Abstract: In a vehicle door, a latch engages with a striker and a ratchet engages with the latch, so that the door is closed. In a vehicle door latch device, an inside operating lever and a childproof lock mechanism are disposed between a cover and a casing. To connect the childproof lock mechanism to the casing, the inside operating lever is held in an assembling position and the childproof lock mechanism is held in its locking state or in its unlocking state.

Abstract: A tilt latch system that comprises an actuator movable from a first position to a second position; a lock-out member movable from a retracted position to an extended position upon movement of the actuator from the first position to the second position; and an engagement member movable from an engaged position to a disengaged position upon movement of the actuator from the first position to the second position is provided. The actuator and the engagement member are maintained in the second and disengaged positions, respectively, when the lock-out member is in the extended position. The actuator and the engagement member are automatically biased to the first position and the engaged position, respectively, upon movement of the lock-out member from the extended to the retracted position. The tilt latch system may further comprise a lock-out device and/or be optionally utilized in a modular configuration.

Abstract: A locking device for locking a leaf of a leaf installation has first and second locking elements with respective first and latching elements. The second latching element is located at an end facing the first latching element and capable of a latching operative engagement with the first latching element. The second locking element is stationarily disposed relative to the leaf installation. The first locking element is disposed with regard to the leaf to move correspondingly to a movement of the leaf, so that the first locking element is moved translationally into a locking position towards the second locking element and away from the second locking element into an unlocking position. One of the locking elements has an activating element operable to allow for the latching operative engagement between the latching elements in a blocking position and to prevent the latching operative engagement in a release position.

Abstract: The invention describes a remote-actuable door opener for installation in a door having a preferably positionally fixed door frame and having a door leaf movably mounted thereon. The door leaf has a movable door opener catch (1) and a remote-actuable blocking device (2) which interacts directly or indirectly with the door opener catch (1) in such a way that the door opener catch (1) can be switched into a blocking position and into a release position. It is essential that an actuating device (200) is provided which automatically sets the door opener catch (1) into a position in which the door opener catch (1) abuts against the lock catch (90) in the closed position of the door. Here, the door opener catch (1) is in particular formed from a bearing body (110) and from a catch body (10) which is displaceably guided on the bearing body and which is driven by the actuating device (200) in the direction of the actuating movement.

Abstract: A motor vehicle door lock, comprising a locking mechanism (3, 4) and a closing/opening device (5 to 8), containing at least a drive (5) and a lever actuating mechanism (6, 7, 8), wherein the lever actuating mechanism (6, 7, 8) in its engaged position is held by a non-actuated triggering lever (10) and it assumes its disengaged state upon activation of the triggering lever (10).

Abstract: An apparatus for controlling an opening/closing body for automatically opening/closing the opening/closing body. The apparatus includes a displacement body movable and displaced between movable regions including a closing region, a releasing region and a neutral region, a neutral detecting first switch configured to output a first detection signal in response to passage of the displacement body through a first boundary portion of the neutral region, a neutral detecting second switch configured to output a second detection signal in response to passage of the displacement body through a second boundary portion of the neutral region, and a control unit for effecting braking control for reducing the moving speed of the opening/closing body if neither the first detection signal nor the second detection signal are detected within a predetermined period after starting of a neutral returning movement which is effected after a latch closing movement of the opening/closing body.

Abstract: A closure lock, in particular to a lock for a cover of a laboratory centrifuge and a housing of the laboratory centrifuge. The closure lock provides a particularly effective, loadable and safe lock which is not only actuatable through a power drive, but which also provides robust self blocking with respect to strong vibrations and high crash energies.

Abstract: A latch for an electrical device enclosure, wherein the latch comprises a moveable member operable in response to high pressure conditions inside the enclosure, and is configured to prevent opening of the enclosure in the event of high pressure conditions inside the enclosure.

Abstract: A sash window restrictor (20) has a housing (22) which is to be let into a vertical frame member (10) of one sash (normally the upper, outer sash) of a window, at a position, say, 10 cm above the top rail of the lower sash when the windows are closed. A tab (24) is mounted in the housing and can be retracted into the housing or extended from the housing. A mechanism acts between the tab and the housing and allows the tab to be pressed into the housing and held in the housing for a period of time before the tab is released to allow the tab to extend. With the tab extended, the lower sash (12) can be lifted until it reaches the tab (24) but no further, so that a 10 cm gap will be opened at the bottom of the window.

Abstract: The invention relates to a rotor (7) intended to be fastened in a lock stator by immobilizing means. According to the invention, the means for immobilizing the rotor (7) comprise a latch (11) having an elastically deformable protuberance (13) which is capable of engaging with an associated chamfered region (15) of the rotor (7) in order to immobilize said rotor in a mounting position.

Abstract: A door locking device for a household appliance is provided. The door locking device includes a base member that has a receptacle; a closing element on a door side that is moved into the receptacle when a door of the household appliance is closed; a control unit; an electrical switch that is switched over in a closed position of the closing element and via which an information signal signaling the closed position of the closing element is transmitted to the control unit; and an interlocking device to mechanically interlock the door. The mechanical interlocking of the door is facilitated in an interlock position of the closing element and the closing element is moved from the interlock position into the closed position when the door is closed.

Abstract: A cover structure for portable electronic device includes a rotating member, a cover, a retaining member and a main housing. The rotating member includes a head portion, a column and two wings projecting from the column. The cover defines a through hole allowing the column and the wings to extend through. The retaining member clasps the column to preventing the rotating member from getting away from the cover. The main housing defines a receiving hole. Two blocks and two slopes are formed in the receiving hole. The wings of the rotating member respectively rotate along the slopes to be locked by the blocks when the cover is attached to the main housing.

Abstract: A latch which is suitable for latching a window in a closed and sealed position. The latch has latch furniture 10 adapted to fit into a window section S with minimal protrusion from the section. The furniture includes a sealing lever handle 17 and a latch release handle 16 located in a recess 15 in the latch furniture. The latch further includes a latch mechanism 11 adapted to engage with the latch furniture 10. The latch mechanism 11 has one or more latch bolts 65 operable by the latch release handle 16 and a latch pin 41 engageable with a striker assembly which is mounted to a section of a window frame. The latch pin 41 is coupled to the sealing lever 17 whereby operation of the sealing lever 17 moves the window section S into a sealing position relative to the striker assembly.

Abstract: In a locking device for the bonnet of a motor vehicle, a guide device is arranged on the bonnet, whereby an element of the lock that consists of the locking hook and clip is in engagement with the guide device, and whereby when the bonnet is closed and locked, the latter can be displaced relative to the locking hook and the clip via the guide device.

Abstract: A compression latch comprises a latch housing with a driving end and a driven end and with a drive shaft which is rotatably supported between these ends and which has a driving device such as a socket wrench receptacle or gearing at the driving end of the latch housing. The latch housing, at the driven end, forms an annular surface around the axis of the drive shaft. According to the invention, the drive shaft has, at the driven end of the latch housing, a bearing journal whose axis has an angle of approximately 45 degrees relative to the axis of the drive shaft, and the base of a rotary latch is supported on the bearing journal, this base (30) forming an annular surface around the axis of the bearing journal, and two annular surfaces roll on one another by frictional engagement or positive engagement when the drive shaft is rotated.

Abstract: A juvenile product includes a frame with a rail, the rail including first and second rail sections, a latch assembly coupling the first and second rail sections and configured to reside in a latched state for an in-use orientation of the rail, and an elastic bias element coupled to the first rail section or the second rail section and configured to be under tension in or near the in-use orientation such that the elastic bias element drives the rail away from the in-use orientation when the rail is near the in-use orientation with the latch assembly not in the latched state.

Abstract: A latch assembly for a central vacuum cleaner. The latch includes a buckle attached to a vacuum housing. The latch also includes a lower latch assembly having a bracket connected to and extending laterally from a dirt container, a locking member mounted on the bracket and being movable between a first position in which the a lock engages the buckle to prevent removal of the dirt container, and a second position in which the lock does not engage the buckle. At least a portion of the bracket is configured as a rigid handle adapted to be held by a user to remove and replace the dirt container. A button may be provided to operate the locking member, and a spring may be provided to bias the button to one position. A central vacuum cleaner incorporating a latch is also provided.

Abstract: The present invention relates to a locking system, particularly designed for flasks that comprise a set of containers that fit by the neck, wherein there is the need for a quite effective closure to ensure tightness. The system comprises a fitting neck associated to a container, wherein, when the flask is closed, there is contact between a lock and a counterlock, and further between a first and a second release projections and a first and a second fitting recess. Further, the present invention relates to flasks that comprise the locking system described above.

Abstract: This device for locking an opening part (9) of a jet engine nacelle with respect to a fixed part (7, 17) comprises: means (13, 16) for locking said opening part (9) with respect to said fixed part (7, 17), means for actuating (21) these locking means that are mounted such that they can move on said opening part (9) between a closed position, in which they enable said locking means (13, 16) to be immobilized, and an open position, in which they enable these locking means (13, 16) to be released. Said actuating means comprise gripping means (21). This device comprises means (41, 43) for immobilizing, in the open position, said gripping means (21) with respect to said opening part (9) at least in the direction of movement of said opening part (9).

Abstract: An electrically operable latch includes a housing and a latch member assembled with the housing for movement between an extended position and a retracted position. A blocker member is disposed in the housing and adapted to block movement of the latch member to the retracted position when the blocker member is in a first position, and to permit movement of the latch member from the extended position to the retracted position when the blocker member is in a second position. An actuator member is disposed in the housing and adapted to move the blocker member from the first position to the second position in response to an electrical signal supplied to the actuator member.

Abstract: An appliance with a main body portion and a pivot that allows the appliance to be pivotally mounted to a support structure so that it may be in a retracted position or a non-retracted position; said appliance having a handle portion with a first bolt recess located within said handle; and further comprising a lock body that in use is also attached to said support structure and that houses a first bolt that operably engages a first channel within said lock body; means of moving said bolt from a first position in which it is retracted within said body to a second extended position where it may engage said bolt recess and thereby lock the appliance in a retracted position against said support structure.

Abstract: A mechanical latch assembly for a retractable door or window system is described. The latch assembly includes a latch subassembly mountable between inner and outer door handles and a catch subassembly mountable on a support surface. When the retractable door or window is adjusted to a fully closed position, the latch and catch subassemblies may be releasably coupled together by engaging a latch and a catch bar. A safety catch may be optionally deployed for maintaining the latch in an engaged position. The latch subassembly may include a pair of rotatable cassettes and a corresponding pair of thumb levers for rotating the cassettes against the bias of a spring to move the latch from the engaged to a disengaged position. The latch may be disposed on one of the rotatable cassettes. The catch assembly may include optional brackets for mounting the catch assembly on a door jamb, pocket door frame, another door handle or other suitable support surface.

Abstract: An arrangement which has a hinged partition is proposed in order to close off a room against a fluid, in particular a flammable liquid, flowing into the room or out of the room. The hinged partition can be pivoted about an axis from a first position into a second position. A seal of sheet-like formation is connected to the hinged partition and a frame. At least one screening means is provided in the side regions of the seal and of the hinged partition, this screening means protecting the seal against increased levels of heat.

Abstract: A latch is provided for use on a pivotable sash window of a single-hung or double-hung sash window assembly to releasably secure the window to the master frame. The latch comprises a latch-bolt slidably mounted within, and biased relative to a housing. The housing is adapted to be installed into the top rail of the sash window through an opening in the stile and top rail, which has a periphery contoured to match the housing end profile. The latch bolt, while maintaining an aesthetically appealing external appearance, is configured to incorporate a cantilevered member which only becomes visible when biased to an angled position where it maintains engagement of the latch housing with the edge of the top wall of the rail during window deformation resulting from high wind loading. The cantilevered member ensures integrity of the latch installation under high wind load conditions typically experienced during extreme weather phenomena.

Abstract: A lock assembly portion may include a housing assembly, first and second latches, at least one latch drive, and at least one actuator. The housing assembly includes a first end portion and an opposite second end portion. The first latch is associated with the first end portion. The second latch is associated with the second end portion. The at least one actuator interfaces the latch drive to the first and second latches. Operation of the latch drive causes the first and second latches to move relative to one another between respective extended and retracted positions.

Abstract: A door latching system according to the invention is substantially conventional save in having a circular face plate (and corresponding striker plate) rather than the conventional rectangular form. A counterbore 34 of diameter D2 and depth T is drilled in the stile 10 of the door to receive the (circular) face plate. A bore 32 of diameter D1 and length L is drilled in the stile 10, concentric with the counterbore 34, to accommodate the body of the latch. Thus the latch is fitted with little or no chisel work.

Abstract: The invention is directed to a soft suicide prevention door. In one embodiment, the soft suicide prevention door includes a door frame formed of a tubing component, a fabric material disposed on opposed radial ends of the tubing component for forming a door body including an inner layer and an outer layer, a foam core component disposed between the inner layer and the outer layer, and, a hinge component attached to a side of the door body for forming a hinge when attached to a complementary attachment component attached to a door jam. The soft suicide prevention door is removable from the door jam when a predetermined weight is applied to release the hinge component from the complementary attachment component.

Abstract: An assembly is provided for opening a heavy weight door, such as on a military vehicle, by an occupant in the vehicle. The assembly includes a latch module with a catch and rotor adapted to engage and disengage the striker on the door frame, a blast lock module including a pawl adapted to engage and disengage the door frame, and a release handle module with a single interior handle for controlling the engagement and disengagement of the latch and blast lock modules. The three modules are pre-assembled on a carrier plate so as to form a rigid, unitary assembly for mounting on the inside of the door. When a person chooses to exit the vehicle, the handle is actuated so as to retract the blast lock and then release the latch. When the door is closed, a person inside the vehicle can actuate the handle so as to engage the blast lock for safety.

Abstract: A battery cover latching mechanism used in portable electronic device (10) is described including a cover member (11), a housing member (12), a latch base (14), a latch member (13), and a return member (15). The latch base can be securely attached to the housing member. The latch member is mounted on the latch base and movable relative to the latch base to latch the cover member to the housing member. The return member drives the latch member to move in such a manner that the movement of the latch member detaches the cover member away from the housing member.

Abstract: A power closing latch device for a door or lid in a vehicle, which device comprises a claw, a pawl and a striker. The pawl meshes with a safety recess and a lock recess of the claw in a safety position and a locked position. The striker is provided in a groove and rotates together with the claw, at closing of the door or lid. A spring is provided acting on the claw, which spring keeps the claw in the safety position, when the door or lid is partially closed. An electric motor rotates the claw between the safety position and the closed position. An additional spring acting on the claw, which additional spring exert a counterforce on the claw to prevent the claw to stop in an undefined position, between the safety position and the closed position during a power closing process. A method for power closing of a door or lid of a vehicle is also provided.

Abstract: An integrated latch dish device including a latch with a translatable bolt for engaging a strike and a two part recessed dish having a lower first part and an upper second part adjacent to the lower first part, the lower first and upper second parts of the recessed dish each having front and back sides and cavities on each of the front sides, the latch pivotally mounted in the cavity of the lower first part of the recessed dish, the upper second part of the recessed dish comprising the strike integral with the dish and adjacent to the cavity, the integrated latch dish device further including means for affixing the latch to the dish through the back side of the lower first part of the recessed dish to shield the means for affixing the latch from environmental elements while providing tension on the strike by exerting a force through the bolt in a direction opposite from the strike.

Abstract: A simply structured and smoothly operable latch device of a door in which a latch can be infallibly released by operating a handle from any of upper, lower, right, and left sides. The handle (1) having operation parts (1e) at the upper, lower, left, and right inner edges of the front opening part thereof is received in a handle receiving part (14) formed in a door (3) and having an opening in its front surface. The handle (1) can be moved to a non-operating position where the rear surface of the handle abuts on the rear end surface of the handle receiving part (14) or to an operating position where the handle (1) is tilted so that one of the upper and lower edges or one of the left and right edges is nearer to the person operating the handle (1) than the other.

Abstract: A window stop is provided. The window stop includes a housing defining a cavity and having mount structure. The mount structure is adapted to be mounted to a wall having a thickness between a range of thicknesses from a minimum to a maximum thickness. A bolt is mounted within the cavity and moveable between a retracted position wherein the bolt is substantially located within the housing and a locking position wherein the bolt extends from within the cavity. Also provided is means for releasably holding the bolt in the retracted position and biasing means between the housing and the bolt for biasing the bolt towards the extended position.

Abstract: The invention relates to a domestic appliance having a device for locking a movable closing element, especially a door, cover, flap, or similar on a household appliance, particularly a dishwasher. The locking device includes a closing hook or closing pin disposed on the housing of the household appliance that engages with an engaging section in the closing element during locking and can be made to disengage therefrom during unlocking. The engaging section is formed by a cavity in the closing element.

