US3133453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut and lead screw mechanism
Assignee: Royal Mcbee Corp
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Filing: 1962-06-28
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Granted: 1964-05-19
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Lapointe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:25
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2247; F16H25/2261; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19781; Y10T74/19791; Y10T74/198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A MOTION TRANSMITTING DEVICE COMPRISING, IN COMBINATION, A NUT HAVING AN AXIAL BORE EXTENDING THERETHROUGH, A LEAD SCREW ROTATABLY DISPOSED IN SAID BORE, A ROTATABLE BEARING MEMBER CARRIED BY SAID NUT WITH ITS AXIS TRANSVERSE TO THE NUT AXIS AND ADAPTED TO SUPPORT SAID SCREW AT ANGULARLY SPACED PORTIONS OF ITS PERIPHERY, SAID BEARING MEMBER COMPRISING A ROLLER HAVING SPACED FRUSTRO-CONICAL BEARING SURFACES ON WHICH SAID SCREW IS SUPPORTED AT ANGULARLY SPACED PORTIONS OF THE PERIPHERY THEREOF, AND A DRIVE MEMBER CARRIED BY SAID NUT AND ENGAGING A THREAD OF SAID SCREW WHEREBY ROTATION OF SAID SCREW CAUSES AXIAL MOVEMENT OF SAID NUT.
Claim 2
Dependent Claim
103 words
A MOTION TRANSMITTING DEVICE COMPRISING, IN COMBINATION, A NUT HAVING AN AXIAL BORE EXTENDING THERETHROUGH, A LEAD SCREW ROTATABLY DISPOSED IN SAID BORE, A ROTATABLE BEARING MEMBER CARRIED BY SAID NUT WITH ITS AXIS TRANSVERSE TO THE NUT AXIS AND ADAPTED TO SUPPORT SAID SCREW AT ANGULARLY SPACED PORTIONS OF ITS PERIPHERY, SAID BEARING MEMBER COMPRISING A ROLLER HAVING SPACED FRUSTRO-CONICAL BEARING SURFACES ON WHICH SAID SCREW IS SUPPORTED AT ANGULARLY SPACED PORTIONS OF THE PERIPHERY THEREOF, AND A DRIVE MEMBER CARRIED BY SAID NUT AND ENGAGING A THREAD OF SAID SCREW WHEREBY ROTATION OF SAID SCREW CAUSES AXIAL MOVEMENT OF SAID NUT.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |