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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
•
Filing: 1961-05-23
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Granted: 1965-08-17
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Expires: 1981-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 Brusque Rene Le

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:43
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)

US1312999A Cited
US1412928A Cited
US2780488A Cited
US3020791A Cited
US2969692A Cited

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

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