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US4633642A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure roller device for laterally retaining boxes in packaging machines with automatic box feed

Assignee: SIAT SpA
•
Filing: 1985-10-03
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Granted: 1987-01-06
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Expires: 2005-10-03
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Abstract

Abstract A support device for a pressure roller, forming a lateral retainer and associated with the upper working head of a packaging machine, comprises a plate, essentially in the form of a circular sector, from which a support arm for the roller projects, the plate being mounted rotatable on a vertical pivot fixed to the machine working head assembly and cooperating with a position lock, the roller being carried at the end of said support arm by a vertical rotation pin.

Inventors

  • 👤 Adelio Lissoni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:17
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/06; B65B51/067; B65B59/00; B65B59/003

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 136 words
In a packaging machine for cardboard boxes, comprising means supporting the boxes and two lateral uprights (2) along which vertically slide the ends of a horizontal cross-member (4) supporting a taping head (3), a lateral retention and guiding device for the boxes comprising a plate (8) from which a support arm (7) projects, said plate being mounted oscillating on a vertical pivot (11) fixed to the cross-member (4) supporting the head (3), a pressure roller (5) mounted freely rotating on a vertical pin (6) carried at the free end of said support arm (7), said plate having an arcuate slot (9) with its center on the axis of rotation of said plate, and a bolt (12) and nut (10) one of which is fixed to said cross-member supporting the head, the bolt extending through said slot.
Claim 2
Dependent Claim 136 words
In a packaging machine for cardboard boxes, comprising means supporting the boxes and two lateral uprights (2) along which vertically slide the ends of a horizontal cross-member (4) supporting a taping head (3), a lateral retention and guiding device for the boxes comprising a plate (8) from which a support arm (7) projects, said plate being mounted oscillating on a vertical pivot (11) fixed to the cross-member (4) supporting the head (3), a pressure roller (5) mounted freely rotating on a vertical pin (6) carried at the free end of said support arm (7), said plate having an arcuate slot (9) with its center on the axis of rotation of said plate, and a bolt (12) and nut (10) one of which is fixed to said cross-member supporting the head, the bolt extending through said slot.
Claim 3
Dependent Claim 15 words
Apparatus as claimed in claim 1, in which said bolt is fixed to said cross-member.
Claim 4
Dependent Claim 16 words
Apparatus as claimed in claim 1, said plate being in the form of a circular sector.

References Cited (Backward Citations)

US2135806A Cited
US2691260A Cited
US3302365A Cited
US4086744A Cited
US3975887A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-01-05 1990-07-07 1991-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-01-05 1994-07-07 1995-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-01-05 1998-07-07 1999-01-06 $7700.00 Window Closed / Lapsed

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