US3075690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enclosed transmission mechanism
Assignee: Emerson Electric Co
•
Filing: 1960-04-18
•
Granted: 1963-01-29
•
Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:28
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/042; F16H57/0421; F16H57/0434; F16H57/0456; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1966; Y10T74/19665; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A DEVICE OF THE CHARACTER DESCRIBED: A SHAFT; A SUPPORT HAVING AN APERTURE INTO WHICH SAID SHAFT EXTENDS; A BEARING BRACKET FOR SAID SHAFT AND SECURED TO SAID SUPPORT AT SAID APERTURE; SAID BRACKET INCLUDING AN ANNULAR OUTER PORTION, A TUBULAR PORTION WITHIN THE OUTER PORTION, AND HAVING BEARING STRUCTURES AT OPPOSITE ENDS OF THE TUBULAR PORTION, SAID OUTER PORTION SURROUNDING THE TUBULAR PORTION AND INTEGRALLY JOINED THERETO BY A PLURALITY OF RIBS; A ROTARY FAN CARRIED BY SAID SHAFT EXTERIORLY OF SAID BRACKET; AN OPEN-ENDED HOLLOW SHIELD SPACED FROM AND COOPERATING WITH SAID OUTER PORTION TO DEFINE AN AIR FLOW PATH, SAID SHIELD EXTENDING AXIALLY IN ONE DIRECTION BEYOND SAID FAN, AND EXTENDING AXIALLY IN THE OTHER DIRECTION TOWARD THE INNER END OF SAID BEARING BRACKET AND SUBSTANTIALLY ENTIRELY SURROUNDING SAID OUTER PORTION: SAID FAN CAUSING A FLOW OF AIR OVER SAID OUTER PORTION.
Claim 2
Dependent Claim
146 words
IN A DEVICE OF THE CHARACTER DESCRIBED: A SHAFT; A SUPPORT HAVING AN APERTURE INTO WHICH SAID SHAFT EXTENDS; A BEARING BRACKET FOR SAID SHAFT AND SECURED TO SAID SUPPORT AT SAID APERTURE; SAID BRACKET INCLUDING AN ANNULAR OUTER PORTION, A TUBULAR PORTION WITHIN THE OUTER PORTION, AND HAVING BEARING STRUCTURES AT OPPOSITE ENDS OF THE TUBULAR PORTION, SAID OUTER PORTION SURROUNDING THE TUBULAR PORTION AND INTEGRALLY JOINED THERETO BY A PLURALITY OF RIBS; A ROTARY FAN CARRIED BY SAID SHAFT EXTERIORLY OF SAID BRACKET; AN OPEN-ENDED HOLLOW SHIELD SPACED FROM AND COOPERATING WITH SAID OUTER PORTION TO DEFINE AN AIR FLOW PATH, SAID SHIELD EXTENDING AXIALLY IN ONE DIRECTION BEYOND SAID FAN, AND EXTENDING AXIALLY IN THE OTHER DIRECTION TOWARD THE INNER END OF SAID BEARING BRACKET AND SUBSTANTIALLY ENTIRELY SURROUNDING SAID OUTER PORTION: SAID FAN CAUSING A FLOW OF AIR OVER SAID OUTER PORTION.
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |