Abstract: A thermoformed thermoplastic truck bedliner has at least one pair of under-cut load restraint pockets formed by portions of opposed bedliner sidewalls. The pockets are recessed from the sidewall so that a load restraining member such as a 2.times.4 beam may be pressed downwardly to be snapped into engagement with the pockets. The pockets support the boards in a horizontal orientation, with the wide dimension of the board extending from front to back within the liner to give greater board stiffness against loads shifting from front to back. The pockets may be formed in either under the rail bedliners or in over the rail bedliners. In an alternative embodiment, each under-cut pocket is formed in a cross shape such that a board may be positioned horizontally or vertically.

Abstract: A shower rod mounting assembly for conveniently securing a shower rod between opposing walls of a bath while maintaining an appealing appearance. The assembly consists of a mounting bracket which can be secured to the wall and includes a pair of coaxial tubular flanges fo receiving a shower rod. A snap-on escutcheon conceals the mounting bracket. After mounting the brackets to the opposing walls of the bath, the ends of the shower rod are inserted into the brackets such that the inner flange is matingly received within the shower rod and the shower rod is matingly received within the outer flange of the bracket. The gap between the tubular flanges is configured to snugly receive the shower rod. The escutcheons can now be positioned over the brackets completing assembly of the shower rod.

Abstract: An annular flange which can be positioned on a shaft and securely welded in place. This disclosure also contemplates the method of making an annular shaft flange. This novel flange is materially stronger than the prior art and has lower production costs.

Abstract: A molded plastic fixing structure for a chassis which includes a chassis having upper and lower surfaces and an opening; a boss disposed in the opening in the chassis and extending above the upper surface of the chassis; at least one of upper and lower boss supporting sections integrally formed with the boss, the boss supporting sections being flush with and not extending beyond the corresponding chassis surface; and a fixing support groove recessed around the central opening and disposed in at least one of the upper and lower surfaces of the chassis, at least one of the upper and lower boss supporting sections being molded in the corresponding fixing support groove.

Abstract: A rotatable and transferable stanchion assembly includes an elongate body having an upper end portion adapted to receive and secure thereto an accessory, and a lower end portion. A cap is mounted on the lower end portion of the body and has a lower portion with an outer external surface. A location plate, which is fastened to a flat surface, has a socket formed therein shaped for receiving the lower portion of the cap. A stud and bolt assembly secure the cap to the location plate in such a position that the lower portion of the cap is disposed within the socket of the location plate wherein the body and cap are adapted to rotate relative to the location plate. A locking plate of the present invention rotatably locks the elongate body and cap in place with respect to the location plate at a desired angle of rotation.

Abstract: A connector assembly is provided that is adapted for use with a spindle. The connector assembly includes a bar formed to include an opening having a central axis and a bar-opening dimension and a connector adapted to receive the spindle. The connector includes a base positioned to lie upon the bar. The base includes a base opening and a retaining tab that extends outwardly from the base. The retaining tab includes an outer surface having a dimension less than the bar-opening dimension and an inclined surface converging from the base toward the central axis.

Abstract: A fence rail clip attaches a fence rail perpendicularly to a fence post and includes a oval-shaped base which mounts to the fence post and a locking bracket which receives an end of the fence rail and interlocks with the base. The base has a tapered edge which is angled inwardly from front to rear and two counter bored holes formed therein for receiving a pair of screws. The locking bracket has a generally U-shaped panel with an outwardly extending peripheral wall, and has a similar shape to that of the cross-sectional shape of the fence rail. A channel is formed between a pair of spaced legs of the U-shaped panel and includes a narrow bottle-neck section formed between an oval-shaped section which is complementary in shape to a rear of the base and an outwardly angled bottom section which guides the bracket over the base. An outer edge of the channel is tapered inwardly from a front to a rear of the locking bracket in a complementary relationship to the tapered edge of the base.

Abstract: The present invention involves a toy construction block set which includes at least two toy construction blocks and at least one toy construction block extender which are removable and attachable. A top of the block has a plurality of symmetrically arranged elongated protrusions for interlocking with a recessed bottom having a plurality of projections, on other, similar blocks. A toothed hole is located on at least one of the top, sidewalls, or a friction post of the block for angularly interconnecting with an elongated toothed interconnecting positioning rod located on at least one of the top, sidewalls, or bottom of a similar toy block. The elongated toothed interconnecting positioning rod when inserted into the toothed hole of a similar block or block extender permits a number of angular alignments between the blocks and the extender proportional to the number of teeth on the elongated toothed interconnecting positioning rod and toothed hole.

Abstract: A method for treating contaminated solids such as contaminated soil or sludge includes feeding the solids into a preheater and pneumatically conveying the solids through the preheater by preheated primary air into and through an oxidation chamber by cocurrent flow. Secondary air is directed into the oxidation chamber through a plurality of perforations in the wall of the oxidation chamber to combine with and sustain the fluidized state of the solid-gas mixture. The primary air is preferably produced by an air blower which blows the air through a preheater to produce hot air. The temperature of the fluidized bed is controlled by the temperature of the primary air. The temperature should be hot enough that the lighter hydrocarbons spontaneously ignite in the oxidation chamber. The exothermic combustion causes the remaining organic material present in the contaminated solids to then vaporize and burn.

Abstract: A walk-in child playhouse having pivotally attached seating surfaces. In one embodiment, the walk-in child playhouse comprises an enclosed rotomolded plastic structure having walls, a roof, and at least one chair or seat member pivotally attached to the playhouse. In another embodiment, the walk-in child playhouse has a garden party theme in which the roof has a canopy portion overhanging the rear of the house. Under the canopy are two chairs or seat members pivotally connected the rear wall and the roof via a pair of continuous bosses, the rear wall also having a substantially horizontally extending table disposed between the chairs and under the canopy. In another embodiment, the playhouse comprises a series of double-walled hollow parts that are interconnected by a unique snap interlock system. In yet another embodiment, the playhouse comprises a lateral connection member for joining various wall panels at a lower portion thereof.

Abstract: A retainer for seat which can be molded by a pair of metal molds and which prevents water from entering into a portion which locks a hook member. The retainer for seat comprises: a box-shaped leg body with an opening being inserted through a mounting hole; a flange extending outwardly from a vicinity of the opening; pawl portions protruding from outer surfaces of the leg body, and the peripheral edge of the mounting hole is held between the pawl portions and the flange; and retaining bodies protruding from the inner surfaces of the leg body in the direction of approaching each other, and resiliently retaining a hook member which is inserted through the opening.

Abstract: A wiper arm for cleaning the windscreen of an automotive vehicle. The wiper arm includes a fastening component which is provided with a receptacle for a wiper shaft, which receptacle is integrally molded to a sheet metal component forming a back and is flanked by side walls connected with the back. The receptacle, back and side walls are integrally molded in one piece to the fastening component, a flat construction and, simultaneously, a capacity for transmitting high torques are achieved in that the edges of the deep-drawn fastening component or rather the edges of the receptacle and of the side walls point towards the windscreen of the vehicle.

Abstract: Pultruded composite members which interfit to form a rigid post and beam, or beam and brace, are adapted for use in heavy construction in such applications as bridges, buildings including high rise structures, ship deck and the like. Two pultruded shapes are used for the entire framework. A first member ordinarily serving as a beam is pultruded as a completely enclosed thick-walled I-beam with an internal channel which is formed with a continuous scalloped or toothed cross-section on both sides. The mating support member has a bifurcated end with outer sides configured to interlock with the sides of the internal channel of the I-beam. Access into the channel is provided by periodic windows milled into the beam at the precise entry points of the insertion member. The bifurcated end of the insertion member compresses adequately to be inserted into the channel of the cross-beam, where it expands such that the external teeth engage the scalloped walls of the I-beam and lock securely into place.

Abstract: A saw chain drive device comprising a clutch drum and a drive member. The clutch drum has an axis of rotation and includes an end wall forming at least two apertures, and at least one of the apertures is radially spaced from the axis of rotation. The drive member includes at least two axially extending projections adapted to be received in the apertures of the end wall. At least one of these projections forms a circumferentially extending groove positioned to be aligned with the end wall of the clutch drum when the projections of the drive member are received in the apertures of the end wall.

Abstract: A method of making and erecting a framed structure, preferably single level, by milling standard pieces of lumber that are joined into a sturdy, rectangular frame is disclosed. Opposed Side Beams having dado cuts at their opposite ends are joined to opposed Face Beams having complementary dado cuts at their opposite ends. Floor joists connect opposed sidebeams and support subflooring or decking, and, to accommodate certain larger dimensional floorplans, Center Beams are built into the frame. The frame can rest on a periphery foundation or be erected over posts.

Abstract: A motor vehicle screen wiper comprises a screen wiper arm having a drive head fastened on an end portion of a motor shaft, which is part of a screen wiper drive unit. The motor shaft end portion comprises a conical portion which is received in a complementary through hole associated with the drive head, and which is extended by a threaded terminal shank on to which a fastening nut is screwed. The radial thrust face of the nut cooperates with a portion, in facing relationship with it, of the upper face of the drive head. The drive head comprises an orientation ring in which the conical through hole is formed, with one face of the orientation ring being formed with a set of ridges which cooperate with a complementary ridged engagement surface formed, in facing relationship with the ridged face of the orientation ring, on the body of the drive head. The body is formed with an oblong through hole through which the end portion of the motor shaft extends.

Abstract: A universal wiper arm connector including a U-shaped body having an upper arm formed with two flanges, two shoulders, a first and second tongues having a protuberance thereon, a lower arm provided with a third tongue having a protuberance thereon, and an axle perpendicular to the U-shaped body, whereby the universal wiper arm connector can be slid into a U-shaped end of wiper arms of different sizes.

Abstract: A rail structure includes two tubes each movably mounted on one of two bases and each having a catch mounted on an upper portion thereof. Two fasteners each have a lower portion detachably mounted on one of the two catches. Two supporting braces each have a first distal end attached to one of the two fasteners. A pivot bracket has two distal ends each pivotally engaged with a second distal end of one of the two supporting braces. L-shaped first and second resting rails each have a vertical section mounted on an upper portion of one of the two fasteners. A tubular block is mounted around one distal end of a horizontal section of the first resting rail and has a first transmission member rotatably mounted thereon. A second transmission member is rotatably mounted on one distal end of a horizontal section of the second resting rail and is pivotally engaged with the first transmission member.

Abstract: The present invention provides an assembly of a first panel formed with at least one insertion notch extending inwardly from at least one panel edge and a second panel carrying at least one projecting tab extending outwardly of at least one of its edge and fitting in one of the notches. The tab has on at least one of its sides a shoulder defining an edge which is located along the projecting length of the tab at a position intermediate the free edge of the tab and its base, which usually coincides with the edge of the panel from which it projects. The shoulder edge is in abutting contact with a region of the first panel adjacent the insertion notch in the first panel in which the tab fits and functions to maintain the associated edge of the second panel out of contact with the first panel so that the relative positions of the panels is determined by such abutting contact and is independent of other factors, such as the precise linearity of the panel edge.

Abstract: The present invention provides an assembly of a first panel formed with at least one insertion slot and a second panel carrying at least one projecting tab extending outwardly of at least one of its edges and fitting in the slot. The tab has on at least one of its sides a shoulder defining an edge which is located along the projecting length of the tab at a position intermediate the free edge of the tab and its base. The shoulder edge is in abutting contact with a region of the first panel adjacent one of the insertion slot and thus maintains the associated edge of the second panel out of contact with the first panel so that the relative positions of the panels is determined by such abutting contact. The first and second panels can be positively secured together by means of an interconnection element, preferably in the form of an integral flange bent up from one of the panels, which is attached to one or both other panel by screws, bolts and nuts or similar attachment devices.

Abstract: A method of constructing metal picket fences and components for use in building fences. Basically, panels are constructed by punching holes in frame tubes with a pyramidal punch to form holes with inwardly extending metal tabs. Pickets are pressed into the holes to form fence panels that are fastened to posts. An angled, self-locking pin system is provided to lock picket ends in frame tube holes to prevent the pickets from being removed. Straps can be fastened to the posts with fence panels fastened to the straps in a manner permitting accommodation of inter-post tolerances and ground slope changes. Blind fasteners can be used to fasten the straps to the posts and panels so that the fasteners cannot be easily removed. Several different embodiments of blind fasteners and post or surface mounting brackets are described.

Abstract: A tube and connector arrangement for a lighting fixture, including a tube having two symmetrical rails raised from the inside wall of the tube along the length, and a connector having a longitudinal center through hole for passing the electric wire of the lighting fixture and a stub rod within a circular recess on the periphery of the connector perpendicular to the longitudinal axis of the connector, the stub rod being fitted into one end of the tube and having a round hole communicated with the longitudinal center through hole for passing the electric wire and two longitudinal grooves on the outside wall at two opposite sides respectively made deeper toward the outer end and engaged with the symmetrical rails of the tube.

Abstract: A portable frame having a lower horizontal base ring and an upper horizontal open support ring interconnected by vertical rods which engage threaded pressure couplings on the rings. The couplings of the support ring have outwardly facing grooves for receiving a removable open locking ring which engages portions of the upper end of a plastic bag draped over the support ring and couplings thereof, to wedge said portions between the locking ring and support ring couplings, so as to retain the plastic bag in position.

Abstract: A scaffold system has a plurality of vertical members and a plurality of cross members connected by couplings. The vertical members and cross members are formed of polymeric matrix reinforced with glass and polymeric fibres. Each coupling includes a pair of annular flanges, positioned on the vertical members in a spaced apart relation to form a groove. Each flange is formed with a least one aperture to accept a lock pin which extends across the groove. In use, the lock pin locks an adapted end of a cross member in the groove by extending through the apertures of the flanges and an aperture in the adapted end of the cross member.

Abstract: The present invention provides an improved mobile body construction in the field of motor homes having relatively rigid side walls mounted to a floor above a chassis frame. A frame joint system is provided through use of metallic extruded joint members of a lightweight configuration, while maintaining a relatively rigid frame. These joint members are elongated and can be cut to the individual needs of the particular unit under construction, and comprise a hollow interior subdivided into strengthening polygonal cells. A floor interfacing beam is connected to the floor. The floor interfacing beam has a cross-section including two rectangular polygons and an approximately triangular polygon. The three polygons share a common surface which is parallel to the floor and are juxtaposed adjacent one another. A side wall interfacing beam is connected to the side wall, and has a cross-section including both a polygon having four sides and at least two approximately 90-degree angles and a vertical portion.

Abstract: A method of making and erecting a framed structure preferably single level, by milling standard pieces of lumber that are joined into a sturdy, rectangular frame is disclosed. Opposed Side Beams having dado cuts at their opposite ends are joined to opposed Face Beams having complementary dado cuts at their opposite ends. Floor joists connect opposed sidebeams and support subflooring or decking, and, to accommodate certain larger dimensional floorplans, Center Beams are built into the frame. The frame can rest on a periphery foundation or be erected over posts.

Abstract: A method of making and erecting a framed structure, preferably single level, by milling standard pieces of lumber that are joined into a sturdy, rectangular frame is disclosed. Opposed Side Beams having dado cuts at their opposite ends are joined to opposed Face Beams having complementary dado cuts at their opposite ends. Floor joists connect opposed sidebeams and support subflooring or decking, and, to accommodate certain larger dimensional floorplans, Center Beams are built into the frame. The frame can rest on a periphery foundation or be erected over posts.

Abstract: A partition wall component for connecting a drawer partition wall to a drawer side wall is fastened to the hollow front face of the partition wall and is detachable from the partition wall. The partition wall component is resiliently fastened to the side wall at a depression formed in the side wall and is fastened to the partition wall by one or more springs firmly engaged against the inner profile of the partition wall.

Abstract: A system for attaching fins (11) to surfboards and other surf craft utilizes fixing elements (12) embedded in the body of the board, these elements having slots (13) which receive tabs (18) extending from the end of the fin. The tabs are removably secured by grub screws (16) enabling fins to be removed for transport or upon damage.

Abstract: A cantilever mounting system for mounting a tube to a post to extend at approximately a right angle from the post that is maintained in a vertical attitude to the ground. The erected post can be utilized as a fences post, sign post, mail box post, or the like, and can be used for mounting the tube, or the like, that may be intended for receiving delivered items, such as mail and/or newspapers, and the tube includes at least one tab extending from one tube end that is for fitting into a slot that includes at least one hole formed therethrough. The tab hole is for receiving a peg type fastener that is fitted through the hole and blocks withdrawal of the tab from the slot to provide the tube cantilever mounting.

Abstract: A device for mounting a mobile part of an automobile vehicle headlight on a relatively fixed part comprises a generally spherical head joined to a first part by means of a rod. A substantially complementary cavity is fastened to the second part. The head is forced fitted into the cavity through an opening into the latter. At least one flexible tongue is provided in the vicinity of the cavity and is adapted to deform elastically to enable insertion of the head therein and, after such insertion, to impede extraction of the head from the cavity. The cavity defines a stable position for the head in which the flexible tongue(s) are not in contact with the head. The device is used to adjust the reflectors relative to the headlight units.

Abstract: A rolled metal fence rail is incorporated into a picket fence which employs two or more such rails, each rail being formed by a single metal sheet which has been rolled to enclose an upside down and generally U-shaped channel or space, the space being formed by a plurality of interconnecting walls comprising a top transverse wall, an inner bottom wall spaced below the top wall, two upright outer side walls extending downwardly from the side edges of the top wall, two upright inner side walls connected to the side edges of the inner bottom wall, the lower ends of the upright outer side walls connecting with the lower ends of the upright inner side walls. The space between the top wall and the bottom wall forms a relatively narrow raceway to restrict vertical movement of the pickets when they are mounted on the retaining rods.

Abstract: A furniture base construction comprising a top plate mounted on a hollow, vertical standard, which is connected to a hollow, horizontal base. The connection between the vertical standard and the horizontal base forms a male-female joint with interlocking edges. The interlocking edges of the joint resist both rotational and lateral forces. The joint between the vertical standard and horizontal base, is maintained in compression by two tension members connecting an upper mounting plate secured within the vertical standard and a lower mounting plate secured within the horizontal base. Holes in the underside of the horizontal base, aligned with openings in the lower mounting plate, provide access to the tension members.

Abstract: A collapsible table includes four stretchers connected at four sides by four four-way pipe joints and two stretcher connectors, four upright supporting frames respectively and vertically connected to the four-way pipe joints at the bottom, a table cloth having four sleeves at four sides respectively mounted around the four stretchers, and a bracing device having four bracing bars radially suspended below the table cloth and respectively connected to either upright supporting frame by a respective clamping plate, and four anchoring devices respectively mounted on the upright supporting frames for fastening to the ground.

Abstract: A lightweight structure for a flatbed trailer having a cellular stiffening structure formed from a plurality of vertically arranged partitions which form a multiplicity of polygonal cells is disclosed. The cellular structure has the advantage of providing a strong lightweight structure which efficiently transmits load forces from the floor structure to the base upon which the wheels, suspension system, kingpin and landing gear are mounted. The resulting trailer has about a 4000 pound weight advantage over conventional steel frame trailers and about a 2500 pound weight advantage over conventional aluminum frame trailers, which translates directly into increased payload capacity as the trailer of the invention is capable of carrying loads up to the maximum legal weight limits in most states.

Abstract: The swivel joint for a support arm adjustably receiving an appliance, lighting fixture or the like, in which hoses, cables, lines or the like can be passed through the support arm and the swivel joint and can be fixed to the swivel joint and to the support arm; the swivel joint has two joint shells (3, 4), which are limitedly rotatable about a common axis (2) and are held together axially, each having one tubular outrigger arm (5, 6) for connection to one support tube segment (7) each, and both joint shells (3, 4) can be released by an actuation element (8) to move them into various rotary positions and can be locked in the particular rotated position.

Abstract: A column and beam joint system is used to make possible the construction of a large tower such as an electrical transmission tower, which has at least three and probably four corner legs or columns which are interconnected and supported by a lattice structure of cross members. The columns have specialized channels extending substantially their full lengths and the cross members have specialized locking ends which lock into retaining structure defined in the channels, permitting braces to be inserted and locked in place at any selected point along the channel. A technique for connecting a cross member brace between a column and another cross member is also disclosed. All of the principle parts of the tower are pultruded composites which are either used in their longitudinally extended form or sectioned as required by the application.

Abstract: A wedgelock laminated joint is an integral building connection allowing the rapid, accurate, secure jointing of a structural joist with a vertical post. A lock notch is mated by sliding a joist beam tongue through a central receptacle within a post beam until tightly mated, and then secured by placing a wedge into a keyway, which is an upper portion of the post receptacle, and tapping it snugly into the wedge keyway. This creates a sturdy nail free fastening of the floor joist and vertical wall post, easily fastened or unfastened, held fast only by the wedge which is finally secured with a set screw after all the desired number of rib sections are erected, trued and horizontally connected.

Abstract: The connection has a connection piece (1) which has two displaceable wedges (4, 13) in a bearing housing (8) . These wedges (4, 13) can be displaced in the bearing housing (8) independently of one another by a guide bearing (15, 16). In the working position, the wedge (4) extends into a dovetailed longitudinal groove (20) of a sectional bar (2). The front side (5) of the wedge (4) is profiled and engages a correspondingly profiled wall (22) of the sectional bar (2) in a positive-locking manner. The wedge (4) spreads two clamping tongues of the bearing housing (8) against the flanks of the longitudinal groove (20). By pivoting the guide bearing (15), the wedge (4) can be retracted, and the connection can be separated. A second wedge (13) is inserted axially into the interior space of a second profiled piece (3). This wedge (13) spreads two brackets (11) of the bearing housing (8 ). Both sectional bars (2, 3) have the same design and may be cut off to any desired length.

Abstract: A joint-and-beam platform structure is disclosed, which is dismountably built by coupling resin-coated metal beams or members with synthetic-resin joints having hollow sleeves into which ends of the beams are inserted to form a square or rectangular framework. Each joint comprise a pair of first and second sleeves, formed to extend at predetermined angles with each other, each of a cross-section largely shaped like the alphabet "B" to fittingly but removably receive therein a tubular beam of a similarly B-shaped cross-section. The tubular beams are each provided with screw holes in the middle of their curved circumferences to receive screws through aligned screw holes formed in the associated hollow sleeves of the joint.

Abstract: Construction utilizing composite pultrusion technology incorporates an internal web structure in the elongated members themselves, increasing the strength-to-weight ratio, while providing support for joint notches due to the strategic positioning of the webs. The joints themselves are modified to accommodate the exiting of one or two members from the joint at an oblique angle to provide more construction flexibility to make diagonal braces, for example. The improved techniques are incorporated into a power transmission tower which takes advantage of the electrical qualities inherent in composites to produce a mechanically and electrically strong tower.

Abstract: A structural connector used to interconnect at least a first and a second member which includes a cone-shaped male part having an approximately elliptical cross-section attached to the first member and a female part forming a correspondingly elliptical cone-shaped cavity attached to the second member and adapted to receive the male part, whereby upon receipt of the male part within the cavity of the female part the first and second members are interconnected.

