Pull cart

Details Pull cart Pull cart

2005-09-07

2009-06-16

Ellis, Christopher P (Department: 3618)

Land vehicles

Wheeled

Extensible

C280S639000, C280S656000

Reexamination Certificate

active

07547037

ABSTRACT:
A pull cart comprising a frame (H,12, 13, 14), a flexible carrier structure (20) connected to the frame, and a suspension (30, 31) connected to the frame. The frame comprises a first (11) and a second (12) substantially U-shaped frame part. The suspension comprises a first suspension part (30) connected to the first frame part and a second suspension part (31) connected to second frame part. The first frame part can hinge relative to at least the second frame part about an axis (3) extending substantially parallel to the bottom of its U-shape. In a folded-out operative condition, on the one side, the suspension is connected to the frame such that forces introduced through the first and second suspension parts force the first and second frame parts apart, and, on the other side, the flexible carrier structure connects the first and second U-shaped frame parts such that the first and second frame parts are prevented from pivoting beyond said folded-out position.

REFERENCES:
patent: 2847227 (1958-08-01), Lankford
patent: 3079167 (1963-02-01), Russell
patent: 4664397 (1987-05-01), Reinboth
patent: 4964650 (1990-10-01), Dickinson
patent: 5785334 (1998-07-01), Robinson
patent: 5915723 (1999-06-01), Austin
patent: 6491318 (2002-12-01), Galt et al.
patent: 6845991 (2005-01-01), Ritucci et al.
patent: 2003/0025301 (2003-02-01), Banuelos, III

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