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US4497479A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle

Assignee: Individual
•
Filing: 1982-07-06
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Granted: 1985-02-05
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Expires: 2002-07-06
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Abstract

Abstract A device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle, comprising a signature feeder having signature gripping means and signature opening means, in which device for opening signatures a substantially vertical guide length is provided. Associated therewith, symmetrically on either sides, are the means for opening the signature.

Inventors

  • 👤 Giorgio Pessina
  • 👤 Aldo Perobelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 01:04
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/30; B65H5/308; B65H2301/00; B65H2301/40; B65H2301/43; B65H2301/435; B65H2301/4351

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 114 words
A device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle, the device including a signature feeder provided with signature holding or gripping means, as well as signature opening means of the suction cup or vacuum-operated type, characterized in that said signature feeder comprises a signature opening length or section arranged to extend in a substantially vertical direction, with said length or section of the signature feeder there being associated, on either sides thereof and in a symmetrical fashion, a plurality of signature opening means, and characterized in that said signature feeder comprises two parallel chains provided with link studs adapted for supporting, or gripping the signatures.
Claim 2
Independent Claim 114 words
A device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle, the device including a signature feeder provided with signature holding or gripping means, as well as signature opening means of the suction cup or vacuum-operated type, characterized in that said signature feeder comprises a signature opening length or section arranged to extend in a substantially vertical direction, with said length or section of the signature feeder there being associated, on either sides thereof and in a symmetrical fashion, a plurality of signature opening means, and characterized in that said signature feeder comprises two parallel chains provided with link studs adapted for supporting, or gripping the signatures.
Claim 3
Independent Claim 119 words
A device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle, the device including a signature feeder provided with signature holding or gripping means, as well as signature opening means of the suction cup or vacuum-operated type, characterized in that said signature feeder comprises a signature opening length or section arranged to extend in a substantially vertical direction, with said length or section of the signature feeder there being associated, on either sides thereof and in a symmetrical fashion, a plurality of signature opening means, and wherein said signature feeder comprises a single chain with link studs for supporting and gripping the signatures arranged to protrude out of said chain in cantilever-fashion.
Claim 4
Independent Claim 119 words
A device for symmetrically opening signatures made up of several sheets and arranging them onto a transport saddle, the device including a signature feeder provided with signature holding or gripping means, as well as signature opening means of the suction cup or vacuum-operated type, characterized in that said signature feeder comprises a signature opening length or section arranged to extend in a substantially vertical direction, with said length or section of the signature feeder there being associated, on either sides thereof and in a symmetrical fashion, a plurality of signature opening means, and wherein said signature feeder comprises a single chain with link studs for supporting and gripping the signatures arranged to protrude out of said chain in cantilever-fashion.

References Cited (Backward Citations)

US2025527A Cited
GB502314A Cited
US2791421A Cited
US2817513A Cited
CH403811A Cited
US3650524A Cited
US3661379A Cited
US3717337A Cited
DE2436084A1 Cited
US4162066A Cited
US4177979A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-02-05 1988-08-06 1989-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-02-05 1992-08-06 1993-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-02-05 1996-08-06 1997-02-05 $7700.00 Window Closed / Lapsed

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