US3230762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque measuring in preloaded ball screw and nut assemblies
Assignee: Beaver Precision Products Inc
•
Filing: 1963-01-15
•
Granted: 1966-01-25
•
Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Leo F Doran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:57
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A TESTING DEVICE FOR ASCERTAINING THE PRELOAD TORQUE IN A PRELOAD BALL SCREW AND NUT ASSEMBLY COMPRISING MEANS FOR SUPPORTING SAID SCREW WITH THE NUT THEREON FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, A TEST YOKE ADAPTED TO RIGIDLY EMBRACE SAID NUT AND TURN BODILY WITH THE NUT, A REFERENCE ASSEMBLY, SAID REFERENCE ASSEMBLY BEING ROTATABLY FIXED, MEANS FOR MOVING SAID REFERENCE ASSEMBLY IN A DIRECTION ALONG THE LONGITUDINAL AXIS OF SAID SCREW IN SYCHRONOUS MOVEMENT WITH SAID NUT WHEN SAID SCREW IS ROTATED, A DEFLECTABLE LEAF OPERATIVELY CONNECTED BETWEEN SAID REFERENCE ASSEMBLY AND SAID TEST YOKE AND OPERABLE TO BE DEFLECTED BY RELATIVE ROTATION BETWEEN SAID REFERENCE ASSEMBLY AND TEST YOKE, AND MEANS FOR MEASURING THE DEFLECTION OF SAID LEAF.
Claim 2
Dependent Claim
121 words
IN A TESTING DEVICE FOR ASCERTAINING THE PRELOAD TORQUE IN A PRELOAD BALL SCREW AND NUT ASSEMBLY COMPRISING MEANS FOR SUPPORTING SAID SCREW WITH THE NUT THEREON FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, A TEST YOKE ADAPTED TO RIGIDLY EMBRACE SAID NUT AND TURN BODILY WITH THE NUT, A REFERENCE ASSEMBLY, SAID REFERENCE ASSEMBLY BEING ROTATABLY FIXED, MEANS FOR MOVING SAID REFERENCE ASSEMBLY IN A DIRECTION ALONG THE LONGITUDINAL AXIS OF SAID SCREW IN SYCHRONOUS MOVEMENT WITH SAID NUT WHEN SAID SCREW IS ROTATED, A DEFLECTABLE LEAF OPERATIVELY CONNECTED BETWEEN SAID REFERENCE ASSEMBLY AND SAID TEST YOKE AND OPERABLE TO BE DEFLECTED BY RELATIVE ROTATION BETWEEN SAID REFERENCE ASSEMBLY AND TEST YOKE, AND MEANS FOR MEASURING THE DEFLECTION OF SAID LEAF.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |