Back to results
US 11,761,238 B2Granted
Locking device and method
OwnerRobert Carlseninventor
Life of this patent
Estimating the term…
Abstract
An improved locking device comprising a lock body, a locking plug, and a plurality of tumblers, wherein the tumblers are restricted from moving with respect to the locking plug during the time frame that the locking plug is rotated with respect to the lock body.
Claims20
A locking device comprising:
- a lock body housing a locking plug having a first portion fixed with respect to the lock body and a second portion moveable with respect to the first portion of the locking plug and the lock body, wherein the first portion of the locking plug comprises a plurality of channels for accommodating vertical movement of a plurality of lock tumblers when the second portion of the locking plug is in a first position with respect to the lock body, and wherein the first portion of the locking plug comprises a plurality of engagement surfaces that engage with the plurality of lock tumblers to prevent vertical movement of the lock tumblers when the second portion of the locking plug is in a second position;
- and
- a rotational locking tab that prevents rotation of one of the first and second locking plug portions with respect to the lock body when the second portion of the locking plug is in the first position.
A method of opening a locking device comprising:
- inserting an authorized key into the locking device and rotating the key from a first position to a second position, wherein the locking device comprises a lock body housing a locking plug having a first portion fixed with respect to the lock body and a second portion moveable with respect to the first portion of the locking plug and the lock body, and wherein the locking device hinders simultaneous rotation of the locking plug and vertical movement of a plurality of lock tumblers within the locking device.
A locking device comprises:
- a lock body housing a locking plug having a first portion fixed with respect to the lock body and a second portion moveable with respect to the first portion of the locking plug and the lock body;
- a means for hindering rotation of the locking plug when the second portion of the locking plug is in a first position;
- and
- a means for hindering vertical movement of a plurality of locking tumblers when the second portion of the locking plug is in a second position.
1 more element
Dependencies are inferred from the claim text.