US3698613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip accumulator
Assignee: United States Steel Corp
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Filing: 1971-01-15
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Granted: 1972-10-17
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Expires: 1991-01-15
Abstract
Abstract A strip accumulator including fixed rolls, a vertically movable carriage with a plurality of rolls thereon, the strip passing alternately around the fixed and carriage rolls, and a chain at each corner of the carriage for moving it vertically has novel means for leveling the carriage. The leveling means includes a female threaded member secured to each corner of the carriage, an elongated male threaded member threaded into each female member, and a rod movable with each male member having its ends connected to the ends of the associated chain.
Inventors
- 👤 Howard W Gordon
- 👤 James N Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:03
CPC Classifications
B; B21; B21C; B21C49/00; B65; B65H; B65H20/00; B65H20/24
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
80 words
In an accumulator having a movable carriage, a plurality of chains for moving the carriage, and means for securing the ends of each chain to the carriage in spaced apart relationship; the improvement in said securing means comprising a female threaded member secured to said carriage, an elongated male threaded member threaded into said female threaded member, and elongated means movable with said male threaded member and having each of its ends secured to the ends of the associated chain.
Claim 2
Dependent Claim
80 words
In an accumulator having a movable carriage, a plurality of chains for moving the carriage, and means for securing the ends of each chain to the carriage in spaced apart relationship; the improvement in said securing means comprising a female threaded member secured to said carriage, an elongated male threaded member threaded into said female threaded member, and elongated means movable with said male threaded member and having each of its ends secured to the ends of the associated chain.
Claim 3
Dependent Claim
33 words
The combination of claim 1 in which said male threaded member has an axial opening therethrough, and said means movable with said male threaded member is a rod extending through said axial opening.
Claim 4
Dependent Claim
57 words
The combination of claim 2 including a bulkhead secured to the inside of said male threaded member intermediate its ends, a pair of thrust bearings in said axial opening one at each end thereof, and a plurality of washers in said axial opening between said bulkhead and said bearings, at least some of said washers being compressible.
Claim 5
Dependent Claim
16 words
The combination of claim 3 in which alternate washers are compressible and the other washers solid.
Claim 6
Dependent Claim
37 words
The combination of claim 4 including threaded ends on said rod extending beyond the ends of said male threaded member, and a turnbuckle secured to each threaded end and to the adjacent end of the associated chain.
Claim 7
Dependent Claim
16 words
The combination of claim 5 including a chain at each of four corners of the carriage.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |