Device for automatically positioning a sheet on a platen of an o

Details Device for automatically positioning a sheet on a platen of an o Device for automatically positioning a sheet on a platen of an o

1981-10-20

1984-12-25

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

By means to convey sheet

271 4, 271275, 271 82, 400625, 400629, B65H 2906, B65H 512, B65H 514

Patent

active

044899319

ABSTRACT:
Device for automatically positioning a sheet on an office machine platen, including a lower guide element to guide the sheet toward the writing line of the platen and an upper guide element to guide the sheet towards the top. During the introduction of the sheet, an electromagnet is energized to let the lower guide element turn with the platen, accompanying the sheet beyond the writing line. The electromagnet also causes the contemporary separation of the upper guide element from the platen. When the sheet reaches a predetermined position with respect to the writing line, the electromagnet is de-energized and a spring again brings the two elements to the rest position. An automatic introduction mechanism sequentially transfers the sheets from a hopper to the platen and from the platen to a sheet stacker.

REFERENCES:
patent: 3430748 (1969-03-01), Parri
patent: 3918707 (1975-11-01), Villemer et al.
patent: 4072306 (1978-02-01), Idstein
patent: 4138102 (1979-02-01), Palmer

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