US3735848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Idler roll mounting construction
Assignee: PITTSBURGH STEEL CORP
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Filing: 1972-03-22
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Granted: 1973-05-29
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Expires: 1992-03-22
Abstract
Abstract A construction for mounting idler rolls in a roll-rack of a continuous-casting machine. The rolls are arranged in sets of top and bottom clusters, which can be withdrawn from the supporting structure or inserted at one side of the roll rack, the concave side if the rack is curved. Each bottom cluster rests on respective seat fixed within the supporting structure. Each top cluster is held in the supporting structure with keys which are received in openings in straps. Both top and bottom clusters have legs engageable by an extractor for withdrawing or inserting them.
Inventors
- 👤 C H Allegheny County Bode
- 👤 W C Oil City Wrhen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:05
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/12; B22D11/128; B22D11/1285
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
158 words
In a roll-rack which includes a housing formed of opposed side plates and base members extending between said side plates at one edge thereof, the combination therewith of an improved construction mounting idler rolls in said housing, said construction comprising: a plurality of top roll-clusters and a plurality of bottom rollclusters arranged in sets in said housing; each of said top roll-clusters including a frame and rolls journaled in said frame; each of said bottom roll-clusters including a frame and rolls journaled in said latter frame; means in said housing slidably supporting the frames of each set of clusters; spring means urging the top and bottom clusters of each set apart; the frames of said bottom clusters bearing against said base members; and disengageable means at the side of said housing opposite said base members holding said clusters in said housing; said clusters being arranged to be withdrawn from the side of the housing opposite said base members.
Claim 2
Dependent Claim
158 words
In a roll-rack which includes a housing formed of opposed side plates and base members extending between said side plates at one edge thereof, the combination therewith of an improved construction mounting idler rolls in said housing, said construction comprising: a plurality of top roll-clusters and a plurality of bottom rollclusters arranged in sets in said housing; each of said top roll-clusters including a frame and rolls journaled in said frame; each of said bottom roll-clusters including a frame and rolls journaled in said latter frame; means in said housing slidably supporting the frames of each set of clusters; spring means urging the top and bottom clusters of each set apart; the frames of said bottom clusters bearing against said base members; and disengageable means at the side of said housing opposite said base members holding said clusters in said housing; said clusters being arranged to be withdrawn from the side of the housing opposite said base members.
Claim 3
Dependent Claim
34 words
A combination as defined in claim 1 in which said roll-rack is curved, said base members are located at the convex side of the rack, and said clusters are withdrawn at the concave side.
Claim 4
Dependent Claim
36 words
A combination as defined in claim 1 in which the means slidably supporting said frames includes straps fixed to the inside faces of said side plates, and in which said disengageable means cooperates with said straps.
Claim 5
Dependent Claim
37 words
A combination as defined in claim 1 in which said disengageable means includes transversely slidable keys mounted on the frame of said top cluster, and cooperating means fixed with respect to said side plates receiving said keys.
Claim 6
Dependent Claim
51 words
A comBination as defined in claim 1 in which the means slidably supporting said frames includes straps fixed to the inside faces of said side plates, and in which said disengageable means includes transversely slidable keys mounted on the frame of said top cluster, said straps having openings receiving said keys.
Claim 7
Dependent Claim
35 words
A combination as defined in claim 5 in which said keys have steps, any of which can be received in said openings to adjust the spacing between the rolls of said top and bottom clusters.
Claim 8
Dependent Claim
34 words
A combination as defined in claim 5 comprising in addition spring means mounted within said clusters urging the top and bottom clusters apart and providing pressure on the keys to hold them in position.
Claim 9
Dependent Claim
24 words
A combination as defined in claim 5 comprising in addition lugs on the top and bottom clusters engageable with means for withdrawing said clusters.
Claim 10
Dependent Claim
117 words
A combination as defined in claim 5 in which the frame of said top housing includes opposed chocks, said first-named rolls being journaled in said chocks, spaced transverse plates attached at their ends to said chocks, and blocks fixed to the edges of said transverse plates and extending therebetween at their opposite ends, said keys being mounted on said blocks, said combination comprising in addition compression springs housed between said transverse plates, and spring rods engaging the frame of said bottom cluster and having discs engaging said springs, whereby said springs bear against said blocks and said discs to urge the top and bottom clusters apart and provide pressure on the keys to hold them in position.
References Cited (Backward Citations)
US3331488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |