Patent US4226380A successfully refreshed from Google Patents.
US4226380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric unrolling device
Assignee: BP Corp North America Inc
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Filing: 1979-01-29
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Granted: 1980-10-07
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Expires: 1999-01-29
Abstract
Abstract A device for unrolling a roll of fabric or the like supported on a roll core comprising a pair of endcaps secured under tension to opposite ends of the roll core and handle means attached to the end caps in such a manner as to allow the roll core to rotate.
Inventors
- 👤 John W. Gay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:03
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
201 words
A device for unrolling a roll of fabric or the like supported on a roll core, said device comprising a pair of end caps adapted to fit over the opposite ends of the roll core, a spring means adapted for being passed through said roll core and attached to the end caps to put tension on the end caps so that the roll core is clamped between said two end caps, spring attachment means for securing said spring means to said end caps, handle attachment means adapted to be secured to the end caps and adapted to allow the end caps to rotate relative to said handle attachment means, and handle means secured to said handle attachment means wherein said spring means is a spring having each end connected to a chain, said end caps each have a hole through which the chain can be passed, said spring attachment means comprises a stop means which will limit the extent that the chain can be pulled outward through the hole in the end caps and swivel means which will prevent the chain from being pulled back into the roll core, and said handle attachment means comprises a loop on said swivel means.
Claim 2
Independent Claim
201 words
A device for unrolling a roll of fabric or the like supported on a roll core, said device comprising a pair of end caps adapted to fit over the opposite ends of the roll core, a spring means adapted for being passed through said roll core and attached to the end caps to put tension on the end caps so that the roll core is clamped between said two end caps, spring attachment means for securing said spring means to said end caps, handle attachment means adapted to be secured to the end caps and adapted to allow the end caps to rotate relative to said handle attachment means, and handle means secured to said handle attachment means wherein said spring means is a spring having each end connected to a chain, said end caps each have a hole through which the chain can be passed, said spring attachment means comprises a stop means which will limit the extent that the chain can be pulled outward through the hole in the end caps and swivel means which will prevent the chain from being pulled back into the roll core, and said handle attachment means comprises a loop on said swivel means.
Claim 3
Dependent Claim
30 words
A device according to claim 1 wherein the spring is attached to each said chain by snap means which permit each said chain and the spring to be easily disconnected.
Claim 4
Dependent Claim
20 words
A device according to claim 2 wherein one of the two chains is longer than the other of said chains.
Claim 5
Dependent Claim
34 words
A device according to claim 3 wherein the longer of said chains has along its length at least one snap means which will permit a portion of said longer chain to be easily removed.
Claim 6
Dependent Claim
15 words
A device according to claim 4 wherein each said swivel means is a swivel snap.
Claim 7
Dependent Claim
31 words
A device according to claim 5 wherein the handle means is a length of rope having each end attached to the loop of a separate one of said two swivel snaps.
References Cited (Backward Citations)
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US1341484A
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US2425827A
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US1499574A
Cited
US2843414A
Cited
US3840198A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-07 | 1984-04-07 | 1984-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-07 | 1988-04-07 | 1988-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-07 | 1992-04-07 | 1992-10-07 | $7700.00 | Window Closed / Lapsed |