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US3606312A Expired / Lapsed US ⏱️ 0.0 years remaining

Document stacking device

Assignee: International Standard Electric Corp
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Filing: 1969-08-14
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Granted: 1971-09-20
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Expires: 1989-08-14
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Abstract

Abstract APPARATUS FOR STACKING AT HIGH SPEEDS DOCUMENTS RANGING IN WEIGHT FROM THE VERY LIGHT TO THE RELATIVELY HEAVY, COMPRISING DOCUMENT PROPELLING MEANS, GUIDING AND AIR BLOWING MEANS, AND A STACKING RECEPTACLE. THE INVENTION INCLUDES A CURVED GUIDE FROME WHICH PROVIDES THE DOCUMENT WITH A CERTAIN BENEFICIAL STIFFNESS. PRESSURIZED AIR IS BLOWN THROUGH THE GUIDE FRAME PERPENDICULAR TO THE PASSING DOCUMENTS TO AID IN THE TRANSFER THEREOF FROM THE PROPELLING MEANS TO THE STACKING RECEPTACLE, AND FURTHER, TO PROVIDE FOR THE PREVENTION OF TRANSVERSE RIPPLE OF THE DUCUMENTS. SECOND AIR BLOW MEANS, RESPONSIVE TO DOCUMENT LENGTH DETECTING MEANS, ARE INCLUDED TO PREVENT THE FOLDING OR BUCKLING OF EXTRA LONG DOCUMENTS.

Inventors

  • 👤 Willy Alfons Franciscus Mens
  • 👤 Raymond Gilbert Remi Debackere

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:31
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/24; B65H29/245; B65H29/246; B65H29/70; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4214; B65H2301/42146

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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