Abstract: A storage unit of the disclosure includes vertical posts on which beams that connect the posts are adjustably supported at selected heights. Each post has an elongated shape of a T-shaped cross section including an imperforate outer wall, imperforate side walls that extend inwardly from the outer wall in spaced relationship to each other, inner walls that extend from the side walls toward each other in spaced relationship to the outer wall, and flanges which extend inwardly from the inner walls and are connected to each other. Mounting openings are provided in each inner wall of the post along the length thereof for use in securing the beams to the post. Each beam has an elongated shape between the posts and opposite ends which include respective notches. At least one attachment tab is mounted within each beam notch for protection when the beam is not being used and for use in securing the beam to the post by projecting through one of the post mounting openings.

Abstract: A mounting socket is installed within a refrigerator which has a thin inner liner wall and an outer cabinet with an insulation space therebetween. The socket is capable of receiving a horizontally extending mounting bracket associated with an internal shelf. The socket has a body with an opened first end, a closed second end and an intermediate section. The intermediate section of the body is positioned within a hole in the inner liner with its second end located within the insulation space. The body has a cavity which is capable of receiving the horizontally extending mounting bracket. The socket has a lip which radially extends from the first end for sealed engagement with a first side of the wall. The socket also includes a plurality of locating dimples which extend radially from the intermediate portion of the body to overlie the other side of the wall to prevent the socket from being withdrawn from the hole.

Abstract: A boom assembly for a loader that is pivotally mounted on a tractor. The assembly includes a pair of boom arms which are pivotally connected at one end of the tractor. The arms are fabricated from two C-channels which are welded together. The arms have aligned inside apertures sized to accept a tube which is rigidly connected to both channels. The assembly is completed when a cross tie member envelopes the tubes and is rigidly secured to the inner C-channels.

Abstract: A shovel linkage for a hydraulic excavator includes a cross tube having pivot joints, and actuating cylinders for the linkage connected to said pivot joints thereon whereby forces imparted to the linkage by the actuating cylinders will be directly through the center of the cross tube, avoiding bending moments in the linkage.The cross tube has an internal diametrical member in line with the pivot joints and the actuating cylinders to withstand and transmit the forces imparted by the actuating cylinders.

Abstract: A post and rail fence construction comprising a tubular steel post adapted to be mounted in an upright vertical position and a steel rail generally of channel section adapted to extend generally horizontally from the post. The post has at least one hole therein for reception of one end of the rail which has a detent thereon. The rail is sufficiently resilient for springing the sides of the rail together for insertion of the rail and detent inside the post through the hole. On release, the sides of the rail spring apart into engagement with the post with the detent inside the post for locking the rail therein.

Abstract: A releasable locking device comprising a first and a second member movable into and out of engagement with each other, and one or more latch elements arranged within an inner space defined by said members when engaged. The latch elements are freely movable in that space which includes an annular channel, under the influence of gravity between a first position in which they do not interfere with movement of said members into and out of engagement with each other, and a second position in which the latch element or elements block movement of said members out of engagement with each other. The said members preferably comprise a socket member having a recess and a tubular stud member receivable therein. Due to the fact that the latch elements are movable under the influence of gravity the position or orientation of the locking device determines whether the latch elements are in their locking or releasing position.

Abstract: A piston rod has a shoulder longitudinally spaced from one end thereof so as to form a stem of reduced cross section for engagement into a piston within a hydraulic cylinder. The stem includes a threaded shank extending from its free end to a male cylindrical pilot spaced from the shoulder by an annular stress-relieving groove. A piston has a threaded central bore portion and counterbore portions at each end, wherein one counterbore portion functions as a female pilot for receiving therein the male pilot in an interference fit relationship, and the other counterbore receives therein a plastic sealing ring which engages the threaded shank of the stem in sealing and centering relationship.

Abstract: The invention is directed to a ceiling runner which has a generally U-shaped configuration. The runner has flanges to support ceiling boards. The side walls of the runner are formed with grooves which may be used to support the runner in position or define an isolated chamber within the body of the runner. The side walls of the runner have a second groove which is used for positioning ceiling boards on the flanges.

