Abstract: A handle assembly for a door or window comprises a handle and a second element, installable on opposite sides of the door or window, and a pin element rotatable around a pin rotation axis and insertable into the handle or in the second element at variable depths. The handle assembly further comprises a friction reducing group positioned coaxially to the pin element and positionable between the handle and the door or window in the axial direction of the pin rotation axis. Clamping devices constrain the handle and/or the second element on the pin element at adjustable distances along the axial direction according to the thickness of the door or window, so that when the handle assembly is installed on the door or window, an axial clamping pressure of the handle and of the second element is maintained on the respective side of the door or window. An installation method of the handle assembly on the door or window is also provided.

Abstract: A vehicular door handle assembly for opening a vehicle door is provided and includes a chassis assembly having a forward end and a rearward end. The forward end includes an arm rotatable about an axis perpendicular to the longitudinal axis of the chassis and the rearward end includes a rotatable bellcrank. The vehicular door handle assembly further includes a handle grip movable to an actuated position to open a vehicle door and the handle grip includes a forward end and a rearward end. The forward end includes a connection member to rigidly connect with the rotatable arm and the rearward end includes a plunger rotatably connected to the rear end door handle and is rotatably connected to the bellcrank.

Abstract: A lock, including: a retractable knob; and a knob release mechanism for retaining the retractable knob in a retracted position, wherein the knob release mechanism includes a damper with a gear that is slidably received within a set of grooves located in the retractable knob, and wherein the gear prevents rotation of the retractable knob unless it is in an extended position.

Abstract: A reversible handle device includes a housing, a handle portion rotatably disposed on the housing and rotatable relative to a long axis, a reversible member and a stopping member. The reversible member is connected to the handle portion and rotatable relative to the handle portion. The reversible member has a first slot and a second slot for switching the handle portion to be in a first orientation status or in a second orientation status. The stopping member is disposed on a side of the reversible member in a manner of being movable in a direction parallel to the long axis. The stopping member is biased toward the reversible member in the direction parallel to the long axis, such that the stopping member protrudes into the first slot or the second slot. Accordingly, the handle portion is in the first orientation status or in the second orientation status.

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: An improved apparatus for a door latch, which enables the user to open the door with a simple pull or push (force) on the door handle, has a door handle, which is removably connected to an actuator, which translates this force to disengage a bolt from the strike plate in the door frame. The bolt has an angled actuator engagement area (AES), which engages a bushing or sliding area on the actuator, such that when said force is applied the actuator, said bushing or sliding area is able to translate said force along the AES and move the bolt from a first position to a second position and to disengage the bolt from the strike plate and to allow the door to be opened. There is also at least one actuator support structure with at least one roller bearing and a roller bearing pin.

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: An improved locking handle and power module assembly provides continued ability to open and close a truck cap or tonneau cover from within or without, and presents an enclosed mechanism to prevent obstruction or jamming. A release handle is provided to permit unlatching of a latch mechanism operated by the locking handle without regard to whether the locking handle is locked or not.

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: The resilient device contains two intermediate plates stacked and sandwiched between two outer plates. The intermediate plates have a center opening for accommodating a rotational seat and a spiral spring in the gap between the rotational seat and the intermediate plates. The ends of the spiral spring are attached to the rotational seat and the intermediate plates, respectively. An axle of a door knob or a door handle runs through the outer plates and engages a saw-toothed center opening of the rotational seat. When the door handle or door knob is turned, the spiral spring is tightened as the rotational seat is turned along with the door handle or door knob. When the door handle or door knob is released later, the spiral spring expands and therefore restores the door handle or door knob back to its original, un-turned state.

Abstract: A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that extends into the protective sleeve via the longitudinal slot. A tab extends from a perimeter delimiting the longitudinal slot into the longitudinal through-hole of the protective sleeve. The tab is extended through by an associated mounting post of the lock. A lock with such a protective sleeve is also disclosed.

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 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: A weather resistant latch handle assembly including a pan having sidewalls with an opening from an interior side of the pan to an exterior side of the pan, a pan floor, and a recessed area defined by the sidewalls and the floor. Bushings are carried in the openings having an inner surface for receiving an actuator which extends from the exterior side of the pan to the interior side, and an outer surface for engaging the sidewall. A first annular groove is included in the inner surface of the bushing carrying a first o-ring for forming a seal between the inner surface of the bushing and the actuator. A second annular groove is included in the outer surface of the bushing carrying a second o-ring for forming a seal between the bushing and sidewall.

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: A door lock set includes: an outer lock held in an outer trim plate on an outside surface of a door, a latch device for locking the door on a door frame, an inner reinforced retaining member fastened with the outer lock and retained on an inside surface of the door, an outer reinforced retaining member fastened with the inner reinforced retaining member across the door, an inner trim plate having an inner knob or handle rotatably or pivotally held on the inner trim plate fastened to the inner reinforced retaining member and retained on an inside surface of the door; and the outer lock fastened to the inner reinforced retaining member for retaining the outer trim plate on the outside surface of the door for providing a door lock set easily assembled but difficultly damaged.

Abstract: A tubular doorknob includes an inside bracket, an outside bracket and adjustment devices. The outside bracket has two connecting wings, two outside passages, two outside screw holes and an outside adjustment device. The connecting wings protrude from diametrically opposite sides of the outside bracket. The outside passages are defined through the connecting wings. The outside screw holes are defined through the outside bracket and communicate with the outside passages. The outside adjustment device has two sliding blocks and two adjustment screws. The sliding blocks are slidably mounted in the outside passages. The adjustment screws are screwed into the outside screw holes to push the sliding blocks to abut a surface in a doorknob hole in the door. The inside bracket has a configuration similar the outside adjustment device. The extended adjustment devices firmly hold the tubular doorknob in the doorknob hole.

Abstract: The invention relates to a device for locking a part (3; 21; 31) that is to be secured, arranged so that it can move on a motor vehicle, a securing part (11; 26; 36) engaging in a slot-shaped cavity (7; 28; 38) of the part (3; 21; 31) that is to be secured under the effect of the acceleration forces that occur when the corresponding vehicle coincides with an obstacle. To allow the device to be fitted simply and in a non-bulky way and to reliably prevent unintentional opening of the door of the vehicle when acceleration forces from different directions are applied on the part that is to be secured, the invention proposes that the securing part (11; 26; 36) be controlled by a control element (10; 22; 32) of spherical shape, the control element (10; 22; 32) resting on a guide (8; 23; 33) via domed or conical control surfaces (9).

Abstract: A door handle assembly (10) includes at least one face plate (11) arranged to be secured to the face of a door, and a handle (12) adapted to be mounted on the face plate to be axially rotatable thereto. The handle includes a shank (17) that extends through the face plate. The face plate has a boss (21) adapted to support a bearing mounted on the shank to allow axial rotation thereto and a spring to hold the shank (17) against the face plate. The bearing is accurately located in a recess in the boss (21) of the face plate (11), and the handle (12) and the spring engage opposite ends of the bearing so that the location of the handle against the face plate is independent of the thickness of the face plate.

Abstract: A door lock has a first handle, a second handle, and a lock device disposed between the first handle and the second handle. The lock device has a disk disposed on the second handle, an annular cover disposed on the first handle, a sleeve disposed on the disk, an annular dish, an annular spring, a cage ring, and an annular cage seat disposed in the annular cover in order, a case disposed between the sleeve and the annular cage seat, a draft block inserted in the case, a core inserted in the first handle, a tube inserted in the second handle, a button inserted in a rear end of the tube, an extended rod extending from the button and inserted in the tube, a pipe inserted in the first handle, a collar inserted in the disk, a positioning plate inserted in the sleeve, a hollow cylinder device inserted in the pipe, a compression spring inserterd in the hollow cylinder device, and a block seat disposed in the draft block.

Abstract: An adapter device for a key-in-lever type lock having at least a mounting plate and an escutcheon includes a disk having a central hole defined therethrough so as to receive screw posts, and a split spindle extending from the mounting plate, the disk having a flange extending laterally from a periphery thereof so as to be engaged with a skirt portion of the escutcheon. The disk further has at least one slot and two holes respectively defined therethrough. Two mounting studs each have a threaded protrusion so as to respectively extend through the two holes and to be fixedly connected to the mounting plate.

Abstract: A torsion spring positioning device of a cylindrical lock includes a spindle outer casing through which a spindle extends and the spindle outer casing has two protrusions extending radially inward from an inner periphery thereof. The spindle has two slots defined in a periphery thereof and two stops extending radially outward from the periphery thereof so that two legs of the torsion spring respectively abut an end of the corresponding stop and an end of the corresponding protrusion. A washer is mounted to the spindle and has two notches defined in an outer periphery thereof so as to respectively receive the protrusions. A C-shaped clamping member is mounted to the spindle and has two stubs extending radially inward from an inner periphery thereof so as to be received in the slots.

