Abstract: A mounting device of a sprinkler comprises: a main body provided with a pair of side plates and an upper plate disposed on upper portions of the side plate; a rail mounting portion formed at lower ends of the side plates and insertedly fixed to a support rail; a support bar fixing portion formed at an upper side of the main body, for supporting the support bar; and a locking member inserted in the side plates in a lateral direction, for preventing the rail mounting portion from being separated from the support rail.

Abstract: A device (1) for detachably connecting two abutting structural parts (2, 3) comprises a tie member (4), adapted to be at least partially inserted in a recess (5) formed in a first (2) of the structural parts (2, 3), and a locking element (6) operable to be disposed in a second (3) of the structural parts (2, 3) and to cooperate with an engagement surface (14, 45) of a rod member (10), slidably housed in a body (8) of the tie member (4), to pull the same towards the second structural part (3). The body (8) is provided with a first, expandable, portion (9) adapted to frictionally engage the recess (5) and with an engaging zone (13) cooperating with an expander region (12) of the rod member (10) operable to expand the first, expandable, portion (9) of the body (8) upon displacement of the rod member (10) relative to the same.

Abstract: A securing device for rear walls set in grooves of cabinet furniture exhibits at least one support element that can be placed in the angle area between the rear wall and a grooved sidewall and at least one other support element that can be placed in the angle area between the rear wall and a grooved shelf and/or top board. The support elements (10) exhibit contact sides that are each at a right angle to one another and diagonal to these contact sides a throughhole (12) for receiving a setscrew or a set pin. For purposes of easier handling and more reliable securing of the cabinet furniture elements, which are to be connected to one another in the corner area at an angle of 90 degrees, the at least two support elements (10) are integrated in one piece into the two legs (2) of a corner angle piece. At least one of the support elements (10) is formed at each of the legs (2) of the corner angle piece.

Abstract: A device for concealing a caulking joint formed between adjacent first and second surfaces comprising an elongated central strip having first and second edges and the strip having first and second sides; a first flap longitudinally connected to the elongated central strip along the first edge, the first flap having a first side adapted to be adhered to a first of the adjacent surfaces such that the first flap conforms to the first of the adjacent surfaces in a watertight manner; a second flap longitudinally connected to the elongated central strip along the second edge, the second flap having a first side adapted to be adhered to a second of the adjacent surfaces such that the second flap conforms to the second of the adjacent surfaces in a watertight manner; and the central strip being adapted to cover the caulking joint with the first side of the central strip facing the caulking joint when the first flap is adhered to the first surface and the second flap is adhered to the second surface, whereby the caulk

Abstract: A terminal for use with a muntin bar or cross includes a muntin bar and a terminal plug. The muntin bar has an end and an outer surface. The end of the muntin bar includes a hollow space and an inner wall. The terminal plug is adapted to be inserted into the end of the muntin and includes a flange, a plug body and a longitudinal slot. When installed in the muntin, the flange engages the outer surface of the muntin. The plug body is designed to provide a press fit with the inner wall of the muntin by having at least part of the plug body being pressed against the inner wall of the muntin.

Abstract: A connector for interconnecting two building members together. The connector, in one embodiment, includes first and second plates secured together. Each plate includes one or more elongated slots wherein the elongated slots of one plate are oriented at an angle of approximately 90° with respect to the slots formed in the other plate. Fasteners extend through the slots in the plates and connect the plates of the connector to two building members such as a horizontal building member and a vertical building member. Once connected, one of the building members is free to move with respect to the other building member while the connector is connected to the two building members. In another embodiment, the connector is slidable within a track. In this embodiment, a portion of the connector extends from the track and connects to one of the building members while the track connects to the other one of the building members.

Abstract: The present invention provides a furniture assembly that includes rods and connection members, and that can be fully assembled without using tools or additional hardware. In one embodiment, the rods include a threaded end and an unthreaded end, and the connection members include an interior member and an exterior member, where the interior member and exterior member may be separate or of unitary construction. The exterior member includes unthreaded apertures for receiving the rods and the interior member includes an unthreaded aperture and a threaded aperture, also for receiving the rods. The rods and connection members are interconnected and gradually tightened to provide a stable furniture frame. Multi-level framing and methods of assembly are also provided. In an alternate embodiment, a connector assembly is provided for securing a plurality of rods within a connector using a leg threaded into the connector obliquely to a plane occupied by the rods.

Abstract: A connection in wood frame construction such as in frame walls of homes, wood framed apartment buildings and light wood framed commercial buildings. Specifically, the disclosure describes a pair of connectors for joining wall studs to a base plate and to a top plate for framing a wall. The two connectors used in the connection are identical and include an edge member for connection to the edge faces of the stud and the base or top plates, and a face member for engaging the lower face of the base plate or the upper face of the top plate. The face member is joined to the edge member and projects at a right angle thereto. The face member serves the dual purposes of locating the connected at the ends of the studs and of resisting tension forces.

Abstract: A plug-connector body for latching-in in a switch cabinet or the like includes pin-shaped fastening elements mounted on the plug connector body for sliding into latching slits on a carrier body.

Abstract: A lock for retaining shutters in a closed position is disclosed. The lock includes backing and retention brackets, and a fastener. The backing bracket is mounted to a dwelling to maintain the shutters spaced from the dwelling when the shutters are in the closed position. The retention bracket includes retention and locking portions. The retention portion is spaced from the backing bracket to enclose the shutters between the retention portion and the backing bracket when the shutters are in the closed position. As such, the shutters are prevented from opening from the closed position. The locking portion extends from the retention portion to operatively engage the backing bracket. The fastener extends through the backing bracket and the locking portion to lock the retention bracket to the backing bracket such that the shutters, which are enclosed between the retention portion and the backing bracket, are retained in the closed position.

Abstract: A fastener for securing deck boards to a support structure without the need for driving screws or nails through the deck boards. The fastener includes two horizontal flanges that fit into slots cut into the sides of adjacent deck boards, a center hole for securing the fastener to the support structure and deformable, resilient elements that bridge the gap between adjacent deck boards during fastening yet compress inward when the boards swell and expand.

Abstract: A systematic solution is provided to the anchorage of newel posts designed for building methods that are not conducive to cutting holes in framed flooring or to building in support for posts in the joisting. These brackets connect quickly to newels and anchor anywhere on a floor or platform that has been built to code. They support the newel at the end of a balustrade, on the inside or outside corner of a balcony, or on a long balcony run where center support is critical. They will secure a starting newel for a curb wall or a landing and anchor the wall studding at the same time. Unlike universal brackets, these are job specific and therefore able to meet current or future code requirements without costly failure.

Abstract: A bracket system for forming gate assemblies. Four separate brace members are provided, and two of the brace members are rigidly attached to hinge assemblies. The brace members are adapted to be attached to support members to form the corners of a gate box functioning as the structural portion of the gate assembly. The hinge assemblies are adapted to be rigidly attached to a fence post to allow the gate assembly to pivot relative to the fence post. Gate assemblies of arbitrary height and width can be formed using the bracket system of the present invention.

Abstract: An attachment system and method for coupling a wall and a floor together during and/or after construction, and for facilitating final orientation of the wall and floor, includes first and second members coupled to the respective wall and floor and pivotal about a hinge member. The wall and floor, and thus the first and second members, pivot between an assembly position, and a final position. In the assembly position, the wall or the floor is assembled, and the first and second members are coupled to the respective wall and floor. In the final position, the wall and floor are finally oriented with respect to one another.

Abstract: The system (31) for angular connection of mounting rails comprises a U-shaped connection member (1) that has on at least one lateral wall (2.1, 2.2, 3) openings (4.1, 4.2, 4.3) for passage therethrough of a fastener for fastening a connection member (1) to a mounting rail and a connection plate (21). The connection plate (21) has insertion projections (22.1, 22.2, 23) that can be inserted into insertion holes (5.1, 5.2, 6) provided for this purpose on the connection member (1). Using the bolt (25) the connection system (31) is fastened and at the same time the connection plate (25) is tightened with the connection member (1).

Abstract: A connector for securing a first building structural member to a second building structural member is provided. The connector includes a seat member with an opening for receiving an anchor bolt that secures the connector to the second building structural member. The connector also includes first and second side members that connect to the seat member and a back member that extends between the first and second side members, wherein the back member includes a plurality of shear openings for receiving shear fasteners that secure the connector to the first building structural member and resist shear forces only and at least one tension opening for receiving a tension fastener that secures the connector to the first building structural member and resists tension forces only.

Abstract: A connection (10) of two streamlined-section struts (12, 14) running orthogonally to one another with an essentially rectangular base cross section (18) uses a connector (16). The lateral surface (18a) of one (14) of the streamlined-section struts has a mounting groove (18b), as well as an edge flange (18c), which projects substantially orthogonally from an edge of this lateral surface (18a) at a predetermined distance (b). The connector (16) can be attached to the lateral surface (18a) of the one streamlined-section strut having the mounting groove (18b) and to the front side of the other streamlined-section strut (12). The contour of the connector (16)is accommodated substantially completely within the base cross section (18) of the other streamlined-section strut (12). In addition, the depth of the connector (16) is essentially the same as the predetermined distance (b).

Abstract: A joint assembly for joining first and second tubular members. The first member has flanges extending from walls of an end segment. The walls of the end segment define a receiving opening. The second member has walls and a protrusion having sides extending from the walls to an end of the protrusion. When the members are joined the protrusion is received in the opening of the end segment so that the sides of the protrusion are in facing engagement with the walls of the end segment and the flanges engage the walls of the second member. The members are secured together at some of the engaging surfaces. The protrusion reduces stress on the flanges and increases the mechanical strength of the assembly.

Abstract: To connect the mutually contacting faces of two sheets, in particular counter tops, in a simple manner such that the top surfaces lie in a common plane, the invention provides an arrangement which consists of two fitting parts (7, 12) each connected to one sheet (1, 2). The first fitting part (7) is provided with a recess (9) open to the bottom whose limiting wall (10) facing the other sheet (2) has a slot open toward the bottom. The fitting part (12) fastened to the other sheet (2) is provided with a threaded hole into which a screw (17) is inserted. The screw (17) is inserted into the slot such that the head is accommodated by the recess (9) and is supported by the limiting wall (10) accommodating the slot (11). To adjust the height, adjustment screws (12) are provided in flanges (15) of fitting part (12) which interact with the base plate of fitting part (7).

Abstract: A fitting for releasably connecting two plates, particularly furniture plates includes a clamping member which is rotatably mounted in a housing between a released position and a locked position, wherein the clamping member receives the head of a corresponding tightening bolt. The housing is composed of an upper part and a lower part which can be lockably connected with each other, wherein the two parts and the clamping member arranged between the two parts are manufactured in a single work step so as to be connected through intended breaking points.

Abstract: A pool table (10) having a plurality of corner assemblies (12, 14, 16, and 18) which allow the pool table (10) to be easily disassembled while concomitantly allowing the pool table (10) to be sturdy.

Abstract: An integrated joint assembly fastener is described for removably securing two adjoining members together along flat mating surfaces. A housing is provided with an off-center circular bore in which a rotatable element is held captive. The bottom end of the rotatable element has an offset connecting post which extends perpendicular to a slit provided in a rear sidewall of the housing. Stationary wedges on the housing front project from opposite side of the slit. A pair of connecting dowel head sections project from the front opening and are engaged by the offset connecting post of the rotatable element. The dowel head sections have a gripping ridge section at a free end and an inclined abutment formation for sliding engagement against the wedges. By rotating the rotatable element, the gripping ridge sections of the dowel head are pulled back and wedged outwardly, laterally.

Abstract: Device for joining together, in a longitudinal direction (X—X), two parts arranged at 90° with respect to each other, comprising a head integral with one of the two parts to be joined, a pin integral with the other of the said parts to be joined, the head having, arranged inside it, a gearing able to be actuated in a direction (Y—Y) perpendicular to the longitudinal joining direction and operate the pin so to determine joining together of the two parts in the longitudinal direction (X—X).

Abstract: The present invention is an anchoring biscuit device for joining three boards. It includes, (a) a first substantially flat horizontal top element having a generally biscuit-shaped configuration, with opposite sidewalls, at least one of said sidewalls having a flat edge, and at least a portion of said sidewalls being non-parallel with respect to one another; (b) at least one substantially vertical support member attached to the underside of the top element and extending downwardly therefrom for a predetermined length for joinder of two adjacent boards which have been pre-cut with biscuit receiving slots, and, (c) an attachment orifice located at least on the top element for attachment of the anchoring biscuit device to a support board for anchoring and support of the two adjacent boards. In one preferred embodiment, a top bevel is included at the orifice to permit angled screwing at positions other than vertical positions.

Abstract: A cornerboard assembly comprises an interlocking, opposite direction joint between cornerboard millwork components. Dual male members extend from the end of one of the respective components, forming an opening between the members. The male members and opening formed between the members have planar outer surfaces. The second component comprises an end with a single male member which is configured to be inserted into the opening of the first component. The male member of the second component and the other surfaces at this end also have planar outer surfaces. The planar outer surfaces of the two cornerboards components are configured to be positioned adjacent to each other, in surface to surface contact. An exterior construction glue or similar adhesive is placed on the planar surfaces to fixedly and permanently secure the components.

Abstract: A frame element for the fame of a cabinet for an electrical panel is provided. The frame element includes first and second corner joints and first and second connection elements. The first and second corner joints are each formed as a monolithic body and have first and second arms protruding from a longitudinal elongated element of the monolithic body. The first and second corner joints further include third and fourth arms for connection to additional components of the frame. The third and fourth arms are arranged parallel to each other and lie substantially at right angles to the elongated clement and the first and second arms. The first connection element has an elongated body with opposite ends that are suitable for connection to first arms of the first and second corner joints. The second connection element has an elongated body with opposite ends that are suitable for connection to second arms of the first and second corner joints.

Abstract: A connector for securing a first building structural member to a second building structural member is provided. The connector includes a seat member with an opening for receiving an anchor bolt that secures the connector to the second building structural member. The connector also includes first and second side members that connect to the seat member and a back member that extends between the first and second side members, wherein the back member includes a plurality of shear openings for receiving shear fasteners that secure the connector to the first building structural member and resist shear forces only and at least one tension opening for receiving a tension fastener that secures the connector to the first building structural member and resists tension forces only.

Abstract: A plastic corner device for installing drywall to form an inside corner. The corner device has a large corner with a smaller corner facing it to form a right parallelepiped, whose sides equal in length the thickness of the drywall panels. The corner device and/or the panels have adhesive applied to them, and the edges of the panels abut the smaller corner to form the inside corner. Adhesive is then applied to the rearward surfaces, and the assembly of the corner device and the panels is adhered to a building structure.

Abstract: A panel connection device is provided for attaching a panel of an inner grid to an outer frame for a lower blanking tool of a carton die cutting machine. The panel connection device includes a plate member defining inner and outer faces. The plate member has a recess formed therein for receiving a portion of the panel and a bore extending between the inner face and the outer face along an axis at an acute angle to the outer face. A clamping structure extends into the recess in the plate member for retaining a portion of the panel therein. A fastening element extends through the bore in the plate member into a corresponding slot in the outer frame to interconnect the plate member to the outer frame.

Abstract: In a cabinet, particularly an equipment cabinet for electrical and electronic components and equipment having a particularly simple construction and ensuring an optimum accessibility to the installation area as well as a high security against unauthorized opening, not only the front door and a rear wall, but also the side walls are provided with hinges and can be articulated, as desired, either on the right or left. The hinge system has upper and lower hinge pins and two hinge pin receptacles in each corner connector of a frame. The two hinge pin receptacles are in each case formed in a shoulder of the corner connector.

Abstract: A fastener for use in forming a joint of a framework for a patio enclosure. The joint includes an end of an elongated first frame member fastened to a side of an elongated second frame member. The fastener includes a body having a first end and a second end defining an outer surface therebetween. The second end is adapted to fit in a hollow portion of the first frame member. The fastener further includes a plate extending outwardly from the body. The plate is adapted to be fastened to the side portion of the second frame member. A stop extends outwardly from the outer surface of the body. The stop provides for positioning of the fastener relative to the first frame member when the second end is positioned within the hollow portion of the first frame member.

Abstract: A steel pipe connection device has a steel pipe, a steel frame, the steel pipe having a U-shaped taper connector having a slot, and the steel frame having a taper insertion bar disposed on an end of the steel frame. The taper insertion bar has a taper insertion end. The taper insertion bar is inserted in the slot of the U-shaped taper connector.

Abstract: A joint arrangement joining adjacent edges of two structural elements (10, 11). The joint arrangement includes a joiner element (12) which has projections (17, 18), each of which is slidingly engageable in a groove (19, 20) of the respective structural elements (10, 11). The joiner element (12) has a spine means (22) which in the assembled joint engages between profiled edge portions of the structural elements (10, 11). The distal end (24) of the spine (22) has two oppositely disposed lateral projections (25, 26) each of which engage in a groove (27, 28) formed in the profile edge of the adjacent structural element (10, 11).

Abstract: A panel connection device is provided for attaching a panel of an inner grid to an outer frame for a lower blanking tool of a carton die cutting machine. The panel connection device includes a plate member defining inner and outer faces. The plate member has a recess formed therein for receiving a portion of the panel and a bore extending between the inner face and the outer face along an axis at an acute angle to the outer face. A clamping structure extends into the recess in the plate member for retaining a portion of the panel therein. A fastening element extends through the bore in the plate member into a corresponding slot in the outer frame to interconnect the plate member to the outer frame.

Abstract: A frame assembly for creating a flush corner appearance is disclosed. The frame assembly includes first and a second members. The first member has a plurality of sides that extend between a first and second end such that one side defines an opening extending thereinto from the first end. The opening defines a pair of lateral flanges for engaging the second member. The second member includes a plurality of sides that extend between a first and second end. The second member also includes a first connector extending from a first side and a second connector extending from a second side. A first tab extends from the first connector and is moveable between a straight position and a bent position such that the first tab guides the first member into engagement with the second member when the first tab is in the bent position. A second tab extends from the second connector and is flush with the first end of the first member when the members are connected.

Abstract: A connective device in a partition and screen system comprises at least and upright post, a plurality of retaining pins, a plurality of trunking parts longitudinal, and at least a partition. The upright post is cylindrical with a homogeneous cross section with longitudinal slide grooves circumferentially disposed through the entire length thereof. The retaining pins are selectively inserted into the slide grooves and each of the retaining pins has an arched side with two opposite lateral edges. The trunking parts are connected to the respective coupling pieces so as to be positioned next to the upper end and the lower end of the upright post. The partition fits with two of the trunking parts in a way of being disposed between one next to the upper end of the upright post and the other one next to the lower end of the upright post.

Abstract: The scaffolding element is used in conjunction with an upright alignment member such as a pole. The scaffolding element is provided in the form of a rectangular frame, with a pair of connector members at each end. The connector members at the opposite ends of the frame are oriented transversely relative to one another, so that the connector members of adjacent members can interlock at right angle to one another, creating a structure of interlocking scaffolding elements. The connector members can be formed from metal plate or can be castings, for example, and the frame is constructed from square section metal tubing.

Abstract: A connector for connecting a horizontal member with at least one vertical member in an interlocking manner includes plastic body in the shape of a cylinder, having one flat side which extends parallel to a longitudinal axis of the cylinder. A pin projects outwardly near a top end in of the plastic body, in a radial manner. A through hole is provided in the plastic body through which a securing screw can be threaded into at least one vertical member against which the connector is disposed.

Abstract: A device for fastening of attachment elements, such as mounting rails, mounting plates, deposit plates and the like on a frame leg of a switchgear cabinet rack, wherein the frame legs are designed symmetrically in relation to their cross-sectional diagonal line and are aligned with the latter with the diagonal line of the rack. On the inside of the frame legs oriented toward the interior of the rack, the frame legs form a fastening receiver with two fastening profile sides which are disposed vertically in respect to each other and extend parallel to the facing outsides of the switchgear cabinet rack. The frame legs form system fastening receivers in the form of square or rectangular openings and fastening bores and make transitions into additional profile sides having corresponding rows of fastening receivers, which extend perpendicular to the facing exteriors of the switchgear cabinet rack.

Abstract: For clamping one end of a first, cylindrical strut to a second, cylindrical strut crossing the end of the first strut, a clamp comprising two clamping members, each having a first portion adapted to fit one half of the end of the first strut and a second portion unitary with its first portion and adapted to fit one half of the second strut. Each clamping member has a reinforcing rib extending along its first clamping portion and extending onto its second clamping portion. Embossments of the reinforcing rib of each clamping member define margins of fastener-receiving apertures, which receive fasteners drawing the respective members tightly around the respective struts.

Abstract: A clamping device to hold adjacent formwork panels has a backing plate against which edges of the adjacent formwork panels can be held, at least one rod extending from the backing plate, and a clamping member able to move along the rod between a clamping position where the member clamps the formwork panels against the backing plate, and a free position where the formwork panels can be removed.

Abstract: A connecting fitting for releasably connecting two furniture parts is disclosed. The fitting comprises a pin-shaped member that is insertable into a hole in a first furniture part, and a fitting body insertable into a bore in a second furniture part. The fitting body comprises a tightening element. The fitting body is in the form of a circular cylindrical part defined by a curved side wall and a flat side wall. The fitting body is radially displaceable within said bore in the furniture part when not in a tightened position. The pin-shaped member protrudes from the curved side wall when in the tightened position.

