Code change blocker
AssigneeUTC Fire & Security Americas Corporation, Inc.
InventorMatthew S. Hill
Life of this patent
Estimating the term…
Abstract
A lock assembly including a plurality of button assemblies having a plurality of indicator elements. A position of the indicator elements sets a lock combination. A code blocker is configured to cover and prevent access to the plurality of button assemblies when the lock assembly is in a first position, for example in an unlocked position, and to allow access to the plurality of button assemblies when the lock assembly is in a second position, for example in a locked position.
Claims12
A lock assembly comprising:
- a plurality of button assemblies comprising a plurality of indicator elements, wherein a position of the plurality of indicator elements sets a lock combination;
- and
- a code blocker having a plurality of openings therein, wherein the code blocker covers the plurality of indicator elements when the lock assembly is in a first position and exposes the plurality of indicator elements through the plurality of openings when the lock assembly is in a second position.
A lock assembly having a user-selectable lock combination, wherein the lock combination is selectable using a method comprising:
- entering a correct lock combination;
- moving a locking bolt from a locked position to an unlocked position and moving a code blocker from a first position which exposes a plurality of button assemblies through a plurality of openings in the code blocker to a second position which covers the plurality of button assemblies;
- moving the locking bolt from the unlocked position to the locked position and moving the code blocker from the second position which covers the plurality of button assemblies to the first position which exposes the plurality of button assemblies;
- and
- with the locking bolt in the locked position, selecting a lock combination using the plurality of exposed button assemblies.
Dependencies are inferred from the claim text.