Patent ID: 8584437
Filing Date: 2013-11-19
Classification: A01D,A01F,Y02P

Abstract:
1. An elongate tunnel of a mobile bagging machine, the tunnel comprising: a central arch portion having a first end and a second end; a first intermediate portion and a second intermediate portion, the first intermediate portion being connected to the first end of the central arch by a first hinge and the second intermediate portion being connected to the central arch portion with a second hinge; a first end portion and a second end portion, the first end portion being connected to the first intermediate portion with a third hinge and the second end portion being connected to the second intermediate portion with a fourth hinge; an expandable base connected between the first end portion and the second end portion, and comprising first and second telescoping members, wherein the first telescoping member slides at least partially within the second telescoping member to change the combined length of the first and second telescoping members; a first movement stop operably connected with the first intermediate portion and the first end portion; a second movement stop operably connected with the second intermediate portion and the second end portion; and an inner cavity defined by an inner surface of the tunnel wherein the inner cavity has an expanded configuration and a collapsed configuration, wherein the collapsed configuration causes material contained within the inner cavity to press the first intermediate portion against the first end and the second intermediate portion against the second end.