Inversion prevention tool and trestle for trestle

摘要

Topic Although the installation removal is possible simply without administering processing to the trestle, vis-a-vis the trestle of various sizes and the like, furthermore, prevents the inversion of the trestle the inversion prevention tool for the trestle which is superior.SolutionsAt least, in order to surround around the stringer of the trestle, installation and removal being installed unrestrictedly, in the abbreviation 4 angular tubed installation component and the said installation component which possess the slit which is installed, does the specific form of longitude time motion of the auxiliary trail component and the said auxiliary trail component of the cylinder shape which time motion unrestrictedly is installed the inversion prevention tool for the trestle which has with the pressure welding part in order to install in the stringer of the stopper component and the trestle which by the fact that it makes the movement stop which is done it tries to be able to lock the said auxiliary trail component in optimum position. Choice figure Drawing 1