US3727256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed device for loading binding bars
Assignee: GILL A Ltd
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Filing: 1971-07-09
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Granted: 1973-04-17
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Expires: 1991-07-09
Abstract
Abstract A feed device for loading binding bars, comprises a channel member through which the edge of a stack of sheets may be advanced, the member including an insert portion adapted to open the nip of a binding bar on insertion thereinto and a mouth portion for receiving said stack of sheets whereby said stack may be slid into the binding bar.
Inventors
- 👤 A Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:53
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/02; B42F1/04; B42F1/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
147 words
A feed device for loading binding bars, comprising a channel member through which the edge of a stack of sheets may be advanced, said member comprising a generally wedge shaped base portion and a pair of opposed, inwardly directed side walls upstanding on the two converging edges of said base portion, an end portion of each of said side walls at the end of said base portion of greatest width being outwardly flared, the end of said base portion of least width together with the inwardly directed side walls thereat constituting an insert portion adapted to open the nip of a binding bar on insertion thereinto and the end of said base portion of greatest width together with said outwardly flared end portions of the side walls constituting a mouth portion for receiving said stack of sheets whereby said stack may be slid into the binding bar.
Claim 2
Dependent Claim
147 words
A feed device for loading binding bars, comprising a channel member through which the edge of a stack of sheets may be advanced, said member comprising a generally wedge shaped base portion and a pair of opposed, inwardly directed side walls upstanding on the two converging edges of said base portion, an end portion of each of said side walls at the end of said base portion of greatest width being outwardly flared, the end of said base portion of least width together with the inwardly directed side walls thereat constituting an insert portion adapted to open the nip of a binding bar on insertion thereinto and the end of said base portion of greatest width together with said outwardly flared end portions of the side walls constituting a mouth portion for receiving said stack of sheets whereby said stack may be slid into the binding bar.
Claim 3
Dependent Claim
24 words
A feed device according to claim 1 including stop means to prevent insertion of the device into the binding bar beyond the insert portion.
Claim 4
Dependent Claim
14 words
In combination, a feed device according to claim 2 inserted into a binding bar.
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |