Abstract: A portable camera support device for elevated photography and videography is disclosed herein. The portable camera support device includes a base assembly, the base assembly including a plurality of collapsible legs extending downwardly from a central hub; a telescoping mast assembly adjustably coupled to the central hub of the base assembly, the telescoping mast assembly including a plurality of telescoping pole members; and a camera mount coupled to an upper end of the telescoping mast assembly, the camera mount configured to attach a camera to the upper end of the telescoping mast assembly. The portable camera support device is configured to provide an elevated vantage point for the camera from which to photograph and/or record a desired area.

Abstract: A vehicle operation and riding data collection device includes a housing defining an internal cavity, a power source supported by the housing in the internal cavity, a communications element supported by the housing in the internal cavity, a global positioning element supported by the housing in the internal cavity, at least one sensor supported by the housing in the internal cavity, and a processor configured to manage the power source, the communications element, the global positioning element, and the at least one sensor, to perform functional features corresponding to providing vehicle operation and riding data to, and receiving input from, a user.

Abstract: A coupler includes a collar defining a member receiving passage. First and second lobes extend outwardly from the collar. The first lobe includes a lobe ramp surface, a cylindrical projection extending from the first lobe and radially surrounding the lobe ramp surface, and a gear extending from the cylindrical portion. A passage is defined in the first and second lobes and has a first axis. A lever arm is rotatable about the first axis. The lever arm includes a lever ramp surface. A pawl arm is movably connected to the lever arm. The pawl arm includes a portion biased into engagement with the gear teeth. A fastener extends through the passage and couples the lever arm to the first lobe so the lever ramp surface cams with the lobe ramp surface. Rotation of the lever arm in a first direction brings the first and second lobes toward each other.

Abstract: A pole assembly to support a device at an elevation and including a slidably joined first tube and second tube. A first collar mounts to an end of the first tube and the second tube protrudes from the end. A second collar is adjacent the first collar. A lock-and-key coupling, associated with the collars, prevents them from separating longitudinally along the tubes. The coupling is operable in adjustment and lock modes while a key is in a lock aperture to secure the collars together. In the adjustment mode, the tubes can slidably move relative to one another. In the lock mode, the first tube can be fixed relative to the second tube. The key can slide radially inward and outward, toward and away from a longitudinal axis of the first and second tubes when the lock-and-key coupling transitions from the adjustment mode to the lock mode and vice versa.

Abstract: An adjustable and maneuverable taxidermy stand may include a base assembly; a lower hinge assembly adjustably attached to the base assembly; an upper hinge assembly pivotally attached to the lower hinge assembly; a hub assembly adjustably attached to the upper hinge assembly; and at least one mounting plate assembly adjustably attached to the hub assembly. Each assembly may be attached to an adjacent assembly using a shaft collar subassembly. Each shaft collar subassembly may include a threaded collar half removably attached to a non-threaded collar half; and a fastener attaching the threaded collar half to the non-threaded collar half, wherein when the threaded collar half is attached to the non-threaded collar half an inner diameter of the shaft collar subassembly is sized to accommodate a shaft tubing from any of the various assemblies.

Abstract: An ice-making freezer having a freezer assembly; a fluid reservoir coupled to the freezer assembly by a hose and configured to contain a fluid; and a mounting assembly configured to adjust the fluid reservoir to be in a first position during an ice-making mode and in a second position during a cleaning mode, wherein when the fluid reservoir is in the second position the fluid submerges at least a portion of the freezer assembly.

Abstract: A boot housing device includes: a body having an upper end and a lower end, the body including two leg parts arranged with a specific gap therebetween on its lower end side so as to allow a toe of a boot to be arranged in the gap; and an elevating member including a support pole supported by the body and a shoe receiving part that is attached to an upper end of the support pole and is arranged above the body, the elevating member being provided movably in an axial direction of the support pole.

Abstract: A kit for mounting one or more appliances on a pole, the kit comprising a central ring for being mounted around a pole and having a through-hole, a fitting surface and a support surface, and a carrier having a base part and at least one support arm extending from said base part for supporting one or more appliances, wherein said base part is adapted to be fitted on said support surface and has a through-hole adapted for being fitted around said fitting surface.

Abstract: Embodiments of the invention include an apparatus for positioning an electronic display. The apparatus can be combined with an existing work surface to provide a multi-position workstation. In some cases the apparatus includes a mounting portion configured to support an electronic display and a keyboard. The mounting portion may be movable with respect to the work surface between multiple positions, including for example, a sitting position and a standing position. Methods for positioning an electronic display and a keyboard are also included.

Abstract: A method and apparatus for a seat post assembly that is adjustable to an upper, intermediate, and lower seat post position using a locking member and a sleeve member coupled to an actuator for securing and releasing an inner tube with respect to an outer tube. The actuator may move the sleeve member to release the locking member from engagement with the outer tube to adjust the inner tube and thus the seat post assembly to the upper, intermediate, or lower seat post positions. The actuator and the sleeve may be biased into an initial position that urges the locking member into engagement with outer tube to lock the inner tube to the outer tube.

Abstract: A telescoping mount includes an outer member, an inner member at least partially received in the outer member such that one member is movable relative to the other member between an extended position and a retracted position, a platform coupled to one of the outer and inner members for supporting a device, and a locking mechanism. The locking mechanism is operable to substantially lock the position of the outer and inner members relative to one another in a plurality of non-predefined positions between the extended position and the retracted position. The locking mechanism is movable manually by a user to an unlocked position allowing adjustment of the mount between the extended and retracted positions, and the locking mechanism is movable automatically, upon release of the locking mechanism by the user, to a locked position in which the outer and inner members are substantially prevented from moving relative to one another.

Abstract: A lifting device for a chair includes an upright support post, a tapered locking sleeve adjustably mounted on the support post, a tapered pressing sleeve mounted on the locking sleeve, a stepping ring having a mounting tube which is mounted on the pressing sleeve, and a dustproof cover abutting a top of the mounting tube of the stepping ring and secured on a top of the pressing sleeve. Thus, the pressing sleeve surrounds the locking sleeve to distribute the pressing force evenly, and the locking sleeve surrounds the support post to distribute the pressing force evenly so as to prevent the pressing sleeve and the locking sleeve from being worn out or broken due to a stress concentration and to enhance the lifetime of the lifting device.

Abstract: An equipment support, such as an IV pole, comprises an upper portion, a lower portion having a lower end configured to engage a socket, and an actuator movable relative to the lower end. When the upper portion is gripped by a releasable gripper, the lower end can be disengaged from the socket by moving the actuator from a first position to a second position. The lower portion can be telescoped relative to the upper portion by moving the actuator from the second position to a third position.

Abstract: A telescopic tube locking structure includes a telescopic tube including at least a upper tubular part and a lower tubular part; an eccentric camshaft having a lower portion fixed in the lower tubular part and a upper portion being inserted into the upper tubular part, and, an opening cam having a larger diameter than the upper portion of the eccentric camshaft is rotationally mounted on the eccentric shaft and is inserted in and engaged with the upper tubular part in a rotationally fixed manner such that the opening cam is axially movable along with the an eccentric camshaft in the upper tubular part and is rotationally fixed with the upper tubular part; wherein a central line of the opening cam is offset from a central line of the upper portion of the eccentric camshaft.

Abstract: A screen supporting apparatus includes a supporting member and a movable assembly. The supporting member includes a base and an upright supporting rod disposed fixedly on and above the base. The movable assembly includes a mounting member disposed on the supporting rod and including a slideway unit. The sliding member has two spaced-apart engaging portions slidable within the slideway unit of the mounting member to adjust the inclination angle of the sliding member relative to the mounting member.

Abstract: A lifting device for a chair includes an upright support post, a tapered locking sleeve adjustably mounted on the support post, a tapered pressing sleeve mounted on the locking sleeve, a stepping ring having a mounting tube which is mounted on the pressing sleeve, and a dustproof cover abutting a top of the mounting tube of the stepping ring and secured on a top of the pressing sleeve. Thus, the pressing sleeve surrounds the locking sleeve to distribute the pressing force evenly, and the locking sleeve surrounds the support post to distribute the pressing force evenly so as to prevent the pressing sleeve and the locking sleeve from being worn out or broken due to a stress concentration and to enhance the lifetime of the lifting device.

Abstract: A support device is provided including first and second telescopic members, the distal end or ends of the members engaging with a suitable surface in use. Locking means are provided on the first and/or second members to lock the members in a required relative position. The locking means includes a locking portion movably mounted on the first and/or second members and actuating means. The actuating means move the locking portion between a first unlocked position, wherein the locking portion is movable relative to the first and/or second members, and a second locked position, wherein the locking portion engages with the first and/or second members to lock the members in the required relative position.

Abstract: A cooking utensil support apparatus used for the cooking of food in a cooking utensil over a heat source, such support apparatus having stand and a cooking utensil handle support member adjustably positioned on such stand with angle adjustment means for adjusting the angle of the cooking utensil handle support member and the handle supported therein of such cooking utensil.

Abstract: A boom stand is constructed from a base, extensible stand, pivotal boom support, and boom. The base has arcuately segmented massive anchors that form a perimeter. The arcuately segmented massive anchors are shaped and sized to fit within the perimeter of like bases, to decrease minimum distances between stands during storage or close use, while still providing stability. Over-center clamps provided on the extensible stand are extruded to include unitary cord guides, and are engaged with tube ends to prevent rotation or accidental removal. The pivotal boom support incorporates a disc and elastomeric pads to provide superior locking and vibration reduction, and utilizes in alternative embodiments perimeter and central over-center clamps which further enhance the operation.

Abstract: An adjustable telescopic support. The support has at least two tubular elements slidable telescopically one inside the other. A device locks the elements in an adjustable position and includes a seat at one end of the external tubular element and a contractible collar mounted in the seat between an operative position in which the collar is clamped on the internal tubular element and locks the tubular elements axially relative to each other, and a non-operative position in which the tubular elements can slide. A clamp is provided between the collar and the seat for contracting the collar as the collar moves in the seat. The support also has an actuator between the collar and the external tubular element that moves the collar axially in the seat between the operative and non-operative positions. The actuator includes a spring, a collar-carrying member, and a cam profile.

Abstract: A boom stand is constructed from a base, extensible stand, pivotal boom support, and boom. The base has arcuately segmented massive anchors that form a perimeter. The arcuately segmented massive anchors are shaped and sized to fit within the perimeter of like bases, to decrease minimum distances between stands during storage or close use, while still providing stability. Over-center clamps provided on the extensible stand are extruded to include unitary cord guides, and are engaged with tube ends to prevent rotation or accidental removal. The pivotal boom support incorporates a disc and elastomeric pads to provide superior locking and vibration reduction, and utilizes in alternative embodiments perimeter and central over-center clamps which further enhance the operation.

Abstract: An adjustable stop attached to the smaller of two nested telescoping tubes. The stop is in the form of a sleeve that is axially and rotationally adjustable on the smaller tube. The sleeve is smaller in diameter than the inner diameter of the larger tube, and it has a detent for a pin extending inward from a tube clamp on the larger tube. The detent receives and releases the pin in both axial directions. This provides a detent at a selected relative extension and rotation position of the tubes, yet it also allows the smaller tube to fully retract into the larger tube. The tube clamp is used to fix the tubes at the detent position. The tube clamp is used conventionally to set a desired detent position.

Abstract: An apparatus for handling, lifting and supporting construction panels such as sheet rock or the like includes a pole unit that has telescoping poles supported on a scaffolding unit by supports that are quickly and easily attached and detached from the scaffolding unit. A workpiece engaging element is rotatably mounted on the poles.

Abstract: An extensible positioning device of the shank of an umbrella includes an outer tube, an inner tube, an adjusting cylinder and a fixing cylinder. The inner tube may telescope in the outer tube. The outer tube has holes spaced apart horizontally in a lower portion for compressing members of positioning arms of the fixing cylinder to move in and out. The adjusting cylinder has female threads formed in a lower end, and the fixing cylinder has male threads engaging the female threads after the adjusting cylinder and the fixing cylinder fit around the outer tube. When the adjusting cylinder is screwed tightly around the fixing cylinder, the compressing members of the fixing cylinder moves gradually in the holes of the outer tube and further compress the inner tube tightly to keep the inner tube at an adjusted position relative to the outer tube.

Abstract: Adjustable locking and unlocking structure for a telescopic tube, including two locating members mated with each other, an actuating push plate, a restoring spring, a main restricting plate, a subsidiary restricting plate, several restricting rings, a compression spring and an adjustment rod. The inner face of each of the locating members is formed with a central arch channel for the adjustment rod to pass therethrough. A middle rear section of the arch channel is cut with a trapezoid restricting cavity. A front and a rear walls of the tapered restricting cavity are formed with slope sides. Each of the main and subsidiary restricting plates includes a circular restricting ring section and a bent press section integrally connected with upper side of the restricting ring section. The restricting ring section is formed with a central restricting hole.

