Abstract: A handle set including a chassis and a handle mounted on the chassis. The handle includes a shank having a load bearing section, a primary actuating section, and a secondary actuating section. The chassis includes a housing, a support spindle, a primary actuator, and a secondary actuator. The support spindle is longitudinally coupled with the load bearing section, and the primary actuator is rotationally coupled with the primary actuating section of the handle. The handle set has a first configuration in which the secondary actuating section is engaged with the secondary actuator, and a second configuration in which the secondary actuating section is disengaged from the secondary actuator.

Abstract: A handle assembly includes a hub body that extends along a central longitudinal axis that has a first end portion that includes a first set of handle adapter engagement features and a second set of handle adapter engagement features. A handle adapter includes at least one of a first set of hub engagement features for engaging the first set of handle adapter engagement features or a second set of hub engagement features for engaging the second set of handle adapter engagement features. A handle engages both the handle adapter and the hub body.

Abstract: The present disclosure is directed to a lock assembly comprising an inner housing positionable on one side of a movable structure such as a door and an outer housing positionable on an opposing side of the structure. A pocket connection region having an aperture formed through a wall of the inner housing is configured to receive a head of a fastener therethrough. After the fastener extends through the aperture, a clamp device may be moved from an open position to a closed position so as to releasably lock the fastener to the pocket connection region of the inner housing. In another form, a retainer is configured to hold the fastener with respect to the inner housing during installation of the lock assembly. In this manner an inner housing may be quickly connected to an outer housing when installing a lock assembly to the structure.

Abstract: A transmission mechanism applied to a lock and for controlling the lock to switch between an unlocked state and a locked state. The lock includes a first handle set including a first cover plate which includes a first fitting portion. The transmission mechanism includes a transmission element and a moving component. The transmission element is connected to the first handle set in a manner that the transmission element is incapable of moving along a rotating axis and has an abutting portion. The moving component is disposed on the transmission element in a manner that the moving component is capable of moving along the rotating axis and includes a first engaging groove, a second engaging groove and a second fitting portion. When the transmission element is operated to rotate, the abutting portion is capable of switching between the first engaging groove and the second engaging groove.

Abstract: A breach training door apparatus includes a heavy outer frame supporting a door on hinges, preferably lift-out hinges. The door includes a crush prop to receive a section of a door of metal, wood or other material, and is versatile in allowing breach training by battering rams, breach tools or explosives. Accessories can be attached to the frame to facilitate several different training operations. A screen door can be attached to the frame when desired for training.

Abstract: A lock, adapted for being assembled on a door panel, is provided. The door sheet has an assembling hole and a latch slot connected and communicated with the assembling hole. The lock includes a latch assembly, a first locking mechanism, and a second locking mechanism. The latch assembly is assembled in the latch slot and extended into the assembling hole. The first locking mechanism and the second locking mechanism are assembled in the assembling hole from the two sides thereof respectively to automatically position and affix the latch assembly. Because the latch assembly can be to led to move and positioned in the latch slot and the assembling hole by the first locking mechanism and no screw or other tool are required for fastening in the entire process of the assembling, the present invention is therefore easy and convenient to assemble.

Abstract: A rose assembly for a door lock and a method of removably securing the rose assembly to a lock chassis. The rose assembly is secured to the lock chassis through the use of an intermediate spring steel attaching plate, which provides both a secure attachment to the lock and orientation of the rose assembly to the lock housing. A single spring plate with integrated retention clip features provides a removably attachable interface between the rose and the lock chassis. The spring plate includes a hook feature to provide positive retention of the rose that is independent of the spring clip features. Additionally, the spring clips are located to minimize the possibility that one clip deflects substantially more than another. The installation process includes inserting the hook feature into a slot in the chassis housing, and then snapping the clip features over the housing to seat and retain the rose.

Abstract: A training door, door frame, and system are disclosed that allow first responders to train on breaking open locked doors. The door frame provides a channel for a replaceable rod or bar formed of a door material, so that during training, while the rod or bar may be disfigured by repeated training exercises, the remainder of the door and frame remain intact. In this manner, only the rod or bar may need to be replaced after repeated training, rather than the entire door or frame.

Abstract: A door installation system includes a spindle rotatably attached to an exterior knob; a first screw post secured to a front surface of the spindle; a second screw post secured to the front surface of the spindle; a cover secured to an interior knob at a first surface. The cover includes a first recess that engages with the first screw post; and a second recess that engages with the second screw post.

Abstract: A training device provides a simulator for gaining emergency access through a locked or barricaded door in emergency situations. The apparatus comprises a door support structure, which may be free-standing. The door support structure comprises a vertical rectangular support structure comprising a threshold member at the bottom, a head member at the top, a hinge side jamb member and a latch side jamb member. A vertical hinge attachment member is pivotally mounted to the hinge side jamb member. A door member translates with respect to the position of the vertical hinge attachment member along a plurality of pins extending between the vertical attachment member and the door member. The door member is normally biased towards the latch side jamb member.

Abstract: The present disclosure defines a lever handing apparatus that permits simplified changing of the handing of a lever handle between a left hand and a right hand orientation. The lever handing apparatus includes an assembly with a rotatable spring cage housing and lever spindle that can be selectively rotated within an escutcheon housing to change the handing position of a lever arm. The handing orientation of the lever can be repositioned without removing a back plate or accessing internal components positioned within the escutcheon housing assembly.

Abstract: A security door breach training system comprising a frame member; a plurality of elongate members, each of the elongate members fixed to the frame member and having a free end spaced from the frame member, the plurality of elongate members including at least one capture member, a first clevis member, and a second clevis member fixed to the frame member opposite the first clevis member; at least one retention bar attached between two of the elongate members and spaced a distance from the frame member; and at least one retaining pin adjacent to the frame member, the at least one retaining pin comprising an elongate element at least partially adjacent to the frame member and having a first end and an opposing second end, a retaining pin socket attached to the elongate element proximal to the first end, and a stub extending from the at least one elongate element proximal to the second end.

Abstract: A forcible entry training simulator. The simulator has a clamping structure that allows for hinges to be affixed and cut by a trainee in the same manner as would have to be accomplished for forcible entry into a building. The simulator has plunge-cutting and lock-pulling simulators as well. In addition, the simulator has a stabilizing wheel structure utilized to allow easy transport and handling of the simulator. The structure of the simulator allows low cost alternatives to materials to be used to provide the same level of training as though actual hinges, doors, and locks were being utilized, but without the significant expense of utilizing actual real-world materials in training where the materials will, of necessity, be destroyed.

Abstract: An electronic lock and system particularly for replacing existing mechanical locks for gaming devices are disclosed herein. According to one embodiment, the gaming device includes a cabinet having a chassis and a main gaming device door locked by a mechanical lock. The electronic lock is configured to have a profile to replace the existing mechanical locks and includes a rotatable bolt receiving a sleeve. In a retained and locked position the sleeve is within the lock barrel and an operator is nested in a pocket in the barrel head. Upon receiving a command a motor rotates a cam and the sleeve is released to axially move to release the operator from the pocket for rotation of the sleeve and bolt to unlock the door. Sensors sense for fault conditions. Authentication is required to provoke the opening command Opening events may be logged at a system server or local memory.

Abstract: A mounting and securing device for a handgun or other article. The device has a cylindrical locking member that is securable to a post. Radially-extending change pins disposed in the sidewall of the locking member engage and move a plurality of control pins axially within pin bores. A tumbler disposed between each control pin and the central post is moved into and out of engagement with a groove in the post, in response to the axial movement of the control pin.

Abstract: A lock structure includes a first mounting plate and a positioning ring. The first mounting plate comprises a bottom plate and a plurality of fixing holes. The positioning ring comprises a ring body, an opening and a plurality of positioning members, and each of the positioning members comprises a positioning barrel having a body and a penetration hole. Each of the penetration holes is surrounded by each of the bodies. Each of the penetration holes corresponds to each of the fixing holes to make a fixing member passing through the fixing hole and fixedly secured at a positioning rod via guidance of each of the penetration holes. Therefore, the difficulty of assembly caused by the reason the fixing member is unable to align with the positioning member is eliminated.

Abstract: A fitting arrangement for mounting a handle to a door, the door having a predetermined thickness and an interior lock chamber. A rod interconnects two handles extending through the lock chamber. A washer or cover plate is connected to an adjustment device for adaptation of the position of the washer or cover plate to the predetermined thickness. The fitting arrangement includes an adjustment device having a coupling with a magnet for fixing of the adjustment device on the lock chamber. The adjustment device has an outer part intended for securing on the washer or cover plate and an inner part with the magnet, the outer and the inner parts being adjustably connected to one another by the intermediary of a thread union.

Abstract: A shell assembly includes a first shell having an elastic joint component securely formed on a side face of the first shell, a second shell received in the first shell having a concavity to correspondingly partially receive therein the joint component, such that the first shell and the second shell are separably connected together for a replacement application.

Abstract: An entrance door security system is provided, comprising a door reinforcement assembly; having a front plate, with an indent and a deadbolt hole, with an extended door reinforcement cylinder extending from deadbolt hole, and also having opposing flanges extending over the interior face and exterior faces of the door, adapted to receive a deadbolt assembly within a deadbolt bore; and door reinforcement bolts inserted through the door and establishing a secure fit between the opposing flanges. The bolts are secured by a threaded nut on the exterior face of the door with a smooth head to prevent disassembly from the exterior side. A deadbolt striker plate assembly, and a security hinge assembly are also provided, such that all three weak areas of the door are more resistant to attempts to breach the door, thus providing extreme entrance door security.

Abstract: A lock structure includes a mounting plate, a positioning member, an escutcheon and a constraining member, wherein the mounting plate comprises a ring wall, guiding slot and a limiting slot, and the escutcheon comprises a limiting protrusion. The positioning member is disposed in the limiting slot and clamped between the escutcheon and the constraining member. The limiting protrusion penetrates the guiding slot of the escutcheon and is constrained inside the limiting slot. The limiting protrusion of the escutcheon is blockable by the constraining member to prevent the rotating escutcheon from separation from the mounting plate.

Abstract: The spring box contains a base piece, a front plate, a back plate, a rotational piece, and a torsion spring. The base piece and the front and back plates have aligned through holes. A radial gap is configured on the rim of the base piece. The rotational piece has a curved sliding element along a section of the circumference. The sliding element has a groove, a weight block configured at one end of the sliding element, and a notch at the other end. The rotation piece is placed in the through hole of the base piece. The two ends of the torsion spring are embedded in the gap and the notch. The rotational and base pieces are sandwiched between the front and back plates. Then, by the weight of the weight block and the resilience of the torsion spring, a door handle is restored to its default position after being turned.

Abstract: A hand grip has an arm and a leg. The arm and the leg extend through a door outer panel and are supported by a holder member and a frame member in a freely pivotable manner, respectively. By operating the hand grip in the same direction as when a sliding door is opened, the arm is pivoted relative to the holder member retained at an initial position, so that a full close latch mechanism is unlocked. By operating the hand grip in the same direction as when the sliding door is closed, the leg is pivoted relative to the frame member, while the holder member is pivoted relative to the frame member against urging force of a coil spring, so that a full open latch mechanism is unlocked.

Abstract: In a handle-returning device of a cylinder lock assembly, a support base has an inner annular flange and an axial spring-retaining lug. A rotation driver has an inner tubular wall extending into the inner annular flange of the support base, and a spring driving element. A torsion spring is disposed around the inner annular flange and between the support base and the rotation driver, and has a spring leg abutting the spring-retaining lug and the spring driving element. A rotary plate abuts the support base opposite to the rotation driver, and has an engaging part engaging a tongue projecting from the rotation driver. A reinforced structure is thus provided to oppose high torsional stresses produced upon rotation of a lever handle.

Abstract: A shell assembly includes a first shell having an elastic joint component securely formed on a side face of the first shell, a second shell received in the first shell having a concavity to correspondingly partially receive therein the joint component, such that the first shell and the second shell are separably connected together for a replacement application.

Abstract: A cylindrical lever lock using a lever as a handle for convenient use by even the disabled and the old is disclosed. Since plate shafts, spring holders and spring cage covers constituting the cylindrical lever lock are made of general metal plates, the material cost and the prime cost may be reduced. In addition, the spring holders are connected through double engagements with spring cages and the spring cage covers. Therefore, deformation of parts or drooping of levers may be prevented in spite of an excessive force applied. Furthermore, assembling and disassembling of the parts can be quickly and easily performed by achieving adjustment of intervals of the parts according to thickness of a door using a female screw of an outer attachment plate and a male screw of a boy assembly.

Abstract: An electronic door lock for a door having a first side and a second side. The electronic door lock includes an escutcheon including a first aperture. A non-circular spring cage extends through the first aperture, and the spring cage includes a second aperture. A spring cage spindle at least partially extends through the second aperture, and the spring cage spindle extends from the spring cage and includes a third aperture. A key cylinder is received in the third aperture. A handle including a fourth aperture receives the key cylinder and the spring cage spindle, and a fastener is received by the handle. The fastener is configured to couple the handle to the spring cage spindle and inhibit movement of the handle with respect to the spring cage spindle.

Abstract: In a handle-returning device of a cylinder lock assembly, a support base has an inner annular flange and an axial spring-retaining lug. A rotation driver has an inner tubular wall extending into the inner annular flange of the support base, and a spring driving element. A torsion spring is disposed around the inner annular flange and between the support base and the rotation driver, and has a spring leg abutting the spring-retaining lug and the spring driving element. A rotary plate abuts the support base opposite to the rotation driver, and has an engaging part engaging a tongue projecting from the rotation driver. A reinforced structure is thus provided to oppose high torsional stresses produced upon rotation of a lever handle.

Abstract: A door furniture mounting assembly (10, 10?) including a relatively smaller rosette (12) with a handle side and a door side. The door side of the rosette (12) includes at least one exterior recess (24) adapted for rotational and axial engagement with at least one inwardly extending protuberance (32) on the door side of a relatively larger rosette sleeve (30).

Abstract: A cylinder lock includes an outer rose disc having a middle opening, two locking holes, and an annular lateral rim formed with opposite engagement elements, a reinforcement structure having a first plate section that has a central hole aligned with the middle opening, and two passage holes aligned with the respective locking holes, two second plate sections extending transversely from two opposite ends of the first plate section, and two support sections respectively extending from the second plate sections to the lateral rim to engage the engagement elements. An outer drive tube extends through the middle opening and central hole. The reinforcement structure provides enhanced stiffness and robustness to two securing rods extending through the locking holes and the passage holes.

Abstract: A locking mechanism is provided that has an unlocked position and a locked position. The locking mechanism comprises the following. A first handle. A first rose attached to the first handle with the first handle adapted for rotational movement relative to the first rose. A first longitudinal slot in the first rose. A locking cartridge cylinder at least partially contained within at least the first handle or the first rose. A locking tab operably connected to the locking cartridge cylinder adapted for movement: at least partially into at least the second slot in the first rose in a locked position; and completely out of the first longitudinal slot in the first rose in an unlocked position.

Abstract: The present invention relates to a lock device for a door of the type with seating unit through the door shutter. The seating unit has a first seating body, a second seating body, a first cover and a second cover. There are provided connecting elements, generally self-tapping screws, that engage both the first cover to the first seating body and the second cover, closing the second seating body as a package thereinbetween. Among the other things, the lock device allows a wide rotation of the handle.

Abstract: A fire plate for receiving a bored in lock assembly and preventing passage of fire through a lock opening bored perpendicularly through a fire door. The fire plate is particularly adapted for use with integrated lock and latch assemblies that are designed for installation through a latch opening bored from an edge of the door into the lock opening. The latch opening has a diameter less than the lock opening and the fire plate blocks the space above and below the lock assembly in the lock opening to prevent the passage of smoke and fire through the lock opening. The fire plate includes two fire stop barriers that may be formed by bending from a sheet of spring steel and which preferably snap into engagement with the lock assembly as it is inserted from the latch opening into the lock opening.

Abstract: A door lock includes a casing mounted in a bare of a door. The casing includes inner and outer coupling seats to which inner and outer mounting plates are mounted respectively. The outer coupling plate includes two diametrically opposed slots located outside the bore of the door. The inner mounting plate includes a plurality of pairs of diametrically opposed holes. The inner mounting plate is rotatable relative to the inner coupling seat to a position in which one of the plurality of pairs of holes is aligned with the slots. Two mounting posts are extended through the slots and through two through-holes in the door. Each mounting post is slideably received in one of the slots, allowing the mounting posts to move toward or away from each other until a spacing between the mounting posts is equal to that between the two through-holes of the door.

Abstract: A dummy conversion bracket is used with a lockset having an interior assembly, an exterior assembly, and a thumbpiece. The thumbpiece is pivotally coupled to the exterior assembly and includes a tab that extends through the exterior assembly. The bracket comprises a blocking member disposed between the interior assembly and the exterior assembly. The blocking member is coupled to the exterior assembly and includes an aperture for receiving the tab. The aperture is configured to prevent the thumbpiece from pivoting relative to the exterior assembly.

Abstract: A universal rosette for mounting a door handle includes a mounting base (10) adapted to be attached to a door leaf, a base member (20) adapted to be attached to the mounting base (10), and a screw-over ring (30) for screwing onto the mounting base (10). The mounting base has a planar surface on a first side facing the door leaf, a central opening (12), a ring part (14) surrounding the central opening (12), a plurality of screw openings (16?, 16?) with different shapes formed in the ring part (14), and two stop pins (18) formed on the ring part (14) and on a second side opposite to the first side. The base member has four accommodation openings (22) for accommodating the stop pins (28) vertically or horizontally. A mounting help (50) has a central square opening (52) for positively mounting on a square pin sitting in a lock casing and two openings (54) in radial spacing to the central opening (52) For accommodating the stop pins (18) of the mounting base (10).

Abstract: A furniture plate assembly extends over a mortise lock in a door and contains a pair of side plates extending over each side of the door, the side plates being clamped against the door by internal fasteners, the internal fasteners comprising a threaded stud which can be rotated by an adjustment member which can be operated from the edge of the door. The adjustment member can be provided with a clutch to prevent over tightening of the assembly. The threaded internal fastener provides better adjustment of the assembly than a cam type clamping device.

Abstract: A lock device includes an external cylinder body, a latch unit, a screw part and an inner lock body that are combined together. The inner lock body has an inner cover plate set, a washer plate, a spring, a spring plate, an inner connecting plate and an inner lever handle. A pair of opposite openings is located at a periphery of the inner cover plate set. An inner drive cylinder is configured on the inner cover plate set. The inner connecting plate is easily to be disassembled without other tools to assist when the inner connecting plate has to be replaced, so as to there is no tool damage the lock device and the door board.

Abstract: A door handle assembly attachable to a door. The door handle assembly includes a handle coupled to the door and a latch bolt coupled to the handle and movable along a latch bolt axis between an extended position and a retracted position. An attachment member defines an attachment axis. The attachment member is movable relative to the handle between a first position and a second position.

Abstract: A handle set includes a handle assembly having an operator, a rose insert, and a shank having a bore. The rose insert has a central opening and a post. The shank is affixed to the operator and rotatably received in the central opening. A rotational stop is coupled to the rose insert. A spindle guide is slidably received in the bore and is slidable between a locked position and an unlocked position. A kick-off plate having a retention slot is coupled to the spindle guide. A centralizing cup having a single multi-function tang and a lock retention feature is mounted to the shank. The multi-function tang is configured for rotation along a rotational path, the rotation being limited by the rotational stop. The lock retention feature is positioned to engage the retention slot when the spindle guide is in the locked position to thereby retain it in the locked position.

Abstract: A reinforced apparatus for a lever handle of a door lock comprises a housing having a first bottom plate and a second bottom plate, in which the first bottom plate connects a first annular wall and a second annular wall, and the second bottom plate connects the second annular wall and a third annular wall; a recess formed between the first annular wall and the second annular wall; and a rotary member, in which a coiled spring is disposed between a first and a second side plates of the rotary member: wherein the second bottom plate of the housing is formed with an axially extending predetermined bending member to be bent inwardly for a predetermined angle, after the rotary member and the coiled spring are disposed within the recess of the housing, so that the rotary member is maintained within the recess of the housing and can be operated externally.

Abstract: A restoring structure of a lock comprises: a sleeve disk, having a first wall and a second wall, the first wall interconnecting a first face and a second face, and the second wall interconnecting the second face and a third face, the first face and the second face defining a recess, the first face further having a projection, and the second wall defining a central hole; an integrally formed rotative tube, inserted through the central hole of the sleeve disk, and having an end which is formed with a bent portion at a location corresponding to the projection of the sleeve disk and has at least one protrusion disposed at a predetermined position, the protrusion abutting against the first face of the sleeve disk; a torsion spring having two legs, adapted to fit onto an outer wall of the rotative tube such that the legs engage on the bent portion of the rotative tube and the projection of the sleeve disk; and a guard ring disposed adjacent to the third face of the sleeve disk and adapted to engage with at least on

Abstract: A post-removable construction of a door lock device which is disposed on a plate assembly. The plate assembly can be applied to install a transmission mechanism comprised of an inner spindle, an outer spindle, an inner lever, and outer lever and a latch-retracting mechanism onto a door panel, and drives a latch. The plate assembly is comprised of an inner housing assembly inboard of the door panel and an outer housing assembly outboard of the door panel.

Abstract: The invention is an anti-rotational lock chassis for a retractable latch. The lock chassis includes a first hub having at least one flat side and a second hub with a thread exterior. An internally threaded plate receives the externally threaded hub. The flat-sided plate receives the flat-sided hub. Each plate is positioned between a spring cage assembly and the chassis. The spring cage assembly includes a drive spindle that rotates to extend and retract the latch to secure access through a door. A connecting element interconnects the spring case assemblies. Cutouts in each plate engage the connecting elements, thereby constraining the plates and chassis from rotating inside the door.

Abstract: A lock includes a main body having an outside seat and an inside seat around which an inside rose liner is mounted. A peripheral wall delimiting a central hole of the inside rose liner includes at least one pair of notches. A reinforcing ring is mounted round the inside seat and inside the inside rose liner. The reinforcing ring includes two tabs each having a distal end received in a respective groove of the inside seat, preventing relative rotation between the reinforcing ring and the main body. Two positioning posts extend from an outside rose liner mounted around the outside seat. Two fasteners extend through the reinforcing ring and the inside rose liner into screw holes of the positioning posts, thereby securing the reinforcing ring, the inside rose liner, and the outside rose liner together. The torque-resisting capacity is thus improved.

Abstract: The invention relates to fittings (1, 21) for the fixing and/or locking arrangement of a glass element (45) on at least one adjacent glass element, whereby the fittings (1, 21) are composed of fitting halves (2, 3, 22, 23, 26, 27) each consisting of a substructure (42) fixed to the glass element (45) and of a covering (25) that crowns the substructure (42). The aim of the invention is to create a fitting (1, 21), which forms a compact and visually appealing unit having a smallest possible overall height, whereby retaining the existing diversity of use and the various functions. To this end, the covering (25) comprises a front surface (7, 30), which is fixed between lateral faces (5, 6, 28, 29) and which curves in a convex manner from one edge (8, 31) to the opposite edge (9, 32).

Abstract: A tubular lock includes an inside assembly having an inside rose and an inside rose liner, an outside assembly having an outside rose and an outside rose liner, a latch mechanism including a latch, at least one of the inside assembly and the outside assembly having a spindle operably connected to the latch for retracting the latch and a handle connected to the spindle to turn therewith, and a fireproof cover having a longitudinal through-hole through which the spindle extends. The fireproof cover is mounted outside the outside rose liner and thus covers the outside rose liner. The inside rose liner, the outside rose liner, and the fireproof cover are engaged together.

Abstract: A lever handle return spring assembly for a cylindrical lock mounted in a bored opening in a door includes support plates on opposite sides of the door. The support plates include cylindrically depressed inner regions that extend partially into the bored opening in the door to accommodate return springs and reduce the visual thickness of the return spring assembly. Spring housings containing compression springs turn within the support plate inner regions and are held in place by cover plates. The support plate, cover plate, spring housing and springs on each side of the door form complete assemblies that are attached to the door via through-bolts. At least one of the support plates preferably includes lock tabs that connect to the cylindrical lock to prevent rotation of the cylindrical lock relative to the door. The support plate and cover plate are designed for strength when stamped from a flat sheet.

Abstract: A door lock includes a main body having an inside seat and an outside seat. The inside seat includes two diametrically disposed flat surfaces and two arcuate surfaces. An inside rose liner is mounted around the inside seat and includes a central hole. A wall projects from a periphery delimiting the central hole and extends along a direction parallel to a longitudinal axis of the main body. The wall includes two diametrically disposed flat sections respectively engaged with the flat surfaces of the inside seat. The wall further includes two arcuate sections respectively engaged with the arcuate surfaces of the inside seat. Thus, the torque-bearing capacity of the door lock is improved.

Abstract: A reinforced apparatus for a lever handle of a door lock comprises a housing having a first bottom plate and a second bottom plate, in which the first bottom plate connects a first annular wall and a second annular wall, and the second bottom plate connects the second annular wall and a third annular wall; a recess formed between the first annular wall and the second annular wall, and formed with at least one protruding rib; a rotary member including a first side plate and a second side plate, in which a coiled spring is disposed between the first and second side plates, and has two legs respectively engaging the protruding portion of the housing; characterized in that: the second bottom plate of the housing is formed with an axially extending predetermined bending member to be bent inwardly by an auxiliary apparatus for a predetermined angle, after the rotary member and the coiled spring are disposed within the recess of the housing, so that the rotary member is maintained within the recess of the housing an

Abstract: The present mechanism provides a quick install lockset mechanism having a semi-permanent mechanical connection between an interior lock assembly and an exterior lock assembly. The exterior lock assembly includes a pair of threaded fasteners extending through a preformed hole in a door, and the interior lock assembly includes a rose liner configured to rotatably engage the fasteners to connect the interior and exterior lock assemblies. The interior lock assembly rose liner includes a pair of raised contoured portions having openings for receiving the fasteners and ramps for guiding the fasteners to the openings. In addition, the interior lock assembly includes a knob insert and a turnpiece guide. The knob insert is disposed in the knob and the turnpiece guide is removably disposed in the knob insert. A turnpiece is disposed in the turnpiece guide and is thereby aligned with an operating member extending from a lock cylinder in the exterior lock assembly.