A panel restrictor for a heating, ventilation, and/or air conditioning (HVAC) unit includes a first bracket configured to couple to a structural support of the HVAC unit, where the first bracket includes a slot. The panel restrictor includes a second bracket configured to couple to a panel of the HVAC unit. An arcuate segment extends from the second bracket and is configured to extend through the slot. The panel restrictor also includes an engager configured to secure the arcuate segment within the slot at a plurality of discrete positions along the arcuate segment.

An improved safety gate includes a door pivotally disposed within a door frame, a plurality of extension frame members that are removably coupleable to the door frame, a pair of wall clamping members that are removably coupleable to the door frame and/or the extension frame members, and a remote actuator that is disposed at a remote location from the door and door frame. The door is configured to pivot between a closed position and an open position. The door includes a latching mechanism that secures the door to the closed position. In one operational method, the door may be manually unlatched/unlocked via a manual actuator located on the door so that the door may be rotated to the open position. In another operational method, the remote actuator may be activated to unlatch/unlock the door so that the door may be rotated to the open position.

A guard locking element (4) actuatable by means of an electric drive (6). By means of the electric drive (6), the guard locking element (4) can be brought into a blocking position such that an actuator (2) of a safety switch is locked by said guard locking element. The guard locking element (4) is connected to the electric drive (6) by means of a coupling (11) such that a rotary motion of the electric drive (6) is converted into a purely translatory motion of the guard locking element (4).

A double latch lockset, or its kit form, generally includes first and second retractable latches connected by a drive assembly. The first retractable latch may be activated by a first inside and/or outside actuator, and the second retractable latch may be activated by a second inside and/or outside actuator that activates the second retractable latch (such as a deadbolt) independently of the first retractable latch. Movement of the first inside and/or outside actuator in a first direction simultaneously retracts the first and second retractable latches, and movement of the first inside and/or outside actuator in a second direction locks the second retractable latch. The first inside and outside actuators may be configured to move in the second direction without retracting the first retractable latch.

A locking system for a door, including a primary locking mechanism and a secondary locking mechanism, in which the primary locking mechanism includes an electrical actuator that causes a first plate and a second plate to be magnetically attracted to one another when actuated such that rotation of a doorknob effects a corresponding rotation of the spindle, and in which the secondary locking mechanism includes a detent that is formed in a knob collar and an aperture that extends through a rotator collar; and a pin that is translatable through the aperture to be disposed in the detent of the knob collar, when the secondary locking mechanism is in an unlocked condition, such that the knob collar and the rotator collar are rotatably fixed to one another.

A latching system for securing a door to a panel includes a pawl having a first end that is configured to releasably engage a striker on the panel, and a second end opposite the first end having a connector. A pawl connector is connected to the connector on the second end of the pawl. The pawl connector includes a hollow cylindrical body having a longitudinal axis, a revolved outer side wall extending about the longitudinal axis, an open end through which the connector of the pawl is positioned, an opening defined on the revolved side wall of the cylindrical body, and a deformable portion formed on the revolved outer side wall. The deformable portion extends between the open end and the opening. The deformable portion is configured to elastically deform upon inserting the connector through the open end until the connector is non-removably seated within the opening.

Lock devices, systems, and methods that can include an internal mechanism to permit backdriven operation and lost motion operation. In one form the lock includes an assembly of parts that includes parts having locating features that that can assist in those parts being assembled with other parts of the assembly in a single, relative orientation. Further, lost motion may be utilized to accommodate manual displacement of one or more components of the can also be displaceable, in at least certain situations, via operation of a motor. The lock can also include an internal power source capable of driving electronics used to determine handedness of a door.

A tie bar and guide assembly for casement windows having a roll form tie bar that snaps on to the tie bar guide without extending through it. The tie bar has locating openings that engage tabs on the tie bar guide to locate and secure the guide prior to installation. The tabs are depressed and disengaged when fasteners are used to secure the tie bar assembly to the window frame. The tie bar can include rivet locking points located close to the top and bottom of the tie bar to provide better security and increased stability for preventing water and air infiltration. The rivet locking points can be adjustable to optimize the fit of the window sash within the frame. The snap-on design reduces the overall height of the tie bar assembly thereby enabling a closer fit of the sash within the frame and reducing the required width of the window frame needed to accommodate the locking mechanism.

A door silencing mechanism and methods to eliminate latch noise associated with a door latch having a spring latch bolt and a bolt housing are described. This mechanism and methods can include an actuator having a first end and a second end and moveable between a first position and a second position. This mechanism can also include a device coupled to the first end of the actuator to maintain the spring latch bolt within a bolt housing using the second end of the actuator when the device holds the actuator in the first position and to release the spring latch bolt from within the bolt housing by moving the second end of the actuator in response to the actuator moving to the second position in response to contact with a doorjamb.

An electronic remote lock actuator includes a face plate defining a longitudinal axis. A housing disposed adjacent to the face plate. A motor disposed in the housing, and a first drive bar configured to be linearly moveable along the longitudinal axis by the motor. The first drive bar includes a first end and an opposite second end. The first end is configured to be secured to a second drive bar of a mechanical remote lock assembly such that linear movement of the first drive bar is translated to linear movement of the second drive bar along the longitudinal axis.