Abstract: A device for picking up balls from a court surface comprises: a container having a bottom face which includes a bottom outer frame and a plurality of elongate members forming a door; a plurality of elongate legs having top and bottom ends, wherein each bottom end is integral with the container; and a support frame formed by the top ends and at least one transverse member. The device may be inverted between a first position, in which the device is supported on the court surface by the bottom face, and a second position, in which the device is supported by the support frame, without movement of any parts of the device with respect to each other. In the first position, the bottom face may be pressed against balls on the court surface so as to urge them through openings between the elongate members and into the interior of the container.

Abstract: A ball cart comprising a removable and rotatable ball basket having a plurality of separated chambers that are each able to hold a different kind of ball. Thus, whenever a particular type of ball is desired, a user is able to rotate the basket and lock it in place such that a lid of the chamber that holds balls of that type is accessible to the user. As a result, the user is able to easily select that type of balls desired from the ball cart without sifting through all of the balls in the ball cart.

Abstract: A supporting device includes a support, serving to support a main body of the display unit, formed by injection molding using a transparent material. A display unit includes the supporting device. The display unit includes a main body having a screen and a supporting device to support the main body. The supporting device includes a support connected to the main body and a stand connected to the lower part of the support. The support includes a transparent member formed by injection molding using a transparent material. The transparent member is disposed between the main body and the stand to support the display unit, and is formed by insert injection molding.

Abstract: A mailbox support attaching to a post includes an arm for supporting a mailbox at a given height, an opening for freely allowing the arm to slide over the post, and a tab flexibly extending into the opening and designed to limit movement of the arm relative to the post if the post is disposed within the opening.

Abstract: A mobile clothesline provides mobility and is easy to set up and break down, making it ideal for areas with limited space, for example, while not requiring tools for assembly. The mobile clothesline offers an energy efficient alternative to using an electric or gas dryer. The mobile clothesline includes first and second wheeled bases having a receptacle for holding a retractable clothesline post. The post may include a plurality of arms that may extend outward from the post or may be folded in against the post. A retractable line may extend from the arms on one of the posts to interconnect with a receptacle on the arm on the other post.

Abstract: An extension and retraction arrangement with a sliding door construction for adjusting a monitor from a retracted configuration to an extended configuration. The door is slidable between an open position and a closed position for at least partially closing the aperture in the framework. A pocket door is pivotally coupled to an arm aperture portion in the door, and a flipper door is pivotally coupled to an arm aperture portion in a framework. The flipper door and the pocket door interlock to be retained in closed positions to seal the arm aperture when the extension and retraction arrangement is in a storage configuration. The door is articulated with multiple sections and is guided by drive pins engaged with drive slots and slide pins that slide along guide surfaces of drive path subassemblies.

Abstract: A height adjustable stand comprises a base, a connecting member, a height extender, and a positioning mechanism. The base includes a support member protruding therefrom. The connecting member comprises a first surface and a first end frictionally and rotatably connected to the support member. The height extender is slidably connected to the connecting member and comprises a second surface and an upper connecting end for connecting with a flat panel display device. The positioning mechanism comprises a plurality of recessed portions formed in one of the first surface and the second surface, and a compressed elastic member slidably received in a receiving hole defined in the other one of the first surface and the second surface, one end of the elastic member being biased to be received in one of the plurality of recessed portions to locate the height extender in a desirable position.

Abstract: A mounting mechanism for fixing a computer mainframe includes a retaining base and an article; the retaining base includes a first plate, a second plate and an extensible screw; the retaining base is coupled to the article; the first plate is disposed with at least one hanging tab; the lower end of the first plate is coupled to the second plate, and the hanging tab is positioned above the second plate in order to couple to a computer mainframe with a different width conveniently; the hanging tab may be extended in a hanging hole of the computer mainframe corresponding thereto; a bolt of the extensible screw may be extended out of a hole of the second plate to engage with a screw hole of the computer mainframe corresponding thereto thereby allowing the computer mainframe to be coupled to or detached from the mounting mechanism easily without using tools.

Abstract: An adjustable apparatus includes a bracket, an extendable member, a moving member, and a display supporting mount. The extendable member includes a base portion and a resilient tape portion attached to the base portion. The tape portion is secured to the bracket. The moving member is attached on the base portion. The display supporting mount is secured to the moving member for being secured to a display device, and movable with the moving member.

Abstract: Embodiments of the present invention generally relate to a stackable planter support apparatus and methods of utilizing the same. More specifically, embodiments of the present invention relate to a planter support apparatus adapted for stacking upon the rim of an additional planter. In one embodiment of the present invention, a stackable planter support comprises a horizontal platform for supporting the weight of a first planter, and a plurality of leg supports extending from a bottom surface of the platform, a distal end of each of the leg supports having a notch for receiving the rim of a second planter.

Abstract: A bird feeder that includes a bird feed holder having open top and bottom ends, a plurality of feeding ports disposed in a sidewall defining the holder, a plurality of perches each associated with an inlet of an associated feeding port and a removable base for engaging with the bottom end of the holder, the removable base having a closed position for sealing the bottom end of the holder so as to retain the bird feed therein and an open position in which the base is removed from the holder to enable access to the bottom end of the holder. One embodiment has a manually operated latch member supported by the base and supported for radial engagement so as to enable releasable securing of the removable base to the holder. In another embodiment a manually operated latch couples to a main body portion, the latch being supported for rotation with respect to the main body portion to releasably secure the base assembly to the housing. Also disclosed is a feeder support apparatus.

Abstract: An intravenous (IV) pole system for supporting medical equipment having a base with legs, a mast engaged to the base, and a lifting mechanism including a gas spring engaged to the base and the mast. Each of the legs includes at least one wheel. The lifting mechanism is constructed to position the legs in an extended configuration and a retracted configuration. The lifting mechanism is further constructed to raise the legs and wheels relative to the base and relative to a surface. The lifting mechanism is configured to position the wheels proximate to the mast in the retracted configuration.

Abstract: One embodiment of the present disclosure relates to a radio frequency (RF) device for communicating on a wireless network. The device includes an antenna coupled to an RF circuit. The device further includes a body housing the RF circuit and the antenna. The device yet further includes a support member extending from the body. The support member is configured to be coupled to an object. The support member is prevented from moving laterally and vertically relative to the object when coupled to the object. The support member and body are configured to allow the body and the antenna to rotate about an axis when the support member is prevented from moving laterally and vertically relative to the object.

Abstract: A modular container (2) for a flat display panel (3) has a mounting shelf (55) for the panel and power means (48) for selectively raising and lowering the mounting shelf and vertical channels (108) or geared tracks in the container positioned to receive side edges of the panel and adjustable laterally to accommodate panels of different widths. A modular container for a flat display panel has a mounting shelf for the panel and power means for selectively raising and lowering the mounting shelf and remotely controlled power means (32, 76), for moving said container with respect to a seated or recumbent person.

Abstract: A display including a body and an elevation adjusting base is provided. The elevation adjusting base is secured to the body. The elevation adjusting base includes a base, an elevation adjusting mechanism, an outer bushing, an inner bushing and a friction ring. The elevation adjusting mechanism is connected to the base. The outer bushing is connected to the base and mounted on the elevation adjusting mechanism. The inner bushing is embedded inside the outer bushing. The friction ring is disposed between the outer bushing and the inner bushing. After the elevation of the elevation adjusting mechanism is adjusted, the friction ring provides a friction force between the outer bushing and the inner bushing to fix the elevation of the elevation adjusting mechanism. Users can accurately adjust the elevation of the display panel according to the view-angle and personal preferences.

Abstract: An anesthesia equipment lift which couples to a table to provide an anesthesia equipment mount surface coupled to a lift element which travels from a first location to a second location to position mounted inhalation anesthesia equipment proximate to a patient located on the table surface to perform inhalation anesthesia.

Abstract: An exemplary elevating mechanism used for a flat-panel display monitor includes a support structure, a sliding structure, and a pneumatic cylinder. The support structure includes a pair of guide rails. The sliding structure is mounted to the support structure and is capable of sliding along the guide rails. The pneumatic cylinder includes a cylinder body, a piston shaft, and a first piston. The cylinder body is connected to the support structure. The piston shaft includes a first end received in the cylinder body, and a second end opposite to the first end connected to the sliding structure. The first piston is positioned in the cylinder body and partitions the cylinder body into two chambers. The two chambers are filled with gas. The first piston is fixed to the first end of the piston shaft and defines a through hole for communicating the two chambers.

Abstract: An adjustable support mechanism (30) includes a fixed unit (70), an adjustable suspension unit (80) and a connecting unit (90). The adjustable suspension unit is slidably mounted on the fixed unit. The connecting unit is configured for connecting the fixed unit and the adjustable suspension unit. The connecting unit comprises a first elastic member (96) and an adjusting bracket (94). Opposite ends of the first elastic member are connected to the fixed unit and the adjustable suspension unit correspondingly. The adjusting bracket includes two rotary wheels (942, 945) and a coiling member (944) looped around the rotary wheels. The adjustable suspension unit is fixed to the coiling member. At least one of the rotary wheels is rotatable relative to the fixed unit to coil the coiling member around the rotary wheels, sliding the adjustable suspension unit relative to the fixed unit.

Abstract: An exemplary stand includes a housing (51), a sliding member (52), four connecting subassemblies (58, 59), and a spring (56). The housing (51) has two opposite guiding slots (516). The sliding member is slidably disposed in the housing. Part of each connecting subassembly extends in one corresponding guiding slot of the housing and the sliding member, such as to slidably connect the sliding member to the housing. Each connecting subassembly includes two wheels (584) rotatably received in the guiding slots. One end of the spring is connected to the housing, and the other end of the spring is sleeved on the sliding member or the connecting subassemblies.

Abstract: An exemplary adjustable support mechanism (50) includes a main bracket (51), an adjustable suspension member (52) slidably mounted to the main bracket and an elastic member (53). The main bracket forms at least two guide rails (516) including a first guide rail and a second guide rail disposed opposite to each other. The adjustable suspension member includes two crossed connected suspension frames (524, 525), at least two wheels (522) engaging the guide rails, and at least one stretching member (526, 527). The suspension frames are rotatably connected to each other. The at least two wheels are disposed at ends of the suspension frames. Two ends of each stretching member are connected to the suspension frames correspondingly. The elastic member has two ends fixed relative to the main bracket and the adjustable suspension member correspondingly.

Abstract: An extension and retraction arrangement for retaining a supported article, such as a monitor, in relation to a trolley structure that is retained for axial extension and retraction in relation to an elongate support arrangement. A support arm, which can be unitary, articulated, pivoting, or non-pivoting, can be coupled to the trolley structure. The trolley structure can have a centrally disposed alcove disposed inboard of first and second rail members of the elongate support arrangement. A subsurface enclosure can retain the rail members, and first and second doors can selectively close an aperture in a framework coupled adjacent to an end of the subsurface enclosure. Constant force springs can assist travel of the trolley structure and an arcuate braking member or compressing spring can provide a braking effect to the trolley structure.

Abstract: A holder for a beverage container, for installation in a motor vehicle has a receiver open to a top for insertion of a beverage container, guide unit, a support which is guided by the guide unit so as to be movable back and forth between a lowered position and a raised position, the support in the raised position providing a beverage container inserted into the receiver with a lateral support above the receiver, an unlockable locking device which holds the support in the lowered position, and a locking device which holds the support in the raised position.

Abstract: A paint can stand is provided comprising a basket, an adjustable pole engaged with the basket, and a base configured for removable engagement with the adjustable pole. The adjustable pole has a first and second portion, the first portion having pegs extending outwardly therefrom, and the second portion having a hole dimensionally sized for engaging with the pegs. The base has a collar configured to receive the adjustable pole.

Abstract: The invention relates to a display stand for articles such as cosmetic products. The inventive display stand consists of a vertical board (1) comprising a rear face (4) and a front face (5). According to the invention, the front face is formed at least partially by a plurality of first panels (7) and a plurality of second panels (8) which are inclined in relation to the first panels (7), said first panels (7) being designed to receive the articles (10). Moreover, at least one of the second panels (8) is equipped with a reflective surface (8a) such that an image of the articles positioned on the opposing first panel (7) are visible on the second panel (8) to a person facing the board (1).

Abstract: An extensible monitor support system (20) is provided. The system (20) may include a cabinet (24) made up of a horizontal base (28), a back (30), right and left sides (26), a front (32), and a top (34). Within the cabinet (24) is a lift apparatus (40) made up of an extensible support column (42) formed of telescoping outer, intermediate, and inner sections (44,46,48), a base plate (50) coupled to the cabinet base (28) and the column outer section (44), a pair of opposing bayonet sheaths (60) coupled to the column outer section (44), a primary coupling component (62) coupled to the bayonet sheaths (60) and the cabinet back (30), and a monitor support bracket (72) coupled to the column inner section (48) and the monitor (22). The monitor support bracket (72) is configured to maintain a monitor (22) substantially parallel to the cabinet back (30).

