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US3261198A Expired / Lapsed US ⏱️ 0.0 years remaining

Impact wrench checkers

Assignee: B K SWEENEY MANUFACTURING Co
•
Filing: 1964-07-09
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Granted: 1966-07-19
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Expires: 1984-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Edward T Able
  • 👤 Krieger Willard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:25
CPC Classifications
G; G01; G01L; G01L25/00; G01L25/003

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 134 words
A WRENCH CHECKER COMPRISING: A HOUSING AN ANCHOR TUBE FIXEDLY MOUNTED AT ITS FORWARDLY EXTREMITY IN SAID HOUSING AND EXTENDING REARWARDLY THEREFROM; A TENSION BAR EXTENDING LONGITUDINALLY WITHIN SAID ANCHOR TUBE LOCKING MEANS AFFIXING THE REAR EXTREMITY OF SAID TENSION BAR TO SAID ANCHOR TUBE; AN ANNULAR THRUST BEARING IN SAID HOUSING SURROUNDING THE FORWARD PORTION OF SAID TENSION BAR; A ROTATABLE INTERNALLY THREADED NUT ON THE FORWARD EXTREMITY OF SAID TENSION BAR AND BEARING AGAINST SAID THRUST BEARING; WRENCH ENGAGING MEANS ON SAID NUT FOR IMPARTING ROTATION TO SAID NUT TO CAUSE IT TO REACT AGAINST SAID THRUST BEARING TO STRETCH SAID TENSION BAR LONGITUDINALLY; AND GAUGE MEANS ACTUABLE IN CONSEQUENCE OF THE STRETCH IMPARTED TO SAID TENSION BAR TO INDICATE THE AMOUNT OF TORQUE BEING APPLIED TO SAID NUT BY SAID WRENCH.
Claim 2
Dependent Claim 134 words
A WRENCH CHECKER COMPRISING: A HOUSING AN ANCHOR TUBE FIXEDLY MOUNTED AT ITS FORWARDLY EXTREMITY IN SAID HOUSING AND EXTENDING REARWARDLY THEREFROM; A TENSION BAR EXTENDING LONGITUDINALLY WITHIN SAID ANCHOR TUBE LOCKING MEANS AFFIXING THE REAR EXTREMITY OF SAID TENSION BAR TO SAID ANCHOR TUBE; AN ANNULAR THRUST BEARING IN SAID HOUSING SURROUNDING THE FORWARD PORTION OF SAID TENSION BAR; A ROTATABLE INTERNALLY THREADED NUT ON THE FORWARD EXTREMITY OF SAID TENSION BAR AND BEARING AGAINST SAID THRUST BEARING; WRENCH ENGAGING MEANS ON SAID NUT FOR IMPARTING ROTATION TO SAID NUT TO CAUSE IT TO REACT AGAINST SAID THRUST BEARING TO STRETCH SAID TENSION BAR LONGITUDINALLY; AND GAUGE MEANS ACTUABLE IN CONSEQUENCE OF THE STRETCH IMPARTED TO SAID TENSION BAR TO INDICATE THE AMOUNT OF TORQUE BEING APPLIED TO SAID NUT BY SAID WRENCH.

References Cited (Backward Citations)

US2795131A Cited
US3115029A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-18 1970-01-17 1970-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-18 1974-01-17 1974-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-18 1978-01-17 1978-07-19 $7700.00 Window Closed / Lapsed

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