US3683713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft drive for scrapers
Assignee: Borsig GmbH
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Filing: 1970-11-27
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Granted: 1972-08-15
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Expires: 1990-11-27
Abstract
Abstract A shaft drive, especially for scraper coolers, in which the drive conveying sprocket wheel is rotatably journaled on a stationary trunnion while for the transmission of the torque from the sprocket wheel to the shaft to be driven there are provided entraining means keyed to said shaft, and overload breaking pin means coupling said sprocket wheel to said entraining means.
Inventors
- 👤 Peter Brucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:26
CPC Classifications
F; F16; F16D; F16D9/00; F16D9/06; F16H; F16H7/00; F16H7/06; F28; F28F; F28F19/00; F28F19/008; F28F5/00; Y; Y10; Y10S; Y10S474/00; Y10S474/902
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
60 words
A shaft drive, especially for scraper coolers, which includes: stationary housing means having one end portion provided with a trunnion formed as a bearing neck, a sprocket wheel rotatably journaled on said trunnion, a shaft rotatably journaled within said housing means, entraining means keyed to said shaft, and overload breaking pin means interconnecting said sprocket wheel and said entraining means.
Claim 2
Dependent Claim
60 words
A shaft drive, especially for scraper coolers, which includes: stationary housing means having one end portion provided with a trunnion formed as a bearing neck, a sprocket wheel rotatably journaled on said trunnion, a shaft rotatably journaled within said housing means, entraining means keyed to said shaft, and overload breaking pin means interconnecting said sprocket wheel and said entraining means.
Claim 3
Dependent Claim
67 words
A shaft drive, especially for scraper coolers, which includes: stationary housing means having one end portion provided with a trunnion, a sprocket wheel rotatably journaled on said trunnion, a shaft rotatably journaled within said housing means, entraining means keyed to said shaft, and overload breaking pin means interconnecting said sprocket wheel and said entraining means, said trunnion and said housing means together forming a single cast piece.
Claim 4
Dependent Claim
67 words
A shaft drive, especially for scraper coolers, which includes: stationary housing means having one end portion provided with a trunnion, a sprocket wheel rotatably journaled on said trunnion, a shaft rotatably journaled within said housing means, entraining means keyed to said shaft, and overload breaking pin means interconnecting said sprocket wheel and said entraining means, said trunnion and said housing means together forming a single cast piece.
Claim 5
Dependent Claim
32 words
A drive according to claim 1, in which said trunnion formed as a bearing neck and said stationary housing means are composed of at least two parts rigidly connected to each other.
Claim 6
Dependent Claim
49 words
A drive according to claim 2, in which said trunnion axially extends through said sprocket wheel, and in which one end portion of said shaft axially extends outwardly through said trunnion, said entraining means being keyed to that end portion of said shaft which extends outwardly through said trunnion.
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |