Assignee: H Ernault Batignolles SA
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Filing: 1961-05-23
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Granted: 1965-08-17
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Brusque Rene Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:01
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/42; B23Q35/46; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A COPYING LATHE COMPRISING A SADDLE THE SUCCESSIVE FORWARD STROKES OF WHICH CORRESPOND TO ALTERNATING ROUGHTING AND FINISHING CUT CYCLES, AND A TEMPLATE HOLDER ADAPTED TO HOLD A TEMPLATE AND MOVABLE BETWEEN A ROUGHING CUT POSITION AND A FINISHING CUT POSITION, A CONTROL DEVICE FOR CONTROLLING THE MOVEMENTS OF SAID HOLDER BETWEEN SAID POSITIONS, SAID CONTROL DEVICE COMPRISING FIXED STOP MEANS ENGAGEABLE DURING SAID FINISHING CUT CYCLE BY SAID HOLDER FOR DETERMINING SAID FINISHING CUT POSITION THEREOF, STOP MEANS DISPLACEABLE BETWEEN AN ACTIVE POSITION WHEREIN IT ENGAGES SAID HOLDER FOR DETERMINING SAID ROUGHING CUT POSITION THEREOF DURING SAID ROUGHING CUT CYCLE, AND AN INACTIVE POSITION WHEREIN SAID DISPLAQCEABLE STOP MEANS IS DISENGAGED FROM THE HOLDER DURING SAID FINISHING CUT CYCLE; A ROTATABLE CAM OF SUBSTANTIALLY SQUARE CAM PROFILE AND HAVING EDGES WHICH DETERMINE SAID ACTIVE POSITION OF SAID DISPLACEABLE STOP MEANS, AND FLAT
Claim 2
Dependent Claim
144 words
IN A COPYING LATHE COMPRISING A SADDLE THE SUCCESSIVE FORWARD STROKES OF WHICH CORRESPOND TO ALTERNATING ROUGHTING AND FINISHING CUT CYCLES, AND A TEMPLATE HOLDER ADAPTED TO HOLD A TEMPLATE AND MOVABLE BETWEEN A ROUGHING CUT POSITION AND A FINISHING CUT POSITION, A CONTROL DEVICE FOR CONTROLLING THE MOVEMENTS OF SAID HOLDER BETWEEN SAID POSITIONS, SAID CONTROL DEVICE COMPRISING FIXED STOP MEANS ENGAGEABLE DURING SAID FINISHING CUT CYCLE BY SAID HOLDER FOR DETERMINING SAID FINISHING CUT POSITION THEREOF, STOP MEANS DISPLACEABLE BETWEEN AN ACTIVE POSITION WHEREIN IT ENGAGES SAID HOLDER FOR DETERMINING SAID ROUGHING CUT POSITION THEREOF DURING SAID ROUGHING CUT CYCLE, AND AN INACTIVE POSITION WHEREIN SAID DISPLAQCEABLE STOP MEANS IS DISENGAGED FROM THE HOLDER DURING SAID FINISHING CUT CYCLE; A ROTATABLE CAM OF SUBSTANTIALLY SQUARE CAM PROFILE AND HAVING EDGES WHICH DETERMINE SAID ACTIVE POSITION OF SAID DISPLACEABLE STOP MEANS, AND FLAT
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |