Abstract: A landscape terracing material comprising a body member of predetermined length, height, and thickness dimensions having a first face and an opposing second face. A plurality of ribs to provide anchoring of the body member are constructed integrally with the body. The longitudinal ribs project from an opposing second face of the body member to provide an anchoring effect in terraced soil.

Abstract: A flexible connector is disclosed for connecting one section of a curtain rod to another section of a curtain rod and for forming an easily adjustable transition corner between the two sections. The connector includes snaps and stops for locking the connection between the connector and the two curtain rod sections.

Abstract: A reversible curved frame for pictures or other generally planar decorative items. Curved channel segments are joined end to end to form an endless frame. Links received with the channels at the ends thereof retain the segments in joined relationship.

Abstract: To permit easy interchangeability of a doctor blade unit which could be a "throw-away" or "recyclable" item, the doctor blade unit and a carrier element (8) on the printing machine are formed with interengaging plug-and-socket connections formed, respectively, on the carrier element (8) and the rear wall (2) of the chambered doctor blade unit (1), in which the plugs can be hollow plugs or pipe stubs, secured to and projecting from the carrier element (8) snugly fitting into reception openings (13) formed in the rear wall (2) of the chambered doctor blade unit.

Abstract: A connection system is disclosed for securing tubular truss members together in a manner that keeps the attachment connectors internal and out of sight. The connection comprises tubular truss members with diametric opposite countersunk holes sized to accept flush nut inserts, screws, and a core connector that is sized to be intermediate to the tubular truss members. The core connector provides anti-rotation of flush nut inserts, while screws and flush nuts are tightened to secure connection.

Abstract: A high strength plastic tube and connector combination wherein the plastic material is short carbon-fiber resin, such as polyetheretherketone (PEEK), which is extruded to form the tube with an axially extending matrix of internal support walls to form a plurality of passageways; and the connector is formed by injection molding with a short cylindrical section having a similar matrix of reinforcing walls, but with axially ending projections from its end or ends, which projections are shaped to fit slideably into the passageways at the end of the tube, to be secured therein by a structural aircraft adhesive.

Abstract: A dowel system for securing in a generally abutting relationship two parts or pieces of material having facing surfaces and preformed, aligned annular recesses. The dowel system includes a tubular body having sidewalls which are thinner near the middle of the body than at the ends thereof. The tubular body is dimensioned so that opposite ends thereof may be inserted into respective annular recesses of the two pieces of material, with enough room being left around the sides of the tubular body to allow adhesive to be put in place in the annular recesses to join the tubular body to the sidewalls of the annular recesses.

Abstract: A connector sleeve device for connecting together first and second posts comprises a sleeve having an outer surface dimensioned to be received within the interior surfaces of the first and second posts. A first flexible protrusion is formed in a mid-region of the sleeve and has an abutment surface adapted to abut an end surface of the first post when the sleeve is received therein. The contact between the abutment surface and the end surface prevents the sleeve from being moved further into the first post. A second flexible protrusion is formed in the mid-region of the sleeve and has a second abutment surface adapted to abut an end surface of the second post when the sleeve is inserted into the second post. The contact between the second abutment surface and the end surface of the second post prevents the sleeve from being moved further into the second post.

Abstract: In a tongue and groove log joint a seal seating channel is formed in the base of the longitudinal groove and a resiliently flexible seal is seated in the seal seating channel. A slot may also be cut in the base to accommodate a reinforcing metal rod. In a butt joint in which a second log underlies the butting logs a seat is formed in the edge of the second log in alignment with the locking slots of the butt joint to receive an end of the locking pin. The seat locks the locking pin against longitudinal movement with respect to the second log. In a wall construction in which the logs of the adjoining walls are connected by an overlapping tenon joint, a first pair of elongated tubular cavities arranged one on each side of a first interface and a second pair of elongated tubular cavities arranged one on each side of a second interface.

Abstract: A helical spring coupling for coupling together two helical spring ends, particularly two ends of a carrier in the form of a helical spring in a conveyor, comprises a coupler which is in engagement with both helical spring end portions. Over a certain distance the turns of the two helical spring end portions are turned coaxially into one another and lie one against the other in the axial direction. The turns fit into a helical groove formed in the coupler and whose pitch coincides with the pitch of the turns.The coupler may consist of an elongate core part having a helical rib provided on its outer peripheral surface, the groove being formed in the outer side of the rib. The two helical spring end portions may be fixed by one or more threaded bolts extending transversely through the coupler and pressing against the turns of the helical spring end portions in the groove.

Abstract: A support for a beverage container which may be placed around the neck of the user is provided. The support includes an adjustable plastic neck ring consisting of interfitting flexible vented tubing sections. A flexible support member is suspended from the neck ring and includes a first leg and a second perpendicular leg. A serrated hole is provided in the second leg to grip the container while a container stabilizing ring is attached to the first leg.

Abstract: A railing system is composed of vertically aligned metal tubes and cross-members which are metal tube rails. The posts are formed with round protruding bosses whose outer diameter (OD) is the same as the outer diameter of the posts. The rails also have the same outer diameter. The bosses and rail ends are brought into roundness, so that they match in a smooth circumferential seam, by round plugs forced into the bosses and rail ends. The post-rail joints may be welded in a circumferential weld; but preferably the posts and rails are joined by bolts connected to the plugs.

Abstract: An improved rotatable flagpole arrangement for supporting a flag or banner includes an elongate pole with structure thereon for mounting a flag or banner, a lower stop surface attached to the pole and a novel bearing arrangement between the stop surface and a support surface which utilizes a pair of embossed washers. The pole may be formed of a flexible material such as PVC so that it curves away from the wind as it rotates relative to the support socket, which creates a novel, dynamic visual effect.

Abstract: Three-dimensional balloon sculptures (50, 56, 66, 86, 88, 89, 90, 99, 125, 136, 137, 159, 160, 169, 178, 186) and methods of forming same from one or more basic balloon building blocks (106, 106', 106", 126, 159) each including at least one rigid lineal rod-like balloon former (100, 100', 138a, 138b, 149, 162, 174, 181, 182, 184) defining one or more lineal barrier(s) precluding distension of a portion of the sidewall of a conventional balloon of the type having a constricted neck portion (111) terminating at one end in an inflation aperture (112) and at the other end in an imperforate inflatable sidewall (108).

Abstract: A subsidiary work station loop for a work station conveyor system has a gravity fed rail assembly for trolleys shunted from the main conveyor. An elevator returns the trolleys from the lower end of the rail assembly. Four rail segments define this rail assembly and three of the four are supported by a single bracket and a single fastener. The rail segments are coupled by a pin and slot connection that permits limited angular rotation of one segment relative to the other, but which prevents relative axial misalignment.

Abstract: For power transmission between a wooden beam and another building component, for example another wooden beam, a blind bore and a vent bore opening into the bottom of the bore are formed in the wooden beam. An insert body is pushed into the blind bore. This body comprises two spaced end plates whose outer cross-section corresponds to the cross-section of the blind bore, and at least one, preferably four, power-transmitting bars whose ends are welded to the opposing sides of the end plates. Bar dowels are then driven in from the side of the wooden beam so as to penetrate spaces between adjacent power-transmitting bars. Epoxy resin is then pressed into the blind bore from the outside until the entire blind bore and preferably also part of the vent bore are filled in with resin. When the resin has hardened, the resin body and the steel parts form a composite body. Connecting members may be attached to the outer end part.

Abstract: A fastener for entering holes in two adjacent bodies to hold them together and to be completely concealed therein including a flexible resilient tubular body having at least one locating tab centrally located thereon for determining the extent to which spaced portions of the tubular body on opposite sides of the locating tab may enter holes in the adjacent bodies, and resilient flexible locking tabs struck up from the spaced portions of the tubular body for retaining them within the adjacent bodies in which they are located.

Abstract: Successive hollow polygonal bodies which are made of a ductile material and each of which has three corners and two straight open-ended terminal portions are converted into rectangular spacer frames for use between the panes of multiple pane windows by orienting the polygonal bodies in such a way that the terminal portions extend downwardly from their open ends, by admitting metered quantities of a flowable desiccant into selected parts of the two terminal portions, by converting one of the terminal portions into an L-shaped frame member with a section which is in register with the other terminal portion, and by inserting sealing plugs into the open ends of the two terminal portions.

Abstract: A headboard for a sofa bed or a daybed wherein the headboard is defined by a pair of oppositely disposed and aligned half sections mounted together by means of securing connectors whereby the upper and lower rails are coupled together. The securing connectors are formed from an elongated body defining a brace member. The brace member includes laterally extended arm members positioned between the ends of the brace member whereby oppositely disposed connector lug members are defined. These connector lugs are secured in slots formed in the respective free ends of each half section. A joint plate is also employed and is adapted to be inserted in selected slots of the rail members.

Abstract: A first coupling part (6) consists of a bushing (10), a coupling bolt (11) and a ring (12) and is inserted into the end of a pipe (2). Two rest lugs (16) of the bushing (10) engage there into rectangular break-throughs (5) of the pipe (2). The coupling bolt (11) is turnable in the bushing (10) and lies with a head (26) against it. It is joined secure against with the ring (12). This has support shoulders (32) for the support of the face surfaces (4) of the pipes (2, 3). On its circumference it has two wrench surfaces (34). A second coupling part (7) is cup-shaped and is likewise snapped in place with rest lugs (42) in break-throughs (5) of the other pipe (3). The base (43) has an oblong hole (46) through which a bolt (45) of the coupling bolt (11) can be inserted. After turning of the bolt (11) through 90.degree. a spherical supporting surface (47) of the bolt (45) lies against the cylindrical support surface (44) of the second coupling part (7) and clamps the coupling.

Abstract: Assembly apparatus for the connection of two roof beams at the level of the ridge, for providing frames and structures, comprises two cast members (1, 1') identical to each other, each being disposed fixedly partially in the interior of the upper end of each roof beam (2, 2'). The cast member (1) is disposed head to tail with respect to the cast member (1') and the two members (1, 1') each have a protruding portion (3, 3') spaced a substantial distance from a recess (4, 4'). The protruding portion (3, 3') of each member (1, 1') engages in the recess (4', 4) of the other member (1, 1') to provide two connections (3, 4' and 3', 4) between the beams (2, 2'), these connections being disposed closely adjacent respective ends of the beams (2, 2') and coacting to ensure the assembly and securement of the roof beams (2, 2') by mere insertion.

Abstract: A bicycle frame having an improved lug design is disclosed. The inner lug has a first external diameter and a second external diameter with the first external diameter being longer than the second external diameter the circumference of the second external diameter has at least two flanges which are shorter than the length of the second external diameter. The circumference about these flanges is equal to the circumference about the first external diameter of the lug. The tube to which the inner lug is joined has a first internal diameter and second internal diameter, the first internal diameter being at the free end of the tube and larger than the other external diameter. The length of the first internal diameter is at least equal to the sum of the length of the first external diameter and the flanges of the inner lug. The second internal diameter of the outer lug is larger than the second external diameter of the inner lug.

Abstract: A coupling, for joining shaft elements that rotate about a common axis to one another in a rotationally and bending-resistant manner includes fit bores, concentric to the axis of rotation, in both shaft elements, the fit bores being concentrically surrounded at one face end by engagement surfaces. A fit peg that includes connection elements, which cooperate with corresponding connection and counter elements in the two shaft elements, is inserted into the fit bores.

Abstract: An assembly for dampening shaft vibration and noise. An annular torsional damper is fixedly mounted to a cylindrical flange of a mounting adapter. The opposite ends of the adapter are cylindrically shaped and extend into the adjacent ends of a pair of shafts which are affixed thereto.

Abstract: A controlled environment system and method for constructing same provides for the containment and safe handling of toxic waste materials which are ultimately collected and disposed of without contamination of the external atmosphere. The system generally comprises a frame, a seamless tube-like liner connected to the interior of the frame, at least one air lock disposed within the liner for compartmentalizing the liner, and a negative pressure source for creating a negative-pressure environment within the liner so as to prevent the escape of toxic waste materials therefrom. The invention also includes a unique retainer ring for interconnecting adjacent structural members during assembly, and for rapidly disconnecting the structural members during disassembly without the use of a tool.

Abstract: A construction of portion for connecting a golf club-head (11) and a golf club shaft, comprising a vertical first elongated hole (13) extended from the upper end of and toward a point midway in the neck member (12) of the golf club-head, and a vertical second elongated hole (14) having a smaller cross section and extended downward from the base of the first elongated hole (13) in the neck member (12) of the golf club-head (11). The hollow golf shaft fitted with a reinforcing pin (16) having upper and lower fitting portions (16c, 16c) is fitted into the first and second elongated holes (13, 14). This provides an improvement in the strength of the portion connecting the golf club-head (11) and the golf club shaft (15).

Abstract: An arrangement for a wall, for example, for dividing up a room or for constructing an exhibition stand or a reception kiosk, etc. The arrangement comprises a number of preferably individually executed, mutually interchangeable panel sheets. These are so arranged as to be secured by means of connecting elements designed to engage on the opposing edges of adjacent panel sheets. Characteristic features of the invention are that the panel sheets are executed along at least two opposing edges with longitudinal channels, and that the aforementioned connecting elements, which are at least two in number on the edge of each panel sheet, are so arranged as to connect the panel sheets with a space relative to one another and are executed with internal opposing grooves. When the connecting elements are installed between the two panel sheets, the grooves will coincide with the channels, so that a strip-shaped decorative element can be inserted in the channels and the grooves and can occupy said space.

Abstract: A quick release joint (10) for interconnecting structural modules such as table or shelf units (54) in stacked configuration comprises a ball and socket type joint constructed and/or arranged to provide structural integrity in the assembled condition of the joint. In one embodiment abutment surfaces (46, 48) on the ends of the ball and socket joint elements make face-to-face contact and thereby hold the joint in a fixed configuration. In another embodiment, three or more joints at the corners of a triangle provide structural integrity. In a further version, abutment surfaces on the structures joined themselves prevent pivotal movement of the joint. In all cases the joints are assembled merely by compression and disconnected by application of tension.

Abstract: A roll bar is disclosed herein for use as a decorative unit for installation in a truck bed having a pair of substantially U-shaped members composed of tubular stock anchored at their ends to the truck bed arched upwardly with their cross pieces joined together by a pair of clamping elements in spaced-apart relationship. Each member is comprised of several lengths of preformed segments that are joined in end-to-end relationship by inserts coupling adjacent ends together. The inserts may take the form of split cylinders, tapered portions, shaped tube ends, beaded solid plugs and the like. Clamps may be employed where applicable and angled mounting brackets are optional for use where the mounting surface is uneven or irregular.

Abstract: Disclosed is a compensating roll pin securing a heat sink to a circuit board. The roll pin comprises a deformable body of resilient material, such as annealed spring steel, formed into a generally cylindrical body having first and second end portions separated by a middle portion of enlarged external diameter and an axially extending gap in the surface of the body. A method of use is also disclosed wherein the first end portion of the roll pin is inserted into an aperture in a heat sink and the middle portion deformed within the aperture to form a tight fit between the pin and heat sink. A substantial part of the middle portion remains outside the aperture in the heat sink. The second end portion is inserted into a hole in a circuit board and forms an interference fit therewith. The middle portion forms a stop to prevent further insertion of the roll pin into the circuit board so that a gap of predetermined distance separates the heat sink and circuit board to enhance cooling.

Abstract: As shown in FIG. 3, a connector comprises a body (1) and a plurality of detachable connecting members for connecting the body (1) to a rod or tube, wherein the body (1) is provided with a plurality of threaded apertures (11) for receiving threaded end portions of the connecting members. The connecting members are form-locked to the connector body (1) to prevent relative rotation, by means of a hexagon head solid with the connecting member and received in a corresponding recess (12) in the connector body (1), thus preventing relative rotation between the connector body (1) and connecting member (31). In a preferred form, the connector body (1) is a pentagonal prism having two pairs of adjacent faces (4,5;6,7) at 90.degree. and the remaining three pairs (5,6;7,8;8;4) at 120.degree..

Abstract: The present invention relates to an improved connector assembly which is made of one-piece design and construction with two sections that can move relative to each other to thereby provide a connector assembly which can pivotally connect the adjoining end portions of an upper and lower string of sucker rods that are angularly disposed relative to one another within a tubing string of like angulation. Through use of the present invention one-piece connector assembly, the string of sucker rods can be inserted through various dog-leg sections in the well bore hole and further are able to absorb longitudinal forces which may be exerted on the sucker rod strings thereby permitting the sucker rod strings to reciprocate without being subjected to stress from numerous frictional forces.

Abstract: A tailgate for a pickup type vehicle comprised of separate closure members arranged end-to-end and having adjacent ends abutting and rigidly secured to each other to form a single tailgate. Since the tailgate is comprised of separate closures, it can be easily shipped. The closure members can be readily assembled by the user and be used to replace existing tailgates. Moreover, due to the fact that the closure members may be covered with permeable material, it is well suited as a low drag replacement tailgate.

Abstract: The invention comprises a cured-in-place resin augmentation of the pin assembly of extruded, anodized, bicycle wheel rims and the like.

Abstract: A method and apparatus for coupling the drive shaft of an integrally molded modular screw conveyor is disclosed. A non-circular elongated drive shaft includes a non-circular axially extending aperture for receiving a first end of a coupling member having a corresponding size and shape such that rotation with respect to the shaft and coupling member is not possible. In addition, both the shaft and the coupling member define aligned recesses for receiving a locking pin so as to also prevent axially movement between the two. An integrally formed screw conveyor module includes an axially extending aperture with a size and cross-sectional shape for slideably receiving the drive shaft such that rotation is prevented between the drive shaft and the module. The locking pin is held in position by sliding the module over the locking pin when it is in place within the shaft and coupling member.

Abstract: An invisible connection for faced parts, in particular for furniture. The adhesive for the connection is hermetically enclosed in a sheath consisting of flexible or easily breakable material. The sheath of adhesive is introduced as an independent component into the borehole of the connection, the sheath being destructible on driving-in or pressing-in the connecting member.

Abstract: A device comprising a frame composed of lengths of tubing and coupling pieces interconnecting the same, coupling piece and coupling piece parts for the same, each coupling piece having a cubical body provided on each outer face with a recess with undercut engaging rims for receiving a base part of an arm connected with a tubing and having complementary engaging rims in a manner such that the arm is fixed in place at least in the direction transverse of the outer face. The edge of the body is equal to the thickness of the tubings, the body consists of two identical parts having a square head face, each part having complementary connecting means for joining a body part by a base face to the base face of the other body part in a direction transverse of the head face, while each side face has a recess which is accessible only from the base face for the base part of the arm and which forms, together with a corresponding recess in the other body part, the recess for receiving the base part of an arm.

Abstract: A support arrangement, in particular for fastening of walls, adjustable walls, partition wall elements, boards and the like which consist of individual pipe sections. Between two of the pipe sections there is inserted an intermediate piece. The intermediate piece is provided with an annular recess for receiving of fastening elements therein. All pipe sections and intermediate pieces are guyed against one another by a pull rod which extends through all thereof.

Abstract: A releasable coupling for connecting a first and a second component to one another, includes a first sleeve-like hollow member affixed to an end of the first component and a second sleeve-like hollow member affixed to an end of the second component, an expander mandrel supported in the first hollow member and arranged for an axial motion with respect to the first hollow member to assume an advanced position in which it projects into the second hollow member to be surrounded simultaneously by the first and second hollow members. The expander mandrel includes an expander element and pressing elements operatively connected to the expander element for displacement generally radially outwardly by the expander element into an expanded position for a simultaneous engagement with the first and second hollow elements thereby clamping the first and second components to one another.

Abstract: A rail system for elevators includes a plurality of omega-shaped rail sections. Adjacent sections are spliced together by a common tube, projecting into the adjoining hollow sections of rail, which is secured by clamps. The rails are mounted to a building structure by brackets that have a circular portion, engaging the interior space of the rail sections, and projecting portion that can be mounted to the building structure.

Abstract: Corner pieces for frames are used for joining together frame sides situated adjacent the corner piece. The frame sides are tubular or profile-shaped and adapted in their inner cavity to receive legs which are angularly arranged on the corner piece and interconnected by means of an intermediate part. Each leg consists of two parallel shanks and each shank is shaped so as to be complementary to the cavity of the frame side profile engaging the respective shank so that the shank can be inserted guidingly and with a certain friction in the cavity of the profile. The corner piece is composed of two identical corner parts interconnected by fastening means, the legs and the intermediate part of the corner piece having, on one hand, a first symmetry plane coinciding with the frame plane and, on the other hand, a second symmetry plane or bisector plane bisecting the angle between the legs of the corner piece. The second plane is perpendicular to the first symmetry plane.

Abstract: Connection of two spacer frame hollow profiles which are usable for the production of an insulating glazing and, possibly, are filled with a drying agent. The abutting edges of two hollow profile pieces are set against one another and a one-piece connecting body is seated in a hollow space defining a cavity on both sides of the abutting edges, the connecting body bridging across the abutting edges in a form-locking manner. The connecting body is a hardened fusion adhesive plug which is injected as a liquid through a wall of at least one of the profile pieces into the cavity.

Abstract: A coupling for connecting two elements such as building elements. The coupling comprises two profile members (4, 5) attached to the elements (2, 3) to be connected, and a spring member (10). Each profile member has an L-shaped opening (6) adapted to receive one edge of the hat-shaped spring member, which comprises a screw (14) at its mid portion. When the screw is tightened, the edge portions of the spring member are securely locked in the L-shaped openings (7) and interlock the two elements. The coupling comprises preferably two spring members (FIG. 1).

Abstract: A chair which includes a seat frame having depending leg members and a pair of upstanding, spaced apart members arranged to provide a lower backrest part for the chair and an upper backrest frame part having a pair of spaced apart depending members in registry with the upstanding members, said members being hollow with open extremities, and flexible spring means secured between each pair of members to provide an articulated, flexible spring backrest for the chair. Each flexible spring means includes a molded plastic support strut having a wire cable flexible core to maintain the strut under compression and limit the elongation thereof when a force is exerted on the backrest by a user of the chair.

Abstract: A load-bearing bar (1) for office furniture, the bar having a modular structure and being defined by a number of interconnected modules each consisting in a bar segment (18) having a substantially U-shaped cross-section. Each bar segment (18) is formed by two lateral beams (2) rigidly connected to each other by an intermediate base element (3) which supports a channel-defining member (59) for telephonic and electric wiring.

Abstract: A bicycle comprising a plurality of lugged members, each having a plurality of substantially cylindrical stub inserts extending outwardly therefrom, and a plurality of hollow, substantially cylindrical tubes which receive the stub inserts in their ends and join the lugged members together to form the frame. Each of the stub inserts includes an inner portion having a first outside diameter and an outer, pilot portion having a second, smaller outside diameter. The tubes are sized such that their inside diameters form a slip-fit with the pilot portions and a press fit with the inner portions of the inserts. An appropriate metal adhesive is applied to the pilot portions to form a bond between the pilot portions and the tubes so that the frame components are held together by the adhesive bond as well as the press fit engagement between the inserts and tubes. The press fit engagement is such that the frame is capable of storage and handling prior to the setting up of the adhesive bond.

Abstract: A twisted cable assembly and a method of making the same. The cable assembly comprises first and second spaced apart end spools and a continuous length of wire. The wire is looped around and extends between the end spools, and sections of the wire between the end spools are twisted into a composite strand. With one embodiment, an elongated malleable wire also is connected to and extends between the end spools to hold the cable assembly selectively in a range of curved positions. With an alternate embodiment, a stiffening wire is connected to and extends between the end spools to inhibit bending of the cable assembly.

Abstract: Clamping is provided for a drive shaft tube to a housing that uniformly distributes the clamping forces, eliminating high concentrations of clamping pressure, and accomplishing clamping in an aesthetic manner. A one-piece tubular housing, having an inner surface, for the trimmer head includes a drive shaft component within it. A tubular casing containing a flexible drive shaft has an outer surface for receipt by, and engagement with, the trimmer housing inner surface. A pair of clamping components having an arcuate extent generally comparable to the circumference of the tubular casing inner surface engage the inner surface, and clamp the tubular casing to the trimmer housing inner surface by the action of a pair of screw fasteners having heads exterior of the first housing, and threaded shanks extending into threaded engagement with openings in the inner clamping components.

Abstract: An improved design of an elbow for a staircase hand rail wherein a specially designed intermediate bearer is used to join the elbow terminal of two adjoining, separately provided hand rails.

Abstract: Coupling apparatus comprising two plates to be coupled together, with each plate carrying a locking mechanism for receiving a coupling member, the coupling member having two ends, each end being adapted to engage and couple to the locking mechanism on one of the plates whereby the two plates can be rigidly coupled together.