Frame arranged in a machine for temporarily supporting a plate-l

Details Frame arranged in a machine for temporarily supporting a plate-l Frame arranged in a machine for temporarily supporting a plate-l

1994-08-26

1995-07-25

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

4147942, 4147939, 414900, 271218, 271192, B65H 2934

Patent

active

054355419

ABSTRACT:
A frame is designed for temporarily supporting a horizontal plate-like workpiece until it undergoes a vertical translation between guiding and squaring stops, which frame is located in a machine. The frame comprises lateral retractable supporting surfaces which are either edges of a horizontal flat bar or sides of a horizontal flat bar. When the supporting surfaces are the edges of the horizontal flat bar, the bar is mounted so that it can be moved from a straight line position retracted from the supporting of the sheet to a curved position for supporting the edge of the sheet. The bars can also be positioned utilizing the side and are moved either by pivoting or by a four-bar linking arrangement between the retracted and engaged positions. Finally, the bars can be mounted for rotation along one edge between the engaging and retracted positions.

REFERENCES:
patent: 3061303 (1962-10-01), Glaser et al.
patent: 3117778 (1964-01-01), Stoever
patent: 3205794 (1965-09-01), Califano et al.
patent: 3483065 (1969-12-01), O'Brien
patent: 4281952 (1981-08-01), Clear
patent: 4469321 (1984-09-01), Geschwindner
patent: 4844633 (1989-07-01), Greenberg
patent: 4938657 (1990-07-01), Benson et al.
patent: 5090681 (1992-02-01), Henn et al.

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