Abstract: A cross coupling arrangement for two bars disposed at right angles to one another and provided with undercut longitudinal grooves, having a screw bearing a head and disposed parallel to the symmetry axis of a longitudinally running bar in an undercut longitudinal groove of same, whose other end engages a nut disposed in an undercut longitudinal groove of the transversely running bar, and whose head abuts against a cylindrical insert which is installed axially in the undercut longitudinal groove of the bar and which has a through-bore for the screw.

Abstract: A non-pyrotechnic release system for use in satellites and other remote actuations applications is disclosed. This system employs shape memory rod assemblies to release a captive toggle that retains the item to be deployed. The shape memory rod assembly includes an internally installed resistance heating element for heating the rod to cause it to assume its memory shape.

Abstract: A device for dressing the contours of a lawn by moving dirt from high spots to low spots, comprising a frame with a grid attached to the frame and held in direct engagement with the surface of the lawn while being pulled by a vehicle. The grid has a plurality of elements forming an interlocking network that defines a multiplicity of holes. Each element has two surfaces that meet at an angle to form a dirt-scraping edge, moving some dirt upwardly into the bed of the grid. The dirt is moved with the grid until the grid is over a low spot whereupon the dirt will be deposited through the holes. The grid may optionally be attached to two or more brackets and bolted to the frame as a replaceable cartridge. The frame preferably accommodates a standard three-point hitch.

Abstract: A reusable end finishing apparatus for rope, cord, wire, cable and the like is provided. The end finishing apparatus has an outer rigid sleeve, an inner compressible barbed gripping member which engages the end to be finished, and an eyebolt which has a threaded rod which extends through holes in both the compressible gripping member and the outer rigid sleeve. In assembly for use, the termination of the device to be finished is threaded through the eyebolt and doubled back. The eyebolt is then placed in the compressible gripping member with grooves in the gripping member provided for the eyebolt eye. The threaded rod end of the eyebolt is moved through a hole in the compressible gripping member until the eye of the eyebolt bottoms in the gripping member.

Abstract: A fence construction system for simple and rapid construction of a wooden fence. The system includes upper and lower metal brackets for fastening horizontal rail members to vertical fence posts. Also disclosed are quick attachment means for rapid assembly of the fence. With the system, a durable traditional style good neighbor fence may be rapidly assembled from precut or standard sized lumber.

Abstract: A fencing system which utilizes coated steel to simulate wrought iron fencing and which comprises prefabricated sections of fence comprised of steel, the length of which can vary, ground or floor-anchored post members to which the fence sections attach using novel connectors. An ornament adorns each top vertical member of each fence section. Novel fence gate structure is also disclosed.

Abstract: A fence construction system for simple and rapid construction of a wooden fence on level or sloping terrain. The system includes an adjustable lower metal bracket for fastening the lower rail and kickboard to the fence posts and an upper bracket for fastening the upper rail to the fence posts. The upper and lower brackets may be adjusted at the construction site without special tools to accommodate sloping terrain with a ground angle up to 45.degree. from the horizontal. Also disclosed is a fence post cap which may be used in place of the upper bracket to fasten the upper rail to the top of the fence posts. With the system, a durable traditional style good neighbor fence may be rapidly assembled on varying terrain.

Abstract: An archery quiver includes a arrow clamp assembly with manually or spring biased adjustable gripping elements, whereby arrows of significantly different diameters can be accepted by the assembly.

Abstract: A rigid hand railing is disclosed having a plurality of compound indentations formed in the underside thereof to facilitate gripping thereof by a human hand. A method of manufacture of such a hand railing is also disclosed wherein a tool having a plurality of individually movable forming punches to be driven into pre-formed tooling stock is used to form the indentations in one side of the tubing stock. Each forming punch is provided with a tip portion having a compound shape formed from two perpendicular oriented and oppositely disposed arcuate shapes. The forming punches are to be alternatively or sequentially driven into the tubing stock to form the indentations.

Abstract: The display and keyboard halves of a notebook personal computer are pivotally connected together by a shaft and a base plate so that torsional force required to rotate the shaft is changed during pivoting of the halves by a corrugated spring plate having peaks and furrows which alternately engaged raised portions on the base plate.

Abstract: A joint for connecting a canopy support to a segment of a stroller structure. The joint has a first element and a second element. The first disk-shaped element has on a side thereof a cavity surrounded by a plurality of indents and on the other side thereof a channel matching with the segment of the stroller structure. A hole extends centrally through the first element. The second element has a pocket-shaped portion having a chamber surrounded by three walls and a wall formed with a window and a disk-shaped portion being integrated with the wall opposite to the wall with the window and formed with two slots beside the pocket-shaped portion. A hole extends through the second element. A flexible tab has a first end integrated with the canopy support and a second end diverged from the canopy support.

Abstract: The invention relates to a bar anchor arrangement for bars subject to tensile stress, whereby the bar anchor (1) consists of an anchor body with a bore provided with an internal thread (5) for screwing in a tension bar (8) provided with an external thread (9) as well as of two parallel eye plates (3) adjoining the anchor body to accomodate an eye bar (10). A smooth tolerance compensating section (6 and 7) is provided on at least one side of the internal thread (5). The length of the external thread (9) of the tension bar (8) essentially corresponds to the minimum screw-in length of the tension bar plus the length of a tolerance compensating section. The length of the internal thread (5) is greater than the minimum screw-in length of the tension bar.

Abstract: A ball joint resiliently positions a portion of its hard-plastic bearing seat a short distance from a load-receiving portion of its housing. A compression load is capable of urging the bearing seat and the load-receiving portion into contact with each other to limit the load absorbed by the resilient member. This permits the resilient member to apply an appropriate bearing preload to overcome manufacturing tolerances in the parts, without requiring the resilient member to support large compression loads.

Abstract: A ball joint comprises a socket having a wall defining a socket hole, and a ball stud having a ball portion at one end thereof. The ball portion is received within the socket hole for pivotal movement by means of a bearing intervening between the ball and the wall of the socket. The bearing is provided with a plurality of protrusions formed in the outer circumferential surface thereof, the circumferential surface being in contact with the surface of the wall of the socket. The protrusions having a band or dot-shaped configuration.

Abstract: A versatile framing system incorporates open channel members and closed tubular members. The closed tubular members provide strength, while the open channel member allows various members to be attached at an infinite number of positions along its length. The inventive system thus successfully incorporates the advantages of both open channel members and closed tubular members.

Abstract: A force-transmitting, cone-shaped press-fit connection of metallic materials is provided between a shaft, an axle, or a pin and a hub, a disk, a wheel, or the like. An integral joint is formed with an anaerobic adhesive disposed in the residual roughness intermediate spaces of a joint slot adjoining a pressed-in conical seat having an oversize. The axial securing of the cone press-fit connection against loosening is performed predominantly via the integral joint formation.

Abstract: A safety rail system of roof edge protection employing support base units which include shoes for an upright post and a cantilever counterweight connector. The base units also include a toeboard saddle. The system components incorporate a number of releasably threaded lock pins and inspection ports to facilitate assembly.

Abstract: A double latch locking device for supporting a scaffolding in erected condition. The scaffolding comprises frames parallel to one another and supported vertically by crossrods having bored ends. The latter engage a short horizontal stem projecting from the interior plane of each frame, whereas a rigid arm projects above each of the stems parallel thereto. Two latches are pivoted independently of one another to a same pivotal axis located at the free end of the rigid arm, to move within the interior plane of the corresponding frame, and are adapted to releasably retain the stay rods to the frame in a limit locking position. The present device is characterized in that it enables the locking of a variable number of stay rods on the stem with a minimum of play; the first latch will retain for example up to three stay rods which would have been engaged on the stem, whereas the second latch will retain for example up to five stay rods.

Abstract: A quick-connect fastener of a relatively-simple straightforward design is arranged with a tubular body adapted to be engaged against an attachment fitting in coincidental alignment with an opening in that fitting. A tubular collet having flexible fingers projecting from its forward end is arranged in the fastener body to be shifted forwardly by an elongated expander member coaxially arranged within the tubular collet for advancing the collet fingers into the opening in the attachment fitting. Biasing means are arranged between the elongated expander member and a rotatable actuator which is threadedly mounted within the tubular collet so as to be rotated for urging the expander member into engagement with the collet fingers.

Abstract: An end connector for attachment to a tubing end including a housing having a first aperture therethrough with a predetermined internal periphery and a plug member having a predetermined external periphery for cooperative engagement with the end of the tubing and the internal periphery of the first aperture of the housing, the plug member releasably retaining a portion of the end of the tubing between the external periphery of the plug member and the internal periphery of the first aperture of the housing to prevent removal of the tubing from the housing when the tubing is subjected to tension in a desired direction.