Patent ID: 6748777
Filing Date: 2004-06-15
Classification: E05B,Y10T

Abstract:
A key operated lock comprising:a barrel defining an interior and an exterior, said barrel having a front end and a rear end opposite thereof, said barrel defining an alignment block in said interior proximate to said rear end; and a core demountably insertable in said interior of said barrel, said core comprising an inner inserted rotatable into an outer, a retainer is disposed over said inner proximate to a rear of said inner and inserted rotatable into said outer at a rear of said outer, a sleeve is disposed over said outer and configured to retain a plurality of drive pin and spring sets disposed through said outer, said plurality of drive pin and spring sets being in operable communication with a corresponding tumbler pin disposed through said inner, wherein said retainer demountably couples with said alignment block in both a clockwise and counter-clockwise direction.