Abstract: An implement mounting assembly for attachment to a horizontal bar of a vehicle including a rigid mounting bracket, the mounting bracket having a U-shaped cross-section, the mounting bracket having a first generally rectangular front face and a second generally rectangular rear face, both of the faces having holes therein for receipt of bolts for connecting the bracket to a weight bar of a vehicle, and a hollow rigid receiver rigidly connected to the bracket, the receiver preferably being generally rectangular in cross-section and being oriented vertically upward when the bracket is connected to the weight bar; the rear face of the bracket preferably having a generally rectangular slot therein for placement over a supporting member which may be connected to the weight bar. Preferably the receiver has a collar located around the outside of the upper end thereof for providing additional strength to the upper end of the receiver.

Abstract: A support device for supporting a substantially vertical pole comprises a two-part collar (1) defining a central passage (6) therethrough. The parts of the collar may be releasibly secured together, thereby allowing a collar to be fitted around a pole. The support device further comprises a plurality of legs (8, 9) adapted to support the collar above the lowermost ends of the legs and with the central passage thereof substantially vertical.

Abstract: A planar assembly support includes a pillar and bed fixable on a surface. A bed center hole is provided with an inner screw thread. An inner locking member has a protruded retaining ring and an outer screw thread on a lower portion outer peripheral face, and fixedly locks on the bed via a threaded connection with the inner screw thread of the bed. The outer screw thread may consist of at least two sections of a convex spiral constituting less than a complete revolution. The pillar and inner locking member can be dismantled together from the bed. The bed left on the surface occupies a smaller space and, therefore, reduces the risk of tripping, while providing convenient mounting and dismantling without damage to the surface. A lock/release mechanism may be provided to prevent inadvertent rotation of the pillar in an unscrewing direction with respect to the bed.

Abstract: A base (80a) for fastening profiled rods (35, 40, 70) is proposed. The base (80a) is comprised of a sole plate (85a) and two walls (90a, 95a) formed onto the sole plate (85a), which are disposed at an angle to each other and at least partially define at least one flat section (130, 185, 210) on the sole plate (85a). The walls (90a, 95a) can be fastened to at least one profiled rod (35, 40, 70). At least one wall (90a, 95a) has a first wall section (100, 110) and a second wall section (175, 180), wherein the respective wall sections (100, 110, 175, 180) define different sized flat sections (130, 185, 210), which are adapted to different sized profiled rods (35, 40, 70). In this manner, one base (80a) can be used for different sized profiled rods (35, 40, 70).

Abstract: The present invention provides a stand base comprising a central hub and a plurality of legs removably attached to the central hub. Each of the legs depends radially outward and downwardly from the central hub. The base stand is adapted to receive the central vertical support of a display rack and provide both lateral and vertical support thereto. The plurality of legs may be detached from the central hub and packaged together in a nested configuration that is compact for shipping and storage. Each of the plurality of legs has an arcuate shape so that the plurality of legs provide a natural resiliency and upward bias when a load is placed on the display rack. The base provides support in either a normal-load mode or a high-load mode for improved vertical and lateral support of the display rack.

Abstract: A new mounting system for elevating and supporting objects such as solar panels and satellite dishes upon a roof. The mounting base for attachment to a roof rafter incorporates a threadable elongated member or stanchion and only requires a single lag bolt which is positioned directly beneath the stanchion for fastening to a roof rafter. A guide tunnel is also provided on the roof mount for proper drill angle into the rafter. The solar panel support utilizes C-shaped extruded aluminum horizontal members where, upon fastening the solar panel to the members, enhances the strength properties from a C-shape to a square structural member. The disclosed design for the solar panel support and associated equipment which are attached to at least two mounting bases, permits efficient packaging, resulting in minimal packaging time and cost.

Abstract: An improved fishing rod holder and supporting device that includes a rod holder, a support member, and a base for land operation and a base for aquatic vessel operation. Both the rod holder and the support member pivot and are securable thereby allowing the fishing rod to be placed in the most advantageous position for catching fish.

Abstract: A stand for supporting an elongate upright structure, including a base having a substantially larger perimeter that the structure to be supported, a plurality of support cables attached to the base at spaced-apart intervals along the perimeter thereof for being extended upwardly and inwardly towards the structure being supported, each of the support cables carrying an attachment hook thereon. The stand also includes a collar for being releasably and adjustably secured along the perimeter of the structure, and an attachment means complementary with the hooks for receiving the hooks and thereby maintaining the support cables in a tensioned condition between the base and the collar, the attachment means being adjustable in relation to the collar for alignment with the cables.

