Patent ID: 6824440
Filing Date: 2004-11-30
Classification: A63H,Y10S

Abstract:
An erection set comprising a plurality of first and second structural elements each extending along a respective longitudinal axis between leading and trailing ends, the trailing end of the first element being configured to receive the leading end of the second element in an engaging position, wherein the leading end of the second element is deformed radially inwards towards the longitudinal axis to have a concave end region provided with a nadir, and the trailing end of the first element is deformed radially outwards from the longitudinal axis to have a convex end region provided with an apex, which is spaced axially from the nadir of the second element, the convex and concave end regions of the first and second elements having first and second portions, respectively, juxtaposed with and extending complementary to one another between the apex and nadir to prevent relative displacement of the first and second elements in the engaging position thereof.