Dunnage conversion machine and output chute guard

Details Dunnage conversion machine and output chute guard Dunnage conversion machine and output chute guard

2006-02-22

2009-08-11

Desai, Hemant M (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Bending

Crushing or crumpling

C493S404000, C493S967000

Reexamination Certificate

active

07572216

ABSTRACT:
A dunnage conversion machine (10) has an output chute (60) with a guard (70) that inhibits access to internal areas of the machine (10) through the output chute (60). Upstream of the output chute (60) the conversion machine (10) has a conversion assembly (16) that converts a stock material (14) into a strip of dunnage (20) as the stock material passes therethrough in a downstream direction. The output chute (60), through which the strip of dunnage (20) is discharged downstream of the conversion assembly (16), includes the pivotably-mounted guard (70) extending into the chute (60). The guard (70) has at its free end (72) both a forward glide surface (74) operative to glide along an outer surface of the strip of dunnage (20) as the strip moves in the downstream direction and a rearward glide surface (76) operative to glide along an outer surface of the strip of dunnage (20) as the strip moves in an upstream direction opposite the downstream direction.

REFERENCES:
patent: 5906569 (1999-05-01), Ratzel et al.
patent: 5989176 (1999-11-01), Ratzel et al.
patent: 6416451 (2002-07-01), Ratzel et al.
patent: 2002/0082152 (2002-06-01), Manley
patent: 95/28276 (1995-10-01), None
patent: 98/00288 (1998-01-01), None
International Search Report of International Application No. PCT/US2006/006549, filed Feb. 22, 2006; published as International Publication No. WO 2006/091789 A2.

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