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US3177744A Expired / Lapsed US ⏱️ 0.0 years remaining

Lathe stock catcher

Assignee: B&H Associated Designers
•
Filing: 1963-05-24
•
Granted: 1965-04-13
•
Expires: 1983-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Max T Davidson
  • 👤 William D Ward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 08:55
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/04; B23Q7/047; B23Q7/008; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T29/00; Y10T29/51; Y10T29/5178; Y10T82/00; Y10T82/25; Y10T82/2593

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 235 words
A LATHE STOCK CATCHER ADAPTED TO BE FIXEDLY SUPPORTED FROM A TAIL STOCK TOOL HOLDER OR THE LIKE AND UTILIZED TO LOOSELY TELESCOPINGLY RECEIVE AND FRICTIONALLY AND ROTATABLY SUPPORT THE PORTION OF THE BAR STOCK WHICH IS TO BE REMOVED BY USING A CUTOFF BLADE, SAID CATCHER COMPRSING BORE DEFINING SLEEVE MEANS INCLUDING SUPPORT MEANS AT ONE END ADAPTED FOR SUPPORT FROM A TAIL STOCK TOOL HOLDER OR THE LIKE WITH SAID SLEEVE SUBSTANTIALLY AXIALLY ALIGNED WITH THE AXIS OF ROTATION OF THE BAR STOCK, SAID SLEEVE MEANS HAVING AT LEAST TWO LONGITUDINALLY EXTENDING AND CIRCUMFERENTIALLY SPACED SLOTS FORMED THEREIN AND DISPOSED ON ONE SIDE OF A DIAMETRIC PLANE EXTENDING LONGITUDINALLY OF SAID SLEEVE MEANS, SAID SLEEVE MEANS ON THE OTHER SIDE OF SAID PLANE BEING FREE OF INWARDLY PROJECTING PORTIONS, A PAIR OF ELONGATED INSERTS MOUNTED IN SAID SLOTS FOR MOVEMENT GENERALLY RADIALLY OF SAID SLEEVE MEANS, AND MEANS NORMALLY YIELDINGLY URGING SAID INSERTS INWARDLY OF SAID SLEEVE MEANS TOWARD POSITIONS WITH PORTIONS OF SAID INSERTS PROJECTING INTO SAID BORE WHEREBY SAID INSERTS MAY FRICTIONALLY AND SLIDABLY GRIP SAID PORTION OF SAID BAR STOCK AND URGE AND SAID PORTION INTO FRICTIONAL ENGAGEMENT WITH THE REMOTE SURFACES OF SAID BORE FOR HOLDING SAID PORTION AS IT IS CUT FROM THE REMAINDER OF SAID BAR STOCK, SAID INSERTS INCLUDING ABUTMENT MEANS ENGAGABLE WITH SAID SLEEVE MEANS LIMITING THEIR INWARD RADIAL MOVEMENT RELATIVE TO SAID SLEEVE MEANS.
Claim 2
Dependent Claim 235 words
A LATHE STOCK CATCHER ADAPTED TO BE FIXEDLY SUPPORTED FROM A TAIL STOCK TOOL HOLDER OR THE LIKE AND UTILIZED TO LOOSELY TELESCOPINGLY RECEIVE AND FRICTIONALLY AND ROTATABLY SUPPORT THE PORTION OF THE BAR STOCK WHICH IS TO BE REMOVED BY USING A CUTOFF BLADE, SAID CATCHER COMPRSING BORE DEFINING SLEEVE MEANS INCLUDING SUPPORT MEANS AT ONE END ADAPTED FOR SUPPORT FROM A TAIL STOCK TOOL HOLDER OR THE LIKE WITH SAID SLEEVE SUBSTANTIALLY AXIALLY ALIGNED WITH THE AXIS OF ROTATION OF THE BAR STOCK, SAID SLEEVE MEANS HAVING AT LEAST TWO LONGITUDINALLY EXTENDING AND CIRCUMFERENTIALLY SPACED SLOTS FORMED THEREIN AND DISPOSED ON ONE SIDE OF A DIAMETRIC PLANE EXTENDING LONGITUDINALLY OF SAID SLEEVE MEANS, SAID SLEEVE MEANS ON THE OTHER SIDE OF SAID PLANE BEING FREE OF INWARDLY PROJECTING PORTIONS, A PAIR OF ELONGATED INSERTS MOUNTED IN SAID SLOTS FOR MOVEMENT GENERALLY RADIALLY OF SAID SLEEVE MEANS, AND MEANS NORMALLY YIELDINGLY URGING SAID INSERTS INWARDLY OF SAID SLEEVE MEANS TOWARD POSITIONS WITH PORTIONS OF SAID INSERTS PROJECTING INTO SAID BORE WHEREBY SAID INSERTS MAY FRICTIONALLY AND SLIDABLY GRIP SAID PORTION OF SAID BAR STOCK AND URGE AND SAID PORTION INTO FRICTIONAL ENGAGEMENT WITH THE REMOTE SURFACES OF SAID BORE FOR HOLDING SAID PORTION AS IT IS CUT FROM THE REMAINDER OF SAID BAR STOCK, SAID INSERTS INCLUDING ABUTMENT MEANS ENGAGABLE WITH SAID SLEEVE MEANS LIMITING THEIR INWARD RADIAL MOVEMENT RELATIVE TO SAID SLEEVE MEANS.

References Cited (Backward Citations)

DE525605C Cited
US2236047A Cited
US2574157A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-12 1968-10-12 1969-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-12 1972-10-12 1973-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-12 1976-10-12 1977-04-13 $7700.00 Window Closed / Lapsed

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