Abstract: An improved bolt dock for a door lock and particularly a bolt dock capable of locking automatically when the door is closed and preventing the bolt from deforming mainly consists of an upper bolt set and a lower bolt set covered by a lid to couple with an inner handle and an outer handle to be installed on a door. The bolt dock thus made can achieve safe locking and increase the durability of the door lock.

Abstract: An improved bolt dock for a door lock and particularly a bolt dock capable of locking automatically when the door is closed and preventing the bolt from deforming mainly consists of an upper bolt set and a lower bolt set covered by a lid to couple with an inner handle and an outer handle to be installed on a door. The bolt dock thus made can achieve safe locking and increase the durability of the door lock.

Abstract: The present invention comprises a reversible, single bolt mortise lock assembly for hinged doors. The lock assembly combines live bolt and dead bolt functions utilizing only a single bolt. The invention further features a reversible lock assembly that can be opened by rotation of the door handle either clockwise or counterclockwise, and a dual slide lock system.

Abstract: A door latching mechanism includes a slide housed within a frame adapted for sliding motion of the slide within the frame and a spindle rotatably mounted to the frame and adapted to move the slide between a retracted and an extended position. A void is defined between an exterior surface of the frame and an interior surface of a cover housing the frame and the slide. An insert includes wings, which extend into the void and are positioned on opposite sides of the slide from each other.

Abstract: A window adapted to a dater has a screen hole adapted to be defined to correspond to lead numerals of the dater, two positioning seats oppositely formed to be detachable to the dater, and a patterned face formed on a bottom face thereof. The window is able to be detachably connected to the dater so as to allow replacement of the window for another patterned face for the dater.

Abstract: A door lock assembly having a first escutcheon assembly for mounting a latch mechanism. The escutcheon includes a plate having a through-hole, first and second post mounts formed on an inward facing side of the plate outside the through-hole, and first and second removable posts that are removably coupled to the first and second post mounts, respectively, such that they are removable without permanent alteration to the escutcheon. The latch mechanism includes a shaft coupled with the bushing, a torsion spring having two distal ends for centering an angular position of the, wherein the two distal ends rest against a stop formed on the inward facing side of the escutcheon, and wherein at least one distal end is engaged with the off-centered protrusion of the bushing. The bushing may also include an ear protruding radially for engagement with a penannular portion formed in the through-hole of the escutcheon.

Abstract: A lock for a door comprising a casing, a bolt operable to extend from or retract into the casing and manually operable bolt retention means to retain the bolt in its retracted state even when an automatically operating bolt holding member is released by inwards movement of a bolt release member. The bolt retention means comprises a snib having a part receivable in an opening in the bolt when the bolt is manually moved into the case from its normally retracted position. Once the snib part is in the opening and the inwards force on the bolt removed, the spring acting on the bolt moves the bolt to its normally retracted position, where it is then retained by the snib. To release the retention, the bolt is again moved further into the case, whereupon the snib part is moved clear of the bolt opening under spring bias, and the unretained bolt is moved by its bias to its normally retracted position.

Abstract: A tubular latch is provided which includes a case, a bolt, a hub rotatably mounted within the latch case to receive a door handle shaft, a cam integral to an outer surface of the hub and having a driving surface wherein rotational movement of the hub causes the driving surface to rotate with the hub, and a slider member movable, by the cam, from a first axial position in the latch case wherein the slider member is in an extended position to a second axial position wherein the slider member is in a retracted position. The latch further includes a latch spring adjuster plate moveable axially within the latch case that is adjustable and securable to a desired axial position within the latch case, and a slider member spring for biasing the slider member away from the latch spring adjuster plate.

Abstract: An adjustable button mechanism for a lock includes: a driving tube of a hollow tubular shape, having a first end and a second end, the first end connecting to a driving mechanism of the lock, the second end forming a positioning slot; a connecting member having a first end forming an axial hole and a second end; a protruding member formed at the first end of the connecting member and radially extending into the positioning slot of the driving tube; a button lever placed within the driving tube, and having a first end and a second end, the first end connecting to the driving mechanism, the second end being inserted into the axial hole of the connecting member; and a button placed on the second end of the connecting member, and either the connecting member or the button having an elastically supported lateral member, with the other containing a plurality of holes for selectively receiving the lateral member.

Abstract: A door latch has an adjustable cam (25) to accommodate two backsets of the bore (24) through a door. The cam (25) is operably attached to a handle 14. Rotation of the handle (24) approximately 45° fully retracts latch bolt (54) and deadbolt (56) through a slide actuator (100) that pulls a link (112) which pivots a cam lever (104) that retracts the bolt (54). The bolt (54) retracting motion is magnified with respect to the motion of actuator (100) via the link (112) and cam lever (104). The link (112) and cam lever (104) are mounted within cylinder section half (52) of housing (28) so as not to interfere with the deadbolt (56) and its slide (150) and deadbolt locking plate (170) that are mounted in a complementary cylinder half (51).

Abstract: An electronic device cabinet for an electronic device is provided with a cover and an engaging member that holds the cover in a closed state. The engaging member has an integrally formed impelling member that acts upon the engaging member and furthers the interengagement with said cover. The integrally formed engagement member and impelling member can be attached to the cabinet in a simple maneuver, thereby simplifying the overall assembly of the electronic device cabinet.

Abstract: A motor vehicle door lock including a diode for operating an electric motor drive in one direction of drive rotation. To minimize the electric motor turning back against the direction of drive rotation in the off state, the diode is connected in parallel to the electric motor drive which provides essentially for short circuiting of the electric motor drive when it turns back. In this way, rebound of the electric motor drive is prevented or reduced.

Abstract: An anti-finger-catching system in which elastic sections are fitted to the edges of the leaves of doors and windows, and optionally to the edges of their frames to prevent the user's fingers from being accidentally caught between the frame and the leaf The leaf has, on its front edge, a closing mechanism, fitted with a retractable bolt, whose rear part has a slot running along it through which a driver passes transversely, the driver being connected to operating knobs. The bolt also has an intermediate stop with a spring acting on it and tending to keep it in its protruding position; and a front part that is longer than the thickness of the elastic section.

Abstract: A cassette intended for building up drawer cabinets, in which a drawer having a frontal piece is included, a lock is included in the drawer for locking of the same in the cassette. The lock includes a house located inside the frontal piece of the drawer and in connection with an opening therein, inside which house there is a spring-loaded plunger, which is movable vertically in relation to a hole in a bottom piece of the drawer, between a lower, locking position in which a free end of the plunger is behind and below an upper edge of a flange in a frontal frame of the cassette, and an upper, opening position in which the free end of the plunger is located above the flange and goes free therefrom. By the location thereof in the bottom part of the drawer, the lock guarantees that heavily loaded thereby deformed drawers do not risk to unintentionally be pulled out from the cassette.

Abstract: A door latch has an adjustable cam (25) to accommodate two backsets of the bore (24) through a door. The cam (25) is operably attached to a handle 14. Rotation of the handle (24) approximately 45° fully retracts latch bolt (54) and deadbolt (56) through a slide actuator (100) that pulls a link (112) which pivots a cam lever (104) that retracts the bolt (54). The bolt (54) retracting motion is magnified with respect to the motion of actuator (100) via the link (112) and cam lever (104). The link (112) and cam lever (104) are mounted within cylinder section half (52) of housing (28) so as not to interfere with the deadbolt (56) and its slide (150) and deadbolt locking plate (170) that are mounted in a complementary cylinder half (51).

Abstract: An improved exit alarm lock including a push pad moveable between an extended position and a depressed position; a pivotable first bell crank, a first end of the first bell crank being connected to a first end of the push pad; a pivotable support connected to a second end of the push pad; and a deadbolt moveable between a retracted position and an extended position, a second end of the first bell crank directly engaging the deadbolt, whereby when the push pad is moved to the depressed position, the push pad pivots the first bell crank, the first bell crank second end contacts the deadbolt and moves the deadbolt from the extended position to the retracted position.

Abstract: A drawing plate structure of a latch of an auxiliary lock includes a drawing plate having a top portion extended toward one side, thereby forming a top flat portion. A lock tongue is provided with a slot, and the top flat portion of the drawing plate is inserted into the slot of the lock tongue.

Abstract: A motor vehicle door lock including a diode for operating an electric motor drive in one direction of drive rotation. To minimize the electric motor turning back against the direction of drive rotation in the off state, the diode is connected in parallel to the electric motor drive which provides essentially for short circuiting of the electric motor drive when it turns back. In this way, rebound of the electric motor drive is prevented or reduced.

Abstract: A control handle for a lock for doors or windows which is unlocked by a rotating movement of an angular pin, onto which a handle—with a corresponding cavity in its body—is pushed and keyed in or fixed.

Abstract: A bi-directional handle and latch assembly mountable to a door or other closure. The latch assembly may be operated by either of a first handle or a second handle. The first handle may operate a latch bolt in the latch assembly by rotating the handle in either the clockwise or the counter-clockwise direction, and operate the latch bolt irrespective of whether or not the second handle is locked. The invention employs a simple construction for ease of manufacture, repair, and replacement of the first handle with other handles with different aesthetic or functional outer designs or configurations.

Abstract: A sterilization container for medical instruments includes a receptacle with a bottom wall and an open top, there being a multiplicity of vent openings in the bottom wall. The receptacle has a cover movable between a closed position wherein the cover closes the open top of the receptacle and an open position wherein the cover is positioned to allow access to the interior of the receptacle. A filter sheet is positioned in the receptacle so as to cover the bottom wall and the vent openings therein and the receptacle contains one or more trays for supporting medical instruments above the filter sheet. A perforated highly thermally conductive plate is positioned between the trays and the filter sheet so that when steam enters the container through the vent openings during steam sterilization, it heats the plate to a temperature sufficient to revaporize steam condensate collecting on the plate. The internal structure of the container is also disclosed.

Abstract: A latch bolt assembly of a lock includes a casing, a transmission device mounted in the casing, and a latch bolt device. The latch bolt device includes a latch bolt, a transmission member having a first end secured to the latch bolt to move therewith and a second end actuatable by the transmission device, and a reinforcing plate. The latch bolt including a cavity for receiving the first end of the transmission member. The reinforcing plate is inserted into cavity to fill a spacing between the transmission member and the latch bolt, thereby securely retaining the first end of the transmission member in the cavity of the latch bolt.

Abstract: A bi-directional handle and latch assembly mountable to a door or other closure. The latch assembly may be operated by either of a first handle or a second handle. The first handle may operate a latch bolt in the latch assembly by rotating the handle in either the clockwise or the counter-clockwise direction, and operate the latch bolt irrespective of whether or not the second handle is locked. The invention employs a simple construction for ease of manufacture, repair, and replacement of the first handle with other handles with different aesthetic or functional outer designs or configurations.

Abstract: A novel glove-box door handle and latch mechanism is disclosed, having a housing member, a handle member, and an actuator member. The housing member is mounted inside of the glove box door, and the handle member includes an axle member which is pivotally mounted to the housing member. The actuator member is slidably disposed in the a channel inside of the housing member, and the handle member engages the actuator member to slide it between its open and closed positions. The handle member includes a pull member and arcuate extension arms connecting the pull member to the axle member to provide greater flexibility to the styling of the pull member. The arcuate extension arms include reinforcing ridges to minimize the necessary material while maintaining their structural rigidity.

Abstract: A latch secures a first member such as a door panel against a second member such as a corresponding frame. The latch comprises a housing for mounting in the first member, a pawl adapted for engaging a keeper in a latched position on the second member and latch actuating means for selectively moving the pawl into a position away from the keeper in order to allow the first member to be opened.

Abstract: A simple and low cost locking mechanism that is unlocked by a simply configured key while protecting against tampering through limited access and unique geometry. Access is limited by a spin bushing that guards access to a cam twister having a keyhole with a unique star geometry.

Abstract: An adjustable lock latch is composed of a main body, two fastening plates, two rotary wheels, and a handle. The main body has two action rods provided with a projection. The fastening plates are provided with a first position confining hole and a second position confining hole. The rotary wheels are provided with a through hole and a moving block engageable with the projection of the action rods of the main body. The handle is engageable with the through hole of the rotary wheels and with the first position confining hole or the second position confining hole of the fastening plates, so as to actuate the moving block of the rotary wheels.

Abstract: A lock assembly comprising a housing, a control mechanism, one pin or two pins supported by the housing for shifting movement of the pin or of the two pins in a direction transverse to direction of movement of the control mechanism between a locked position and an unlocked position and a spring for each pin for enhancing the shifting movement of the corresponding pin toward the unlocked position and for automatically returning the corresponding pin toward the locked position upon release of the control mechanism. When the control mechanism is pushed manually, the pressure which is exerted upon pushing the control means compresses the spring around the pin or two pins which each shifts in a direction transverse to direction of movement of the control mechanism between the locked position and the unlocked position. Meanwhile, shifting of the pin or of the two pins permits the sliding of a cut-out section of the control mechanism until the pin or pins strike against the cut-out sections of the control mechanism.

Abstract: A latch mechanism which includes exterior and interior handle assemblies connected by a bar with a cammed surface such that the latch mechanism can be actuated by pushing, pulling, or turning a handle. Pushing or turning the exterior handle causes the bar to contact a cam follower on a receiver whose edge will rotate a lever to retract a bolt. Also, pulling or turning the interior handle produces the same result. Once the bolt is retracted, and the handle is released, a spring biases the bolt back to the extended position.

Abstract: A lock assembly of a door preparation includes at least one spring latch member which is spring biased within a door jamb bore between an extended position and a retracted position in which the spring latch member, when the door is being opened, engages a strike plate of the door jamb and is moved inwardly within the door preparation for allowing the door to be opened. A dead bolt, which operates independently from the spring latch member, is movable between a retracted position in which it is within the door preparation and an extended position in which it is extended within the door jamb bore for locking the door. A projecting pin is movable between a first position in which the projecting pin is disposed generally between the spring latch member and dead bolt and a second position in which the pin projects laterally outwardly from a peripheral edge of the spring latch member when the dead bolt is moved to its extended position to engage the strike plate.

Abstract: A latch mechanism includes a housing containing a force transfer member. At one end of the force transfer member, a first cam mechanism is provided which is intended to be rotated by an actuator handle. At the other end of the force transfer member, a second cam mechanism is pivotably mounted to the housing and is pivoted through movements of the force transfer member responsive to rotations of the first Cam mechanism. The second cam mechanism is coupled to a latch bolt so that rotations of the first cam mechanism will result in movements of the latch bolt. The improved latch mechanism is designed to permit complete retraction of the latch bolt through rotation of the first cam mechanism by less than one-twelfth of a revolution, in either direction of rotation.

Abstract: A snib mechanism for a door latch assembly includes a body, and a rotary member disposed in or on the body and adapted to be engaged and rotated with a door knob spindle. A snib member is mounted on the body for movement between a snibbing position in which the first rotary member is snibbed against rotation and a freeing position in which the first rotary member is free to rotate with the door knob spindle. The body includes a cover plate and the mechanism further includes press-button means associated with the snib member. The press-button means is exposed through an opening in the cover plate and is manually operable by pressing inwardly of the cover plate to set the snib member at the snibbing position.

Abstract: A latch assembly wherein a retractor member conjointly lowers a stop which is preventing latch bolt retraction and rotates a cam which will retract the bolt. A deadlatch bolt stop, which limits the forward displacement of the deadlatch bolt relative to the latch bolt, can be brought into engagement with the latch bolt since it can deflect the stop, which is preventing latch bolt retraction, down out of its way.

Abstract: A single-point latch for a door, having a housing, a bolt mounted in the housing for sliding along a first axis, an actuator mounted in the housing for sliding along a second axis perpendicular to the first axis, and first and second handles mounted in the housing for sliding along a third axis perpendicular to the first and second axes. The latch further includes a first spring arrangement carried in the handles for urging the handles apart, with the handles and the actuator having first interengaging cam surfaces for moving the actuator along the second axis by movement of the handles along the third axis toward each other, the actuator and bolt having second interengaging cam surfaces for moving the bolt inward into the housing along the first axis by the movement of the handles along the third axis, and a second spring carried in the housing for urging the bolt outward from the body to a latched position.

Abstract: A device for operating a linearly activated door latch including exterior and interior knob assemblies connected by a threaded rod. Pushing the exterior knob causes the rod to move towards the door and the cam on the rod will contact the cam follower on the receiver whose tab will rotate the lever to retract the bolt. Once the bolt is retracted and the door is open, a return spring wil bias the bolt back to the extended position.

Abstract: A flush handle assembly itself and a stationary frame 36 can be prevented from being damaged even when a door 35 is opened and closed in a condition in which a front end of a latch 30 is projected from the door 35. In the assembly: a handle 9 has its base end pivoted to side walls 3 of a casing 1 through a pivot 18; a leaf spring 19 keeps the handle 9 in position and urges the same to be projected from or retracted in the casing 1; the latch 30 is received in a latch casing 24 and is urged by a spring 33 to move forward; a control projection 17 of a rear surface of the handle 19 is abutted on an oblique-plate portion 32 of a side surface of the latch element 30; the projection 17 of the handle 19 is moved back and forth as the handle 19 is projected or retracted, so that the latch 30 is slidably moved horizontally along guide portions 28, 29 of the latch casing 24.

Abstract: A door lock includes a dead bolt slidably received in a lock case and having a pair of extensions extended outward beyond the lock case. A pair of plates are fixed to the lock case and each has an oblong hole. An actuating wheel is slidably engaged in the oblong holes and includes a pair of teeth for engaging with the extensions. A board is disposed between the plates and has two bulges for forcing the actuating wheel toward one of the plates so as to retain the actuating wheel in place. A resilient member has a throat portion for positioning the actuating wheel in either end of the oblong holes.

Abstract: A new latch assembly for a vehicle glove box door, or other locking device, wherein the door is to be held in a flush position relating to an adjoining panel surface. The latch assembly includes a freewheeling locking feature, an actuator member which is not sensitive to the striker positional variance, improved low handle opening effort. The latch assembly also include improved lock cylinder loading, and improved closing efforts by use of a molded urethane bumper. The latch assembly also has improved styling with a single color throughout using no metal parts which need lubrication, and the latch assembly unit is fully enclosed so that no moving parts are visible and the scorpion tail has been not used.

Abstract: A dual function lock mechanism includes a body (30,32), and a cam member (34) mounted on the body for rotation about an axis. A retractor (36) is adapted to drive a latch bolt and is supported for sliding movement transversely with respect to the axis. Means is provided to slide the retractor in a first direction to retract the latch bolt from a latch position to a release position. By virtue of respective cooperable mutually engageable formations (41,72) on the cam member and on the retractor means, a predetermined first rotational movement of the cam member is effective to slide the retractor in a direction opposite the said first direction to move the latch bolt from the latch position to an extended lock position, and a predetermined opposite rotational movement is effective to return the latch bolt from the lock position to the latch position. Detent means (64) is provided to engage and thereby normally prevent the retractor from moving the latch bolt from the lock position to the latch position.

Abstract: A locking device is provided for a retractable support member for mobile machines and the like. The support member is movable between a retracted transport position and an operating support position. The locking device includes a locking bolt moveable between a locking position, an unlocking position, and a release position with the bolt being biased toward the locking position. An actuating member moveable between first and second end positions is provided for engaging a driving element extending from the locking member such that the locking bolt can be moved from the locking position to the unlocking position when the actuating member is moved from the first end position to the second end position. An engagement and guide member is connected to the support member and includes two locking surfaces engagable with the locking bolt for locking the support member in the transport and operating positions.

Abstract: The latch or bolt (4) of a door lock is engaged and driven by a finger (24) on a control arm (22), pivoted on a pin (20) fixed to the case (12) of the lock. The control arm is driven by a cylindrical sliding member (36) engaging a tab (32) thereof; this member in turn is driven against a spring action (40) along a fixed guide shaft (38), which is coaxial to it, by a control lever (42) hinged on a fixed pin (44) in the lock case, whose axis intersects the axis of the cylindrical sliding member. Control lever head (42') is sufficiently extended to engage two diametrically opposite parts of the cylinder, in rest position.

Abstract: An adjustable backset deadbolt has a casing formed of a sleeve assembly and a rear case. These two elements are independently adjustable to two different backset positions. A deadbolt is movable within the sleeve assembly between extended and retracted positions. There is a swivel rotatably mounted in the rear case and connected by a retractor to a pair of spaced adjustable backset openings in a rearward extension of the deadbolt. Rotation of the swivel provides translational movement of both the retractor and the deadbolt between the extended and retracted positions. The backset adjustment of the deadbolt is brought about by moving the retractor to one of two openings in the deadbolt extension and this adjustment is independent of the adjustment of the backset length of the casing.

