Patent ID: 6134928
Filing Date: 2000-10-24
Classification: E05B,Y10T

Abstract:
An apparatus for decoding a lock, comprising:a) a guide member selectively positionable in the keyhole of a lock;b) an alignment member for insertion into a keyhole of a lock to move lock tumblers against their normally inwardly spring biased positions;c) a reader having an arm which is pivotally connected thereto, wherein said reader is adapted for insertion into a keyhole of a lock;d) recording means positionable on the guide member and being provided to record the position of said pivotally connected arm of said reader relative to a lock tumbler;e) wherein said reader is movable relative to said guide member from a first position through a range of positions; andf) wherein said recording means records the position of said reader arm relative to said guide member and relative to said lock tumbler; andg) a recording member comprising a stylus being carried by the arm of the reader and movable therewith to produce an image corresponding to the profile of a key on said recording means.