Abstract: An adjustable length handle having a first handle member, a tubular shaped second handle member and an adjusting mechanism interconnecting the two handle members to shorten or lengthen the handle length. The second handle member has an interior channel that receives the first handle member. An inner surface of the channel is in opposing relation to an outer surface of the first handle member. The adjusting mechanism comprises a longitudinally disposed length adjusting slot and one or more laterally disposed engaging slots in the inner surface that receive an engaging member which extends outward from the outer surface of the first handle member. When in the length adjusting slot, the engaging member allows linear movement of one handle member relative to the other handle member to adjust the handle length. When in one of the engaging slots, the engaging member prevents such linear movement to fix the handle length.

Abstract: A telescopic adjuster including first and second linear actuators, a connecting platform and first and second telescopic levers is provided. The first linear actuator includes a first screw and a pair of first fixing rings. The first fixing rings are arranged at two respective ends of the first screw. The second linear actuator includes a second screw and a second fixing ring. The second fixing ring is arranged at the end of the second screw, relatively away from the connecting platform. The first and second linear actuators are arranged on the connecting platform in parallel. The first screw pushes the connecting platform to move along the first screw, and the first fixing rings limit a movement of the connecting platform. The first and second telescopic levers are coaxially arranged.

Abstract: A pool with an elliptical frame is disclosed. The pool includes a support frame (A) and a flexible pool liner (B) which is supported by the support frame (A) and is used for containing water. The support frame (A) includes a horizontal and substantially elliptical upper frame (1). A plurality of vertical support members (2) and oblique support members (3) are used for supporting the upper frame (1). Two opposite ends of the upper frame (1) are arranged two opposite arcuate frames (11) along the major axis direction of the elliptical upper frame. Two opposite parallel straight frames (12) having the same length are respectively coupled between the two arcuate frames (11). The arcuate frames (11) and the straight frames (12) form the closed upper frame (1). The wall-mounted filtration apparatus is arranged on the pool using the connecting threads (710) positioned on the water outlet (128) of the pool.

Abstract: A locking device for a height-adjustable furniture column includes a switching lever, an actuating element, an engaging element having a plurality of locking recesses, and a slide, in which an engaging means is guided. An item of furniture includes the locking device. A method for adjusting the height of the furniture item.

Abstract: A height-adjustable cart is provided, including: a cart frame, having two first retractable rods which are disposed diagonally and two second retractable rods which are disposed diagonally, each of the first and second retractable rods having an upper rod and a lower rod which is retractably connected with the upper rod; two resilient engaging members, resiliently releasably positioning the upper rod and the lower rod of the two first retractable rods, respectively; two positioning members, removably connecting the upper rod and the lower rod of the two second retractable rods, respectively; at least one tray, connected with the first retractable rods and the second retractable rods.

Abstract: A piece of seating furniture having at least one base body, at least one adjustable functional part, at least one pivot fitting for adjusting the functional part relative to the base body and a separate, lift setting mechanism for locking the functional part in relation to the base body. The lift setting mechanism has a guide and a slender bar which can be moved in relation to the guide. The lift setting mechanism can be moved from a set position, blocking the adjustment of the functional part, to a reset position, unblocking the adjustment of the functional part. The pivoted lever is pivotably connected to the base body separately via two adjusting levers, the two adjusting levers are jointly connected to the base body via a control lever and one adjusting lever is pivotably connected to the base body via a guide lever.

Abstract: A height adjustable desk can include a work surface; and at least one leg assembly connected to the work surface. The at least one leg assembly can include: a first member; and a second member moveable relative to the first member along a longitudinal axis; and a counterbalance mechanism connected to the desk and configured to counteract a force exerted on the work surface. The counterbalance mechanism can include: a wheel; a gas spring having a cylinder and a moveable piston; a wheel moveably connected to the gas spring; and the tension member is connected to the leg assembly.

Abstract: A lift adjuster is depicted and described for adjusting seating furniture and/or reclining furniture, with a housing and an adjustment bracket. The adjustment bracket is maintained in the housing and can be partially pulled out of the housing. In order to enable comfortable adjustment, it is proposed that at least one clamping element is provided displaceable with respect to the adjustment bracket between a clamping position and at least one adjustment position in that the at least one clamping element is received in a clamping manner in the clamping position in a clamping gap between the adjustment bracket and the housing such that the adjustment bracket is prevented from sliding into the housing.

Abstract: A length-adjustable tube for trekking sticks etc, comprising an outer tube and an inner tube insertable telescopically into the outer tube, and an expanding device with which the inner tube is clampable in the outer tube. The expanding device has an expanding element which can be pushed apart radially and is provided with a taper, and an inner element which is provided with an opposed taper and is accommodated in the expanding element. An adjustment screw held on the inner tube is operatively connected to an internally threaded bore in the inner element A clamping section is arranged on the expanding element, which, in a relaxed state, has a greater radius than the radius of the expanding element. The clamping section is elastically offsettable inwards counter to a restoring force.

Abstract: An adjustable leg for supporting the top of a table. The adjustable leg includes a plurality of telescoping leg members in which the inner surface of one leg member faces and slides with respect to the outer surface of another leg member. Contrast members are provided between the inner surface of the one leg member and the outer surface of another leg member to form a forced coupling between the two leg members, to generate a static friction force therebetween, so that the static friction force opposes an outer longitudinal force applied to the second leg end towards the first leg end, to lock in rest the leg members to one another.

Abstract: The present application relate to an item of furniture, in particular a table, having at least one length-adjustable leg (15, 15.1, 15.2). The length-adjustable leg (15, 15.1, 15.2) includes a first telescopic element (2, 2.1, 2.2) which is realized as a hollow body, as well as a second telescopic element (3, 3.1, 3.2) which is mounted inside the first telescopic element (2, 2.1, 2.2) so as to linearly displaceable along a first axis (A). A locking device (16) which is arranged on the second telescopic element (3, 3.1, 3.2) comprises at least one first pin (17) which is movable by means of an actuating device (28) from a first position, in which the at least one first pin (17) prevents the movement of the first telescopic element (2, 2.1, 2.2) relative to the second telescopic element (3, 3.1, 3.2) as a result of a force-fitting connection or form-fitting connection, into a second position in which the displacement is not prevented.

Abstract: A portable stool for providing convenient seating comprising: a base, where the base is placed on a surface during use of the stool; a support post, where the support post extends vertically from the base; a telescoping post connected to the support post, where the telescoping post is vertically adjustable; openings along the telescoping post; seat posts, where the seat posts extend vertically from the openings; and a nylon seat attached to each distal end of the seat posts. The telescoping post may include three openings and a seat post extends from each opening. In one particular embodiment, the posts extend at an angle from each opening. The support post may include an adjustment slot. Inherently the portable stool further includes a collapsed position and an extended position.

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: An apparatus comprises a controller for remotely controlling an implantable device that is used to adjust a gastric band, and the controller transmits a telemetric signal to the implantable device. The apparatus further comprises a table that provides support for the controller. A rail is oriented in a first direction with respect to the table, and a tray is slidably coupled to the rail. The tray receives the controller, and the rail moves the tray and the controller in the first direction with respect to the table. The apparatus further comprises a roller coupled to the rail. The roller aids in moving the rail, the tray, and the controller in a second direction with respect to the table. The apparatus further comprises an attachment mechanism for securing the controller to the tray. The apparatus locates the controller in a desired location with respect to a patient.

Abstract: A modular desking system for an open plan office environment provides a variety of highly stable and variously configurable component parts which can be modularly combined with one another to provide a wide variety of desking styles and sizes. The user may decide among many options for linking various desking system assemblies with one another to create a larger desking assembly well suited to various open-plan office spaces.

Abstract: Lifting column preferably for height adjustable tables comprising a guide (5) and a drive unit (9) where the guide (5) comprises at least a first member (5a) and a second member (5b), where the members (5a, 5b, 5c) are arranged mutually telescopically relative to each other. At the end of the first member (5a) which the second member (5b) can be displaced from sliders are arranged on an internal side thereof. At the end of the second member (5b) extending into the first member (5a) sliders are likewise arranged on the outside thereof. In a first plane the sliders have a first, a large, prestressing between the first member (5a) and the second member (5b), while the sliders in the second plane has a second, a small, prestressing between the first (5a) and second member (5b). Thus, a good dampening of vibrations of the table is achieved in case of exposure to horizontal forces.

Abstract: A sliding lock mechanism that utilizes a binding bar to prevent movement of a sliding member on a slide rail in at least one direction. A spring mechanism exerts a biasing force on the binding bar to maintain the locked position. The binding bar can be moved to an unlocking position by overcoming the bias of the spring. This then allows movement of the sliding member in two directions on the slide rail. An actuating rod moves the binding bar between the first and second positions. The mechanism can be added to a stowing mechanism for a laptop or other device that can secure different devices with varying widths within a compartment due to a drive spring mechanism. The addition of the locking mechanism allows for greater security of the laptop during periods of vibration and prevents backdriving of the spring mechanism.

Abstract: A height-adjustable table that includes a table top having first and second ends and two long sides, and at least one table leg at each end, each table leg including a linear actuator with a rectangular motor housing (21) containing an electric motor and a gear. A spindle unit has an upper end is mounted in an opening in the bottom (26) of a rear end of the motor housing and is connected to the gear. Each table leg also includes a telescopic guide (17) with a fixed member (18) and at least one telescopic member (19,20), the telescopic guide surrounding the spindle unit of the actuator and is with one end connected to the bottom (26) of the motor housing (21). The linear actuator is with the motor housing (21) secured to the table top in such a manner that the motor housing (21) with its rear end (22) faces towards a long side (13) and with its front end (23) faces towards the other long side (14) of the table top.

Abstract: A linear actuator is presented, having a drive shaft, a transmission connected to the drive shaft, and a spindle connected to the transmission. The drive shaft, the transmission and the spindle are connected in such a way that a rotational movement of the drive shaft is transmitted to the spindle via the transmission. The linear actuator also has a spindle nut arranged rotationally prevented onto the spindle, and an end stop detection unit for detecting that the spindle nut reaches an end position on the spindle. The end stop detection unit comprises an end stop detection shaft connected to the transmission in such a way that a rotational movement of the spindle is transmitted to the end stop detection shaft such that a rotational movement of the spindle is reflected by a rotational movement of the end stop detection shaft.

Abstract: A height adjustment device for an imaging apparatus includes a driving shaft, first and second moving bodies and a driving device. The driving shaft is configured to rotate in a main body of an imaging apparatus. The driving shaft has first and second spiral grooves defined on a peripheral surface thereof such that the first spiral groove has a first pitch along the driving shaft and a second spiral groove has a second pitch different from the first pitch along the driving shaft. The first moving body has a screw thread engaged with the first spiral groove of the driving shaft. The second moving body has a screw thread engaged with the second spiral groove of the driving shaft The driving device rotates the driving shaft.

Abstract: The invention relates to a portable table that has one supporting leg that can be locked with a protective cage of a propane tank. A plurality of spaced legs, including the lockable leg, supports a tabletop. The legs have telescopically extendable portions and are vertically adjustable.

Abstract: A vertical movement device for an examining table includes a driving wheel, a nut and screw pair and a direction-converting synchronization belt. The driving wheel is disposed on the examining table. The rotation axis of the nut is perpendicular to the rotation axis of the driving wheel, and the nut moves vertically on the screw when the nut rotates so as to carry the examining table to move vertically. The direction-converting synchronization belt converts the rotation of the driving wheel into the rotation of the nut so as to realize the vertical movement of the examining table. The self-locking vertical movement device reduces the noise and manufacturing costs, simplifies the structure, increases the maximum lifting weight and speeds up the lifting/lowering process.

Abstract: Disclosed is an engagement assembly for releasably engaging a rigid member, including a rotating member that releasably engages the rigid member to prevent movement of the rigid member in at least one direction by friction. The rotating member is forced by a biasing element to selectively engage the rigid member, preventing retraction of the leg and inhibiting extension of the leg. A control release interacts with the biasing element, providing a releasable engagement of the rotating member with the rigid member.

Abstract: A strapping machine having a movable working assembly includes comprises a machine body, a chute, and a movable working assembly. This machine body contains a storing space. The chute has an upper chute portion and a lower chute portion. The movable working assembly which is in the storing space includes a horizontal movable portion, a vertical movable portion, a working device, and an operation linkage mechanism. When the vertical movable portion moves to the move-down position, the lower chute portion is separated from the upper chute portion. Then, the movable working assembly can be moved out for easy maintenance. So, it is quick and easy to repair any internal device or part inside the strapping machine. The repairer does not need to stoop or squat down for repairing it. In addition, it saves strength and time to move out the working device or related part.

Abstract: Lifting column, preferably for height adjustable tables, said lifting column comprising at least two relative to each other telescopically arranged members (2a, 2b, 2c). At least one slider (11) is arranged between the two members (2a, 2b, 2c), said slider being secured to one of the members (2b). The problem is play between the members (2a, 2b, 2c), resulting in an unstable lifting column. For solution of this problem the member (2b) to which the slider (11) is secured, is furnished with a resilient section (17) outlined by a groove (16, 18) against which at least a part of the slider (11) rests. The resilient section (17) can push the slider (11) into firm engagement against the two members (2b, 2c), at which a stable lifting column which is free from play is achieved.

Abstract: A medical tray having a telescoping leg that selectively telescopes in to be out of the way so as to enable the medical tray to be placed on a flat supporting surface or stored, or that telescopes out to provide a secure and stable support that places the medical tray contents in an elevated position. The telescoping of the telescoping leg is controlled by a one hand operated, dual action release mechanism.

Abstract: A patient support device for use in patients undergoing spinal or epidural procedures while seated on a standard labor and delivery, operating room or other table or bed is described. An exemplary embodiment of the device includes an upper body support tray and a foot support tray which are independently adjustable along the length of an extendable pole assembly. The pole also connects to a base which provides a stable support and slides under the bulky support bases which are a part of modern hospital beds used in labor and delivery and operating rooms.

Abstract: A portable automated vent cover includes a drive system, a telescoping tube, a vent cover plate and a collapsible mobile tripod. The drive system preferably includes a drive motor, a gear box, an up-relay and a down-relay. The telescoping tube includes an outer support tube, an inner cover tube and a rack gear. The rack gear is attached to the inner cover tube. The vent cover plate is secured to a top of the inner cover tube. The drive motor drives a pinion gear through the gear box. The gear box is retained on the outer support tube. An up-down switch is used to raise and lower the vent cover plate. Electrical power is controlled by either the up-down switch or a controller and sent to the drive motor through either the up-relay or the down-relay. The collapsible mobile tripod is attached to a bottom of the outer support tube.

Abstract: Table, screwed on the floor by a sliding helix telescopic base itself screwed to the table-top in eccentric position, characterized by raising phase, lowering phase and simultaneously twisting of 180 degrees that allows the table-top to reduce the distance from seating during the raising phase and increment the distance during the lowering phase. Table is characterized by the presence of two elements that work at same time: the base and the table-top. The base is composed by two concentric Cylinders, “A Cylinder” and “B Cylinder”. The first Cylinder is screwed on the floor bolts using own flange interface while the “B Cylinder”, screwed on the table-top in eccentric position by bolts using own top flange interface. The table-top is the deck able to support different seating configurations(dining-table and couch-table).

Abstract: An adjusting device having an inner tubular body, an outer tubular body configured to slide concentrically over the inner tubular body such that the inner tubular body and the outer tubular body can slide telescopically from a retracted position to an extended position. An actuator is configured to move the inner tubular body and the outer tubular body along the longitudinal axis in relation to one another and a supporting tube is provided and configured to slide concentrically on the inside of the outer tubular body.

Abstract: A height adjustable table is disclosed wherein all horizontal supports that span between legs have been eliminated to increase storage space and knee space in the area under the table work surface. A unique telescoping leg arrangement is disclosed.

Abstract: Embodiments include a balance mechanism having a first cam and a second cam configured to convert a variable force exerted by the energy storage member into a substantially constant force applied to a mounting portion. The balance mechanism may be useful for balancing forces such that a user can set the height of an electronic display and/or other equipment attached to the balance mechanism at a number of heights within the range of travel allowed by the mechanism. Lift mechanisms, display positioning apparatuses, and height adjustable desks incorporating a multi-cam balance mechanism are also provided. A method of positioning a display is also provided.

Abstract: An adjustable, vertical desk with a horizontal work surface and vertical display surface upon which is attached a computer monitor or other electronic equipment to be viewed, in a range of height positions appropriate to adults of varying heights. The horizontal work surface may also be adjusted to position a keyboard and a mouse at an appropriate hand level for adults of varying heights. The desk allows users to place electronic equipment to heights as needed to suit their stature and by so doing encourages more natural body alignment while in a standing or in a seated position. When the vertical desk is used in combination with a standard treadmill set at low speed, the vertical desk permits mild exercise without work interruption.

Abstract: A medical cart includes a work platform having a work surface and at least one compartment, a base, and a height adjustment mechanism for adjusting the height of the work platform relative to the base. A medication module includes a plurality of compartments. The medical cart can be joined with a medication module. In addition, a plurality of medication modules can be joined to form a train. The medical cart and medication module can be used collectively and individually in a variety of methods for transferring medicine.

Abstract: The invention provides a support assembly for an item of furniture, which has an elongated support structure having a first pair of feet fast with a lower end thereof; a passage defining unit defining a guide passage fast with the support structure and extending lengthwise; a support member displaceable with respect to the support structure which has a second pair of feet at its lower end thereof; the displaceable support member also being provided with a guided pin complementary to and longitudinally slidably engaged in the guide passage, characterised thereby that the passage defining unit has a hollow adjustable guide member whereby the dimension of the passage is adjustable in accordance with the dimension of the pin; and the passage defining unit is fastenable to the support structure once it has been adjusted, such that the passage defining unit may first be adjusted to conform with the guide pin and then be fastened to the support structure.

Abstract: A lifting column comprising two or more telescopically arranged column elements, where each column element comprises at least two column sub-elements arranged symmetrically on either side of a first vertical plane, one set of sub-column elements closer to the plane than the other set of sub-elements, where the outer sub-elements are slidingly connected to adjacent inner sub-elements by means of guiding sledges, and further where each column sub-element comprises at least two pulley wheels, one upper and one lower, and further where one first continuous flexible member runs from an upper pulley wheel of a first sub-element to a lower pulley wheel on an adjacent sub-element, so that the first flexible member runs on the upper or lower pulley wheels of the innermost sub-elements on either side of the vertical plane, and that the flexible member is shortened or lengthened by rolling at least one end of the flexible member around a drive wheel on a rotatable axle of an actuating motor.

Abstract: An ergonomic radiology work station has front and back tables or work platforms that can be raised or lowered electrically to adjust for optimum posture and comfort of the user. Video monitors on the rear platform displays medical images. Interface equipment, e.g., keyboard and mouse, are situated on the front work platform. A pull-out sanitizer hood irradiates the keyboard and other interface devices with ultraviolet radiation after a radiology work session. An interlock arrangement ensures that the work platforms cannot be moved up or down when the hood is pulled out, and ensures that UV lamps in the hood are disabled when the hood is pushed back in to its home or withdrawn position. The hood with slide(s) and interlock(s) may be provided as a kit to retrofit an existing work station.

Abstract: The present invention is related to a desk structure. The desk structure comprises a writing surface, and a book box which is secured to the writing surface. A plurality of receiver sleeves are integrally molded with the book box. Each receiver sleeve has an outer wall and an inner wall. The inner wall of the receiver sleeve has a slot and a plurality of radially spaced ribs. The inner wall defines an opening. The desk structure further comprises a plurality of legs. Each leg has an upper leg portion. The upper leg portion of each leg is received by the inner wall opening of a corresponding receiver sleeve. Additionally, each upper leg portion includes a detent. The detent is adapted to engage a corresponding inner wall slot when the upper leg portion is received by the inner wall opening of the corresponding receiver sleeve. Thus, the detent both secures the leg to the book box and positions the upper leg portion within the opening.

Abstract: An elevating mechanism includes a sleeve having a first end and a second end, and an elevating component installed inside the sleeve and having a third end and a fourth end. When the elevating component is located in a first position relative to the sleeve, a main spring is compressed by the elevating component at a first deformation. When the component is located in a second position relative to the sleeve, the main spring is compressed by the elevating component at a second deformation. The first deformation is greater than the second deformation. When the elevating component is located in the first position relative to the sleeve, a complementary spring is compressed at a third deformation. When the component is located in the second position relative to the sleeve, the complementary spring is compressed at a fourth deformation. The third deformation is greater than the fourth deformation.

Abstract: A telescopic column, in particular for height-adjustable tables, comprises a first member (1) and a second member (2) arranged telescopically relative to each other, wherein the first member (1) is provided with a rack (12) and the second member (2) with a gear wheel (5) in mesh with the rack. Configuring the rack as a plurality of holes (12) in the member (1) allows the column to be made of a thin sheet.

Abstract: Table, screwed on the floor by a sliding helix telescopic base itself screwed to the table-top in eccentric position, characterized by raising phase, lowering phase and simultaneously twisting of 180 degrees that allows the table-top to reduce the distance from seating during the raising phase and increment the distance during the lowering phase. Table is characterized by the presence of two elements that work at same time: the base and the table-top. The base is composed by two concentric Cylinders, “A Cylinder” and “B Cylinder”. The first Cylinder is screwed on the floor bolts using own flange interface while the “B Cylinder”, screwed on the table-top in eccentric position by bolts using own top flange interface. The table-top is the deck able to support different seating configurations (dining-table and couch-table).

Abstract: Overbed table assemblies and table assemblies for use with a patient support surface are presented herein. In one embodiment, the overbed table assembly includes a movable base for supporting the overbed table assembly and a tabletop spaced from the base. A support beam structure interconnects the tabletop and the base. The support beam structure is attached to the base at a point below the upper surface thereof. In other embodiments, one or more elongated glide arms project transversely from the base to abut the ground and thereby provide cantilevered support for the tabletop. Optionally, the glide arm(s) are generally parallel with the ground, and less than approximately one inch high. The base may include an array of wheels, at least three of which are positioned directly under one side of the tabletop. The tabletop may be vertically adjustable, having an adjustable height of approximately 20-40 inches from the ground.

Abstract: The invention relates to a table (1) comprising an up-and-down movable tabletop (2) and operating provisions to move the tabletop (2) up and down, characterized in that the operating provisions are located under the tabletop (2) and that they can be reached by hand. Said operating provisions preferably comprise an operating ring (3) movable against a resilient force.

Abstract: A container holding table comprising a table top having a top planar surface and a bottom planar surface with an opening and at least one height adjustable table leg. The opening is located in the center of the plastic table top and comprises a round through hole sufficiently sized to receive a container. The height adjustable table leg comprises a stainless steel caster. The height adjustable table leg further comprises an inner and an outer tube. The inner and outer tube provide telescoping means allowing adjustment of up to four inches via at least one set of apertures and a push button securing device. The height adjustable table leg is capable of being repeatedly unfolded from a closed position to an open position.

Abstract: A height adjustable table is disclosed wherein all horizontal supports that span between legs have been eliminated to increase storage space and knee space in the area under the table work surface. A unique telescoping leg arrangement is disclosed.

Abstract: Gear, preferably for actuators of the type, where an electric motor (1) through the gear drives an activation element, such as a pivotal arm or a longitudinally movable element, and where the gear has at least two gearing stages. The first stage is constituted by a worm drive with a worm—(11; 13a, 13b) and the subsequent gearing stage is constituted by a crown and bevel wheel (23; 16a, 16b). The crown wheel faces towards the worm drive and has a power take-off (24, 27) in extension of or in all essentials in extension of the worm (11) or parallel thereto. The bevel wheel (16a, 16b) is with its axis of rotation arranged perpendicular in relation to the axis of rotation of the worm (11), and the worm wheel (13a, 13b) is in drive connection with the bevel wheel (16a, 16b) through a gear train (14a, 15a; 14b; 15b). Thus a relatively compact transmission with a high gearing is achieved, and by having worm wheels, toothed gearing and bevel and crown wheels of plastic the transmission is in addition silent.

Abstract: The invention, relates to an adjusting device, comprising an inner tubular body (7), an outer tubular body (6) that can slide concentrically over the inner tubular body so that the inner tubular body and the outer tubular body can slide telescopically from a retracted position to an extended position, an actuator (15) to move the inner tubular body and the outer tubular body along the longitudinal axis in relation to one another and a supporting tube (10) which can slide concentrically on the inside of the outer tubular body.

Abstract: A desk comprising: a writing board, the writing board defining a top surface and a substantially opposed bottom surface; at least three sleeves, each of the at least three sleeves extending substantially away from the bottom surface, each of the at least three sleeves defining a respective free end substantially opposed to the bottom surface; at least three legs, each of the at least three legs being removably insertable into and securable to a respective one of the at least three sleeves; a first one of the at least three sleeves defining a ridge extending substantially longitudinally therefrom at the free end of the first one of the at least three sleeves and a second one of the at least three sleeves defining a recess extending substantially longitudinally thereinto at the free end of the second one of the at least three sleeves, the recess being configured and sized for substantially snugly receiving the ridge.

Abstract: An out-feed roller support stand having a sturdy, stable base that folds for compact storage. A support mast that telescopes into and is adjustable within the base supports a work support head that includes an adjustable cross bar on which a row of pivoting caster wheels are mounted. An alternative embodiment includes a ramp for guiding sagging ends of work-pieces up onto the caster wheels. Both the height and angle between the adjustable cross bar and floor are adjustable after the position of the support mast has been adjusted in order to position the support head in roughly the correct location.

Abstract: The present disclosure discloses an extendable shelf comprising: plastic upper covers, joinable net sheets, clamping pieces, bamboo-shaped pipes, threaded connectors, seamless cone sleeves, and adjusters etc. The extendable shelf may be configured to be extended along a left and right direction, and along an upward and downward direction. The present disclosure provides many advantages such as a simple and compact structure, good stability, high weight-bearing capability, convenience for disassembly and assembly, saving bamboo-shaped pipes, low cost, elegant appearance, and good structural integrity.