Abstract: A pole holder is provided which has an outer annular ring, an inner C-shaped partial ring having a circular cross-section with an opening therein, and a screw for exerting pressure on the outer surface of the C-shaped partial ring whereby the size of the opening is reduced with a corresponding reduction in the circumference of the partial ring, causing the partial ring to non-slidably grip the pole. The pole holder permits simple adjustment of the height of an object attached to a pole and can be easily adapted for use with poles of different diameters by changing the partial ring which grips the pole.

Abstract: The present invention combines a small, compact, light-in-weight television receiver with a positioning mechanism that allows the television viewer to orient the television screen to suit her own comfort. The small size of the television receiver is intended to service only a few viewers at a time. Since the present invention utilizes a small, lightweight television receiver, a much more agile positioning mechanism can be employed.The television receiver is supported in space by the articulation mechanism. The articulation mechanism can be attached to a wall, the headboard of a bed, to a piece of medical equipment, or to any other fixed object. An umbilical cable is drawn through the articulation mechanism and connects the television receiver to a power adapter. The power adapter accepts utility power from household convenience outlets and draws television signals from an antenna or a cable television outlet.

Abstract: An adjustable foot of a piece of furniture or support, having an adjusting arrangement formed from an internal adjusting part and a sleeve element displaceably mounted on the internal adjusting part. With a simple structure, a multiple variability of the foot of a piece of furniture or support is possible when the sleeve element is configured as a connector element, the outer surface of which is adapted to the internal diameter of an external profile for insertion into the external profile and has an abutment, on which the external profile is supported in the inserted position.

Abstract: An adjustable leg system incorporating an inner tube assembly which readily and easily positions vertically in a surrounding and coaxially aligned outer tube assembly. The inner tube assembly is suspended concentrically to and on a counterbalance assembly contained partially within and concentric with the outer tube assembly. An actuating handle at the upper end of the positionable inner tube assembly operates a pushrod assembly which operates and influences a plurality of flat springs, one end of which engages between the inner tube assembly and the outer tube assembly to vertically lock the adjustable leg system in a triangulation configuration. During locking by the flat springs, glides spaced apart at about 120.degree. on the exterior surface of the inner tube assembly are brought to bear against the interior surface of the outer tube assembly.

Abstract: A bobbin core holder for a bobbin creel. The bobbin core holder includes a sleeve body securable on a creel rod, on which sleeve body a ring socket is fitted so as to be rotatable into at least one predeterminable rotary position by a releasable spring detent mechanism. The bobbin core holder also includes a bearing block on the ring socket having a bore therein for the bobbin core and an additional threaded bore opening into the bobbin core bore for a set screw. The bobbin core bore is open at both ends and is circumferentially closed with its axis extending transversely with respect to the axis of the ring socket. The bobbin core bore has an intermediate longitudinal section which at least partly extends through the ring socket, and the length of the bobbin core bore is approximately the same as the outside diameter of the ring socket. The threaded bore extends approximately radially relative to the ring socket axis.

Abstract: A boat seat is rotatably supported on a tubular deck-mounted support post or column by a yoke having an annular extension engaging said tubular support. A locking plate having ridges or teeth for engaging slots on the exterior of the tubular support is mounted on the yoke and is selectively movable into locking engagement with said slots by a lever arm to positively prevent rotation of the boat seat. A spring biases the locking plate out of locking engagement when the lever arm is moved to the unlock position.

Abstract: A telescoping assembly is attached to a base for supporting the assembly above a floor. The assembly includes nestable elongated members having threaded sleeves configured to tighten the members in place in a nested position and in an extended position. A trouble light hook is attached to a distal end of the elongated member which is most distal from the base when the assembly is in a fully extended position.

Abstract: A drop-bottle stand includes a base, a lower connecter, an outer tube, an inner movable tube extending and movable in the outer tube, an adjusting sleeve, a lower connecter, a cylindrical member, an upper connecter, a top hanging bar, an eccentric arm, and a plate. The inner movable tube can be moved up and down relative to the outer tube so as to adjust the height of the hanging bar by means of the eccentric arm, which can be swung to release or compress the plate and then the inner movable tube so as to free or tighten unmovable the inner tube for adjusting its position. The outer tube and the inner tube all have two opposite grooves to engage with each other to prevent the inner movable tue from moving rotatably.

Abstract: A collapsible tripod stand for supporting an instrument in a spaced position above a supporting surface. The collapsible tripod stand will normally have a slanted main supporting member which has an upper end upon which is to be mounted the instrument and a lower end which is to be located against the supporting surface. Mounted to the main supporting member are a pair of legs which are angularly disposed relative to each other when such extend transversely to the main supporting member and are in contact the supporting surface. Each of the legs is connected by links to a middle clamp band mounted on the main supporting member with this middle clamp band being slidably movable thereon. Movement of the middle clamp band is capable of locating the legs in numerous transverse positions relative to the main supporting member or when in the collapsed position the legs are located alongside and substantially parallel to the main supporting member.

Abstract: A telescoping support pole suitable for supporting tarpaulins or camouflage netting is described. The pole is made up of a plurality of tubes that nest within one another for storage. To deploy the pole, the tubes are extended in a telescoping fashion. Ball locks are provided for maintaining the extended poles in desired longitudinal relationships. The ball locks are activated by spring loaded collars that force balls into circumferential grooves formed in the outside surfaces of the inner telescoping tubes. The collars may be manually operated to release the ball lock mechanism to permit the pole length to be adjusted or to permit the tubes to be nested within one another for storage. Pivoting fixtures suitable for use at the upper end of the support pole are also described.

Abstract: A drumstick station for holding drumsticks to be readily accessible to a drummer during a performance. The drumstick station has a stick holder which is adjustably mounted to a plurality of telescoping rods which may be mounted on a tripod base or on a drum itself. The telescoping rods allow a vertical adjustment in the height of the stick holder. The adjustable mounting of the stick holder to the telescoping rods allows the stick holder to be adjusted in two planes in addition to the vertical adjustment allowed by the telescoping rods. A variety of configurations within the stick holder allow a wide choice for a drummer in determining how the sticks are held within the drumstick station.

Abstract: A TV stand is provided for supporting various sized TV sets at the optimal angle for viewing while lying in a bed, for supporting the TV at the optimal the height, for concealing the wiring of the set, and for minimizing the floor space occupied by the stand.

Abstract: A post holder is provided with a breaking arrangement to hold a post without application or external force even under the influence of gravity. In the preferred embodiment, a post holder is provided with a shoe which contacts the post. The shoe is urged toward the post with a spring, in the preferred embodiment a single convolution spring. Preferably, the shoe has a relatively large face area contacting the post, thereby provide more positive locking of the post relative to the post holder with the application of lesser external force. Ideally, the spring applies sufficient force on the shoe that the post does not move under the force of gravity. In operation, the user may remove the external force, move the post relative to the post holder, and reapply an external locking force, at any time the post being supported by the breaking arrangement. In this way, the user may move the post relative to the post holder with a single hand.

Abstract: A leg locking device for a telescopically extensible leg of a tripod support which prevents deformation of an inner leg section so as to provide secure, long-lasting engagement of the locking device. Each telescopically extensible leg of the tripod supports includes at least one pair of outer and inner tubular leg sections telescopically slidable one within the other, wherein each tubular leg section has a six-sided polygonal cross-section. A leg locking device associated with each telescopically extensible leg has a locking lever mounted on the outer leg section for pivotal movement transverse to the longitudinal axis of the telescopically extensible leg.

Abstract: Disclosed is a fully portable medical I.V. equipment stand/pole (12). This invention is a triple sectioned telescoping mast assembly (13),(14),(15), with each section able to be locked into the other by means of an internal rotary cam-clutch (16),(17),(18),(19), which maintains a desired height of I.V. fluid or feeding solution above the patient regardless if the patient is ambulatory or in bed. Opening or closing of the I.V. equipment stand/pole is accomplished with a single movement of a control handle(24) which controls the mast assembly support legs(23). Fluids and feeding solutions are hung from the hanger rod assembly (30,),(31),(32). A control knob (32) frees or restricts horizontal movement of the hanger rods (30), and the circular rotation of the entire assembly (30),(31),(32).

Abstract: A speciality convenience device comprising a U-shaped framework of rigid-tubing, serving to both house and support an extensible flexible-gooseneck member capable of being manually omni-adjusted into any desired positional attitude; the device being substantially flat between legs of said U-frame so as to be easily installed upon an existing automobile's or spectator-bench's seat back, while thus held captive thereto by presence of the user's own back resting thereupon; the user being either an adult or juvenile by virtue of a special U-frame width-adjustment provision which includes a co-operative sizing-adjustment of the back-spanning fabric covering; the covering including a pocket-like formation thereto also facilitating a convenient stowing place for the gooseneck's detachable sunshield member, including provision of a sunshield folding capacity, as well as an optional attachable child's activity-center thereto.

Abstract: An interior clamping device for tubular poles which includes a driver disposed in one tubular member with a tapered end portion projecting outwardly from the tubular member. An expandable sleeve is disposed in a second tubular member. Locking means removably secure the driver to the sleeve by a fastener so that when the driver is rotated in one direction the expandable sleeve is moved radially outwardly against the inner surface of the tube to lock the tubes together.

Abstract: A stabilizer including a female ring installed on a female tube of the telescopic stand and a male ring installed on a male tube of a telescopic stand. The male ring is put in the female ring and a hole is set on each of two outwardly projecting parallel walls. Inside one of the holes of the female ring is a toothed block which is engageable with another toothed block of a handle so that the tightness and relaxation of the stabilizer is determined by rotating the handle to engage or disengage the two toothed blocks. The male ring further has an opening between the two holes of the male ring in which a spring is set to provide the male ring with a better restoring force.

Abstract: A mechanical height adjustment apparatus having a tubular telescopic body portion powered by a spring-loaded nut on a tubular threaded shaft and in which the same spring means acts to close a friction clutch that is selectively releasable by lever means relatively displacing the clutch surfaces as desired.

Abstract: An upright, detachably attachable to the frame of a wheelchair, supports a vertically adjustable mounting for a service tray. The mounting includes a quick release cam for precisely locating and pivoting the service tray into and out of a position of use.

Abstract: A computer support includes a base member to which an inner swing arm is pivotally mounted with an outer swing arm being pivotally mounted on the outer end of the inner swing arm and supporting a platform support by a lazy-susan bearing on its outer end. The pivotal connections are provided by pivot shafts over which pivot sleeves are positioned with upper and lower spaced roller bearing sets therebetween and a low-friction load bearing sleeve of substantial hardness engaging the lower end of each pivot sleeve to support same. Brake/lock means at each pivot permits retention of the arms in any desired rotational position in separate horizontal planes of movement.

Abstract: A device for locking a rod against movement in an extending or contracting direction is disclosed. In the device, a torsion spring is provided between a cylindrical receptacle and an operating member rotatably mounted thereon. The rod member, which is inserted in the receptacle, is normally locked against movement by the torsion spring. The rod can be released from the locked state for movement in an extending or contracting direction by releasing the clamping force of the spring by turning the operating member.

Abstract: An improved easily-adjustable chair pedestal having two principal tubular members, including a base member and a pedestal tube therein, which are axially adjustable to an infinite number of positions and are clamped together at the desired relative positions. An off-center coil spring, which is held in proper vertical alignment by support structure, biases the pedestal tube upwardly. A clamp screw passes through an orifice in the base member and through a slot in the pedestal tube and is threadedly engaged with a locking block, located inside the pedestal tube in space provided by the off-center location of the spring, to hold the principal tubular members in position.

Abstract: In furniture having vertically adjustable legs, the legs comprise inner and outer telescoping leg segments which are relatively vertically movable. The inner leg segment carries brake shoes which are movable transversely relative to the longitudinal axis of the inner leg segment. A pair of levers are disposed within the inner leg segment and are swingable about a common transverse axle so as to selectively lengthen and shorten the effective transverse dimension of the levers. Outer ends of the levers bear against respective brake shoes, such that when the effective transverse dimension of the levers is lengthened, the brake shoes are pushed outwardly into frictional engagement with the outer leg segment to prevent movement of the latter. When that effective transverse dimension is shortened, the brake shoes are retracted to release the outer leg segment for movement.

Abstract: A lock for a tubular telescoping support such as tripod leg includes a clamping lever for locking inner and outer members against telescoping displacement and load bearing portions interposed between the two members such that the locking force applied by the clamp is circumferentially distributed among the clamp and two load bearing portions to thereby prevent flattening of the inner tube under locking clamp force.