Patent ID: 6454322
Filing Date: 2002-09-24
Classification: E05B,Y10T

Abstract:
A door lock set comprising:a housing (1) fixed on a door; an upper cam (2) rotatably mounted on an upper portion of the housing and operatively retracting an upper latch (3) into the door for opening the door; said upper cam (2) including a spindle (20) rotatably mounted in an upper portion of the housing (1), a C-shaped arcuate slot (21) arcuately formed in the upper cam (2) having a left arcuate slot portion (22) formed on a left portion of the C-shaped arcuate slot (21) for slidably engaging an upper pin (41) of a first linking rod (4) and having a right arcuate slot portion (23) formed on a right portion of the C-shaped arcuate slot (21) for slidably engaging an upper pin (51) of a second linking rod (5); a lower cam (6) rotatably mounted on a lower portion of the housing and operatively retracting a lower latch (7) into the door for opening the door; the first linking rod (4) and the second linking rod (5) juxtapositionally pivotally secured between said upper cam (2) and said lower cam (6), and respectively disposed on a left side and a right side of said two cams (2, 6), whereby when providing said latches (3, 7) at a right side of the door and upon a clockwise rotation of said cams (2, 6), said latches (3, 7) will be retracted; and when providing said latches (3, 7) at a left side of the door and upon a counterclockwise rotation of said cams, said latches will be retracted, thereby providing a door lock set regardless of a right side or left side position of said latches.