Patent US3889798A successfully refreshed from Google Patents.
US3889798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for transporting bars
Assignee: BBC Brown Boveri AG Germany
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Filing: 1974-01-15
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Granted: 1975-06-17
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Expires: 1994-01-15
Abstract
Abstract Driven members for transporting heavy bars or bar setions on slideways, in their longitudinal direction, comprising drive wheels for the bars. Driven wheels are arranged alongside and act on the bars, the wheels having radial circular slots at their periphery. Lateral guide bars are mounted in the slots to keep the transported bars from tilting.
Inventors
- 👤 Heinz Jurgens
- 👤 Heinrich Ostendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:13
CPC Classifications
B; B65; B65G; B65G35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
Means for transporting bars or bar sections, on slideways, in their longitudinal direction comprising driven friction wheels which are arranged alongside and acting on said bars, said wheels having radial circular slots at their periphery, and means to compensate for uneven pressure of said wheels on said bars and prevent the bars from tilting, comprising lateral guide bars mounted in said slots, said guide bars being located to bear on central portions of said bars, at least one friction wheel and guide bar being located on each side alongside the bars to be transported, the surfaces of the friction wheels extending slightly beyond the surfaces of the guide bars above and below the guide bars.
Claim 2
Dependent Claim
115 words
Means for transporting bars or bar sections, on slideways, in their longitudinal direction comprising driven friction wheels which are arranged alongside and acting on said bars, said wheels having radial circular slots at their periphery, and means to compensate for uneven pressure of said wheels on said bars and prevent the bars from tilting, comprising lateral guide bars mounted in said slots, said guide bars being located to bear on central portions of said bars, at least one friction wheel and guide bar being located on each side alongside the bars to be transported, the surfaces of the friction wheels extending slightly beyond the surfaces of the guide bars above and below the guide bars.
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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |