Abstract: A latching device for insertion into a tube provides two large flat buttons one on each side to lock the tube relative to an outer tube or to two parallel plates. A tubular housing with open ends slides into the tube between the side walls of the tube with the ends of the housing substantially butting inside surfaces of the side walls. The buttons are mounted on respective slide members mounted in the housing spring biased apart so that the buttons can be depressed. One or two set screws acting as stop members can be inserted after the housing is moved to the required location in the tube to prevent depression of the buttons to a position inward of the inner surface of the tube so that the housing is held in place.

Abstract: An apparatus for protecting a structure from fire includes a foam generation system by mixing compressed air, water from a pump and a foaming agent from a metered supply together with a series of motor driven nozzles and a control device which is programmable to provide a program of operation to control the motors of the nozzles so as to pre-determine a pattern by which a building is repeatedly covered by a layer of the foam. The control device can include plurality of different programs of operation of the nozzles with different times for different fire conditions. A remote control allows the apparatus to be activated from a safe remote location. An arrangement is provided to automatically start the foam generation system including an internal combustion engine.

Abstract: An apparatus for protecting a structure from fire includes a foam generation system by mixing compressed air, water from a pump and a foaming agent from a metered supply together with a series of motor driven nozzles and a control device which is programable to provide a program of operation to control the motors of the nozzles so as to pre-determine a pattern by which a building is repeatedly covered by a layer of the foam. The control device can include plurality of different programs of operation of the nozzles with different times for different fire conditions. A remote control allows the apparatus to be activated from a safe remote location. An arrangement is provided to automatically start the foam generation system including an internal combustion engine.

Abstract: A fall restraint system includes a cable for attachment to a fall restraint harness assembly of a worker. The cable can be attached to a boom arm cantilevered on a mast carried from the ground or can be stretched between two points on opposed walls. A shock absorber is provided for absorbing at least part of the shock forces so as to reduce the loading applied to the support system. This comprises an elongate member with a movable member or sleeve mounted on it for longitudinal movement. The movement is resisted by a friction brake or a compressible material contained within a tube so that the sleeve moves along the tube in response to loads exceeding the normal load to reduce the loading on the cable while compressing the material in the tube.

Abstract: An anchor assembly includes a base to which at least one connector and three legs are operatively connected. The connector provides an anchorage point for connection to a lifeline. The legs are secured to a support structure. The legs are reinforced proximate the base and when a force is exerted on the at least one connector by the lifeline, the legs bend proximate the support structure thus placing a shear load on the legs proximate the support structure.

Abstract: A life line support for the traveler of a safety harness includes an elongate flexible tensioned cable and a square tube loosely surrounding the cable defining an outside surface for receiving the traveler for movement along the tube. The traveler includes rollers and is formed in two parts which can open to engage around the tube from one side and held closed by the attachment of the life line. The tube is tensioned between wall mountings and the cable is tensioned relative to the wall mountings by additional springs pulling on the cable separately from the tube. The cable thus provides the support strength while the tube provides the rolling surface.

Abstract: A latching device for insertion into a tube provides two large flat buttons one on each side to lock the tube relative to an outer tube or to two parallel plates. A tubular housing with open ends slides into the tube between the side walls of the tube with the ends of the housing substantially butting inside surfaces of the side walls. The buttons are mounted on respective slide members mounted in the housing spring biased apart so that the buttons can be depressed. One or two set screws acting as stop members can be inserted after the housing is moved to the required location in the tube to prevent depression of the buttons to a position inward of the inner surface of the tube so that the housing is held in place.

Abstract: A mobile mount for attachment of a fall arrest system is provided for example for aircraft and includes a base carried on ground wheels and a support which is adjustable in height upstanding from the base and an arm cantilevered over the base. At least one receptacle is mounted on the arm of the support at a position located over the base for attachment to a personal fall arrest system including a harness for one or more persons, with the receptacle, base and support being designed and arranged to receive a loading from the personal fall arrest system sufficient to accommodate a fall of the person from the elevated structure.

Abstract: An apparatus for protecting a structure from fire includes a foam generation system by mixing compressed air, water from a pump and a foaming agent from a metered supply together with a series of motor driven nozzles and a control device which is programable to provide a program of operation to control the motors of the nozzles so as to pre-determine a pattern by which a building is repeatedly covered by a layer of the foam. The control device can include plurality of different programs of operation of the nozzles with different times for different fire conditions. A remote control allows the apparatus to be activated from a safe remote location. An arrangement is provided to automatically start the foam generation system including an internal combustion engine.

Abstract: A mobile mount for attachment of a fall arrest system is provided for example for aircraft and includes a base carried on ground wheels and a support which is adjustable in height upstanding from the base and an arm cantilevered over the base. At least one receptacle is mounted on the arm of the support at a position located over the base for attachment to a personal fall arrest system including a harness for one or more persons, with the receptacle, base and support being designed and arranged to receive a loading from the personal fall arrest system sufficient to accommodate a fall of the person from the elevated structure.

Abstract: The present invention relates to a rail and trolley apparatus having a trolley movable along a horizontally supported rail assembly for use as a fall protection or other load supporting system. The trolley is provided with pairs of wheels arranged to engage opposing bearing surfaces in each of two channels provided in the rail assembly. Each bearing surface has a central portion and two side portions shaped to fit flush against a curved edge surface of each wheel. This allows the wheels to bear against the surfaces in multiple directions, thereby allowing rolling motion of the trolley along the rail assembly as well as loading of the trolley in any direction not parallel to said motion. As a result, the apparatus can be oriented at any angle about a longitudinal axis thereof during installation, adding to the versatility and adaptability of the apparatus.

Abstract: A mobile mount for attachment of a fall arrest system. The mobile mount includes a mobile base, a support, at least one base, at least one arm and at least one anchor. The mobile base has a first side and a second side. The support extends upward from proximate the first side of the mobile base. The support also has a first end coupled to the mobile base and a second end. The at least one brace is coupled between the support and the mobile base to maintain the support in an upward position in relation to the mobile base. The at least one brace is slideably coupled to the mobile base. The at least one arm assembly is coupled to the second end of the support and extends from the support so as to be cantilevered over the mobile base. The at least one anchor is configured to be attached to the fall arrest system. Moreover, the at least one anchor is coupled to the at least one arm assembly.

Abstract: An apparatus for use in fall restraint anchoring of workers on an elevated location includes an upstanding post with at least one attachment loop at an upper end. The post is formed by plurality of coaxial cylindrical tubes each mounted as a sliding fit inside the next with each insert tube having a longitudinal groove co-operating with a projecting set screw on the outer tube so as to prevent relative rotation and to locate the limits of movement for aligning holes in the tubes for a locking pin. A jib portion includes a collar located on the smallest tube with a lower edge sitting on the upper edge of the next tube and extends upwardly and outwardly to a tether which extends to the attachment loop.

Abstract: An anchor assembly includes a base to which at least one connector and three legs are operatively connected. The connector provides an anchorage point for connection to a lifeline. The legs are secured to a support structure. The legs are reinforced proximate the base and when a force is exerted on the at least one connector by the lifeline, the legs bend proximate the support structure thus placing a shear load on the legs proximate the support structure.

Abstract: A manhole collar for mounting in a manhole is defined by a tube with rigid strips shaped to form lobes welded around the upper edge with a bottom edge of each lobe for engaging the ground or other surface around the manhole. A support sleeve is mounted on the tube in a recessed notch at an angular location thereon defining a cylindrical receptacle to hold a post standing up from the manhole for a davit or the like. The sleeve extends partly into the tube and partly outwardly and on the outside is supported by one of the lobes and on the inside by a planar chordal gusset plate. The sleeve includes a cylindrical bushing and a clamping pin for clamping the post in the sleeve engaging through a hole in the sleeve against an outer surface of the cylindrical bushing so that threaded adjustment of the pin causes an end of the pin to press against the cylindrical bushing and divert the bushing inwardly.

Abstract: An overload indicator for a load supporting apparatus is arranged to bend during overloading of the apparatus, thereby visually indicating the overload to a user or observer. The indicator features a longitudinal member having a U-shaped cross section defining one central and two side portions. A series of slots extend into each side portion from a side opposite the central portion such that the member will bend concavely with respect to that side, moving opposite ends of the member closer together. The indicator is arranged to extend between connection points on a first member and a second load supporting member of the apparatus in order to bend in response to excessive loading of the second member. The bending moves the connection points of the two members closer together, thus bringing the load closer to the first member.

Abstract: A structural panel includes perimeter rails and parallel joists having top and bottom surfaces lying in common parallel planes. Between the joists and the rails are diagonal planar bridge members extending obliquely in zigzag manner such that an end of one of the bridge members butts an opposed end of a next one of the bridge members at a side face of the joist. Planar top cover sheets bottom cover sheet are adhesively bonded to the top and bottom surfaces of the rail members, bridge members and joists. When used in a modular building, the floor has sufficient stiffness for the module to be transported from an assembly location in finished condition with all interior and exterior cladding attached and with the walls are topped by finished sandwich ceiling panels. The roof structure spanning the assembled modules is built on at the installation location.

Abstract: A structural panel includes perimeter rails and parallel joists having top and bottom surfaces lying in common parallel planes. Between the joists and the rails are diagonal planar bridge members extending obliquely in zigzag manner such that an end of one of the bridge members butts an opposed end of a next one of the bridge members at a side face of the joist. Planar top cover sheets bottom cover sheet are adhesively bonded to the top and bottom surfaces of the rail members, bridge members and joists. When used in a modular building, the floor has sufficient stiffness for the module to be transported from an assembly location in finished condition with all interior and exterior cladding attached and with the walls are topped by finished sandwich ceiling panels. The roof structure spanning the assembled modules is built on at the installation location.

Abstract: A mobile mount for attachment of a fall arrest system is provided for example for aircraft and includes a base carried on ground wheels and a support which is adjustable in height upstanding from the base and an arm cantilevered over the base. At least one receptacle is mounted on the arm of the support at a position located over the base for attachment to a personal fall arrest system including a harness for one or more persons, with the receptacle, base and support being designed and arranged to receive a loading from the personal fall arrest system sufficient to accommodate a fall of the person from the elevated structure.

Abstract: An overload indicator for a load supporting apparatus is arranged to bend during overloading of the apparatus, thereby visually indicating the overload to a user or observer. The indicator features a longitudinal member having a U-shaped cross section defining one central and two side portions. A series of slots extend into each side portion from a side opposite the central portion such that the member will bend concavely with respect to that side, moving opposite ends of the member closer together. The indicator is arranged to extend between connection points on a first member and a second load supporting member of the apparatus in order to bend in response to excessive loading of the second member. The bending moves the connection points of the two members closer together, thus bringing the load closer to the first member.