Abstract: A hydraulic cylinder for a physical exercise equipment includes a cylinder body, a piston rod which extends outward from the cylinder body and which has an annular groove that is formed circumferentially in an outer end portion of the piston rod, and a coupling mechanism which includes a flexible end sleeve and a cylindrical metal retaining element. The end sleeve has a pivot joint tubular portion and a tubular protrusion which projects radially from the pivot joint tubular portion. The tubular protrusion is formed with a receiving recess which receives the outer end portion of the piston rod therein. The pivot joint tubular portion has a pivot bore formed therethrough so that a pivot pin can extend therethrough.

Abstract: A broom assembly of a basically wooden push broom comprises a wooden head portion including top and bottom surfaces, leading and trailing edge portions and remote lateral extremities, considering the direction of its movement in use. This head has a laterally centered throughbore opening at one end from the tope thereof adjacent its trailing edge and at its opposite end from the bottom thereof, adjacent its leading edge. A counterbore of the upper end of this throughbore produces an outwardly and rearwardly facing annular shoulder in its bounding wall surface. Securely wedged within this throughbore, towards its bottom, is the short tubular body portion of a rigid plastic adapter means, an external flange at the base end of which overlies the bottom of the head and an external lip at the upper end of which clamps over the aforementioned shoulder in the wall bounding the upper end of the throughbore.

Abstract: The fence rail and post connection of the present invention includes a hollow tubular PVC post with an opening formed in one vertical wall to receive a hollow tubular PVC fence rail. A hollow tubular PVC sleeve has flanges formed on the forward and rearward ends of the sleeve and is mounted within the post in alignment with the opening and the post wall. The sleeve is affixed within the post and a rail is then inserted through the opening and into the sleeve and affixed in position to form a rigid connection between the rail and post.

Abstract: System in which a stanchion and an attached accessory can be moved and locked to any one of a number of location plates, each plate having a socket to receive a cap at the lower end of the stanchion, and threaded means for locking the cap and socket together.

Abstract: An elongated housing having opposite ends is embedded in the sea floor. One end extends downwardly a substantial distance into the sea floor and the other end terminates adjacent the surface of the sea floor. The housing has an axially, vertically extending passageway therethrough. A tension member is located in the passageway and has one end connected to a lower portion of the housing and an upper end for connection to a floating vessel. Advantageously, means are provided for ensuring that substantially any vertical load transmitted to the tension member is transmitted to a lower portion of the elongated housing. In accordance with a preferred embodiment, means are provided for ensuring that any horizontal force components are transmitted to an upper portion of the elongated housing.

Abstract: A modular sign consists of an H-shaped metal frame. The pointed legs can be driven into the earth by stepping on the cross rail. Plastic side tubes are slid over the upper arms of the H. The tubes have slots cut through the side partway down from the top; the edges of a sign board are inserted into them. The top and bottom edges of the sign board are inserted into slots cut into the sides of a top and bottom tube, respectively. The ends of the top and bottom tubes are inserted into holes bored through the side tubes, which are of larger diameter than the top and bottom tubes. Thus the sign board's edges are completely covered by the tubes. For extra strength the top tube may be fastened to the side tubes at either end. For indoor use, the lower frame legs are slid into feet in the shape of an inverted T for stability.

Abstract: An improved ladder structure comprising a pair of stiles, a plurality of rungs, and a plurality of brackets. Wherein, each bracket consisting of two parallel arms, with a securing hole formed on each parallel arm, and a connecting surface running between the parallel arms, with a rivet hole formed thereon. Each rung has a pair of insertion recesses formed on either end, each recess being diametrically opposed with the other. At a predetermined distance inwards form each insertion recess is formed an insertion slot. Both the insertion recesses and insertion slots pass through one of a pair of through-holes formed internally on opposing arcuate surfaces of a rung, extending from one end to the other. Whereby, on either end of a rung, a pair of opposing brackets are inserted into corresponding insertion slots and insertion recesses, and subsequently secured in place by insertion of dowel pins into the through-holes.

Abstract: An easily movable display mounting system including a mounting cup (12) secured to a slot wall by a T-shaped fastener 26.