Abstract: A control mechanism for operating a latch. The control mechanism has a frame and a first arm attached to the frame for pivoting movement relative to the frame around a first axis between first and second positions. The first arm has a first edge and a first connecting portion. The first connecting portion is connectable to a latch to effect operation of the latch connected to the first connecting portion as an incident of the first arm moving from the first position into the second position. An actuator assembly is translatable relative to the frame between normal and actuating positions along a line that is transverse to the first axis. The actuator assembly engages the first edge and causes the first arm to move from the first position into the second position as an incident of the actuator assembly moving from the normal position into the actuating position.

Abstract: An air abatement system that includes a pre-treatment system and an air treatment system for abatement of contaminated air that includes pollutants such as V.O.C.s, NOx, and/or CO. The air stream is treated using activated air, activated water, and ultraviolet light under conditions that produce hyroxyls, peroxides, and other oxidants without the formation of ozone. These oxidants are also utilized in the activated air, with the activated water being formed as an aqueous solution of the activated air. The pre-treatment system includes a quenching zone where activated water is misted into the air stream, followed by alternating reaction zones and depletion zones where activated air is added and then turbulently mixed with the air stream. The air treatment system includes a primary treatment tunnel, carbon bed system, activated air generator, and a sparger tank farm. Activated air produced by the generator as added into water while being exposed to ultraviolet light in the sparger tank farm.

Abstract: A latch assembly for a movable closure, which latch assembly has a housing having a front and rear and a wall with a forwardly facing surface, and an actuating assembly that is changeable between first and second states. The actuating assembly has an actuator element that is operable to selectively change the actuating assembly from the first state into the second state. The housing wall has an opening therethrough to allow the actuating assembly to extend from forwardly of the housing wall through the housing wall opening to rearwardly of the housing wall and reposition a latch element at the rear of the housing as an incident of the actuating assembly changing from the first state into the second state. The actuating assembly has a wall disposed in front of the housing wall that fully blocks the housing opening as viewed from the front of the housing.

Abstract: A lock assembly having a key plug with an axis, a first housing defining a receptacle for the key plug and guiding movement of the key plug in the receptacle around the key plug axis, a latch assembly including a first movable latch element, structure cooperating between the first housing and the latch assembly for supporting the latch assembly in an operative position on the first housing wherein the first latch element is movable between first and second positions relative to the first housing, a retaining element, structure for mounting the retaining element to the key plug for movement relative to the key plug between first and second positions, with the key plug being movable into the key plug receptacle to an operative position and removable from the key plug receptacle with the retaining element in its first position, and structure cooperating between the retaining element and latch assembly for preventing withdrawal of the key plug from the first housing receptacle with the key plug in its operative p

Abstract: A lock unit with an escutcheon assembly to be mounted on a movable closure and a retainer clip to maintain the escutcheon assembly in an operative position on the movable closure. The escutcheon assembly defines a first shoulder. The clip has a biasing portion defining a second shoulder for bearing on the first escutcheon assembly shoulder and a third shoulder for bearing on a surface of a movable closure on which the escutcheon assembly is mounted with the escutcheon assembly in its operative position and the retainer clip and escutcheon assembly in assembled relationship. The biasing portion of the retainer clip is in compression between the second and third shoulders to positively maintain the escutcheon assembly in its operative position.

Abstract: A lock assembly having a housing and a plunger assembly guided for movement relative to the housing between a latched position and an unlatched position with the plunger assembly and housing in assembled relationship. A tab is provided on one of the plunger assembly and housing and is repositionable from an assembly position into a holding position. With the tab in the assembly position, the plunger assembly and housing can be placed in and taken out of, their assembled relationship. In the holding position, the tab maintains the plunger assembly and housing in assembled relationship.

Abstract: A latch assembly for releasably holding a strike element. The latch assembly has a release lever, a housing with a body defining a receptacle for the release lever and having a wall bounding the receptacle, structure for mounting the release lever to the housing for movement relative to the housing between a) a normal position and b) a release position, a latch mechanism on the housing for cooperating with a strike element and movable selectively relative to the housing between a) a latched position wherein the latch position will hold a strike element and b) an unlatched position wherein a strike element held by the latch mechanism with the latch mechanism in its locked position can be released from the latch mechanism, and structure operatively connecting between the release lever and the latch mechanism for moving the latch mechanism from its latched position into its unlatched position as an incident of the release lever moving from its normal position into its release position.

Abstract: A door closure assembly is disclosed that has a latch assembly, a housing assembly and a interior panel assembly. The latch assembly is easily mounted to a door and can have a tab that cooperates with a boss on the housing assembly to facilitate alignment of the housing assembly with the latch assembly. The housing assembly is designed to minimize water entry into the door closure assembly, minimize the number of parts that operate on the latch assembly and help identify the key to be used to operate one of the two locks thereof. The inside panel assembly is designed to reduce the number of parts required to operate the latch assembly and is designed so that the handle assembly extending therefrom can be partially rotated before operating the latch assembly.

Abstract: A flush door latch assembly having a housing with a recess defined therein and a paddle within the recess. Pulling on the paddle causes a cam having a helical cam face to cooperate with a cam follower to cause rotation of a pivot plate that retracts the plunger bolt and permits a door, hatch or the like having the present door latch assembly to be opened. The plunger bolt travels towards the same side of the latch assembly that the paddle travels towards when the plunger bolt is being retracted.

Abstract: A pop-up handle assembly having a base with a mounting panel and a tubular housing and a handle with a tubular stem axially movable within a hollow sleeve rotatable within the tubular housing. The handle mounts a key-plug which is depressable to release a lock pin carried by the tubular stem from engagement with a shoulder in the tubular housing whereby the handle pops-up to an operative position under the urging of a spring. The key-plug is rotatable between locked and unlocked positions and into an unlocked position can be depressed to release the handle for movement without the use of a key. The handle assembly has provision for pop-up of the handle from the inner side thereof to free the handle for rotation regardless of whether the key-plug is either locked or unlocked.