Patent ID: 7070040

Claim:
A toggle adapted for use in toggle connections of conveyor pans of a chain scraper conveyor or for guide troughs of a mining machine guide, the toggle comprising two toggle heads which are connected in one piece with one another by a shaft extending therebetween, each toggle head defining an oppositely directed head end, the width of the shaft being tapered, wherein the toggle heads define shoulder areas on the side facing the shaft, the shoulder areas sloping toward the shaft, and the shoulder areas having a spherical configuration, and wherein the toggle heads are rounded at least on (i) the lower side of the toggle and (ii) on the upper side of the toggle from one side to the other, with the radius of curvature (R O ,R U ) on the lower side of the toggle or the upper side of the toggle being identical to the radius of curvature (R S ) on the shoulder areas.