Abstract: A tensioned grating fastener that includes a deep draft saddle clip of U-shaped configuration that is engagable with a pair of load-support bars of a criss-cross configurated grating, an elongated foot that is provided with a vertical upstanding headed stud which projects through a hole of the saddle clip and a coil spring that is concentrically mounted under slight compression about the stud between the head of the stud and the base of the saddle clip. The depression of the headed stud compresses the coil spring and permits the foot to be rotated from a position in alignment with the saddle clip to a position at an oblique angle thereto, such that one end of the foot is beneath and in engagement with a flange of an underlying grating support member, and the opposite end, beneath and in engagement with one parallel load-supporting bars of the grating.

Abstract: Watercolor paper is water expanded and placed on the surface of the watercolor paper constrainer for drying and use by the artist. The watercolor paper constrainer consists of a rectangular base defined by constraining straps and tightening screws capable of constraining industry-standard size watercolor paper at the edge-line to obtain a fully flat sheet for full-format painting.

Abstract: A jack hold down apparatus is provided for threadably engaging an elongate, projecting externally threaded post member and advancing and retracting therealong for respectively engaging and disengaging an edge part of an automotive jack for holding the same in, and releasing the same from, engagement with a given surface. The apparatus comprises a first component comprising a jack-engaging member including a body having a through opening for receiving the post member therethrough and defining an axis, a radially projecting lip portion for engaging an edge part of the jack, and an axially projecting connecting portion for receiving a second component. The second component comprises a manually graspable knob having a through opening coxially alignabel with the through opening of the first component and a cooperating connecting portion alignable with the first component connecting portion for assembly therewith in a generally radial direction, so as to be non-removable therefrom in the axial direction.

Abstract: A ganging clip (10) is adapted to mount to a pair of neighboring work surface support brackets (12) to secure together the work surfaces (14) mounted thereto and to adjust the relative heights of the work surfaces (14). The clip (10) comprises a central portion (36) and a pair of end portions (38) positioned in overlapping relationship to the central portion (36) so as to form a pair of resilient jaws (52) having extending therethrough a pair of screws (56). The jaws (52) are adapted to engage a pair of opposing horizontal legs (32) of the support brackets (12). Tightening of the screws (56) results in closing of the jaws (52) to securely clamp the clip (10) to the support brackets (12) and thus to secure together the work surfaces (14) mounted thereto. The relative heights of the work surfaces (14) may be subsequently adjusted by tightening or loosening either of the screws (56).

Abstract: An improved hold-down clamp (14) is disclosed for fastening a non-metallic grate (10), preferably formed of fiberglass, to a structural member (12). The clamp (14) includes a restraining clip (20) which prevents spreading of adjacent beams of the grate, and a hold-down clamp (46) which bears on the inner portion of the base of each beam. A threaded fastener (50) urges the hold-down clamp (46) toward the structural member (12), thereby forcing the bases of the beams into engagement with the structural member to clamp the grate to the structural member.

Abstract: A non-metallic strut support system using a fiberglass channel and composite thermoplastic bands to support piping or ducting used in corrosive environments. The structural strut has a pair of longitudinal flanges which project inwardly. Complimental composite thermoplastic support bands are provided which have a natural curvature for supporting a pipe or duct when the bands are engaged. The bands have flanges on their top portion which engage the flanges of the structural strut when the top portion of the bands are placed within the channel of the strut. The top portion of the bands provides easy insertion and removal of the bands from the strut channel manually, either by inserting and turning to fit in the lock position, or in close clearance areas the head can be compressed to provide snap-in placement into the strut. The bands are adjusted by a bolt in a housing on the end of one band and matching slots on the end of the other band.

Abstract: A mounting structure is disclosed including two pairs of spaced apart parallel rails with a longitudinal slot separating each of the pair. A trackway is formed under each pair of rails and a slider is slidable in the trackway and may be connected to a third rail orthogonally mounted on the pairs of rails, by means of a bolt passing through the slider and engaging a nut in a T-shaped slot in the third rail.

Abstract: A fifth wheel bracket mounting arrangement for fastening the bracket to the frame of a tractor having a frame including spaced channels. The mounting arrangement includes a mounting plate having one edge clamped to the horizontal flange of the channel member adjacent the free edge of the flange and secured to an angle member on the opposing side of the channel.

Abstract: There is disclosed a clamping device for holding-down a grid-like support member on an underlying flanged support beam, the device being taken in use from the side of the member which is remote from the beam and partly through a space defined between two generally parallel elongate elements of the member, and being manipulatable so as to bring the device into gripping engagement with a flange of the support beam.

Abstract: A safety device is provided for combatting "wind load" on ceiling constructions in both upward and downward directions, particularly in ceilings of the type wherein flanged panels are supported from tee shaped panel carriers which are suspended from the ceiling. The safety device comprises an inverted U-shaped clip or wire which fits over the panel carrier so that the central portion of the clip bears against the horizontal upper surface of the associated panel carrier and the legs of the clip engage and support the corners of four panels which meet a point beneath the central portion of the clip. The free ends of the clip preferably include bent-up portions which engage in holes provided in the corresponding flanges of the panels.

Abstract: A saddle construction for use in a motor grader having a fore-and-aft extending main frame comprising an upper portion having a generally longitudinal extending section forming a forward facing and a rear facing. The facings have a generally vertical orientation. The main frame has first and second pins slidably mounted transversely in the main frame in longitudinal spaced apart relationship. The forward facing of the saddle upper portion straddles the main frame and is fixably mounted to opposite ends of the first pin. In like manner, the rear facing straddles the main frame and is fixably mounted to opposite ends of the second pin. The saddle further includes a lower portion straddling the main frame and fixably mounted the rear facing. The main frame has a plurality of recesses formed in respective side walls of the main frame in longitudinal spaced apart relationship for seatably receiving inwardly directed landings formed on the facings.

Abstract: There is disclosed a locking pin subassembly (94) for pull out components of storage cabinets having a locking bar (86) of C-shaped configuration, a locking pin (115) projecting from a threaded stud which is engagable in a threaded nut (127). The nut is the shape of a parallelogram, the nut has two pairs of projections (133a and 133b) engagable with interior surfaces of the flanges (92) of the locking bar so that when the lock pin is threaded into the nut, the nut will be drawn toward the rear surfaces of the flanges with the projections engaging the rear faces of the flanges affording antirotational and antisliding contact.

Abstract: A converter mechanism for producing low density, pad-like resilient cushioning dunnage product from sheet-like stock material, such as for instance paper, with a separate mobile cart for rotatably mounting a roll of sheet-like stock material thereon in position for feeding the stock material into the converter mechanism. The cart comprises a framework open at its forward end and including spaced upright members, and adapted to receive therebetween in generally snug relation a laterally projecting portion of the converter mechanism for coupling the cart to the converter mechanism especially in a direction transverse of the converter mechanism and cart, and providing for expeditiously positioning the cart and the associated stock roll in proper position adjacent the converter mechanism.

Abstract: A clamp in the form of a generally L-shaped bracket or clip made preferably of a single stamping of spring steel or like material and provided with a threaded member, threading through the base of the bracket or clip. The top of the bracket or clip is provided with an angularly inwardly projecting integral portion terminating in a slightly downwardly bent flange forming a hook. The clamp is used principally for holding a sink bowl, or the like, in an opening in a counter top by cooperating with a generally L-shaped angle-iron strip welded to the underneath of the sink bowl flange. For removably holding the sink bowl in the opening in the counter top, the hook end of the clamp bracket body is engaged behind an inwardly bent flange portion of the angle-iron strip and the threaded member is tightened against the lower surface of the counter top proximate the opening.

Abstract: Structure for mounting a load cell enclosure on a bending beam is disclosed, wherein the load cell enclosure has a pair of mounting flanges extending from the enclosure and the flanges each have opposed mounting and exposed surfaces. A swivel footed clamp is provided for contacting each flange exposed surface and a beam surface in a manner to firmly secure the flange mounting surfaces to the beam.

Abstract: A shelf assembly (10) including apparatus (20, 22) for interlocking upright and transverse members (12, 14, 80, 90) without the need for separate fasteners or supplemental cross-bracing to achieve structural rigidity. The interlocking apparatus includes connectors (20) formed near the ends of the transverse beams, each connector comprising a lug (40) spaced from a side panel (30) of the transverse member (14) by a keyed pedestal (42). The pedestal is defined by spaced lug supporting legs (44, 46), joined by a curved interconnecting wall (48). The uprights include pairs of apertures (22) each defined by an upper slot segment (50a) having a lug clearance notch (52) and a lower slot segment (50b) having a narrowing transverse dimension.

Abstract: A clamping system for "temporarily" fixedly joining together two "I" beam or girder type structures on for example an offshore oil rig to set up for example a portable crane on the platform structure. The system uses four sets of opposed pairs of clamping elements, each set of which includes two related pairs of clamping elements which grip the beams and are bolted together, the clamping system being used in place of welding the beams or girders together. When it is time to move the structure, the clamping elements are merely unbolted, allowing the removal or replacement of the portable crane on the platform structure. The four clamping elements of each set include two pairs of side-by-side members which are positioned along side one another to grip the opposite edges of the top flange of the bottom, support beam and bear down on the upper surface of one side of the bottom flange of the upper, crane girder.

Abstract: A new and improved mounting clip for tongue and groove panels includes a body of thin flat sheet metal having a pair of deflectable wings on opposite sides adapted to be folded around opposite longitudinal edges of a flange on an elongated support member for the panel. The clip includes a panel support element between the wings having a tongue spaced from the body and adapted to engage a groove in the edge of the panel for securing the panel in place against the support member. Tongue and groove panels are installed transversely across elongated support members by mounting the clips on the supports and folding the wings over against the flange with the tongue of the clip engaged in the groove in the edge of the adjacent panels. The tongue of the succeeding panel is then inserted into the groove of the panel already in place and another clip installed to support the succeeding panel, etc.

Abstract: Method and apparatus for slip-connector structural joint which joins a horizontal beam and a vertical stud of a structure, such as a commercial building. A plate spans the beam and stud and is attached to the beam and has an opening therein which snugly receives an edge of the stud which is generally channel-shaped, and the connection with the stud permits a vertical slip joint. Thus, the stud is retained against lateral movement while vertical movement is available to present the desired slip joint.

Abstract: A rectangular channel member has coplanar spaced-apart wall portions defining a slot therebetween and each having a flange extending from the slot inwardly of the channel member and away from the other wall portion at an acute angle. A generally U-shaped connector is disposable within the channel member across the slot and includes rectangular recesses receiving the flanges therein. A threaded fastener engageable with the connector extends through the slot for engagement with a support member, tighening of the fastener causing deformation of the flanges by the connector for wedging the flanges in the connector recesses. The support member may constitute a bracket for coupling the channel member to another channel member, several different bracket constructions being disclosed for coupling to different types of channel members and for different orientations of the channel members.

Abstract: A coupler (for joining tubing to a shoring leg or the like, having a T-shaped bolt slot extending along the length of such leg) is formed of a sickle-shaped metal strap or extrusion, having a C-shaped central portion, a radial extension portion at one end, and a tangential T-portion at the other end, said T-portion being formed of a head and a relatively narrow neck with adjacent opposing shoulders; and a T-bolt secured through a hole in the extension portion. The head and shoulders defining the neck of the T-portion are spaced and shaped so as readily to accommodate therebetween the lips forming the T-slot when the T-portion is inserted generally perpendicularly into the T-slot and yet grippingly bite into said lips when the coupler falls into the cocked open position. This permits the coupler provisionally to cradle and hold the tubing in place before the T-bolt is fastened.

Abstract: A buckstay stirrup for a steam generator is formed from a single plate, requiring only cutting and bending. The plate after cutting is bent to form two angled support portions (24) and a central portion (20). The outboard section (22) of the intermediate portion is cut (32) so that it extends inwardly to engage the inner edge of a buckstay, which is in the form of an I-beam. The central intermediate portion (20) is formed to be located inwardly of the outboard portion and contains an accordian fold (30) to permit the shortening which occurs during the bending. The two intermediate portions (20,22) are in parallel planes spaced to accept the buckstay flange therebetween.

Abstract: A method and means for releasably rigidly fastening two standardized metal profiles intersected at an angle and lying one upon another are provided in which four L-shaped members each having two vertical sides are respectively applied at the respective corners of the intersection such that the outer faces of the respective sides of the L-shaped member abut against the respective edge portions of the metal profiles at the intersection lying one upon another and at the same time portions of the respective sides are made to protrude beyond the upper or lower surface of the metal profiles, whereby the confronting protruded portions of the sides of the L-shaped members are rigidly connected together by any suitable fastening means with the metal profiles being respectively interposed between the confronting sides, respectively.

Abstract: An attachment arrangement which includes a retaining bracket having clamping means and a bearing surface. The bracket has a cross-section which conforms to the outer shape of a bar to be attached to the flange of another beam. The bracket extends at one of its extremities into a bearing area which cooperates with the flanged beam.

Abstract: A grating fastener is provided having a base member, a saddle clamp and a swivel clamp rotatably mounted on the base member and spring biased perpendicular to the base member for ease of installation. The fastener is easily installed by rotating the swivel clamp parallel to the base member and inserting the assembly between two adjacent bearing bars and allowing the swivel clamp to spring to its engaged position automatically engaging the bottoms of two adjacent bearing bars. The saddle clamp engages the tops of the same two bearing bars engaged by the swivel clamp.

Abstract: A stamped, sheetmetal fastener for attaching electrical boxes or the like to steel studs or the like includes a first portion designed for attachment to an electrical box and a second portion designed for attachment to one of the flanges of a metal stud. The electrical box attachment portion comprises a wide and flat strip of sheetmetal with its midportions struck out so as to form a leg parallel thereto that has teeth thereon for gripping the electrical box. The flat strip and its parallel leg together slip snugly over the edge of an electrical box sidewall, and the teeth on the leg bite into that sidewall to create a semi-permanent connection therewith.

Abstract: A sheet metal spring clip for securing deck flooring having an underlying channel in juxtaposed relation to a supporting beam in generally perpendicular relation. The beam and channel each having flanges which extend in opposite directions from the point of contact between the two members. The clip includes means adapted to engage both flanges and an intermediately disposed spring loaded portions capable of elongation whereby the engaging portion grasp said flanges under tension.

Abstract: A prefabricated steel frame building structural system which is assembled with nuts and bolts and required no shop welding or site fabrication. The columns and beams in the building are fabricated from lengths of very high strength, light gauge, stiffened C-channel steel stock. Uniquely designed haunch plates and haunch plate stiffener angles are used for column-beam connections and novel ridge plates and ridge plate stiffener angles are used for beam-beam connections to form the two hinged end wall and intermediate frames for the building. Also used are novel corner girt clips for securing the girts to the corner columns; rake purlin angles for securing purlins to the rake beams; and purlin girt clips for securing purlins to the intermediate beams and for securing girts to the intermediate columns. Each of the mentioned components are designed so that they may be used interchangeably at both the left and right sides of the building, there being no specially designed left and right said components.

Abstract: In an electrical switchboard, the body of an aluminum connector is welded to a riser bus. Bolts clamp a horizontal busbar in electrical connection with the connector body and, at the same time, fixture the horizontal busbar with a projection of the connector body protruding through an opening in the horizontal busbar. The projection is then welded to the horizontal busbar along the edges of the opening therein to create a bolted/welded joint electrically connecting the horizontal busbar to the riser bus. The projection is of sufficient height to accommodate plural coextensive horizontal busbars of a multiple bar bus run, common, bolted/welded electrical connection with the riser bus.

Abstract: A mounting assembly for an agricultural implement utilizing a frame member having a first surface portion and adjacent opposing side portions, at least one pair of flange members extending from the opposing side portions, at least one pair of L-shaped clamp members engaging the at least one pair of flange members, each having apertures formed therein, a support member having at least one surface portion engaging the first surface portion and the at least one pair of L-shaped clamp members and including first and second apertures formed therein and disposed opposite the apertures in the at least one pair of L-shaped clamp members and securing members mounted within the apertures for connecting the support member and the frame member.

Abstract: A yoke-like attachment assembly for connecting a lifting hook with a lid portion of a nuclear reactor pressure vessel or the like, comprising a plurality of separate coupling assemblies extending parallel to each other between the lifting hook and lid, wherein each coupling assembly is capable of supporting the entire weight of the lid in the event of the failure of the remaining coupling assembly. Each coupling assembly includes a pair of spaced sheet-metal lugs, each mounted on a support plate assembly, with at least one bolt interconnecting the spaced lugs with the lifting hook positioned therebetween. Each support plate assembly is attached to a separate beam which, in turn, is attached to the lid.

Abstract: A bracket comprises a thin piece of rigid material having two parallel bends to form a bottom or rest on which the lower edge of a board or rail is to be placed, a side generally at a right angle to the rest to extend vertically up the side of the board, and an opposite side slanting upwardly and having an opening through which a steel post is to extend. Positioning a board between the vertical side and lugs of a steel post retains the slanting side in position to cause an edge of the rest to bear against flanges of the post and to be supported on a lug. Before a board is placed in the bracket, the side that is normally vertical is tipped until its upper edge contacts the flanges to place the opening toward a horizontal direction for allowing space for the rest to clear the lugs as the bracket is moved along the post.

Abstract: A free-standing, prefabricated, knock down, readily assembled and disassembled, relocatable vertical wall or space divider. Such wall dividers are useful for partitioning buildings and/or office complexes. The wall is made up of a plurality of individualized and decorative flush panel units which are interchangeable and which are adapted to be readily inserted within quadrilateral openings delineated by a novel wall frame and locked into place by hidden spline members that are mounted in the wall frame for translatory movement. The wall frame is fabricated in a novel assemblage of unique components which can present either a metallic or wooden exterior finish surface. The configuration of the wall frame components provides for lateral walls to extend outwardly not only at modular locations but also from any other desired location by use of novel adapters. The panels may be removed, redecorated and replaced as needed. Shelving or other appurtenances are attachable to the hidden spline members.

Abstract: The specification discloses an improved fastener particularly designed for anchoring sections of grating to an underlying support. The fastener includes a saddle clip for engagement with the top edges of elements comprising the grating. A leg is secured at one end to the saddle clip and extends downwardly therefrom. The leg slidably carries a foot which extends beneath the support for the grating. The foot is threadedly coupled to the saddle clip for actuation into engagement with the support to removably secure the grating in place.

Abstract: A scaffold fitting attached to a scaffold tube as a lever secured by a screw which passes through an intermediate aperture in the lever and which can be tightened to urge one end of the layer against a flanged member to clamp the latter directly against the scaffold tube.

Abstract: A post, pole or the like for wire picket fences is formed of a pipe like section having on its surface at least one projecting web pointing radially away from it and extending axially along part of its entire length. The web is provided with radially open grooves in which wires or similar fencing objects can be fastened. A retaining member slidably engaging the web is movable over the wire to retain the same.

Abstract: A clamping device for securing a conduit in close transverse relation to the flat web portion of a C-shaped support channel. The clamping device includes two identical straps each having a curved section for engaging a side of the conduit, a leg extending in depending relation from the curved section, and a fastening flange extending from the opposite side of the curved section. An abutment flange extends from the leg of each strap such that when the straps are in mounted position on opposite sides of the conduit the abutment flanges are positionable in side by side relation and resist outward separation of the legs.

Abstract: A framing system for a building, house, storage cabinet, or the like employing a plurality of novel structural members or clip-in-joists and a plurality of other structural members, such as channels, I-beams, or the like. The clip-in-joists are special channel members or extrusion joists which have a slot or cut in each leg thereof opposite each other and near the end of the joist. The slotted end section of the joist is adapted to be inserted or snapped-in a second structural member, such as an I-beam or channel member or other structural member having a similar receiving configuration. The member is preferably made of structural aluminum, but can also be made from metals such as iron, steel and the like or plastics such as PVC, ABS, styrene and the like. A wide variety of structural materials may be used, depending upon the particular requirements of the end or resulting construction.

Abstract: An optical rail system is provided in which the rails have top and bottom bearing surfaces and locating surfaces at about sixty degrees to the horizontal. The rails are clamped together at angles to each other and optical devices are secured to the rails by carriers. The clamping means and carriers have grooves with walls corresponding to the bearing and locating surfaces.

Abstract: A multi-purpose, extruded metal, joist-like structural member which is designed for use in connection with concrete formwork, the member being generally of I-beam configuration and having associated therewith novel facilities whereby it may be clamped to various types of support members either in the form of lengths of channel members or lengths of I-beams to the end that it assumes a proper operative position within a concrete wall or slab form installation.

Abstract: A fastening device such as a nut for a bolt that is passed through a tapered slot in one member so that it can be adjusted along the slot relative to another member before the bolt is tightened. The nut is double-tapered so that when it is drawn into the matching slot it wedges against the sides of the slot and positively locks the bolt against movement.

Abstract: A clip is disclosed for insertion into a C-shaped header for use in stiffening the header and concurrently attaching the stiffened header to an I-beam or the like. The clip includes a portion for insertion into the channel of the C-shaped header, said portion substantially filling a cross-section of the channel and contacting a substantial portion of the interior walls thereof, and one wall of the clip having integrally depending from one end thereof at least one leg or clip for engaging the I-beam and attaching thereto.

Abstract: In a connecting system for connecting a first hollow tubular member to a second member the first member is provided with a circumferentially-extending slot of a longitudinal extent sufficient to receive the second member therein, and the second member is provided with an arcuate slot of a width to receive the sidewall of the first member, the first member sidewall being engaged in the second member arcuate slot by rotation of the former about its longitudinal axis.