Patent US3985225A successfully refreshed from Google Patents.
US3985225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain conveyor with support chain
Assignee: Individual
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Filing: 1975-03-05
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Granted: 1976-10-12
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Expires: 1995-03-05
Abstract
Abstract Chain conveyor with support chain comprising a frame mounting a drive sprocket and a tension sprocket, as well as an endless traction chain running therearound having a working run carrying a load that is transported, which run is supported by guides fixed to the frame through rollers having their rotational axes extending parallel with the axes of the sprockets, the rollers being pivotally interconnected in series with their ends to form an endless chain freely passing through openings in the frame, the portions of the guides surrounded by this chain having rounded portions.
Inventors
- 👤 Sergei Alexeevich Baum
- 👤 Nikolai Mikhailovich Meshkov
- 👤 Mikhail Georgievich Nikolaev
- 👤 Evgeny Yakovlevich Osipov
- 👤 Boris Alexandrovich Khaikin
- 👤 Gershon Davidovich Dymov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:03
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/243; B; B65; B65G; B65G39/00; B65G39/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
156 words
A chain conveyor for transporting a load, comprising: a frame having openings; a driving sprocket mounted at one end of said frame; means mounted on said frame for rotating said sprocket; a tension sprocket mounted at the opposite of said frame with respect to said driving sprocket; guides fixed to said frame between said sprockets; rollers having their rotational axes extending parallel with those of said sprockets, said rollers being pivotally interconnected, with their ends in series, so as to form an endless chain freely passing through said openings; and an endless traction chain passing around said sprockets, including links thereon, and its working run carrying the load supported by said guides through said rollers; portions of said guides surrounded by said chain being formed by said rollers, which have rounded portions; wherein each of said rollers is provided at an intermediate portion thereof with an annular projection located between said links of the traction chain.
Claim 2
Dependent Claim
156 words
A chain conveyor for transporting a load, comprising: a frame having openings; a driving sprocket mounted at one end of said frame; means mounted on said frame for rotating said sprocket; a tension sprocket mounted at the opposite of said frame with respect to said driving sprocket; guides fixed to said frame between said sprockets; rollers having their rotational axes extending parallel with those of said sprockets, said rollers being pivotally interconnected, with their ends in series, so as to form an endless chain freely passing through said openings; and an endless traction chain passing around said sprockets, including links thereon, and its working run carrying the load supported by said guides through said rollers; portions of said guides surrounded by said chain being formed by said rollers, which have rounded portions; wherein each of said rollers is provided at an intermediate portion thereof with an annular projection located between said links of the traction chain.
Claim 3
Dependent Claim
30 words
The conveyor as defined in claim 1, further comprising additional rollers provided at said guide portions, adjacent said sprockets, to prevent said working run of the traction chain from sagging.
References Cited (Backward Citations)
US2868356A
Cited
US3351179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-12 | 1980-04-12 | 1980-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-12 | 1984-04-12 | 1984-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-12 | 1988-04-12 | 1988-10-12 | $7700.00 | Window Closed / Lapsed |