Abstract: A height-adjustable table including a length-adjustable support, a motor assembly configured to drive adjustment of the length-adjustable support, a motor housing supporting the motor assembly. The length-adjustable support includes a telescopic column assembly comprising an exterior tube, an interior tube, and a spindle assembly. The spindle assembly includes spindle rod fixedly coupled to a first end of the exterior tube, the spindle rod being threadingly engaged with a spindle guide coupled to a first end of the interior tube, whereby rotation of the spindle rod causes the distance between the first ends to change in order to telescope the interior tube into or out of the exterior tube. Illustratively, force from rotation of the spindle rod is transferred through the spindle guide and into the first end of the interior tube.

Abstract: A modular building structure with relative integrated plants, as obtained by assembling a plurality of module frames to obtain a complex frame, allows associating ducts of one or more plants to the module frame. The module frames have a parallelepiped-like shape and are identified by beams joining in respective angles, including a plurality of connecting knots joining module frames adjacent to the angles; the adjacent beams of side-by-side module frames are spaced apart by the knots and the panels and are connected to the beams of the module frame thereto, so as to create an air gap. The integrated plants have a plurality of ducts arranged in the air gaps and in the through channels, which include, at edges or angles of the module frame, quick connections for connecting the ducts related to a module frame to those of another module frame placed side-by-side thereto.

Abstract: In an air seeder assembly having a base mount member with a at least one base ear with a base bore, and a seed boot with at least one boot ear with a boot bore, a fastening assembly mounting the seed boot to the base mount member is disclosed. The fastening assembly comprises a fastener structure fastening the seed boot to the base mount member by extending through the base bore and the boot bore. The fastening assembly includes a fastener interface device inserted into at least one of the bores. The interface device comprises a substantially tubular insertion portion inserted into the at least one bore and a flange portion connected to the insertion portion, and extends radially outwardly from the insertion portion.

Abstract: An attachment system for securing conveyor components to a conveyor disposed between a pair of side guards. The side guards are U-shaped and have first and second side guard ends that extend perpendicularly from the opposite ends of a flat wall portion to a distal end. The first side guard end includes a first lip that defines a grooved portion. At least one framing channel extending between flat first and second channel ends is disposed between the first and second side guard ends. The first channel end includes a projection portion that extends from the first channel end to engage to the grooved portion to secure the first channel end adjacent the first side guard end. At least one tab extends outwardly from the second channel end to engage an end guard opening defined in the second side guard end to secure the framing channel to the side guard.

Abstract: In an air seeder assembly having a base mount member with a at least one base ear with a base bore, and a seed boot with at least one boot ear with a boot bore, a fastening assembly mounting the seed boot to the base mount member is disclosed. The fastening assembly comprises a fastener structure fastening the seed boot to the base mount member by extending through the base bore and the boot bore. The fastening assembly includes a fastener interface device inserted into at least one of the bores. The interface device comprises a substantially tubular insertion portion inserted into the at least one bore and a flange portion connected to the insertion portion, and extends radially outwardly from the insertion portion.

Abstract: The fastener fitting (40) has a first fastener zone (42) for fastening to an element (24) of the deployment mechanism. This fastener fitting (40) has two longitudinal arms (46A, 46B) that extend substantially in parallel and in the same direction from the first fastener zone (42). The free ends of these arms that are remote from the first fastener zone are separate, with each arm being provided with a distinct fastener surface (48A, 48B), these respective fastener surfaces together forming the second fastener zone.

Abstract: A fastener system with a coaxial annular flange (14) having through holes (16), each serving to pass a screw (17) for screwing into an associated tapped hole (16) in the wall (2) of a stationary structure. Each through hole (16) has a circularly cylindrical distal segment (16a) followed by an enlarged proximal segment (16b) adjacent to the wall (2) of the stationary structure, allowing the shank (19) of the screw to bend and enabling a corresponding lateral offset (D). This prevents the screw (17) rupturing under high shear forces due to accidental destruction of a vacuum pump rotor while rotating at full speed.

Abstract: A safety device for restraining the forward movement of a two-wheeled bicycle used for training a child, said device including a cord controller that allows for the extending, retracting and locking said cord to a manual handle, a spring clip fastener on the free end of said cord and a flexible strap that connects at one end by a loop to a bicycle seat post with the other end to a fastening ring that allows the ring to be fastened to the spring clip on the cord. The cord controller allows the user to walk behind a young child who is learning to ride a two-wheeled bike to prevent the child from accelerating away from the adult during training whereby the adult can restrain the forward movement of the bicycle whenever necessary.

Abstract: A floor system includes a pair of joist rim assemblies each having a web defining a first surface. The web also includes a mounting portion defining a second surface offset from the first surface. The joist rim may also include a prong defining a slot along with the web. A joist connector bracket is received within the slot and is connectable to the mounting portion of the web. A joist extends between the pair of joist rim assemblies and is connected to the joist connector bracket of each joist rim assembly.

Abstract: A clamp system for attaching accessory devices to a railing structure includes a first clamping jaw member and a second clamping jaw member designed to clamp on a railing structure. An accessory mounting device includes a cylindrical collar portion with a plurality of diametrically aligned holes arranged around the circumference. One of the clamping jaw members has an opening, sized to receive the collar portion and one pair of holes that can be aligned with the holes of the collar portion. When the mounting device is in a desired orientation, a pin is inserted through the aligned holes to hold the orientation. A locking nut is mounted on a threaded portion of the collar portion and, when tightened, tends to withdraw the collar portion against the pin, firmly securing the assembly together.

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: A two-plate splice connection assembly for connecting the lower end of an upper tubular pole member to the upper end of a lower tubular member which eliminates the need for having an individual positioned on the outside of the tubular pole member and an individual positioned on the inside of the tubular pole member when the splice plates are secured together.

Abstract: A fastening system has a mounting plate of substantially greater area than a flange of a part being attached to a hardened plate. This mounting plate is sandwiched between the flange and an outer face of the hardened plate and has an outer periphery spaced well outward of the flange. A plurality of nuts bear on an inner face of the hardened plate in line with the flange. Respective bolts extend through the flange, mounting plate, and hardened plate into the nuts and press the flange and mounting plate against the outer face of the hardened plate. A weld at the outer periphery secures the mounting plate to the hardened plate.

Abstract: A plurality of studs (14) are spaced apart relative to each other. Upper end portions (32) of the studs fit into an upper channel space (22) and lower end portions (34) fit into a lower channel space (30). The lower channel space (30) is defined in part by a pair of spaced apart sidewalls (24, 26). Screw fasteners (52) extend through the sidewalls (24, 26) and connect them to the lower end portion (34) of the stud (14). The studs (14) have upper ends that are spaced from a web (20) forming the upper boundary of the upper channel space (22). Vertical elongated slots (48, 50) are provided in the sidewalls (38, 40) of the studs (14). Screw fasteners extend through the sidewalls (16, 18) of the upper channel member (10) and then extend into and through the slots (48, 50). The heads of the screw fasteners (52) bear against the sidewalls (16, 18) when the screw fasteners (52) are tightened.

Abstract: Connecting device for masts, poles and similar carrying structures which are mounted on a base at a roadway, wherein the upper end of the base and the lower end of the pole structure each carries or is integrated with a mounting plate and provide an angle with the axis of the pole structure, which have holes for at least one connecting member maintaining the two mounting plates together in an operating relationship. The connecting member is adapted to lose integrity or fracture upon a sideways impact over a certain level, such as at the impact of a motor vehicle. The connecting devices includes at least one pressure member for providing pressure load between the mounting plates and for keeping them apart at a predetermined distance. Further, the connecting member includes at least one shear member primarily for taking shear load, and at least one tension member to provide a tension load between the mounting plates. The load on the pressure member is provided by the tension member and/or the pressure member.

Abstract: A collapse-resistant frame system (10) for a bridge or building structure includes a plurality of mechanically-interconnected columns (12) and beams (14). At least the lowermost columns are formed of a material (28) that exhibits quasi-elastic behavior in response to seismic excitation, while the beams of the frame system are formed of a material (22) that exhibits elastic/plastic behavior, such that quasi-elastic flexure of the columns under seismic loading will cause plastic hinge formation in the beam ends (26) to thereby dissipate the rotational energy without significant plastic hinge formation in the column bases.

Abstract: A connector according to the present invention includes a bulk head for connection to a column and a plate extending from the bulk head for connection to a beam. The connector is preferably die cast for ease of manufacturing to avoid welded connections which may provide structural weaknesses. The bulk head has a compact tapered shape which provides a reduced surface area end surface coming into contact with the column. This reduced contact area of the end surface provides an advantageous configuration which avoids the prying action of the prior art T-shaped brackets. The plate which extends from the bulk head is adapted to be welded to a beam and includes a tapered portion that diminishes in a width dimension as the tapered portion extends away from the second surface to a free end. Preferably, the plate includes one or more tuning holes for adjusting the yield strength of the plate.

Abstract: A connector having a concave seat member for connecting a first building structural member to a second building structural member in conjunction with fasteners and an anchor member to resist forces on buildings imposed by earthquakes, hurricanes, tornadoes and other similar cataclysms.A connector constructed in accordance with the present invention consists of a concave seat member, formed with an opening for receiving an anchor member therethrough to attach the connector to a second building structural member such as a foundation, a first side member connected to the concave seat member, a second side member connected to the concave seat member, and a back member connected to the first and second side members. The back member attaches with fasteners to a first building structural member such as a stud in a framed shear wall. The back member can consist of two back plates each integrally connected to a side member.

Abstract: A gusset for joining first and second abutting support trusses wherein the gusset comprises a plate having a body portion and a finger portion. The body portion is adapted to be abutted against and fastened to a side of the first support truss at one end thereof and the finger portion is adapted to extend beyond the end of the first truss when the body portion is fastened to the first support truss. The finger portion is further adapted to hangingly engage at least one element of the second support truss for supporting the one end of the first truss thereon without fastening the first truss to the second truss.

Abstract: A bolted connector includes a bulk head for connection to a column and a plate extending from the bulk head for connection to a beam. The bolted connector is preferably die cast for ease of manufacturing to avoid welded connections which may provide structural weaknesses. The bulk head has a compact tapered shape which provides a reduced surface area end surface coming into contact with the column. This reduced contact area of the end surface provides an advantageous configuration which avoids the prying action of the prior art T-shaped brackets. The plate which extends from the bulk head includes a plurality of bores for attaching the plate to the flange of a beam. The plate has a first thickness at a portion of the plate which is adjacent the bulk head and a second smaller thickness at a portion of the plate furthest from the bulk head.

Abstract: A coupling between a motor vehicle steering shaft and a motor vehicle steering wheel including a primary socket on the steering wheel, a hub on the steering shaft plugged into the primary socket, a pair of V-shaped notches in the plug and in the primary socket cooperating in defining a polygonal chamber, and a cylindrical coil spring wedged in the polygonal chamber. The cylindrical coil spring thrusts the plug laterally against the primary socket to eliminate dimensional clearance, i.e., lash, therebetween. Lugs on the primary socket seat in notches in the plug and cooperate with the coil spring in transferring torque between the hub and the primary socket. A retractor on the steering wheel twists the coil spring to a smaller diameter concurrent with linear translation of the retractor in an arc around the primary socket thereby to reduce the diameter of the coil spring for installation and/or removal of the hub from the primary socket.

Abstract: A one-piece brace includes a body portion and a pair of elongate leg portions. The leg portions are joined to the body portion at areas of relative flexibility, which provide joints about which the leg portions can turn for displacement. The brace can be packaged and shipped in a compact configuration, and the leg portions can be spread in such manner so as to minimize their distortion and to maximize the level of reinforcement imparted to the implement on which the brace is installed.

Abstract: A supporting device is used to support a floor form assembly on surrounding walls of a structure and includes a plurality of hangers fixed spacedly to the surrounding walls in a horizontal plane. Each of the hangers has a first engaging portion. An elongated mounting seat has a generally U-shaped cross section which has a first arm side, a second arm side, a base side, and an open side opposed to the base side so that the hangers can pass through the open side of the mounting seat. The first arm side has a second engaging portion so that the first engaging portions of the hangers can engage the second engaging portion in order to retain the mounting seat to the hangers. A fastening apparatus is mounted to the external face of the base side of the mounting seat. A support member is secured to the mounting seat by the fastening apparatus. The support member has a top portion which is formed with a supporting plate so that the floor form assembly can be rested on the supporting plate.

Abstract: A folding collapsible table stand including a mounting frame fixed to a table board at the bottom, two pairs of stand legs pivoted to the mounting frame, two horizontal braces connected between the stand legs, and four folding struts connected between the mounting frame and the stand legs, wherein each horizontal brace has a plurality of retaining strips at both ends respectively inserted into respective retaining holes on the stand legs and then secured in place by screw bolts inside the stand legs; each folding strut consists of a base frame and a flat connecting rod pivotably connected together, and a guard plate hinged to one side of the base frame and releasably secured in the closed position by a snap to hold down the folding strut in the operative position.

Abstract: Skeletal railing systems are usually formed of metal tubing welded together and/or interconnected by metal T-connectors, cross connectors and elbows. The assembling of such railing systems is often time consuming and expensive. A simple alternative includes tubular plastic, preferably polyvinyl chloride posts and rails interconnected by short lengths of metal tubing which extend through openings in the plastic tubes. A bolt perpendicular to one section of metal tubing extends into a plate or plug on the end of the other section of metal tubing, and a nut is tightened onto the bolt to hold the sections together.

Abstract: A framework for a space partition of the type used in dividing up an open space into individual offices which can be easily made of any desirable dimensions. The framework is made up of a pair of vertical members and a cross member connecting the vertical members. The cross member is, in turn, made up of a pair of connectors, each of which can engage one of the vertical members and which are connected to each other by a rod which is cut to a precise length so as to create a framework of a desired size.

Abstract: A connecting arrangement for connecting together a pair of orthogonally arranged profile bars a first one of which (1) is arranged with one of its ends adjacent the side of a second bar (2). A groove connecting member (4) is slidably retained in an undercut longitudinal groove (8) contained in the second profile bar, and an end connecting member (3) is slidably mounted in the groove intermediate the groove connecting member and the adjacent end of the first profile bar. First screws (6) fasten the end connecting member to the adjacent end of the first profile bar, and second screws (5) fasten the groove connecting member to the end connecting member, thereby to connect together the bars. Locator projections (11) on the end connecting member serve to properly position it relative to the first profile bar.

Abstract: A seat belt anchor with a first leg which has a first shank carried by a first base. The shank is elongate, generally tubular, with a top, a longitudinal axis, and an axial recess. The axial recess has an end which is open to the top of the shank. The base, which carries the shank, is generally flat with top and bottom surfaces and a hole for receiving a bolt.The first base is joined to the first shank at the end of the shank distal from the top of the shank and the open end of the recess. The longitudinal axis of the first shank is curved toward the top of the first base at a first curving angle A which is less than 180 degrees, desirably, 110 to 140 degrees and preferably about 135 degrees.The first curving angle A has an apex which is disposed a first selected distance from the top of the first shank.The seat belt anchor has a second leg similar to the first leg.

Abstract: A tie rod bearing unit for use in connecting together a pair of oppositely facing wall form structures of a concrete form assembly including upright structural beams with spaced-apart, back-to-back channel members, each of which has a pair of transversely opposite leg sections and an interconnecting web section. The tie bearing unit includes a bearing plate from a first side of which projects an open box member. In position against a beam, the box member of the tie bearing unit is in a friction fit with the web sections within the space between the channel members and the first side of the bearing plate is in contact engagement with the leg sections of the beam. A tie rod of the form assembly bears against the opposite or second side of the bearing plate. The tie rod bearing unit strengthens the beam and distributes the forces exerted by the tie rod.

Abstract: A header of general U-shaped construction having a web and depending flanges normal to the web and separated by the web, and a stud, one end of which is interfitted between the flanges perpendicular to the web. The improvement comprising vertical slots formed in the flanges through which screws are passed uniting the header to the stud whereby the stud may move vertically with respect to the stud in response to environmental forces but not horizontally.

Abstract: A mast connecting structure is disclosed in which the mast includes a lower end having upper plate connected to the lower end of a mast, and lower plate spaced from the upper plate and connected to a base on which the mast is to be mounted. Tensioned connecting device connect the upper plate and lower plate means together to thereby mount the mast on the base. The connecting may comprise bolts having threaded ends and nuts threaded on the bolts. The bolts have an elongated length sufficient to span the thickness of the upper and lower plate means through which the volts pass plus the distance of the space between the upper and lower plate. The long bolt length increases the volume of the bolt body which results in an increased stress distribution and thereby an increased ability to withstand stress due to impact loading of the connecting structure.

Abstract: An axle suspension assembly for a low-bed trailer wherein the frame is formed of I-beams at each side thereof and each I-beam has an intermediate portion sloping upwardly and rearwardly between a low central portion and a higher rear portion. The customary trailing arm or equalizing beam is pivotally mounted on the web of this sloping portion of the I-beam utilizing a bushing assembly. Basically, the bushing assembly includes two pivot brackets which are bolted to opposite sides of the web and which carry, by way of a resilient bushing a bushing core through which a fastener may pass so as to clamp opposite arms of a yokelike forward portion of the trailing arm to the bushing core. The bushing core passes through an opening formed in the web with the opening being elongated in a fore and aft direction whereby the bushing assembly may be adjusted so as to accurately position the mounted axle transversely of the trailer frame.

Abstract: A quick attachment mounting plate comprises a flat back plate adapted to be bolted to thrust plates on the back of a backhoe bucket, and a pair of mounting arms extending perpendicularly from the back plate adapted to be connected to a support arm and control linkage of a backhoe or the like. The mounting plate may be reversed so the bucket may be worked toward the backhoe or worked away from the backhoe. A bucket angling device attachable to the mounting plate permits horizontal rotation of the bucket.

Abstract: A peripheral support frame is provided over which to receive and for supporting a flexible canopy or tent cover. The frame includes a plurality of horizontally elongated peripheral frame members with peripherally adjacent frame members including a pair of adjacent ends and an upstanding leg assembly is disposed between and provided for support of each pair of adjacent frame member ends. Each leg assembly includes an upper head from which the adjacent peripheral frame member ends are removably supported against angular displacement relative to the associated leg assembly about axes extending longitudinally of the peripheral frame members with only a single shank-type fastener being secured between each peripheral frame member end and the associated leg assembly subject only to tensional forces.

Abstract: Improved methods and apparatus are provided for structurally interconnecting an instrument manifold with a differential pressure assembly having a pair of tapered NPT threaded outlet ports each adjoining an exterior body surface. First and second connector flanges are provided each having a through passageway for transmitting a pressure signal from the corresponding NPT outlet port in the differential pressure assembly to an inlet port in an instrument manifold. Each connector flange includes a tapered threaded end, a flange end, and a threaded portion fixed between the threaded end and the flange end. The apparatus also includes first and second stabilizer members, and first and second tensioning nuts for exerting a compressive force on the stabilizer members such that the stabilizer members will transmit substantially all radially-directed forces to the differential pressure assembly.

Abstract: A fitting for fastening a rail member of a drawer to a rear wall of the drawer includes a supporting member fastenable to the real wall. The rear end of the rail member is held in the support member by a fastening member which is engageable in the supporting member and is screwable into the rail member. The fastening member is clamped to the supporting member by a clamping screw.

Abstract: A damaged binding post on a telephone wire connecting panel is replaced by a binding post having a threaded stem and a polygonal head adapted to seat freely in a hole in the panel. A retaining nut is screwed on the stem and spaced from the surface of the panel. A bridge is placed over the binding post and each of the next adjacent binding posts and a locking nut is threaded over each of the stems of the adjacent binding posts, to cause the bridge to bow and provide a bias urging the retaining nut downwardly forcing the replacement post to seat in the hole.

Abstract: In a joint between first and a second rectangular tube, the first tube has its end provided with anchoring means and inserted through an insertion opening in the front wall of the second tube. The anchoring means located within the second tube are embedded in the concrete filling the two tubes. The anchoring means consist i.a. of two wings which form extensions of the side walls of the second tube, and a tongue which forms an extension at the end of an intermediate wall, constituting an extension of one transverse wall of the second tube. This anchoring tongue lies along the rear wall or the second tube.

Abstract: The invention relates to a rigid frame structure especially for a cabinet or like piece of furniture, e.g. of the shelved type comprising normally vertical uprights maintained laterally spaced from one another by normally horizontal lateral yokes, and longitudinally spaced by normally horizontal longitudinal cross-members, and characterized in that the yokes are provided with externally protruding tenons arranged substantially in the longitudinal plane of the yoke and substantially perpendicularly to the longitudinal edges of the yoke, which tenons are intended to be inserted or fitted, preferably with a tight fit, into corresponding sockets provided at the end of the vertical uprights.This structure offers great simplicity of assembly.

Abstract: A hollow sheet metal handle for fastening to a welding bolt weldably secured to utensils. The welding bolt has a triangular or polygonal cross section and a bore having an internal thread. A shaped part of sheet metal is welded to the utensil in the connecting part of the hollow handle, which shaped part forms a front-side contact surface for the welding bolt. At least two plates are provided on the shaped part, which plates laterally guide the aluminum bolt. A bore for receiving a fastening screw is arranged in the contact surface of the shaped part.

Abstract: A jamb plate is mounted between the jamb bracket of a conventional door closer and the door jamb to prevent the door closer from tearing away the door jamb.