Abstract: A low-profile display rack for at least one golf club, where the golf club includes a shaft having a first end and a second end. The first end of the shaft is attached to a golf club head and the second end of the shaft merges with a grip portion for allowing a user to hold the golf club. The display rack is comprised of a display housing having a top wall with at least one opening and a support member mounted within the opening. The support member is comprised of a support cap with an aperture for receiving the second end of the golf club, a top end and a bottom end. The bottom end of the support member is further comprised of support side wall that includes an upper portion and a lower portion. The upper portion of the support side wall is connected to the top end of the support member and the lower portion of the support side wall merges with a bottom wall. The grip portion of the golf club is inserted into the aperture in the support cap and rests on the bottom wall of the support member.

Abstract: The invention relates to a stand for clamping rod-shaped parts, in particular Christmas trees. The stand has a tensioning device and a holding device with a number of holding elements which can be pivoted from a holding position into a release position and are prestressed in the release position by respective springs. At least one force transmission element is provided, which is guided on the holding elements and can be tensioned by means of the tensioning device. The holding elements and/or the force transmission element are/is, at least in a region in which the force transmission element is guided on the holding elements, designed in such a manner that, when relative movement takes place between the holding elements and the force transmission element, the latter slides with reduced friction on the holding elements. The springs are integrated in the respective holding elements, and the holding elements consist of a slidable plastic.

Abstract: A bracket for mounting on a surface and for retaining an end of an elongated object, wherein the bracket includes a flange portion for connection to the surface, and a tubular wall portion extending from the flange portion and having an open end for receiving the end of the elongated object, the tubular wall portion being continuous and endless circumferentially of the tubular wall portion for completely surrounding the end of the elongated object.

Abstract: A pole mount is provided for supporting a device, such as a satellite dish or an antenna. The pole mount includes an elongated rod having a ground penetrating end, and a pair of augers secured on the elongated rod in spaced apart relationship. The first auger, which is closer to the ground penetrating end of the elongated rod, is smaller in diameter than the second auger. The ratio of the diameter of the first auger with respect to the second auger is on the order of three to five. A stabilizing plate is secured to the elongated rod and is constructed and arranged to engage the ground. A support member is secured to the stabilizing plate and extends upwardly therefrom away from the elongated rod. The support member is hollow and is adapted to receive a cable which is provided to connect an appliance, such as a television set, to the satellite dish carried on the support member.

Abstract: A support base for distributing a concentrated load over a contact surface is disclosed. The support base includes a body formed of moldable polymeric material having a top surface and a generally planar bottom surface. At least one recess is integrally formed in the top surface for receiving a support member. The support member transfers the concentrated load to the planar body. Furthermore, at least one through bore is provided in the support base, and the through bore extends from the top surface to the bottom surface of the support base for receiving a fastener. The through bore has a shaft portion and a relatively oversized cavity portion adjacent to the bottom surface for receiving fasteners such as nuts for securing bolts, as well as, bolt heads of different sizes and configurations. The support base has many advantages over the prior are for example, the base may be attached to different interface bracketry without be modified.

Abstract: A rotation locker stand for outdoor umbrellas includes a rotor, which is rotatably disposed in a chamber of a base housing, including a rotor axial socket for securely and uprightly holding a shaft of the outdoor umbrella, and an actuator for detachably and selectively engaging with the rotator in such a manner when the actuator is engaged with the rotor, the rotor is in the lock up position, when the actuator is disengaged with the rotor, the rotor is adapted for freely rotating along the chamber.

Abstract: The invention concerns a stand, in particular a microscope stand, having a multiple-part stand foot. The stand foot includes a removable stand foot body having cavities configured for enclosing and precisely positioning weights such that the weights can be installed without turning the stand foot over. A method for assembling such a stand is also described.

Abstract: A portable and stackable post support for securely holding post like structures is formed in a hollow pyramidal shape. The post support has a sealable cavity for holding a suitable ballast material such as water or sand. A receptacle opening receives the post like structures and includes thumb screws for manually securing a post like structure in position. When filled with a ballast material, the post support provides a base for anchoring top heavy devices such as Tiki lamps. When the post structure is empty of ballast, it can be easily transported. Additionally, a plurality of post structures is easily stacked and stored even full of a ballast material such as sand.

Abstract: An adjustable mounting apparatus for carrying a camera or other sensor in a small helicopter or other moving platform and isolating the camera from vibration without modification of the aircraft or other platform, and a method for using a sensor such as a camera in a small aircraft or other moving platform operated by a single person. A base portion of the apparatus is carried on a cushioned seat, and a universally adjustable mast is carried on the base in a selected position with respect to the platform and isolated from the base by an elastomeric cushion to eliminate vibration. A camera or other sensor is carried on a servo-controlled attachment fixture fastened to the top of the mast, and a video monitor is located in view of the aircraft operator. Servo-controls for adjusting and operating the camera or other sensor are located in reach of the aircraft operator. A cart is used for storage and to support the mast during installation or removal of the base.

Abstract: A tree stand having a unitarily molded plastic body having a pentagonal reservoir with a downwardly curved buttress extending radially outward on each side of the reservoir to a peripherally extending base flange defining inwardly curving arcs between adjacent buttresses, upwardly directed retaining walls disposed along said arcs between said buttresses; and a bolt receptacle elevated above the reservoir at the top of each buttress.

Abstract: The present invention provides a stand base comprising a central hub and a plurality of legs removably attached to the central hub. Each of the legs depends radially outward and downwardly from the central hub. The base stand is adapted to receive the central vertical support of a display rack and provide both lateral and vertical support thereto. The plurality of legs may be detached from the central hub and packaged together in a nested configuration that is compact for shipping and storage. Each of the plurality of legs has an arcuate shape so that the plurality of legs provide a natural resiliency and upward bias when a load is placed on the display rack. The base provides support in either a normal-load mode or a high-load mode for improved vertical and lateral support of the display rack.

Abstract: A flanged connector for removably fastening an elongate rod or tube to a flat surface has two modes of operation. The connector has a flange with a flat bottom and a tubular member extending up from the base. In a first mode, the flanged base is fastened to the surface with the tubular member upstanding to receive the rod in a central passage. A threaded aperture in the wall of the tubular member receives a set screw that advances transversely through the wall to engage the rod and secure it in place. In a second mode, the connector is inverted and mounted below the support surface with the flat face of the base in a common plane with the support surface. A set screw that passes at an acute angle to the passage axis extends from the flat face to the central passage to secure the rod. When the rod is removed, the support surface is unobstructed.

Abstract: A bow holder including a base having a mounting plate and a first tubular sleeve affixed thereto. A carrier extends from the base and has a rod selectively slidably positioned within the first tubular sleeve. The carrier also has a first leg extending downwardly from the rod. A platform, having a slot for receiving the bottom of a bow, is cantilevered on the carrier. The platform has a second tubular sleeve at its rear end selectively slidably positioned upon the first leg and a third tubular sleeve at its front end. A prop extends upwardly from the front end of the platform. The prop has a second leg selectively slidably positioned within the third tubular sleeve and a U-shaped member affixed atop the second leg for engaging the lower limb of a bow and supporting the bow in an upright orientation.

Abstract: A base is designed to support a Christmas tree on the floor. The base comprises an upright main body, an upper seat fitted into the top end of the upright main body for holding the Christmas tree, a sleeve fitted over the upright main body, a lower seat fitted into the bottom end of the upright main body, and three legs for supporting the main body in the upright position such that an upper support rod of each of the three legs is releasably retained by the sleeve, and that a lower support rod of each of the three legs is releasably retained by the lower seat.

Abstract: A support post for a railing system comprises a base plate adapted to engage and support a vinyl support post at the base thereof and an interior support column located interior to the vinyl post. The support column is coupled to the base plate to form a high strength connection therewith. The upper end of the support column includes an arrangement for vertical adjustment of the vinyl support post.

Abstract: A support device for supporting a substantially vertical pole within an open-topped receptacle comprising a substantially vertical open-topped tube secured to a first flat plate. The first flat plate is locatable within the receptacle, and a second flat plate is locatable outside the receptacle. The two plates are secured to one another by suitable securing means such that part of the receptacle is trapped therebetween.

Abstract: A pump stabilizer stabilizes the position of the needle of a cylinder-type hand-held sport ball pump relative to the sport ball assuring that the needle is not bent or broken-off during the inflation pumping action, while permitting the pump cylinder to be held in one hand and the pump piston handle to be held in the other in typical fashion. The outer cylinder of the pump is fitted with a sliding peripheral ring. The needle end of the pump includes a mounting ring having three mounting tabs or brackets equilaterally spaced about the ring. Three legs are pivotably mounted on the sliding ring and secured to the mounting ring by hinged extensions, permitting the sliding ring to move along the axis of the cylinder and the legs to telescope in and out relative to the cylinder. When the needle is inserted in the orifice of the ball, the legs are telescoped down along the cylinder until they are in firm engagement with the ball. A locking device secures the assembly in place during the pumping action.

Abstract: A Christmas tree stand of adjustable nature having a platform of planar construction and an opening near the center of the platform is shown and described. Legs in connection with the platform are of adjustable nature and may be varied in length so that the area underneath the platform may be raised to store presents or adjust the height of the tree in relation to the ceiling. Securing means in connection with the opening are used to set the trunk of the tree in place.

Abstract: A stand intended to protect an underlying surface from juices discharging from a pumpkin, while providing pedestals for the support and display of the pumpkin.

Abstract: A Christmas tree stand intended for the support of large Christmas trees at commercial locations, which stand has a main body portion which has a trio of upstanding spaced tubular members, and three leg portions, each having three parts, one part of each leg being disposable within one of the respective upstanding tubular members. Each leg portion also includes a tree engaging member, the trio of which in combination with a main body pin onto which the tree trunk has been previously impaled, can support the tree in a generally vertical position.

Abstract: A hub is provided for the base of a swivel-type chair in which the hub includes a passage forming an interior wall which receives and retains therein a gas cylinder joining the base with a seat of the chair. The interior wall of the hub is formed with an upper portion, a ring portion, and a lower portion. The upper portion slopes downwardly and inwardly at a first taper angle relative to a longitudinal axis of the gas cylinder and the passage. The ring portion has an upper segment sloping downwardly and inwardly from the upper portion at a second taper angle greater than the first taper angle, a medial segment extending vertically from the upper segment, and a lower segment sloping downwardly and outwardly from the medial segment at a third taper angle less than the second taper angle but greater than the first taper angle.

Abstract: A sports assembly such as a basketball goal assembly with a removable ballast wherein the basketball goal comprises a base and a ballast component, which is separate from the base. In the assembled configuration, the ballast member preferably extends beyond the rear of the base to increase the pullover force required to topple the unit and provide more stability. A support pole preferably is mounted at the rear of the base. Thus, by extending the ballast member beyond the rear of the base, the advantage of rearwardly disposed ballast may be achieved. In order to be easily transported, the ballast component may comprise one large tank with wheels or the like, or multiple attachable tanks. In another embodiment of the invention, there is a sports apparatus ballast having two removable members which engage a structural member of the particular sports apparatus such as the pole of a basketball goal assembly.

Abstract: A patio umbrella base has a base housing that has a central opening, and an interior wall configured to define an interior space, with a shaft extending from the central opening. A first weight is secured to the interior wall of the base housing and retained inside the interior space, and a second weight is removably secured to the base housing and retained inside the interior space.

Abstract: A versatile and adjustable stand having a base, a receptacle attached to the base via a ball and socket joint, and a plurality of horizontally and vertically adjustable legs. The stand also includes a locking device which fixes the angular position of the ball portion of the ball and socket joint, and various spring biasing mechanisms which allow for vertical and horizontal adjustability of the legs.

Abstract: The invention relates to a new type of tent pole base plate that is multifunctional. The new base plate aids in the positioning and the support of tent poles and keeps poles on plate and in proper position. It can be anchored to any surface and will serve as an anchor for both tent poles and tent side walls. Its use will eliminate the use of protruding stakes as pole anchors and will reduce the flapping of tent side wall.

Abstract: A pet dish support apparatus for preventing insects and other undesirable things from getting into the food dish. The pet dish support apparatus includes a base having four telescopic member securely connected end-to-end, each telescopic member includes a cylinder, a shaft slidably disposed in the cylinder, and a locking member threaded through a wall of the cyclinder and being engageable to the shaft, and further includes four elongate support members being securely connected to the base and extending upwardly therefrom and being connect to a swing support member from which two swing members are suspended. At the bottom ends of the swing members are C-clamps which are used to hold onto a dish or bowl for the pet.

Abstract: The invention described in the specification relates to the art of fitness training and in particular to a training bag apparatus which comprises a training bag support base having a planar, substantially circular bottom portion, a dome-shaped upper portion attached to the bottom portion defining a substantially closed cavity therebetween. The upper portion having a dome-shaped outer surface contains a centrally positioned support collar attached thereto and at least two support ribs radiating from the support collar along at least a portion of the outer surface of the upper portion. The support collar and ribs are integrally molded with the upper portion. The base further includes a centrally positioned upstanding projection attached to the bottom portion and a substantially rigid elongate tube removably fitted over the upstanding projection and extending at least from the bottom projection to the support collar.

Abstract: A cap for protecting from rot and other deterioration the lowermost portion of a wood construction member supported by an elevated base. The cap has four lateral faces and a top face with a rectangular aperture formed by four flexible web portions which press against the member. The dimensions of the lateral faces are selected so that the lateral face bottom edges have a desired above-ground clearance.

Abstract: The invention provides a bus stop seating device including a tube dimensioned to encompass a sign post. A pair of rigid seats are connected to the tube on opposite sides of the tube.

Abstract: A portable platform for carrying to the beach a beach umbrella, umbrella support pole and pillow, all VELCRO fastened to the platform which serves to keep the pillow off the sand and to provide a cup holder and/or a box to secure small items, such as car keys and money, that may otherwise be lost in the sand. The platform may also be used to carry a stereo entertainment system onto the beach and to keep it out of the sand while the platform is placed on the beach to hold upright the umbrella support pole upon which the umbrella is fastened.

Abstract: A posture chair for heavy duty use in business offices and particularly designed to support exceptionally heavy occupants. In order to support heavy occupants a large number of legs are utilized in the chair base to support the chair, preferably eight. The invention further resides in the use of a support plate, such as a heavy gauge metal disc or washer affixed to the legs of the chair, and contoured to conform to the slope of the legs. The disc or washer, preferably formed of steel, is placed in the preferred embodiment under the legs and welded thereto by weld beads placed in the corner at which each side of each leg engages the disc or washer and also between the disc and hub. This results in an exceptionally strong structure sufficient to support very heavy occupants. These elements of the chair base may also be integral and of cast metal, e.g., aluminum.

Abstract: A free-standing overhead fan apparatus includes a stand and a fan mounted on the stand. The stand includes a base positioned on ground level and an elongated member extending upwardly from the base. The fan is mounted at the upper end of the elongated member, preferably about seven feet above ground level. The fan includes a housing containing an electric motor and a rotating shaft extending from the motor. The fan also includes fan blades radially extending from the motor shaft. The fan is mounted on the stand such that the motor shaft and fan blades are rotatable about a vertical axis to emulate a ceiling fan.

Abstract: A holding apparatus for use with an antenna apparatus which includes a pair of rod antennas (1a, 1b), a holding member (2) for holding the pair of rod antennas (1a, 1b), and a mounting shaft (4) projecting from the holding member (2) in a direction opposite to which the pair of rod antennas (1a, 1b) are provided, wherein the holding apparatus is composed of a top cover (10) having opening portions (11a, 11b) through which the pair of rod antennas (1a, 1b) can pass and clipping portions (12a, 12b, 13a, 13b) for clipping the holding member (2) of the antenna apparatus, and a stand base (20) having a mounting hole (21) into which the mounting shaft (4) of the antenna apparatus can rotatably fit.

Abstract: A patio table and fan combination. The device uses a fan mounted on a pole that passes through the center of the patio table. The pole also supports an umbrella that can be used for shade when the table is located outside. The fan motor is mounted co-axially with the fan. The device includes pole mounted lights and a mist device. The patio table fan combination is powered by conventional household electrical outlet or by solar panels mounted on the patio umbrella. The central pole for the device comes in three pieces to facilitate shipping and assembly.

Abstract: An accessory for a patio deck having a floor and a peripheral railing. The accessory includes a stand for being fastened to the floor of the patio deck, a bracket for being fastened to the upper bar of the railing and a post having a lower end mounted in a bore of the stand and an upper end extending through an aperture in the bracket. The invention also includes a bracket for a patio deck accessory which includes a post and wherein the bracket is adaptable for supporting posts of different thicknesses.

Abstract: A selectively moveable umbrella (10) for use in providing shade during outdoor leisure and work-related activities, in which a support holds an umbrella post (36) with a first end (37) and a canopy (41) attached to a plurality of support ribs extending from a portion of the post near a second end (39) distal from the first end. The support attaches to a triangular base frame (12). An elongated handle (28) extends outwardly from under the canopy from a corner edge (13) of the base frame. Two back wheels (34) are attached to the base frame near an end remote from the handle and an additional support (24) depends from an end of the base frame remote from the back wheels. Using the handle, the base frame is moved in order to wheel the umbrella to a new position for shading outdoor activities.

Abstract: A trim for a recessed lighting utilizing a carrier having a first member with a flange extending outwardly from the same. The member includes an opening to permit light to pass from a lamp. A yoke is also found in the trim of the present invention and includes first and second legs connected by a bridging member. The yoke includes a mechanism for rotating or folding the same toward and away from the carrier.

Abstract: An elevated column base for supporting a wood column subjected to high mechanical loads and protecting the column lowermost portion from rot and other deterioration due to exposure to a tropical environment. The column base includes a stanchion, a diaphragm, and a cap, each monolithically molded from a thermoplastic. A first embodiment of the stanchion adapted for a 6.times.6 or 8.times.8 column includes a solid base portion with a cavity which is filled with concrete and plugged with the diaphragm. The stanchion has two pairs of side walls attached to the base portion. Opposed gussets attached to the upper portions of one pair stiffen the side walls against transverse loads. Most of the load carried by the wood column is borne by the concrete and by two horizontal bolts. The diaphragm acts to spread the load force to the base portion and side walls. The load on the diaphragm acts to create a seal against moisture entering the cavity. A second embodiment of the stanchion adapted for a 4.times.

Abstract: A portable furniture base for attaching a base stand to a deck surface form having a plurality of spaced apart planks so that the stand can be moved to various locations. The portable furniture base includes an upper member, an upper support portion and is mounted on the upper end of a base member. An elongate tension wire disposed in the hollow interior of the base member attaches the base member to a deck by extension of its lower anchoring end through a space between two adjacent planks of the deck. The tension wire anchoring end is rectangular in shape to form a pair of opposing anchoring flange portions which may positioned so that they abut the lower surface of the deck. The tension wire upper end is coupled to a threaded bolt. An adjustment nut disposed on the threaded bolt and is mounted to permit rotation on the base member upper end to provide an adjustment of the tension within the tension wire.

Abstract: A pole support is adapted for use in a mast assembly of a sail craft to selectively adjust tension of a sail. The mast assembly comprises an elongated and rigid tubular member having a central longitudinal axis and a surrounding sidewall defining an interior therefor. The tubular member has a base portion adapted to engage a mast foot and an upper portion sized to slidably engage a mast pole. A selectively actual drive mechanism includes a lift structure which is operative to support the mast pole and upon actuation of the drive mechanism to adjustably vary the effective length of the mast assembly by moving the mast pole further from and closer to the base portion, thereby to respectively increase and decrease tension of the sail when the tack is secured to the mast foot. The lift structure may also include a collar slidably disposed thereon, which collar has a neck to provide a first protective spacer between the mast pole and the tubular member.

Abstract: A Christmas tree stand that enables a user to adjust the vertical alignment of the tree by him/herself. A unique gimbals arrangement is provided that permits adjustment in one plane while the other plane can be fixed. The verticality position is set by merely turning two easily turnable knobs that are tightened against tilt locking plates which are connected to supporting legs that make up the gimbals. Also, the stand has a single bolt attachment mechanism for locking the tree within the stand. A water indicator apparatus that is hung over the side of the stand enables the user to determine the amount of water within the stand without the need for crawling under the tree.

Abstract: A stand for supporting an elongate object such as a Christmas tree in a substantially vertical orientation has a central tubular support (4) adapted to receive an end of the object, and a plurality of legs (12) pivotally secured to the tubular support (4) so as to be movable between a retracted position and an extended position wherein the legs extend radially outwardly therefrom, and a locking collar (10) which is slidably disposed on the support (4) to engage lugs (24) on the legs (12) to secure them in the extended position.