Abstract: The invention relates to an end hose holder (20) for distributor booms (2) of concrete pumps (1), to a concrete pump (1) with corresponding end hose holder (20) and to a method for assembly thereof. The end hose holder (20) is used for the selective provision of an attachment point for an end hose (6?) and comprises a foot shell coupling (21), which is fastened by way of its foot (23) to a support element (24), for the rotary pipe connection of two concrete line segments (11, 14), the support element (24) having a flange (26) which is configured for the coupling connection to a concrete line segment (11, 14), the relative position of which flange in relation to the foot shell coupling (21) corresponds to a predetermined concrete line segment (11, 14).

Abstract: A collar for connecting ducting components is provided. The collar includes a tubular wall having a line end and a free end, an annular flange extending radially outwardly from the line end, and a plurality of retaining tabs extending outwardly from the free end. A plurality of locking members are provided at the line end. The locking members are configured to releasably secure the flange to an adjacent member.

Abstract: A mounting apparatus for mounting a gas turbine engine to an aircraft. The mounting apparatus includes a thrust strut operably connected to the gas turbine engine and the aircraft. The thrust strut defines a thrust strut axis. The mounting apparatus further includes a restraining structure. The restraining structure includes a bracket circumferentially disposed on the thrust strut and at least one elongate member connected to the bracket and the gas turbine engine. The restraining structure radially and circumferentially constrains the thrust strut with respect to the thrust strut axis of the thrust strut while allowing the thrust strut to move in the direction of thrust strut axis.

Abstract: This invention presents a wall mounted receiver to accommodate insulated or non-insulated pipes and at least one inlet or portal for at least one pipe conduit or wiring per portal and with a high degree of flexibility and unique mechanical connection security; this receiver is arranged to receive the piping from any directional angle with a unique flexible inlet capability; without limitation, this receiver is for use with refrigeration or air conditioning equipment and related connections, such as insulated pipes, non-insulated pipes, condensation piping, conduit and wiring. The receiver can be mounted to different wall surface types without the assistance of a wall bracket; can also be fit into tight space service areas depending on refrigeration equipment requirements; can be installed in new construction applications; and can also upgrade existing installations without the need to cut the existing piping.

Abstract: This invention presents a wall mounted receiver to accommodate insulated or non-insulated pipes and at least one inlet or portal for at least one pipe conduit or wiring per portal and with a high degree of flexibility and unique mechanical connection security; this receiver is arranged to receive the piping from any directional angle with a unique flexible inlet capability; without limitation, this receiver is for use with refrigeration or air conditioning equipment and related connections, such as insulated pipes, non-insulated pipes, condensation piping, conduit and wiring. The receiver can be mounted to different wall surface types without the assistance of a wall bracket; can also be fit into tight space service areas depending on refrigeration equipment requirements; can be installed in new construction applications; and can also upgrade existing installations without the need to cut the existing piping.

Abstract: A chimney tee cap retainer assembly comprising a cap, a first member comprising a guideway extending in a longitudinal direction, the first member connectable to the cap using a first fastener, a second member having a sprung end portion, the sprung end portion for releasably engaging a chimney surface, the second member adjustably engaged with the guideway using a second fastener, a third member having a sprung end portion, the sprung end portion for releasably engaging a chimney surface, the third member adjustably engaged with the guideway using a third fastener, and the second member and the third member each having a second member portion and a third member portion each extending normal to the first member and each extending in the same axial direction.

Abstract: Disclosed is a system for engaging a prosthesis and for implanting the same. The system can include a component or plurality of components to engage an acetabular prosthesis in both rotational and axial fixation. A method of using the insertion assembly is also disclosed. In addition, a method of assembling, disassembling, and cleaning the insertion assembly is disclosed.

Abstract: A venting apparatus includes a projecting member with a projection base, and a mating socket member with a socket base, and first and second ducts in fluid communication with an appliance to vent emissions along an emission flow path. The projection base engages a first one, and the socket base engages a respective other one, of the first and second ducts. The projecting and socket members have default configurations. The projecting member is movable from the default configuration towards a deflected configuration, and biased for return therefrom. The first and second ducts are movable between sliding and locked configurations. In the sliding configuration, the projecting and socket members bear against one another, with the projecting member removed from the default configuration. In the locked configuration, the projecting member is in the default configuration, and secured to the socket member, such that the second duct securely engages the first duct.

Abstract: A barbeque grill including a lower housing, heating means and food support means positioned within the lower housing, an upper housing or hood adapted to enclose the lower housing, a smoke exhaust means provided in said upper and/or lower housing for allowing smoke to escape from within the barbeque grill, wherein said smoke exhaust means is retractable/collapsible in order to allow the oven or grill to take up the least amount of space when being stored or transported.

Abstract: A venting system for a direct vent fireplace or other direct vent appliance to direct combustion gases to an exterior area. The direct venting vent pipe facilitates unrestricted lengths of pipe installations. The vent pipe has a double wall construction forming an interior axial passageway and a coaxial outer passageway. The double walls are spaced apart by an insert to maintain coaxial spacing. Sections of the vent pipe are lockingly connected to prevent separation and ensure sealing connection between the pipe sections.

Abstract: A prefabricated open-ended fireplace box for use in fireplace assemblies is molded from a slurry of refractory ceramic fibers and a non-organic binder. The prefabricated fireplace box is preferably formed in or over a mold which provides an accurate shape to the green or semi-rigid open end box which must be dried or partially fired while on the mold to avoid warping or distortion while being removed from the mold. A rigid surround trim in the form of a C-shape is placed in or on the mold at the open ends of the fireplace box. At least one attachment flange of the surround trim is integrally molded into walls of the fireplace box so that at least the open end of the semi-rigid fireplace box is made rigid when removed from the mold.

Abstract: A sheet metal colinear-to-coaxial duct transition assembly for a fuel-fired, direct vent heating appliance is fabricated by providing a one-piece rectangular sheet metal plenum box having a rear wall with first and second circular openings therein, and an open front side. A separate rectangular front wall of the plenum box is also formed and has a circular opening therein. Prior to assembling the plenum box, a rearwardly projecting combustion air stub duct is secured to the rear plenum box wall at the first opening therein, and a forwardly projecting combustion air intake duct is secured to the front plenum box wall at the opening therein. Cooperating side edge portions and flange pockets on the front wall and the open side of the plenum box and then interlocked and crimped to complete the plenum box.

Abstract: A combustion air kit for providing a source of external air to feed a fire in a firebox is installed during new construction or as a retrofit unit into existing fireplaces. A masonry air vent brick having a hole therein air flow is included in the combustion air kit. The flow of air through the brick and to the firebox is regulated by a spinner cap mounted for rotation on a threaded post seated within a plug contained in the air vent brick. The air vent brick is connected to a flexible duct which is attached at an opposite end to a vent inlet brick located on the external of the house, chimney or other structure. The vent inlet also includes a vent inlet cover to provide an attractive inlet for the air to the firebox.

Abstract: The present invention relates to a method and apparatus for use in installing a gas fire in a fireplace. The apparatus comprises an adaptor member in the form of a planar plate from which a flue spigot projects upwardly, the flue spigot in use, being connected with a flue liner. The planar plate has a rearward end section which is interengageable with a rearward part of the fire whereby the planar plate can subsequently be pivoted to a position wherein a front section of the planar plate can be secured to the fire. Said rearward end section and said front section of the planar plate are thus secured to the fire, holding the planar adaptor member flat against the upper surface of the fire with the flue spigot aligned with a flue passage in the fire.

Abstract: A fireplace insert for a fireplace cavity that includes a venting passage comprising an enclosure dimensioned to be insertable within the fireplace cavity and fill substantially the entire cavity to define a combustion chamber. A passage and an aperture are provided for communicating the combustion chamber with the venting passage. There is a connection system for quickly and efficiently connecting the enclosure to the venting passage while the enclosure is within the fireplace cavity. The ability to connect the insert to the existing venting passage while in place permits the full fireplace cavity to be used. Previous inserts of this type were substantially smaller since there had to be room to manoeuvre and attach the vent by physically reaching into the fireplace cavity.

Abstract: The present invention relates to a method and apparatus for use in installing a gas fire in a fireplace. The apparatus comprises an adaptor member in the form of a planar plate from which a flue spigot projects upwardly, the flue spigot in use, being connected with a flue liner. The planar plate has a rearward end section which is interengageable with a rearward part of the fire whereby the planar plate can subsequently be pivoted to a position wherein a front section of the planar plate can be secured to the fire. Said rearward end section and said front section of the planar plate are thus secured to the fire, holding the planar adaptor member flat against the upper surface of the fire with the flue spigot aligned with a flue passage in the fire.

Abstract: A positive interconnect system (10) embodying the concepts of the present invention provides a sealed passageway between a fireplace insert (11) and a liner (12) in the flue (13) of a chimney (14). An oval connector (46) and a transitional connector (48) are each constructed with an overall depth dimension such that they may be individually inserted through the opening (29) in a damper frame (21) and into the smoke chamber (28) of the chimney (14). After the connectors (46, 48) are received within the smoke chamber (28) they may be joined together by an interlock (49) to form a composite connector assembly (45). The assembly (45) is then fastened to the uppermost end (95) of a flexible duct (40), and the assembly (45) is then moved upwardly through the smoke chamber (28) into sealing engagement with the flue liner (12). Post means (111, 112) support the assembly (45) in sealing engagement with the flue liner (12).

Abstract: A positive interconnect system (10) for a fireplace insert (11). The primary portion (10A) of the interconnect (10) incorporates a support frame (30) that is suspended from the damper frame (12) by a plurality of non-extendable hangers (39, 40, 41 and 42). Wholly separate and distinct means (83 and 84) are provided to support the connector duct (82) and sealing means (80, 94) from the support frame (30) in order to enhance the fore and aft as well as the lateral adjustability of the primary portion (10A) of the system. Slidable collar means (115) provide selective connection with the vent (75) of the insert (11). A secondary portion (10B) communicates through the smoke chamber (26) between the primary portion (10A) and the flue (22). An adaptor boot (200) seals around the mouth (201) of the flue (22) and converts the cross-sectional dimension of the flue to the cross-sectional dimension of the duct system (202, 251, 258) that extends between the adaptor boot (200) and the damper frame (12).

Abstract: An assembly for installation in the flue of a fireplace chimney to conduct exhaust from the stovepipe of a fireplace insert or stove directly through the flue, the assembly providing an adjustable mounting subassembly adapted to be attached on the flue; a gasket portion to provide a seal between the edges of the mounting subassembly and the flue surfaces; and a connector portion adapted to be disposed in exhaust flow relation to the stovepipe.

Abstract: A telescoping roof jack assembly for a furnace includes a pair of outer telescoping tubes and a pair of inner telescoping tubes. At least one of the pairs of tubes is provided with cooperating detents which prevent the telescoping tubes from separating. A plurality of connectors are attached to one of the inner tubes and extend slidably through openings in one of the outer tubes. The connectors cause the inner and outer tubes to telescope together while permitting relative transverse movement between the inner and outer tubes.

Abstract: A fire damper with mounting structure which permits the dampers easy installation in a building ventilation duct or passage without the use of conventional, external flanges which must be bolted on at the installation site. The damper includes a peripheral frame having internally threaded, tubular elements secured to the inside of the frame and aligned with apertures extending through the frame. Threaded studs in the elements have self-boring, conical noses so that the studs may be advanced into gripping engagement with the proximal building wall.

Abstract: A method and apparatus for guiding gaseous effluents from the exit aperture of a gas producing device to a fireplace exit flue adapts to a large range of damper opening angles and sizes. The apparatus includes a damper closure plate for closing down the damper opening of the fireplace. The damper plate has an opening therein for receiving a connection assembly which connects at one end to the exit aperture of the gas producing device and at the other end passes through the damper closure plate and is secured thereto. The connection assembly, at the end passing through the damper closure plate, has a curved elongated section which can pivot at the damper plate opening to enable adjustment to the large range of opening orientations. The fireplace adapted is particularly useful in connection with wood and coal burning stoves having an airtight configuration.

Abstract: An adapter for use with a fireplace, wherein the stove pipe of a stove standing in a room to be heated may be connected to the flue of the chimney so that products of combustion from the stove may be safely exhausted through the flue and outwardly of the chimney. The adapter may be easily installed within the fireplace by removing the damper plate and fitting the adapter to the damper frame. Each of a pair of bolts has a portion which hooks over a portion of the damper frame and a threaded end depending from the hook portion and extending through a hole in the adapter. Nuts are threaded on the bolts and are adapted to force the adapter into a tight fit with the adapter frame.

Abstract: An adapter is provided for use in venting a coal or wood burning stove through the flue of a fireplace. The adapter includes a fireproof board and a metal pressure plate, each formed with a central opening to receive the exhaust end of stove pipe from the stove. The board and plate are fitted into the fireplace flue and held there by means of a pair of longitudinally adjustable legs, the lower ends of which press against the floor of the fireplace. The pressure plate is provided with studs to receive the upper ends of the legs and tabs are provided on the plate at the sides of the stove pipe hole for fastening with the stove pipe.

Abstract: This invention relates to a ventilating system of the type comprising a duct for distributing heated or cooled air with distribution pipes attached to the duct. Each pipe is attached by means of a collar which has one side connected to the duct and the opposite side providing means for holding a pipe end. The collar includes integrally formed lock means which permit formation of the collar from a strip and joining of the strip ends to provide the desired collar configuration. The lock means include a projection on one end of the collar strip, the projection defining an outer edge and angularly, inwardly extending side edges. This projection is receivable within a notch defined by the other end of the collar strip. The notch includes an inner edge and angularly and inwardly directed side edges with collar portions formed on opposite sides of the notch. The projection can be quickly inserted in the notch, and a secure relationship is achieved.

Abstract: A cover for vent pipes rising from building roofs is formed from a unitary initially flat blank which can be bent to fit around the vent pipe snugly and securely with locking tabs provided to hold the cover in place and stabilize it on the vent pipe. Debris is excluded from the open vent pipe without interference with its ventilating action.

Abstract: An insulated metal chimney lining, having constant loading spring suspension from the chimney column, is provided at the lower portion of a brick chimney lining to form the breeching entry. To provide additional thermal expansion capacity, an expansion joint may be incorporated in the metal liner.