초록 ▼

A collapsible pack cart comprises first and second frame members pivotally joined together and movable with respect to one another between an operating position, where they are oriented perpendicular to one another, and a folded position, where they are oriented laterally side by side and separated

A collapsible pack cart comprises first and second frame members pivotally joined together and movable with respect to one another between an operating position, where they are oriented perpendicular to one another, and a folded position, where they are oriented laterally side by side and separated by a spaced distance. A wheel is carried rotatably by a carriage which is mounted to the frame members releasably in either an operative position where the wheel extends substantially perpendicular to the planes of both frame members when they are in their operating position, or a storable position where it is located entirely between the frame members when they are in their folded position. Support arms are attached releasably to that frame member which carries the wheel, and handles are attached to the other frame member for manipulation of the cart. Mounting means are provided for mounting the handles and support arms releasably to one of the frame members for transportation when the cart is folded, and locking means are provided for locking the frame members in their operating position.

대표청구항 ▼

A collapsible pack cart comprising: (a) a first frame member, having inner and outer sides; (b) a second frame member, having inner and outer sides, pivotally joined to said first frame member along adjacent transverse edges thereof, and movable with respect to said first frame member between an ope

A collapsible pack cart comprising: (a) a first frame member, having inner and outer sides; (b) a second frame member, having inner and outer sides, pivotally joined to said first frame member along adjacent transverse edges thereof, and movable with respect to said first frame member between an operating position wherein said frame members are oriented substantially perpendicular to each other, and a folded position wherein said frame members are positioned adjacent to one another with their respective inner sides facing one another, and separated by a space distance; (c) spaced apart, paired wheel supports extending longitudinally medially across said second frame member defining a medial wheel receiving opening therebetween; (d) a wheel, and a carriage rotatably mounting said wheel, said carriage arranged to freely fit within said mediAl wheel receiving opening in an operated position such that the wheel partially extends therefrom substantially perpendicular to the plane of both said frame members when they are in their operating position; (e) said carriage having paired sides, which are substantially coextensive with said wheel supports and spaced apart so as to lie inwardly adjacent the respective wheel supports when said carriage is in its operative position, and paired ends interconnecting the extremities of said sides; (f) locating tabs mounted on said second frame member at spaced intervals about the periphery of said wheel receiving opening, said tabs being positioned in a manner to engage each of said sides and said ends of said carriage when it is in its operative position so as to prevent it from being displaced further toward the inner side of said second frame member; (g) locking means associated with said second frame member and said carriage for securing said carriage in its operative position; and (h) retention means associated with said first frame member and said carriage for releasable attachment of said carriage to said first frame member in a storable position so that it is located entirely between said frame members when they are in their folded position.