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 link, used to allow retraction of the latchbolt against the bias of a spring, is formed of a fusible material to insure that, in the presence of intense heat, the link will melt and will no longer override a deadlocking pawl to allow the latchbolt to be withdrawn.

Abstract: A door latch assembly (10) includes a latch bolt mechanism (60) having a bolt (62) movable between a door latching position and a door unlatching position. Assembly (10) further includes handle lever (16) and (36) at opposite ends of a square spindle 64. An adapter 68 is attached to spindle 64 and engages cam surfaces 158 and 160 of a slide 142 within mechanism (60) to facilitate movement of bolt 62 when either of the levers (16) or (36) are operated.A locking plate 44 is attached to spindle 64 for movement therewith and is formed with a peripheral notch 138. A locking dog 48 is selectively positionable within notch 138 to prevent rotation of spindle 64 and movement of bolt 62 when an attempt is made to operate either of the levers 16 or 36.A stop plate 230 is also mounted on spindle 64 for rotation therewith and is positioned to engage fixed stems 28 to preclude attempted movement of either of the levers 16 or 36 in an upward direction but permits downward movement thereof to facilitate movement of bolt 62.

Abstract: A latch unit having a cylindrical housing consisting of two half portions for containing a latch bolt, a moving member to retreat the latch bolt and a recovering member to push the latch bolt forward to an original position in which the latch bolt extends out of the housing.

Abstract: A rod casing for activating vertically arranged latch bolts, the casing and latch bolts arranged in an active stile of a door and engageable to a door frame. The rod casing provides a vertically slidable actuator cam engageable by both a lock/unlock actuator and a delatch or dogging actuator. The lock/unlock actuator and the delatch actuator are rotatably mounted upon a spindle piece which itself is rotatable by a user such as by a key-activated lock cylinder. The lock/unlock actuator when rotated slidingly abuts the actuator cam and drives the actuator cam vertically upward to cause unlatching of the latch bolts. The delatch actuator, upon rotation of the spindle piece in an opposite direction underlies the actuator cam and dogs the actuator cam in its vertically risen position. To deactivate the delatch actuator, the lock/unlock actuator can be rotated to interfere and displace the delatch actuator to release the actuator cam from the dogging position.

Abstract: A door latch having an adjustable backset position which allows it to be used in doors having either a 23/8" backset or a 23/4" backset. The latch includes a latch housing having a pair of aligned openings comprising two longitudinally spaced apart openings in communication with each other via a relatively narrow passageway. A cam is movable between the two openings through the passageway to adjust the backset. The cam cooperates with a retract slide which is engaged at its front end with the latch bolt to retract the latch bolt. The retract slide contains two sets of teeth at its back end, one set of teeth being engaged by the cam when it is in a first backset position and the second set of teeth being engaged by the cam when it is in a second backset position.

Abstract: A cylindrical lock assembly (20) includes an inside subassembly (22) and an outside subassemlby (24) which are assembled with a door (326). Each subassembly (22,24) includes a rose liner (26,38), a return spring cassette (28,40), a rose (30,42), a lever (32,46) and a lever insert (34,48). The inside subassembly (22) also includes a turn button (36) and the outside subassembly (24) includes a cylinder lock (44).A pair of sleeves (168,170) extend from opposite sides of the chassis (50) and are each formed with three slots which facilitate mounting of the levers (32,46) and the cylinder lock (44) thereon.

Abstract: A cylindrical lock assembly (20) includes an inside subassembly (22) and an outside subassembly (24) which are assembled with a door (326). Each subassembly (22,24) includes a rose liner (26,38), a return spring cassette (28,40), a rose (30,42), a lever (32,46) and a lever insert (34,48). The inside subassembly (22) also includes a turn button (36) and the outside subassembly (24) includes a cylinder lock (44).A pair of mounting blocks (258,260) are contained within the chassis (50) to facilitate threaded connection of the chassis to the rose liners (26,38) which are assembled on respective sides of the door (326) and thereby provide an anti-rotation mounting for the chassis.