Abstract: A vehicle door/tailgate handle assembly for unlatching either a combined door/tailgate and window as a unit or the window unit alone provides an improved centering/alignment feature which avoids reliance on prior known spirally wrapped, low tolerance, low cycle life springs. The handle assembly includes a handle grip, mounting base and a centering member which centers and aligns the handle grip on the mounting base. The handle grip is rotatably mounted in a shaft receiving passage on the mounting base and a centering member is slidably disposed on shaft for movement along and rotation with the shaft for slidable engagement with the rear side of the mounting base. When a rotational torque is applied to the handle grip, the centering member slides along the shaft away from the rear side of the mounting base to permit the handle grip to rotate between a first unlatching position and a second unlatching position.

Abstract: A fastening device used with a lock for firmly securing the lock in position against undesired rotational movement with respect to a door where the lock is mounted. The fastening device comprises a pair of mounting screws for firmly securing an inside and an outside escutcheon to the door and a pair of fastening screws extending through a main lock assembly to firmly support it with respect to the outside escutcheon of the already firmly secured inside and outside escutcheons assembly.

Abstract: A retainer for preventing abrasion of a lock spindle of a lock mechanism by a torsion spring used to return the lock assembly the center position. The lock mechanism includes an axial spindle operably connected to the knob and the lock bolt for selective operation. The torsion spring which returns the lock assembly to the center or at-rest position is coaxially mounted about the spindle. The retainer includes tabs disposed between the spring and the spindle to prevent contact therebetween and thereby eliminate abrasion of the spindle by the spring which can result in premature failure of the lock mechanism.

Abstract: A lever assembly for a door lock comprising a lock cylinder and a pair of housings, each of which being mounted to a respective shank portion of the lock cylinder. Each housing has a circular channel formed in one side thereof. Each housing defines a lip that has a substantially planar perimetrical edge and includes a pair of travel stop tabs and a pair of spring holder tabs extending from the channel wall. In a preferred embodiment, the travel stop tabs of each housing member are less than 180.degree. apart, and the spring holder tabs are diametrically positioned with respect to one another.

Abstract: A handle-operated lock and latch assembly for interfacing a Eurocylinder type of electronic lock with a rose-accessible door lock/latch mechanism employs a handle of the type used in a mechanical handle-actuated door latch, but in which the shank portion of the handle is modified to include a cavity that accommodates a Eurocylinder-configured electronic lock. The original rose is replaced by a rose having a slightly larger circular aperture, so that it may receive a rotatable collar that is configured to engage the modified handle shank, whereby the handle and the collar are rotatable relative to the rose, with the cam of the electronic lock being inserted into the door's existing lock spindle mechanism.

Abstract: A lockset chassis assembly is provided for use with a door latch. The lockset chassis assembly includes a rotatable spindle, a chassis supporting the rotatable spindle, a rose engaging the chassis at a junction therebetween and defining a space between the rose and the chassis at the junction, and a locking pin. The chassis includes an inner hub and an outer hub separated from the inner hub. The outer hub includes a threaded outer surface and an outer hub keyway interrupting the threaded outer surface. The locking pin engages the inner hub, lies in the outer hub keyway, and engages the rose and the chassis in the space at the junction between the rose and the chassis.

Abstract: A system for attaching door lock trim roses on inside and outside faces of a door, has a mounting chassis with inside and outside members, each having outwardly projecting portions with opposed cylindrical sector arcs. Fasteners join the outside member to the inside member to secure both members against the outside and inside faces of the door. Interchangeable hollow inside and outside trim roses have at least two inwardly projecting pips close to a door contacting lip of the trim rose. Detents on the outside member of the mounting chassis receive the pips of the outside trim rose and secure the outside trim rose against the outside face of the door; and grooves on the inside member of the mounting chassis receive the pips of the inside trim rose.

Abstract: A lever door lockset 20 includes an exterior subassembly 21 and an interior subassembly 55. Interior subassembly 55 includes a lever 56 positioned on an insert 62 which supports a rose insert 64. A half-round spindle 78 and a round spindle 80 are positioned through a spring biasing arrangement including spring 76 and through a bearing 88 supported by a shield 86 . Shield 86 is assembled with rose insert 64. Exterior subassembly 21 includes a lever 22 which is assembled with an insert 24. A rose insert 32, a spring biasing arrangement including spring 40 and a cover 48 are mounted in assembly on insert 24. A latch assembly 94 including latch bolt 96 is coupled through half-round spindle 78 to levers 22 and 56 for movement of bolt 96 upon movement of the levers.

