Locks – Operating mechanism – Key
Reexamination Certificate
2006-01-10
2006-01-10
Walsh, John B. (Department: 2151)
Locks
Operating mechanism
Key
C070S491000, C070S293000, C070S358000, C070S352000
Reexamination Certificate
active
06983630
ABSTRACT:
A core having a plurality of cutouts penetrating from the core surface to the keyway, and a plurality of activator inserts and filler inserts, such that the installer can locate one or more activator inserts in any of the cutouts, and one or more filler inserts in any of the remaining cutouts, to thereby define a program or code to be provided in the respective flank or flanks of an authorized key. At least three and preferably at least five slotted cutouts are provided. The inserts are preferably in the form of generally semi-circular plates on at least one side of the core. In various embodiments, the present invention is directed to a programmable cylinder lock system, a programmable core for a cylinder lock, a core kit by which the installer can program the core in the field, and a novel key adapted to be used with the programmable core.
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Divito Thomas J.
Eden, Jr. Charles W.
Humphrey Edward F.
Alix Yale & Ristas, LLP
Kaba Ilco Corp.
Walsh John B.
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