Patent ID: 6767154
Filing Date: 2004-07-27
Classification: E04G,Y10T

Abstract:
A turnbuckle device for mutually clamping two concrete shell elements across a joint therebetween, the concrete shell elements each including a frame with longitudinal and transverse struts, said turnbuckle device comprising:means for retaining said turnbuckle device on one of the longitudinal and transverse struts during separation of the shell elements, the retaining means comprising archings; means for positioning said turnbuckle device across abutting edges of the concrete shell elements; a first lock part including a stationary first claw for engaging one of the frames, the first claw being configured for direct engagement with the respective frame, said archings protruding from inner surfaces of the stationary claw; a second lock part pivotally disposed with respect to said first lock part and including a second claw configured for direct engagement with another of the frames; arresting means for limiting a pivoting range of said second lock part in order that the second claw prevents release of the turnbuckle device from the concrete shell elements and optimally limits movability of the turnbuckle device.