Abstract: A two-way door latch that is swingable relative to a door jamb, the door having an opening adjacent its edge whose opposing ends are covered by a pair of escutcheons. Rotatably mounted on each escutcheon is a knob having a short shaft that extends into the escutcheon and terminates in a cam, the knobs being rotable about a common axis. One of the cams is spring-biased and so shaped as to maintain the related knob at a rest position, whereby when the knob is turned in either direction to unlatch the door, when released the knob will be returned to its rest position. The cams are bridged by a pair of pins that are offset with respect to the common axis, and when a knob is turned, the pins then travel in a circle concentric with the axis.

Abstract: A cylindrical door lock set includes inner and outer knob supporting plates, a turning mechanism, an annular mounting plate and a latch unit. The outer knob supporting plate has a central hole and an inner side provided with a pair of posts on two sides of the central hole. The posts are hollow and are threaded internally. The turning mechanism is supported on the inner side of the outer knob supporting plate and is provided with a turn shaft. The annular mounting plate is secured on the inner side of the outer knob supporting plate and is formed with a pair of mounting shafts and a central hole to permit the turn shaft of the turning mechanism to extend therethrough. The latch unit is formed with a shaft engaging hole to permit the turn shaft to extend therethrough, and two side holes disposed on two sides of the shaft engaging hole in a lengthwise direction of the latch unit to receive respectively the mounting shafts. The latch unit is disposed between the posts of the outer knob supporting plate.

Abstract: A lockset 20 includes an interior knob 24 mounted on an insert 26 and an exterior knob 62 mounted on an insert 64. A rose liner 30 and a cover 58 are mounted on the insert and provide a spaced bearing support for an interior assembly including knob 24. A rose liner 70 is mounted on insert 64 and combines with a security shield 146 and bearing 148 to provide a spaced bearing support for an exterior assembly including knob 62. Knob 62 is assembled with insert 64 through dimples 164 and projections 168 to allow slippage of the knob on the insert upon the application of excessive force without destruction of elements of lockset 20.

Abstract: An integral door knob assembly for mounting on a face of a door has a spring return so that the door knob rotates to one position when released. A shank formed integral with or attached to the door knob is formed of plastic material eliminating the requirement of a separate plastic bushing in the rose member, and has flexible fingers to provide a snap lock between a spring assembly member and the end of the shank to hold the knob assembly to the rose member. The spring assembly member is also formed of plastic material and has sufficient flexibility to allow a torsion spring to be inserted and removed.

Abstract: An inner bearing plate unit of easy assembling for a lock comprising an inner bearing plate, an inner plate and a position plate, to be assembled with an outer bearing plate, said inner bearing plate and said inner plate being assembled together tightly sandwiching the position plate rotatable therein, said position plate having two opposite gourd-shaped holes for two connecting posts of the outer bearing plate to pass through, and the heads of screws mounted at the ends of said posts being able to be made to be positioned through the large diameter sections of said gourd-shaped holes and to stick in the two opposite holes in the inner bearing plate, thus assembling the inner bearing plate unit with the outer bearing plate.

Abstract: An entrance handleset 20 is assembled on a door 22 and includes a handle 24 which is connected at an upper end to an upper rose 26 and at a lower end to a lower rose 28. A thumbpiece 30 extends from upper rose 26 just above the upper end of handle 24 to facilitate operation of a latch (not shown) which is assembled with door 22. At the juncture of handle 24 and upper rose 26, the handle is formed with a spherial face 26 recess 62 to permit swivel or universal adjustment of the handle relative to the upper rose.

Abstract: In a lock handle assembly, a lever handle has a rotary shaft to actuate a deadbolt which latches a door. The angular movement of the lever handle is limited by a mechanism including a rotary plate having radially projecting engaging members and mounted on the shaft, a fixed stop member to limit the forward movement of the rotary plate and a releasable stop member to limit the backward movement of the rotary plate. The shaft of the handle is detachably mounted to a casing by being fitted in a sleeve which in turned is mounted to the casing, thereby facilitating the replacement of the handle of the assembly.

