Abstract: An electrified fence gate using a series of flexible electrically conductive gate wires extending generally vertically from a rigid support and being connected to flexible spacing means.

Abstract: A barrier arrangement for blocking a water passage or channel against the admission of a foreign or unfamiliar object, such as underwater vessels, frogmen and the like. The arrangement comprises a net (1) of considerable tensile strength intended to be stretched across the water passage. The bottom edge of the net (1) is anchored to the sea-bed and the net can be activated from a passive state, in which it may lie on the sea-bed, to an active barrier state. To this end, the upper edge of the net (1) is connected to an inflatable and deflatable lifting hose (3) which when evacuated is essentially flat and which when inflated is able to lift the upper edge of the net towards the surface of the water, so as to stretch the net between the sea-bed and the surface of the water. The invention also relates to a barrier net and to an anchoring means for use with the arrangement.

Abstract: A modular fence construction utilizing flat bar stock for the rails and pickets, and substantially standard metal shapes for the posts between fence sections.

Abstract: A portable screen of fabric is held upright by a plurality of hollow poles clamped to the fabric by C clamps, preferably one the length of the pole. A stake is telescoped within each hollow pole, and held in an extended position (to adjust the height of the screen) by the friction of a resilient sleeve near the top of the stake, and additionally by a C clamp around the stake adjusted up against the pole. Straps are provided to secure the screen in a rolled up condition, and to carry the rolled up screen.

Abstract: Fence of wire latticework comprises lattice bodies composed of vertical wire members, and horizontal wire members, supports for supporting the lattice bodies, and connecting means for connecting the lattice bodies and the supports. Furring strips are not employed herein. The lattice body is formed, at its upper and/or lower ends, with cylindrical parts which are provided by forming the end portions in circle and the horizontal wire members.

Abstract: A flexible barrier element for a passageway defined by two spaced posts is held in a raised taut position to block the passageway by placement of a hand lever having a lost motion connection with the barrier element in a level position of engagement with a bracket fixed on one post. Swinging of the hand lever to a depressed position relative to the bracket on which it is pivotally mounted slackens the flexible barrier element and lowers it to a ground level position allowing unobstructed passage between the posts defining the passageway. A second bracket on the second post has a flexible barrier element attached to it.

Abstract: A protective crowd control barrier for maintaining observers in spaced relationship to an article being displayed such as an automobile or the like in which the barrier includes a plurality of adjustable uprights which receive a flexible barrier member in a manner such that the flexible member is spaced from and extends entirely around the article. The uprights are selectively adjustable to alter the elevation as well as the spacing of the barrier member from the article being displayed.

Abstract: An electrified fence gate including a tensioned flexible support wire extending horizontally across a fence gate opening, at a height greater than that of vehicles normally intended to pass through the opening, a series of spaced gate wires connected at their upper ends to the support wire and depending closely adjacent but not engaging the road surface, and a fence charger operable to charge the wires with a shocking electric charge. Vehicles, insulated from the ground by their rubber tires, may thus pass freely through the gate without stopping, merely deflecting the hanging wires, but any livestock attempting to pass through, being grounded, will receive an electric shock whenever they touch any of the hanging gate wires, and hence be driven away from the gate.

Abstract: A device for the trapping of snakes and similar animals having an area of netting to be placed on the ground and releasably secured thereto and shaped such that a plurality of areas of the netting are substantially non-horizontal to the ground. A snake attempting to traverse the area of netting will pass into an interstice of the area of netting until its body size prevents forward motion. The scales of the snake will engage the strands of the netting preventing the snake from retreating from the netting and thus effectively trapping the snake.

Abstract: An improved portable expandable barrier is provided which comprises a pair of fences slideably interconnected and releasably held in a desired orientation by locking means such as lock set cylinders. Preferably, one or both fences include telescoping sections releasably locked together to facilitate expansion of the barrier. In one embodiment the fences include elongated bars over which cylinders are slideably secured.Pins or screws pass through the body of the bars of each fence and into engagement with the cylinder to prevent separation of the fences. The barrier can also include one or more collapsible posts fitted with expandable internal bladders and disposed adjacent pairs of the fences. The fence perimeters are provided with means for releasably locking the fences to the posts or other structures. Such means may be adjustable suction caps, preferably protected by overlaying adjustable bell covers locked in place.

Abstract: Safety apparatus is disclosed for a crane including a crane body that rotatably swings about a substantially vertical axis about an undercarriage that moves on endless tracks. The crane body has opposed sides, a front end and back end, and a crane boom projects forwardly from the front end. The safety apparatus includes a length of cable that is supported in spaced relation from the crane body, extending around a portion of its periphery consisting of the crane body sides and back end. The cable is supported in such a manner that it may be laterally deflected, by a person or object, which alters its effective length. The safety apparatus further includes a control device that is operably connected to the cable for generating an electrical alarm signal in response to cable deflection, and an audible alarm connected to the control means for generating an audible alarm in response to the alarm signal.

Abstract: A side protection device for scaffoldings, particularly metal scaffoldings including a plurality of substantially vertical tubular posts, each having at least one bracket thereon, traverses attached to the posts, and a boarding resting on the traverses is provided. The side protection device comprises a collapsible framework which is composed of at least one horizontal tubular brace and two substantially vertical tubular side members affixed to the ends of the horizontal tubular brace. The framework can be suspended by means of two supporting arms on two brackets occupying a fixed position on the tubular posts of the scaffolding so that it extends downwards as far or almost as far as the boarding of the scaffolding.

Abstract: A method and apparatus for ensnaring a reptile having overlapping scales or plates over its body including flexible netting across the path of travel of the reptile, the netting having a mesh of sufficient size to allow at least the head portion of the reptile to enter therethrough and being constructed of a fabric which is of sufficient size so as to be wedged between the scales when the reptile attempts to withdraw its head from the netting.

Abstract: A sports field barrier is disclosed for arresting the flight of a ball moving in one direction over a field of play and for rebounding the ball in another direction generally and usually reciprocal to the one direction and with the barrier being erected uprightly along a zigzag course adjacent the field of play. Where the sports field is a tennis court the barrier may be constructed by the steps of intertwining wire coils to form a section of wire mesh fencing, crimping the fencing section or mounting it to forms so as to form the wire coils into a zigzag shape, and mounted the fencing section to a fence frame with the coils stretched between a pair of upright stanchions.

Abstract: The fence construction comprises any number of panels which include upper and lower angle members having vertical and horizontal flanges. A plurality of vertical rod members having straight shank portions and angled end portions are secured to the angle members by welding the angled end portions of the rod members to the vertical flanges and the shank portions to the edges of the horizontal flanges. Further included in the fence construction is any number of panel extenders which are releasably fastened to the ends of the panels, each extender comprising upper and lower strip members composed of horizontal portions and oblique portions twisted with respect to the horizontal portions, the oblique portions having threaded holes so that bolts can be threadedly carried therein and the free ends of the bolts bear against the upper and lower angle members to hold the extender in place.

Abstract: The invention relates to a parapet or railing assembly for building works and the like. The railing assembly comprises a hand rail and an intermediate rail connected together by cross bars to form a rigid railing frame. Posts include hooks for hanging the railing frame to the posts. The cross-bars are secured at the ends of the rails to constitute the rigid railing frame with the rails. The inner width of the hooks formed between the free end portions and the pole is greater than twice the width of the rails, whereby two overlapping frames can be hanged to a same post, even if the posts are not aligned.

Abstract: A multi-section fence wherein the sections are easily assembled by a single unskilled worker without the need of special tools. Each of the sections includes rails, and a plurality of frame members are attached to the rails and each frame member includes a multi-perforated panel. Fence posts have anchors which are positioned so that uneven terrain is easily accommodated.

Abstract: A barricade bracket and barricading system therefor is disclosed herewithin as being constituted by a barricade board angularly disposed with respect to a second barricade board. The barricade boards are interconnected by a bracket defined by a first member which slips over one of the boards and a second member integrally formed with the first member which slidingly receives the second board therewithin. The bracket hereof provides a fast interconnection which renders a barricade system stable.

Abstract: An ornamental railing is provided which includes a plurality of glass or plastic panels suspended from a handrail. The panels provide vertical support for the handrail, acting as gussets between the handrail and its support means. The panels do not touch the staircase or floor below, and thus do not interfere with construction or maintenance of risers, treads, or landings.

Abstract: Barrier device consisting of a fluorescent strip of fabric supported on a stretchable cord.

Abstract: A fence for feed lots or the like having prefabricated fence panels mounted on vertical fence post. The fence is completely portable and can be quickly constructed, torn down, moved, or added to depending on the changing conditions of enclosing animals of various sizes and numbers.

Abstract: A garage in which cars are parked side by side in parallel spaced relation and there is suspended between them a sheet of resilient material, which, when a door of one of the cars is opened between them, will allow the door to open as necessary but will prevent damage to the other car.