The back cover stowage which is installed in the posterior chest width adjustment possible filing equipment

摘要

Topic The back cover stowage which is installed in the posterior chest width adjustment possible file ring equipment is produced (as a part with another body making use of the strong material), improvement of the slidability of the frontage of the back cover stowage is assured, the back cover section the fixed possible back cover pushing thick section is installed strongly. SolutionsWith another body from file ring equipment, the back cover stowage which uses the strong material is produced. And it chamfers the frontage of the particular back cover stowage, or it installs the rotary car or the rotary stick which turns and attendant upon the contact movement of the back cover assures the harmonization of sleeve of the back cover, it establishes or connects the back cover fixed part for fixing strengthening of the back cover. Choice figure Drawing 10