Abstract: A shaft of a door handle to be installed in a door includes a limited length threaded segment for engaging a commensurately threaded rose to effect penetration and subsequent threaded disengagement therebetween. The threaded disengagement permits relative rotation without axial displacement and axial withdrawal of the shaft is prevented due to interference between the threaded segments. Upon positional locking of the rose with the door and mating of the door handle with a door bolt, the resulting limited relative rotation between the door handle and the rose in combination with the axial displacement limited by the interfering thread segments prevent threaded disengagement and removal of the door handle.

Abstract: A door latch assembly for a door in which the latch assembly has a member which is transparent or translucent to allow light to pass therethrough and being operable to support a door knob structure.

Abstract: A dog for latching a watertight door in the bulkhead of a ship, has a lubricant passage with a plug useful for forcing a grease pellet into the passage. The plug extends beyond the end of the spindle for the user to clamp a wrench for removing the plug from the spindle. The dog has two nuts mounted on the end of the spindle. One nut is a conventional nut for fastening the spindle to the bulkhead. The second nut is a cap nut for at least partially enclosing the threaded plug.

Abstract: A locking prevention apparatus for attachment to the locking shaft of a passage lock door knob assembly for an interior door consists of a split ring of substantially rigid material which engages circumferentially the external surface of the locking shaft between the interior door knob and the interior face plate of said door knob assembly to limit translational motion of the interior door knob along the locking shaft toward the interior face plate.

Abstract: A cylindrical lock on a door panel has an outside actuating lever and an outside nut. Torque from both the nut and the outside lever is transferred to a substantially planar torque plate engaging the door panel and having a central opening bounded by arcuate edge surfaces spaced away from external threads on the lock hub. The central opening is also bounded by chordal edge surfaces disposed next to chordal surfaces on the lock hub. The nut has chordal surfaces next to the chordal surfaces of the torque plate and has arcuate surfaces close to the arcuate surfaces of the torque plate, all of such surfaces being in the plane of the torque plate.

Abstract: In a door handle assembly (1), by which a door handle (2) is journalled through a ball bearing (5) with respect to a mounting plate (8) secured on a door (10), the inner race (6) of the ball bearing being secured in the inner end of the door handle (2), the door handle (2) is directly connected to the inner race (6) by means of a threaded connection (3, 4), a bayonet coupling or the like, and is secured against rotation with respect to the inner race (6) by means of the door handle pin (14), which is passed through a mating hole (13) in a plate or a locking ring (11) which is secured to the inner race (6).

Abstract: A door latch assembly in which thrust roller bearings are placed between the handles and escutcheons and axially loaded to eliminate all axial play of the handles relative to the escutcheons.

Abstract: A method of retaining Mortise Lock knobs and levers wherein a threaded male journal is provided on the knob or lever which co-acts with a female threaded nut whose outer diameter becomes a journal bearing surface permitting rotation of the knob or lever. A shoulder is provided at one end of the female threaded nut which becomes the retainer for the lock rose bushing. The shoulder end of the female threaded nut is perforated at its center line with an internal star-shaped hole which in turn accepts a standard square spindle which also co-acts with a square hole provided in the knob or lever.The center of the star hole being concentric to the centerline of the bushing, the centerline of the square spindle and the centerline of rotation of the knob or lever. The female threaded nut provides continuous clearance adjustment while the interaction between the star-shaped hole, the square spindle and the square hole in the knob or lever provides secure rotation of the knob or handle within the rose bushing.

Abstract: A fastening device for a door permits the actuation thereof by a handle, a locking element, or a key of normal kind. A bearing, fast to the wall of the door, can receive either a standard shaft, or a lock cylinder, or again a shaft having a head of particular shape, each of these three members being associated with a same operating handle and a same bolt.

Abstract: A lockset having a rim mounted latch bolt and a dead bolt arranged in side-by-side relation on a door for engagement within side-by-side openings in a common strike. The dead bolt projects from an edge of the door and is operated from the inside by a turnpiece assembly and from the outside by a key operated lock cylinder mounted in fixed position relative to the door. Inside and outside lever handles journalled for limited angular movement on the turnpiece assembly and on the lock cylinder, respectively, operate the latch bolt from the inner and outer side of the door. The turnpiece assembly is connected to the lock cylinder and the inside lever handle is connected to the outside lever handle through a single transverse bore formed in the door. The present lockset may be installed on a door to replace a cylindrical lockset of key-in-knob type having a single latch bolt without boring an additional hole in the door.