A lock mechanism for an inactive door includes a housing configured to receive a locking element from an active door lock. A slide is movably received in the housing and includes a drive bar connection element, wherein when the slide is in an unlocked position, the drive bar connection element is located in a path of travel of the deadbolt, and wherein when the slide is in a locked position, the drive bar connection element is located outside the path of travel of the deadbolt. At least one drive bar at least partially received in the housing and is connected to the drive bar connection element. The drive bar is actuated by an actuator located remote from the housing. A blocking element located within the housing, wherein the blocking element prevents movement of the slide from the locked position to the unlocked position.

A lock mechanism for an inactive door includes a housing configured to receive a locking element from an active door lock. A slide is movably received in the housing and includes a drive bar connection element, wherein when the slide is in an unlocked position, the drive bar connection element is located in a path of travel of the deadbolt, and wherein when the slide is in a locked position, the drive bar connection element is located outside the path of travel of the deadbolt. At least one drive bar at least partially received in the housing and is connected to the drive bar connection element. The drive bar is actuated by an actuator located remote from the housing. A blocking element located within the housing, wherein the blocking element prevents movement of the slide from the locked position to the unlocked position.

A locking device for securing a first structure to a second structure. The locking device comprises a housing securable to the first structure, a lock base securable to the second structure, and a locking tab slidably received within said housing. The locking tab has an extended position where a second end is slidably received within the lock base. The lock base has a flexibly resilient locking arm. When in its locked configuration the locking arm releasably engaged with the second end of the locking tab to prevent retraction of the tab from the lock base. The lock base has a resilient member biasing the locking arm to its locked configuration. The lock base has a flexibly resilient removable key member. When engaged with the lock base, a compressive force applied to the key member causes movement of the locking arm from its locked to its unlocked configuration.

A latch mechanism includes a hook-handle assembly coupled to a first panel and a clevis coupled to a second panel. The hook-handle assembly engages the clevis to secure the first panel relative to the second panel.

A latch mechanism includes a hook-handle assembly coupled to a first panel and a clevis coupled to a second panel. The hook-handle assembly engages the clevis to secure the first panel relative to the second panel.

A lockout system includes a hasp assembly and a plurality of tags. The hasp assembly has a back plate defining slots each sized and shaped to receive a tag. The back plate and tags each have openings that align when a tag is received in a slot. A first hasp portion has a first loop portion and a second hasp portion has a second loop portion. The first and second hasp portions are rotatable with respect to one another such that moving the lockout system has both an unlocked position and a locked position associated with an open position and a closed position. In the closed position, the first and second hasp portions complete and define a closed loop, where one or more tags can be installed in slots preventing further movement from the closed position.

Tamper proof wall mounted strike assembly for barn door is a strike or strike assembly that attaches to a wall or a door molding and functions with a lockset installed on a barn door. Tamper proof wall mounted strike assembly functions to receive the latch or deadbolt from the door lockset on the barn door wherein the latch or deadbolt can be latched or locked within the strike assembly to latch and/or lock the barn door and the latch or the deadbolt can be unlatched or unlocked within the strike assembly to unlatch and/or unlock the barn door. Tamper proof wall mounted strike assembly includes a strike housing assembly that mates with a wall plate assembly by interlocking teeth on each assembly to yield a tamper proof connection there between that is without any exposed screws or fasteners when the barn door is in the closed position to yield a tamper proof wall mounted strike assembly.

A door assembly is provided having a latch assembly. The latch assembly includes a head portion, a first latch housing, a second latch housing, a latch hub, and a hub cradle. The latch housings both define a respective opening. The hub cradle defines a recess offset from a center of the hub cradle. The hub cradle is positioned between the latch housings, and the latch hub is positioned in the hub cradle so that it is aligned with the recess. The hub cradle is configured to be received in the openings of the latch housings to provide a latch assembly having a short backset panel configuration or a long backset panel configuration. A distance from the head portion to the latch hub in the long backset panel configuration is larger than a distance from the head portion to the latch hub in the short backset panel configuration.

A locking device for a barn door mounted in the wall adjacent a side edge of the door when in the closed position. The lock includes an outer cylinder that passes through the wall. The ends of the outer cylinder are mounted to each side of the wall. An inner cylinder is provided that is axially and slidably disposed within the outer cylinder and has a length greater than the length of the outer cylinder. When so positioned, one end of the inner cylinder can extend from the surface of the wall to prevent the barn from sliding to an open position by contacting the side edge of the barn door. When slid in the opposite direction the inner cylinder disengages from contacting the side edge of the barn door to enable the barn door to slide to the open position. Optionally, a locking mechanism is provided to lock the barn door in the closed position.

Apparatus and associated methods relate to an access control system having a planar interlocking mechanism including two reflectively symmetric rotating moon gears mechanically coupled by a linear slide configured to respond to rotation of the moon gears. In an illustrative example, the moon gears are mechanically coupled by the linear slide via respective actuating cams. The moon gears may be provided, for example, with locking cams configured to releasably secure the linear slide via a corresponding follower on the linear slide. Rotation of one moon gear into a first mode may, for example, place the other moon gear in a second mode, and vice versa. Each moon gear may be configured, for example, to be operated by a removable peg. Various embodiments may advantageously be configured such that release of a removable peg from one moon gear captures a peg in a corresponding moon gear.