E - Fixed Constructions – 01 – D
Patent
E - Fixed Constructions
01
D
14/4
E01D 1/00 (2006.01) B60P 1/43 (2006.01) B65G 67/02 (2006.01) B65G 69/28 (2006.01)
Patent
CA 1307626
ABSTRACT OF THE DISCLOSURE A collapsible ramp comprising an attachment frame, a foldable support structure mounted to the attachment frame by pivotable hinges, and a telescoping deck structure of interconnected, essentially rectangular plates. The foldable support structure has longitudinal support members with foldable joints intermediate along the lengths of the members, and these members are pivotally connected to the hinge means. The ramp can be formed into an extended state in which the longitudinal support members are extended outwardly from the attachment frame and the rectangular plates of the telescoping deck structure are extended and supported on the support members. Alternatively, the ramp can be formed into a collapsed state in which the support members are folded back on -themselves using the foldable joints and folded inwardly pivoting about the hinges so that the support members are housed within the attachment frame, the telescoping deck structure being retracted to cover the folded rails on the attachment frame.
580761
Adaway David
O'connell John
Adaway David
Fetherstonhaugh & Co.
O'connell John
LandOfFree
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