Abstract: A crate, such as for transporting egg cartons or other items, includes a base, opposed side walls and a rear wall extending upward from the base. A front wall opposite the rear wall is selectably moveable between a closed position and a retracted, open position. In the retracted position, access to the interior of the crate is provided. In one embodiment, the front wall includes a plurality of pivotably connected sections, such that the front wall can be retracted to provide access to the interior. A latch selectively prevents movement of the front wall to the retracted position.

Abstract: A latch with dual rotary magnets is disclosed. The latch is particularly suited for releasably securing dual doors of a compartment in the closed position. Each rotary magnet helps secure in a closed position a respective door that is provided with a magnetic insert. Hook-like rotary pawls that rotate with the magnets provide for mechanical securing of the doors in the closed position. The latch is provided with a safety feature that makes the latch resistant to opening in the event that the vehicle in which the latch is installed is involved in a collision.

Abstract: An improved latch incorporating adjustable backset and cylinder latch bolt assemblies, working in cooperation with a door handle, mounting rods and spindle. The backset latch includes novel configured inner and outer casing parts through which extend the mounting rods and spindle, and which sandwich therebetween an actuating plate and follower plate arrangement. The cylinder latch bolt further includes a novel subassembly including a bolt mounted in spring biasing fashion via a stem portion extending therefrom and interengaging the actuating plate to selectively retract the bolt into a cylinder shaped and interiorly open body.

Abstract: A storage system for use on a garage door includes at least one retaining device and at least one latching device. The retaining device is attached to one of two or more panels of a garage door and the latching device is spaced from the retaining device and is attached to one of an item to be detachably secured and the one of the two or more panels of the garage door. The latching device has at least an engaged position which detachably secures an item to the one of two or more panels of the garage door with the retaining device and a detached position which releases the item from the one of two or more panels of the garage door.

Abstract: A detachable side fairing for a vehicle in one form comprises a panel body that can include steps. An access opening is defined by the panel body and is opened and closed by a door, such as the riser of a step, to allow access to the rear of the panel. A latch actuator can be accessed through the access opening for use in operating a latch to allow movement of the panel body away from the vehicle. The latch actuator can comprise first and second actuators comprising respective first and second elongated handles that each actuates an associated latch to release the panel body. The handles can be configured to prevent closing of the door when the actuators have not been moved to a position that completes the latching of the panel body to the vehicle.

Abstract: A door opening/closing device includes, between a door operating lever and an open-door latch unit, a first connection link connected to the door operating lever and a third wire cable. One end of the third wire cable is connected to the first connection link and the other end is connected to the open-door latch unit to connect the first connection link and the open-door latch unit to each other.

Abstract: A bolt lock, especially for control-cabinet doors or similar doors or flaps. The lock comprises a flat-bar bolt that is mounted to move parallel to the edge of the door, preferably within the arc of swing of the door. Disposed on the flat-bar bolt is at least one locking section. A bolt holder is mounted on the frame of the door to receive and hold the locking section. An actuator is provided for longitudinal displacement of the flat-bar bolt between an unlocked and a locked position. To provide a more secure lock that cannot become stuck, there is provided that to form the locking section, at least a portion of a length of the flat-bar bolt is twisted about a longitudinal axis of the bolt such that the twisted portion is disposed at an angle to an orientation of the bolt and provides a locking surface. The bolt holder is provided with a catch that is disposed at the same angle relative to the bolt as is the locking surface, with the catch being adapted to engage over the locking surface.

Abstract: A door release device (10) includes a pivot bar (40) on which a push plate (44) and an actuator (48) are mounted. The actuator (48) is aligned with a door latch handle (20) and the fixed end of pivot bar (40) is pivotable about a pivot pin (42) carried in its associated mounting bracket (28b). The active end of the pivot bar (40) is freed to move within its associated mounting bracket (28a) by removal of the pivot pin (42) associated with bracket (28a). The door release device (10) is used by pushing on push plate (44) or pivot bar (40) to advance actuator (48) against door latch handle (20) to open the door. A method for securing door release device (10) to a door (12) includes securing the mounting brackets (28a, 28b) to door (12) with one end of pivot bar (40) positioned to align actuator (48) with door latch handle (20), and removing the pivot pin (42) from the mounting bracket adjacent to door latch handle (20).

Abstract: The present invention relates to a gate latch comprising an integrated latch/handle assembly, a mounting bracket, a return spring and a flat head shoulder bolt. The integrated latch/handle assembly is a flat bar section comprised of various radiused and right angled bends allowing the assembly to wrap around the leading edge of the fence gate with one of the bends forming the actual latch bolt. The ends of the assembly are bent to form handles which operate the mechanism, the handles having radiused ends. The mounting bracket is a flat steel bar section with two holes provided for attaching the bracket to the gate. The return spring is held in place by the shoulder bolt which attaches the handle assembly, mounting bracket and spring firmly together.

Abstract: The present invention relates to a device for fastening a first part to a stationary second part of a vehicle, wherein the first part is removably connected via a fastening means to the second part, wherein the fastening means comprises a spring element and the first part is coupled via the spring element to the second part.

Abstract: In a lock fitting for sliding closures the bolt-carrier has at least one slot to receive the tail of a bolt carrying at least one hook and includes at least one screwthreaded hole having an axis perpendicular to the walls of the slot to receive an immobilizing screw for immobilizing the tail of the bolt against the wall of the slot opposite the immobilizing screw. The tail of the bolt includes at least one opening extending in the longitudinal direction of the slot and the screw bears on at least one edge of the opening.

Abstract: A lock mechanism is provided which may actuate both a deadbolt and flush bolts in response to a single lock movement. The mechanism includes a dual element bolt throw and flush bolt actuator, which locks in place in the extended position if the end of the bolt is pressed inwardly. The throw includes a transfer mechanism which transposes the horizontal movement of the bolt to vertical movement at the flush bolts. The flush bolts also include a mechanism to limit retraction thereof if the extending ends of the flush bolt is exposed to inward directed force. The entire lock mechanism may be actuated by a standard cylindrical lockset having actuating jaws extending therefrom.

Abstract: A high security deadbolt assembly for a door which bolt has a housing extending from the edge of the door inwardly of the transverse bore between the door surface. A deadbolt is reciprocable in the housing and has a recess at its inner end. A cylindrical drive member is rotatively supported in the housing and is located with or is aligned with the deadbolt recess. The drive member carries a stop and is connected to the bolt by a linkage. When locked, a substantial portion of the length of the bolt remains engaged in the bolt housing and door so that attempts at forcing the bolt to the unlocked position are resisted by the stop which stop engages an internal surface of the bolt recess. The components are made from high strength materials and the deadbolt assembly may be retrofit to existing lock cylinders with a minimum of installation modifications.

Abstract: A method for automatically attaching a bolt for a mortise lock to its draw bar includes the steps of boring a hole longitudinally in the bolt on the axis of the bolt; drilling a hole, having a small diameter relative to that of the bored hole, transversely in the bolt to intersect the bored hole such that the drilled hole is tangent to the wall of the bored hole at its outer edge and intersects the bored hole at the midpoint of the depth of the bored hole; selecting a bar having a diameter which fits snugly in the bored hole; cutting a groove around the bar, the groove having a depth and width substantially equal to the diameter of the drilled hole, and being set back from a first end of the bar a distance substantially equal to half the depth of the bored hole; inserting the bar into the bored hole; and pressing a spring pin into the drilled hole.

Abstract: Coupling structure between a door lock and a door lock-actuator includes a pair of projecting arms disposed to an output shaft of the door lock-actuator and protruding radially, and two swing arms provided to a lock lever of the door lock and contacting with the respective projecting arms of the output shaft of the door lock-actuator. According to the coupling structure, the door lock-actuator can be coupled with the door lock without adjusting the positions of the output shaft and the lock lever with each other in advance and the work efficiency is improved for the installation.

Abstract: A method for automatically attaching a bolt for a mortise lock to its draw bar includes the steps of boring a hole longitudinally in the bolt on the axis of the bolt; drilling a hole, having a small diameter relative to that of the bored hole, transversely in the bolt to intersect the bored hole such that the drilled hole is tangent to the wall of the bored hole at its outer edge and intersects the bored hole at the midpoint of the depth of the bored hole; selecting a bar having a diameter which fits snugly in the bored hole; cutting a groove around the bar, the groove having a depth and width substantially equal to the diameter of the drilled hole, and being set back from a first end of the bar a distance substantially equal to half the depth of the bored hole; inserting the bar into the bored hole; and pressing a spring pin into the drilled hole.