Click system for connecting plates and similar for signposts has screw fixed in replaceable sign element by nut, to upper sign element with screw head, inserted into aperture under spring plate until it latches, fixes sign elements together
摘要
<p>The system has a connecting screw for fixing in an keyhole aperture by latching into a spring plate. The screw, which is fixed in the lower threaded region in the replaceable sign element by a nut and to the upper sign element with the screw head, is inserted into the aperture under the spring plate until it latches and fixes the sign element together.</p>