Abstract: The invention relates to a support (1) for rolling cylindrical elements, this support comprising first guide means (2) capable of guiding the cylindrical elements at a height z1. Downstream, in a direction in which the cylindrical elements roll, the said support (1) comprises second guide means capable of guiding the cylindrical elements at a height z2 higher than z1, the friction between the second guide means and the cylindrical elements being lower than the friction between the first guide means (2) and the cylindrical elements.

Abstract: A telescope support stand system for side cutaway view of the present invention in the contracted position. The telescope support stand system includes a base that is permanently secured to a floor, a lower tube attached to the base, an upper tube slidably positioned about the lower tube, an elevating unit within the lower tube for elevating the upper tube, and a support plate attached to the upper tube for mounting a telescope thereto. The outer tube preferably includes a plurality of alignment plates for providing a reduced friction guide surface for sliding about the lower tube.

Abstract: A dispensing system for returnable bulk shipping containers and more particularly to a apparatus and method for selectively emptying the contents of bulk containers which, when emptied, can be returned to the supplier for refilling. The apparatus comprises a hoist having vertical lift capability. A rotator provided on the hoist provides horizontal rotation capability to a container press. A funnel cap is provided with the container press which is configured to replace the cover of the container, thereby retaining any structural integrity afforded by the cover. The funnel cap includes a selectively operable valve. The funnel cap operates in conjunction with a platen which is used to initially support the container in its upright position. The funnel cap and platen are movable away from one another to enable containers to be inserted or removed therefrom. The funnel cap and platen are movable toward one another to enable a container to be engaged and retained therein.

Abstract: Apparatus for screeding concrete and other materials includes a primary support and a secondary support adjustably slidably movable on the primary support to raise or lower an elongated screed guide member. The secondary support includes a receptacle for holding the elongated screed guide member. Surface engaging support structure is provided at the lower end of the apparatus to disperse downwardly directed forces.

Abstract: A display apparatus having a display main body provided with a screen, and a base unit to support the display main body. The display apparatus includes a supporting unit provided between the display main body and the base unit to support the display main body to be lifted up and lowered down, a gearing unit to cooperate with the up and down lifting/lowering of the display main body, and an auxiliary base part ejected from and inserted in the base unit according to an operation of the gearing unit. Thus, the present invention provides a display apparatus in which a size of a base part to support a display main body is optimized according to a height of the display main body.

Abstract: A rise assist apparatus comprising a handrail in the form of a convoluted section attached to a vertical pole, and stabilized by a bed frame attachment member and a floor contacting base frame. Alternatively, the rise assist apparatus may be wall mounted, being stabilized by a system of mounted wall brackets. The rise assist apparatus further includes an upper curved, horizontal leveraging handle, which extends from the pole-like support structure. Specifically, the rise assist apparatus allows the user to build momentum by pushing off the upper hand grip, and allows the user to control the momentum by regaining balance, and readjusting posture, by gripping the lower handrail member. Additionally, the user can use the curved grip with one hand, while simultaneously reaching for the handrail during the rising movement thereby allowing the user to support himself or herself as they rise out of bed.

Abstract: The present invention relates to a tube guide for a column unit, and more particularly to a tube guide for a column unit which can smoothly move a spindle upward and downward by forming a plurality of ribs on the inside surface of the tube guide which guides a spindle which has a multilateral cross-section and which can smoothly accomplish the broaching. The tube guide has a hexagonal inside surface. Two inside ribs are formed on each surface along the axial direction. Since the upward and downward movements of the spindle reduce the contacting area, the frictional force is remarkably reduced and the spindle is smoothly moved upward and downward. Further, only one surface of the inside rib needs to be broached, the broaching area is remarkably reduced.

Abstract: A swinging mailbox support including a vertical member having a horizontal arm disposed thereon wherein a mailbox is affixed to an end portion of the horizontal arm and furthermore the assembly comprises two portions pivotably interconnected and tending to maintain a neutral initial state by the action of gravity. In operation the arm supporting the mailbox is free to rotate about an inclined axis in the event of a collision with a vehicle or other object Because of the inclined axis, rotation causes the mailbox to rise to a higher level above the ground. Once free of the impacting object, gravity restores the mailbox to a service position.

