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US 10,844,631 B2Granted
Pin tumbler lock
OwnerMatthew Trupianoinventor
Life of this patent
Estimating the term…
Abstract
A pin tumbler cylinder lock that is virtually pick proof comprises a cylinder housing having a single bore and a cylinder key plug arranged in the single bore. The pin tumbler cylinder lock also comprises a cavity having a predetermined shape in a predetermined portion of the housing. The pin tumbler cylinder lock also includes a lockout sleeve arranged over the cylinder key plug wherein the lockout sleeve may rotate within the cavity to create a lockout mode for the pin tumbler cylinder lock when a lock picking attempt is occurring thereon.
Claims19
A pin tumbler cylinder lock, said lock comprising:
- a cylinder housing having a single bore;
- a cylinder key plug arranged in said single bore;
- a cavity having a generally predetermined shape arranged in a portion of said housing;
- a plurality of pin chambers arranged in a top surface of said cylinder housing;
- a lockout sleeve arranged over said cylinder key plug and rotatably within said cavity, said lockout sleeve and said cylinder key plug rotates together in said cavity in a clockwise or counterclockwise direction only when a first and last pin tumbler of said plurality of pin tumblers have been picked, said lockout sleeve having a plurality of pin chambers with a smaller diameter than a diameter of said plurality of pin chambers of said cylinder housing;
- and
- a ball bearing arranged in a predetermined number of middle said plurality of pin chambers of said cylinder housing, said ball bearing having a diameter that is larger than said smaller diameter of said lockout sleeve pin chambers, said ball bearing cannot enter said lockout sleeve pin chambers.
4 more elements
A cylinder lock, said lock comprising:
- a cylinder housing having a single bore;
- a cylinder key plug arranged in said single bore;
- a cavity arranged in a predetermined portion of said cylinder housing;
- a plurality of pin chambers arranged in a top surface of said cylinder housing;
- a lock out sleeve arranged over said cylinder key plug and rotatably within said cavity, said lockout sleeve having a plurality of pin chambers with a smaller diameter than a diameter of said plurality of pin chamber of said cylinder housing, said lock out sleeve and said cylinder key plug rotate together in said cavity in a clockwise or counterclockwise direction only when a first and last pin tumbler of said plurality of pin tumblers have been picked, said rotation creates a reversible lock out mode for the cylinder lock;
- and
- a ball bearing arranged in a predetermined number of middle said pin chambers of said cylinder housing, said ball bearing having a diameter that is larger than said smaller diameter of said lock out sleeve pin chambers, said ball bearing cannot enter said lock out sleeve pin chambers.
4 more elements
Dependencies are inferred from the claim text.