Patent ID: 11885091
Assignee: REYNOLDS PRESTO PRODUCTS INC.
Field: Civil engineering (Other fields)
Classification: CPC E  F | IPC E  F

Claim 0:
1. A connection device for fastening two expanded cellular confinement structures; the connection device comprising:
(a) an insertion member having first and second opposite insertion ends and an insertion member extension therebetween;
(b) an integral shank extending generally perpendicular from the insertion member extension and being spaced from each of the first and second insertion ends;
(c) an integral handle member extending from the shank at an end of the shank remote from the insertion member;
(d) a longitudinal axis extending through each of the insertion member, handle member, and shank; and
(e) a washer section between the handle member and the insertion member;
(i) the washer section having a first surface and an opposite second surface;
(ii) a side surface extending between the first and second surfaces; the side surface being along an outer periphery; and
(iii) at least a portion of the outer periphery radially extending from the longitudinal axis equal to or further than a radial outermost portion of the handle member; and
(iv) the handle member having a wall extending from the first surface of the washer section without a gap between the wall and the first surface of the washer section;
wherein the wall has an S shape having two curved surfaces; each of the curved surfaces having a radius of curvature in a range of 1.05-1.2 inches.