Abstract: A hollow tube constitutes a structural member having an opening in a wall thereof which surrounds a short hollow sleeve closely fitting within the tubular member, the sleeve having diametrically opposed openings one of which is of the size and shape of the opening in the tube wall. The margin of one of the openings in the sleeve is shouldered inwardly. The sleeve is so positioned within the tube that the openings are aligned, the shouldered opening of the sleeve being diametrically opposed to the aligned openings in the tube and sleeve. A hollow tubular bracing cross-member is provided of such dimension as to pass through, with minimum clearance, the aligned openings in the tube and sleeve, the free end of the cross member being received within the diametrically-located opening in the sleeve and resting upon the shoulder thereof. Means are provided to lock the bracing cross member removably within and to the tube and sleeve.

Abstract: A rattle-free rail construction includes a plurality of vertical line posts, each having an H cross-sectional configuration defining vertical channels in the post. Each channel includes a pair of opposed, vertically extending arcuate grooves which are of the correct diameter to properly accept self-tapping screws. Another pair of opposed, vertically extending retention grooves are disposed in each channel, parallel and adjacent to the arcuate grooves. Horizontal bars of the railing construction are secured with the ends thereof in opposed channels of adjacent line posts, the bars being spaced apart in each channel by post inserts which snappingly engage the retention grooves in the channel. Double-sided foam tape is applied to the top and bottom ends of the horizontal bars, and the entire assembly is secured in a channel by joining a top subrail onto top of post by means of screws received into the top openings of the arcuate grooves.

Abstract: A cable tray comprising a cover plate, side plates arranged opposite to each other, the one of said side plates being provided with openings at its lower side, supporting frames of which both ends are inserted into the openings and means for fixing every several supporting frames to the side plates. The lower end of each of said side plates is bent outwards and at right angle to form a supporting face, of which outer end is further bent upwards to form an engaging face. Said openings are arranged to have a certain distance in the longitudinal direction of the side plate and corresponding to those provided at the lower side of the other of said side plates. The upper end of each of said side plates is bent outwards and at right angle to form a flange, on which the side portion of the cover plate is overlapped, and these overlapped cover plate and flange are sandwiched between the pressing faces of a fastening means.

Abstract: An adapter for connecting a tool head to a fiberglass tool handle or shaft. The adapter includes a cap having greater compressive strength than the handle. The cap fits over the end of the handle to prevent damage during assembly, use or storage of the tool. A pair of adapter sections fit around the cap and the adjacent end of the handle. The adapter sections have recesses which receive the ends of the cap. A pair of pins carried by the adapter sections extend into openings in the handle. The cap also acts as a guide to provide proper alignment of the adapter sections and tool head with respect to the handle.

Abstract: Guard rail having an inclined rail, for staircase or access stairway. The rails are essentially constituted by U-shaped profile sections. The vertical rails are fixed on the rails by elastic clipping action between the flanges of the profile sections.The notches made in the vertical bars to provide this clipping action are incurvate, which makes it possible to adapt one and the same guard rail to variable angles of inclination of the handrail.

Abstract: An inverted generally U-shaped overhead protective guard for industrial vehicles in which the overhead guard canopy or bridge includes a pair of parallel spaced hollow multi-sided members. Each hollow member has a plurality of longitudinally spaced notches through one side in alignable and facing relation with corresponding notches in one side of the other hollow member so that a guard bar may be fitted in each facing pair of notches. Side rails connect the respective ends of the hollow members. The bridge structure is supported from the vehicle by front and rear pairs of legs which together provide an overhead guard which extends over the operator's station.

Abstract: A balustrade having a series of balusters connected to both top and bottom rails or, if desired, to a top rail only is disclosed which can be completed by assembling standardized parts. The top and bottom rails each includes a horizontal baluster mounting plate facing inwardly, and this mounting plate has an aperture extending along one of the longitudinal edges thereof and a series of longitudinally spaced recesses open to the aperture. The end portions of the balusters are inserted into the respective recesses of the mounting plate, either directly or via the aperture. Means are provided in several forms of construction for locking the baluster end portions within the recesses. The aperture can be closed by a separate filler plate, which is adaptable either to snap into position in the aperture or to slide longitudinally therein.

Abstract: A system for joining two or more members, at least one of which is tubular, wherein at least the longitudinal axis of the tubular member is out of alignment with the longitudinal axis of another member. The tubular member is provided with an opening for receiving a portion of another member and a fastener assembly is located within the tubular member for rigidly securing together the members.