Patent ID: 8091393
Filing Date: 2012-01-10
Classification: E05B,Y10T

Abstract:
1. A lock cylinder plug assembly comprising: a plug body which defines a plug body keyway portion along a longitudinal axis and a plug insert opening; and a plug insert mountable at least partially within said plug insert opening to complete an outer cylindrical surface of a generally cylindrical plug assembly, said plug insert at least partially defining a multitude of tumbler pin chambers, each of said multitude of tumbler pin chambers extend at least partially through an outer surface of an outer plug insert portion which corresponds with an outer circumference of said plug body and into a plug insert keyway portion in communication with said plug body keyway portion, said plug insert includes a plug pin chamber portion transverse to said outer plug insert portion, said outer plug insert portion defining an arcuate outer surface that corresponds with said outer cylindrical circumference of said plug body such that assembly of said plug body and said plug insert form an essentially continuous cylindrical outer surface, wherein said plug pin chamber portion defines a step relative to said outer plug insert portion.