Patent ID: 7481084
Filing Date: 2009-01-27
Classification: E05B,Y10T

Abstract:
1. A foldable lock structure comprising: an outer shell, said outer shell having a pivot seat, a first lock slot, and a bottom hole; an inner shell inserted in said outer shell, said inner shell comprising a trough, a lock hole corresponding in position to said bottom hole of said outer shell, a top hole interconnecting with said lock hole, a second lock slot next to said trough and corresponding in position to said first lock slot, and a latch disposed on said trough, said latch comprising a guiding groove and a protruding section; a lock core secured in said lock hole of said inner shell, said lock core comprising a key hole and a linking block, said linking block being provided with a linking plate having a pin, said pin of said linking plate being inserted through said top hole of said inner shell and engaging with said guiding groove of said latch; a lock case having an open end to sleeve on said outer shell, said lock case comprising a third lock slot corresponding in position to said first lock slot of said outer shell and a U-shaped trough at the bottom thereof, a graduation seat being provided at an inner edge of said U-shaped trough, said graduation seat having a lower surface and an upper surface, said open end of said lock case having a flange, said lock case further comprising an anti-dust cover to slide along said U-shaped trough to cover or to open said lock hole; a lock cover fitted on said flange of said lock case, said lock cover comprising a pivot cover on the top and a protruding plate extending from the bottom thereof, said protruding plate engaging with said lower surface of said U-shaped trough; and a foldable lock rod set pivotally connected to said outer shell and said lock cover, said foldable lock rod set comprising a connecting rod, a number of linking rods and an engaging rod, each of said connecting rod and said linking rods having holes at respective ends, said engaging rod having a hole at one end and an engaging hole at the other end, said connecting rod, said linking rods and said engaging rod being connected with fasteners.