bore 48 spaced from and parallel to the slotted rotating disc 32 preferably the mounting nub 46 is sized to fit within the center post mounting bore 36 of the slotted rotating disc 32 to facilitate the fixing of the center post 40 to the slotted rotating disc in the assembled latch assembly 20 a set screw 52 is removably fixed in the set screw receiving bore 50 as best seen in fig1 three spacer bushings 54 are sized to slidingly fit and be retained respectively with one said bushing within each slot 34 fig9 shows a top friction disc 60 preferably made of 360 brass alloy having a center post receiving bore 62 at its center sized to closely and rotatably receive the center post 40 during assembly of the latch assembly 20 the top friction disc 60 has three angularly and radially spaced transverse top friction disc mounting bores 64 said top friction disc is sized to overlay the slotted rotating disc 32 and the top friction disc mounting bores in the assembled latch assembly 20 are coaxial respectively to the base friction disc mounting bores 24 each top friction disc mounting bore 64 may have a top friction disc upper counterbore 66 fig1 shows a closing lever 70 preferably the closing.