Abstract: A traffic marker support comprises a base (10) formed from polyvinyl chloride with a first angle iron section (16) and a second angle iron section (18) molded integral therewith. The lateral sides of the angle iron sections (16) and (18) form a channel (24) in the base (10). An upright marker (12) is disposed within the channel (24) and a bolt (30) used to secure the devices together. The lower surface (20) of the angle iron (18) and the lower surface (22) of the angle iron (16) are imbedded within the base (10) proximate the lower surface thereof with the channel (24) extending below the surface of the base (10) but not exposing the apexes of the angle iron sections (16) and (18). The reinforcement structure prevents rotational movement of the upright marker (12) with respect to the base (10) such that breakage at the uppermost portions of the angle iron sections (16) and ( 18) is prevented.

Abstract: A structural joint and method of making the joint wherein an end portion of each of a plurality of tubes is partially flattened into an elongated, oval annular shape of a cross sectional contour that the flattened ends of the tubes can be telescopically nested within one another, the tubes are arranged to have their axes coplanar to intersect at the joint node with the tube flattened ends in a telescopically, mutually nesting relationship to each other, a splice plate extending into the interior of the nested array of flattened tube ends and having upper and lower surfaces in an underlying, closely adjoining relation to interior surfaces of each of the tube flattened end portions, and fastening means tightly clamping together the nesting, flattened tube ends and splice plate contained therewithin.

Abstract: The invention deals with devices suitable for securely joining the end of a timber to another member. Shallow U-shaped channels are placed on the outside of a support frame which lies along the longitudinal axis of the timber near its end. A frame end forms the end of the support frame and is fastened to the other member.

Abstract: A drawer for an article of furniture includes a front sheeting, a back portion and two parallel side portions extended between the front sheeting and the back portion. Both side portions are formed identically and may be interchanged. Each side portion has a rear end recess, which receives the end of the back portion, and a front end recess which receives a fastener for connecting each side portion to the front sheeting. The front end recesses and the fasteners positioned therein are enclosed with caps formed to provide an access to the fasteners and at the same time closing the latter from above.

Abstract: A stand for rotatably and pivotally supporting a needlework hoop or the like comprises a tubular frame having a base and a pedestal member extending vertically therefrom. An extension member rotatably attached to the pedestal member has a pair of pivotally connected support arms extending outwardly therefrom to receive and support a needlework holder, e.g. an embroidery hoop. The support arms are attached to the extension member such that the hoop may be retained in a pivotally adjusted position. The pedestal member may be provided with a horizontally extended portion permitting the stand to be used in doing needlework in a chair where a vertical stand may not fit, or in bed.

Abstract: An adjustable fastening device such as an insert or applique with an integral slot and wedging mechanism that can be affixed by means of a connecting bolt to one member so that its position can be adjusted along the slot relative to another member.

Abstract: In a die, punch and core rod assembly for a powder compacting press wherein the core rod or rods remain stationary while the punch or punches are reciprocable relative to the die, the invention provides individual longitudinal position adjustment for the core rods by fitting the end of the core rods in a threaded member such as a set screw threading in a threaded bore in a core rod support member. The core rod support member is in the form of a pair of plates one defining a core rod support plate and the other a retainer plate, sandwiching a plastic locking plate. The core rods are immobilized in their adjusted position by the plastic locking plate, sandwiched between the core rod support plate and the retainer plate, being provided with a threaded bore aligned with the threaded bore in the support plate and having a slight screwthread mismatch with the threaded bore in the support plate.

Abstract: A wall bar comprising a length of tubular material the ends of which said length extend at an angle to the adjacent portions. The ends have integral flattened portions lying in a plane intersected by the inclined portions and defining an obtuse angle with the axis of the inclined portions. The flattened portions are adapted to engage a wall and be attached thereto. A cover plate is provided for each end and has an elongated opening such that the cover plate may be telescoped over the flattened portion to mount the plate on the bar after the flattened portion has been formed and the plate can be placed in position over the flattened portion after the flattened portion has been attached to a wall.

Abstract: A header of general U-shaped construction having a web and depending flanges normal to the web and separated by the web, and a stud, one end of which is interfitted between the flanges perpendicular to the web. The improvement comprising vertical slots formed in the flanges through which screws are passed uniting the header to the stud whereby the stud may move vertically with respect to the stud in response to environmental forces but not horizontally.