Abstract: A fastener system for joining structural members to other structural members or to supporting structures is disclosed. The fastener system includes three types of fasteners. The first type of fastener is designed for placement between adjacent planks. The second and third types of fastener are designed for placement at the ends or sides of planks which are not adjacent other planks. The first type of fastener is in the form of two rectangular, spaced apart plates which are fixed relative to one another by a rectangular plate extending perpendicularly between the two rectangular plates. The second and third types of fasteners are in the form of a rectangular plate having two rectangular, spaced apart plates projecting perpendicularly therefrom.

Abstract: A corner bracket comprising of two matching components held together by two bolts wherein as the two bolts are tightened, the two matching components will be urged toward each other thereby securely gripping a planar surface that is inserted between them. Another bolt is inserted through an opening in the second component through a threaded hole in the first component and protrudes into a hole in the first component where the vertical supporting member is inserted. The bolt will securely lock the corner bracket with the planar surface to the vertical supporting member inserted through the hole in the first component. The advantage of the present invention is that the force of the grip on the planar surface can be adjusted independently of the force of the grip on the vertical supporting member. Another advantage of the present invention is that the corner bracket can be used to secure a variety of planar surfaces with a relative large range of thickness.

Abstract: A corner mold is provided for use in a seal system which protects the corner of a structure from damage and deterioration and creates a barrier covering the gap between adjacent structures. The corner mold includes two external members distanced apart by an interconnecting spacer sized to match the width of the structure. In addition to the corner mold, the seal system includes two moldings and an adhesive which is placed in joints between the corner mold and moldings.

Abstract: A connector includes a first plate (10) and a second plate (30) perpendicular to the first plate. The first plate includes a base (12) defining two cutouts (16), and a perpendicular flange (14) defining a locking slot (19) and defining two openings (18) in communication with the corresponding cutouts. Two shoulders (17) are formed in the first plate on opposite sides of each cutout. The second plate includes two protrusions (32) and two hooks (44). Each protrusion defines two horizontal grooves (36), and two vertical grooves (37) for facilitating deformation of the protrusion. Two pairs of slits (38) are defined in a rearmost periphery of each protrusion, in communication with the corresponding grooves. In joining the first and second plates together, the horizontal grooves receive the corresponding shoulders. Edges of the flange adjacent each opening engage in the corresponding slits, and the hooks engage in the locking slot.

Abstract: A guide apparatus (1) slidably supports a shaft member (2) and a column (3) relative to each other. The column (3) has a through hole (3a) formed therein and the shaft member (2) penetrates the through hole (3a). In the column (3), there is provided a slide mechanism (5) formed of a plurality of cylindrical rolling element (50) adapted to roll axially on an outer circumference (2a) of the shaft member (2). The column (3) is formed of a plurality of split members (31, 32, 33, 34) that are divided on sectional planes each perpendicular to the axial direction of the column (3). A plurality of positioning pins (9) are provided on each contact surface of the adjacent split members (31, 32, 33, 34). The adjacent split members are centered or positioned by the positioning pins (9).

Abstract: A pair of connector elements, one stapled, screwed or otherwise fastened to a countertop and the other stapled, screwed or otherwise fastened to the lower edge of a backsplash are snapped together to mount the backsplash in an upright position along the rear edge of the countertop.

Abstract: A corner bracket for the manufacture of a table comprises a central bridge portion 18 having an aperture for co-operation with a leg fixing 26, together with angled rail plate portions 20 to either side of the bridge portion, each having an aperture for receiving a side rail fixing. Each rail plate portion 20 includes an angled table top plate portion 22 having an aperture for receiving a table top fixing. The bracket simplifies flat pack table construction and avoids the potential weakening of the side rails associated with conventional corner arrangements.

Abstract: A connection system for securing structural members such as posts and beams together with all connection components hidden within the structural members. Cylindrical connectors fit in apertures in the members. Each connector has transverse holes and end holes, at least some of which are threaded. Each connector is secured in the aperture by bolts or pins extending through aligned holes in a member and a transverse hole. Bolts and pins extend through one structural member into holes in the connectors in the second members to secure the members together. In some embodiments, two cooperating cylindrical connectors are secured in two apertures in ends of structural members, with bolts extending between the two connectors to secure them and the structural members together.