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US3090633A Expired / Lapsed US ⏱️ 0.0 years remaining

Index mechanism for chucks

Assignee: Individual
•
Filing: 1962-04-26
•
Granted: 1963-05-21
•
Expires: 1982-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Farnsworth Lawrence

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:35
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/021; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2073; Y; Y10; Y10T; Y10T279/00; Y10T279/13; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/308792; Y10T409/308848; Y10T74/00; Y10T74/14; Y10T74/20; Y10T74/20576; Y10T74/20636

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
AN INDEX MECHANISM FOR A CHUCK OF THE TYPE HAVING A HOUSING AND A SPINDLE ASSEMBLY ROTATABLY MOUNTED IN SAID HOUSING AND ADAPTED TO GRIP A WORKPIECE FOR ROTATION THEREWITH, SAID MECHANISM COMPRISING; A GENERALLY CYLINDRICAL MEMBER SECURED TO SAID SPINDLE ASSEMBLY, A SERIES OF BALLS RIGIDLY MOUNTED CIRCUMFERENTIALLY AROUND SAID MEMBER WITH ADJACENT BALLS ABUTTING AGAINST ONE ANOTHER TO FORM A GENERALLY V-SHAPED SPACE BETWEEN EACH PAIR OF ADJACENT BALLS, AND A PLUNGER SHIFTABLY MOUNTED ON SAID HOUSING AND HAVING A PORTION INSERTABLE TIGHTLY INTO SAID SPACE BETWEEN ADJACENT BALLS AND INTO ENGAGEMENT THEREWITH TO THEREBY PREVENT ROTATION OF SAID MECHANISM AND ASSEMBLY RELATIVE TO SAID HOUSING.
Claim 2
Dependent Claim 108 words
AN INDEX MECHANISM FOR A CHUCK OF THE TYPE HAVING A HOUSING AND A SPINDLE ASSEMBLY ROTATABLY MOUNTED IN SAID HOUSING AND ADAPTED TO GRIP A WORKPIECE FOR ROTATION THEREWITH, SAID MECHANISM COMPRISING; A GENERALLY CYLINDRICAL MEMBER SECURED TO SAID SPINDLE ASSEMBLY, A SERIES OF BALLS RIGIDLY MOUNTED CIRCUMFERENTIALLY AROUND SAID MEMBER WITH ADJACENT BALLS ABUTTING AGAINST ONE ANOTHER TO FORM A GENERALLY V-SHAPED SPACE BETWEEN EACH PAIR OF ADJACENT BALLS, AND A PLUNGER SHIFTABLY MOUNTED ON SAID HOUSING AND HAVING A PORTION INSERTABLE TIGHTLY INTO SAID SPACE BETWEEN ADJACENT BALLS AND INTO ENGAGEMENT THEREWITH TO THEREBY PREVENT ROTATION OF SAID MECHANISM AND ASSEMBLY RELATIVE TO SAID HOUSING.

References Cited (Backward Citations)

US2233950A Cited
US2267647A Cited
US2908195A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-20 1966-11-19 1967-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-20 1970-11-19 1971-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-20 1974-11-19 1975-05-21 $7700.00 Window Closed / Lapsed

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