Abstract: A light weight, knockdown, portable lantern and heater stand for use in a collapsible, foldable, portable shelter is described. The support structure of the stand is made from hollow tubular material. An arched shaped planar base is attached to a support pole extending vertically upwards to a right-angled bend continuing with a horizontal support section which terminates with a beam clamp. The beam clamp attaches to the roof beam of the portable shelter. A disassembly means is located near the middle of the vertical support. A vertical adjustment means is slidably located in the vertical support, and a horizontal adjustment means is slidably located in the horizontal support. A heater support bracket is attached to the vertical support and a lantern support loop is attached to the horizontal support. A double ended article hook and a heater safety chain is attached to the vertical support. The assembled stand will support a lantern and a heater plus additional items above the floor.

Abstract: The holder for a drinks container includes a holding arm (16) movable from an initial position into a holding position and formed to hold the drinks container around a circumference of the drinks container, a cover (14) movable from a closed position into an open position and a locking device (32,38) for locking the holding arm (16) in the initial position and for unlocking the holding arm (16) when the cover is moved into the open position. In a preferred embodiment the locking device (32,38) includes a slider member (32), a device for displacing the slider member (32) from a first position to a second position when the cover (14) is opened and a detent lug (38) provided on the holding arm (16) that locks the slider member (32) when the holding arm (16) is in the initial position and that unlocks the slider member (32) when the slider member (32) is displaced from the first position to the second position.

Abstract: An apparatus for adjusting a minimum liquid level in a liquid supply bottle that utilizes a novel height adjustment means and a method for utilizing such apparatus are provided. In the apparatus, a height adjustment means that is positioned on a base frame of a bottle station for supporting a liquid supply bottle is used. The height adjustment means includes two sliding blocks each having a right-angled triangular cross-section slidingly engaging each other on their hypotenuses. The two sliding blocks may be driven by two screws each threadingly engaging one of the side frames for pushing (or pulling) the sliding blocks toward (or away from) each other such that an elevation of the bottle can be increased (or decreased). The present invention novel apparatus further utilizes a bottle clamp which frictionally engaging the liquid supply bottle and hold it in place while allowing the bottle be moved up and down by slidingly engaging a vertical arm of the clamp with a side frame on the bottle station.

Abstract: An adjustable roll and support mechanism for elongate objects having a round cross-sectional configuration has a support base having a pair of parallel upright tubular members having rigid or collapsible support legs. Elevation posts are positioned in movable telescoping relation within respective tubular members and support a roll positioning head having an internal roll positioning mechanism. A pair of roll assemblies are movably supported on the roll positioning head and have driven relation by the roll positioning mechanism and are moved toward one another or away from one another for selective positioning of the roll assemblies for rotatable support of round objects of differing dimension. The roll assemblies are connected to the roll positioning mechanism by quick disconnect mechanisms to permit the roll assemblies to be changed out to accommodate rotatable support of different types of objects.

Abstract: A tree or pole stand is disclosed. The stand or support includes an outer container, an inner container receivable by the outer container and a plurality of braces connected to the outer container. The support may be placed in a decorative container such that the braces abut the inner wall of the decorative container.

Abstract: To improve embroidery precision by preventing the front end of an embroidery frame from being pulled down by the weight of cloth workpiece, the embroidery sewing machine comprises: at least one cylindrical bed disposed on the upper portion of a machine frame; a table disposed on the upper portion of the machine frame and divided into a fixed table and an up-and-down table; a mechanism for supporting the up-and-down table vertically movably at an upward position roughly flush with the cylindrical bed and at least two downward positions of different height; and a mechanism for holding the up-and-down table at the upward position and the at least two downward positions, respectively.

Abstract: A tennis ball retriever and multi-purpose tennis ball hopper and caddy that holds all of the tennis equipment used during play and practice. The retriever utilizes a container portion incorporating a bottom of transverse rods which are slightly resilient and incorporates a telescoping handle structure used in ball retrieval and as a support stand for the ball container portion. The hopper has side walls that open for easy access to the container.

Abstract: A small livestock head restraint device is provided which can be temporarily secured to a fence for field use in securely capturing the head of a small animal. The small livestock head restraint device includes a vertical support member typically positioned adjacent to fence railings or a cylindrical pole, and a pair of clamps which can be tightened about the railings or pole to securely fix the support member to the fencing. A slider bracket is attached to the support member, and a mounting shaft, having fixed thereto a headrest arm and the animal headrest, is movable vertically within the slider bracket to adjust the height of the animal headrest after the device has been secured to the fencing. In one preferred form, a pair of rail clamps are adjustably fixed to the support member for engaging generally horizontal fence rails. In another preferred form, a pair of pole clamps are attached to the mounting shaft and pivot to grasp a generally vertical pole therebetween.

Abstract: A ball retrieving and storage cart generally comprises a wheeled carriage that rollingly supports a basket in a ball retrieving position. In an exemplary embodiment, the basket has a front end and a rear end and includes a bottom wall having two side members oriented front to rear and having a normal position spaced apart less than the ball diameter and defining a slotted aperture for entrance of a ball into the basket. In the ball retrieval position, at least one of the side members is a slanted member having a front end higher from the ground than a ball radius and a rear end lower to the ground than the ball radius. At least one of the side members is a deflectable member and is biased to the normal position but is sideways deflectable such that a ball on the ground entering the aperture sideways deflects the deflectable member sufficiently for the ball to pass into the basket. The wheels may define a rolling plane.

Abstract: A derrick for raising and lowering a cargo container which comprises a tri-pod structure having a pulley within its apex for engaging and lifting and lowering the load. The tri-pod structure has a roller for engaging the load at the top or apex of the derrick with a hook for engaging the cargo container at its base. The hook includes a pair of shoes one for engaging the outside surface of the cargo container and a second one for engaging the inside surface of the cargo container at the area of hook contact with the cargo container.

Abstract: A concrete screed rail support apparatus which includes a saddle having a channel with open ends and an open top for accommodating a screed rail, and a pair of arms each connected at its proximal end portion to the saddle. Each arm extends outwardly from the saddle and connects to a leg at the distal end portion. Each leg extends toward the concrete pour surface, and the length of each leg between the pour surface and its connection to the distal end portion of the arms is adjustable. Locking mechanisms are provided to fix the position of the legs once adjusted and to lock the screed rail to the saddle. Pads can be used between the pour surface and the legs for stability and to prevent damage to vapor barriers or waterproofing membranes.

Abstract: A telescoping steering column includes a plurality of telescoping segments with adjacent segments axially offset from each other. Spacers maintain the segments in position. Cable and pulley systems on each of the segments, except the innermost segment, interconnect the segments and cause them to uniformly extend and retract as the column is raised or lowered. The pulleys protrude through the segment walls. Pulleys on adjacent segments are oriented on opposite sides of the column, to provide a compact column which operates smoothly and quietly.

Abstract: A portable stand supports and positions an inverted power drill relative to an overlying workpiece. The power drill is adjustably positionable both vertically and angularly with respect to the workpiece.

Abstract: A mobile painter's service cart having an upper frame and a lower frame interconnected by parallel scissors-type linkages. The linkages on opposite sides of the cart are connected by transverse axles and a latching arm engages one of the axles to latch the linkage in adjusted position. The upper frame has a paint tray which can be covered by a pivoted cover having opposite support surfaces. A reversible hinge is provided to enable the cover to be reversed on the tray.

Abstract: A device for the collection of waste oil and other liquids including a closeable receptacle and a support. The receptacle is positioned for vertical height adjustment with respect to the support by means of a downwardly extending open-ended boss in telescopic receipt of a post upwardly extending from the support. Stop means are included on the boss such that the positioning of the receptacle may be achieved by one hand of the user while leaving the user free with his or her other hand. Such above action is additionally facilitated by an inwardly extending recess in the side walls of the support.

Abstract: A dosing appliance with a suction tube introduceable into a dosing-medium vessel is provided, and by way of this dosing-medium vessels of different shapes can be used. For this purpose, the dosing appliance has a supporting device which carries the dosing-medium vessel and is displaceable for the purpose of exchanging the dosing-medium vessel.

Abstract: An intravenous (IV) pole system for supporting medical equipment having a base with legs, a mast engaged to the base, and a lifting mechanism including a gas spring engaged to the base and the mast. Each of the legs includes at least one wheel. The lifting mechanism is constructed to position the legs in an extended configuration and a retracted configuration. The lifting mechanism is further constructed to raise the legs and wheels relative to the base and relative to a surface. The lifting mechanism is configured to position the wheels proximate to the mast in the retracted configuration.