US3337732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw drive mechanism for moving an article along a rectilinear path independently of irregularities in said screw
Assignee: General Precision Inc
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Filing: 1964-02-03
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Granted: 1967-08-22
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Willard J Opocensky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:48
CPC Classifications
G; G21; G21K; G21K5/00; G21K5/10; G21H; G21H5/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18568; Y10T74/18576; Y10T74/1868
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN AN APPARATUS FOR PROVIDING A RECTILINEAR MOTION TO A MOVABLE CARRIAGE ALONG LINEAR GUIDE MEANS BY A ROTACTABLE LEAD SCREW POSITIONED PARALLEL TO SAID GUIDE MEANS, A CARRIAGE DRIVE MECHANISM CONNECTING SAID CARRIAGE TO SAID LEAD SCREW FOR PROVIDING SAID MOTION INDEPENDENTLY OF IRREGULARITIES IN SAID LEAD SCREW, SAID CARRIAGE DRIVE MECHANISM COMPRISING: A NUT THREADABLY ENGAGING SAID ROTATABLE LEAD SCREW, AND DRIVE MEANS CONNECTED TO SAID CARRIAGE AND COUPLED TO SAID NUT FOR URGING SAID CARRIAGE ALONG SAID GUIDE MEANS UPON ROTATION OF SAID LEAD SCREW, THE COUPLING TO SAID NUT BEING A LOOSE ENGAGEMENT FOR ISOLATING SAID DRIVE MEANS AND SAID CARRIAGE FROM NON-AXIAL MOVEMENT OF SAID NUT CAUSED BY IRREGULARITIES IN SAID LEAD SCREW.
Claim 2
Dependent Claim
118 words
IN AN APPARATUS FOR PROVIDING A RECTILINEAR MOTION TO A MOVABLE CARRIAGE ALONG LINEAR GUIDE MEANS BY A ROTACTABLE LEAD SCREW POSITIONED PARALLEL TO SAID GUIDE MEANS, A CARRIAGE DRIVE MECHANISM CONNECTING SAID CARRIAGE TO SAID LEAD SCREW FOR PROVIDING SAID MOTION INDEPENDENTLY OF IRREGULARITIES IN SAID LEAD SCREW, SAID CARRIAGE DRIVE MECHANISM COMPRISING: A NUT THREADABLY ENGAGING SAID ROTATABLE LEAD SCREW, AND DRIVE MEANS CONNECTED TO SAID CARRIAGE AND COUPLED TO SAID NUT FOR URGING SAID CARRIAGE ALONG SAID GUIDE MEANS UPON ROTATION OF SAID LEAD SCREW, THE COUPLING TO SAID NUT BEING A LOOSE ENGAGEMENT FOR ISOLATING SAID DRIVE MEANS AND SAID CARRIAGE FROM NON-AXIAL MOVEMENT OF SAID NUT CAUSED BY IRREGULARITIES IN SAID LEAD SCREW.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |