US3122384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially adjustable drive mechanism
Assignee: Emerson Electric Co
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Filing: 1961-06-12
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Granted: 1964-02-25
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:25
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A ROTARY DRIVE STRUCTURE INCLUDING A ROTARY SHAFT AND AN ELEMENT PLACED SO THAT THE SHAFT AND THE ELEMENT ARE IN DRIVING RELATION; A KEY CARRIED BY THE SHAFT AND EXTENDING INTO A KEYWAY LOCATED IN THE ELEMENT, THE KEYWAY PERMITTING RELATIVE SLIDING AXIAL MOTION BETWEEN THE SHAFT AND THE ELEMENT; AND NON-METALLIC BUSHING INTERPOSED BETWEEN AND IN CONTACT WITH THE ELEMENT AND THE SHAFT, SAID BUSHING HAVING LOW FRICTION PROPERTIES WITH RESPECT TO THE SHAFT AND THE ELEMENT AND HAVING A LONGITUDINAL SPLIT FROM END TO END OF THE BUSHING TO PERMIT THE PASSAGE THERETHROUGH OF SAID KEY, SAID SPLIT FOR AT LEAST A PORTION OF ITS LENGTH HAVING OUTWARDLY TURNED EDGES EXTENDING ALONG OPPOSITE SIDES OF THE KEY, AND LOCATED BETWEEN THE KEYWAY AND THE KEY.
Claim 2
Dependent Claim
129 words
IN A ROTARY DRIVE STRUCTURE INCLUDING A ROTARY SHAFT AND AN ELEMENT PLACED SO THAT THE SHAFT AND THE ELEMENT ARE IN DRIVING RELATION; A KEY CARRIED BY THE SHAFT AND EXTENDING INTO A KEYWAY LOCATED IN THE ELEMENT, THE KEYWAY PERMITTING RELATIVE SLIDING AXIAL MOTION BETWEEN THE SHAFT AND THE ELEMENT; AND NON-METALLIC BUSHING INTERPOSED BETWEEN AND IN CONTACT WITH THE ELEMENT AND THE SHAFT, SAID BUSHING HAVING LOW FRICTION PROPERTIES WITH RESPECT TO THE SHAFT AND THE ELEMENT AND HAVING A LONGITUDINAL SPLIT FROM END TO END OF THE BUSHING TO PERMIT THE PASSAGE THERETHROUGH OF SAID KEY, SAID SPLIT FOR AT LEAST A PORTION OF ITS LENGTH HAVING OUTWARDLY TURNED EDGES EXTENDING ALONG OPPOSITE SIDES OF THE KEY, AND LOCATED BETWEEN THE KEYWAY AND THE KEY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |