Abstract: A furniture pillar includes an upright tube and a guide bushing which is inserted into one end of the upright tube and has an inner circumferential surface which is a guide for a supporting tube of the furniture pillar. The guide bushing has a radially inner guide tube, the tube passage of which forms a guide. An annular insertion region extends radially outwards on an end region of the guide tube and is inserted with its outer circumferential surface into the upright tube. A plurality of circumferentially spaced ribs of the guide bushing adjoin the annular insertion region axially, and extend radially outwards from the guide tube to outer end surfaces which bear against the inner wall of the upright tube, forming open chambers between them towards the side facing away from the annular insertion region. The upright tube has a color coating which completely covers its outer circumferential surface. Continuous openings pass from the chambers through the guide tube to the interior of the guide tube.

Abstract: A telescopic tube has an outer tube having a notched post securely mounted inside the outer tube, an inner tube selectively and movably received in the outer tube, a seat securely connected to a distal end of the inner tube and having a spring extendably received in the seat and a connector detachably connected to a distal end of the seat to adapt to connect to a musical device, a handle pivotally connected to the seat to force the spring to extend, and a securing device securely connected to a distal end of the spring and being movable relative to the inner tube to selectively clamp the notched post. A relative position of the inner tube to the outer tube is able to be adjusted by the pivotal movement of the handle.

Abstract: A stool includes a base and a post extending from a top of the base with a seat pivotably connected to a top of the post. A foot rest has a collar through the post extends and a recess is defined in an inner periphery of the collar. A cam member is received in the recess and a lever is connected to the cam member. A fastening member is received in the collar and mounted to the post. The cam member urges against an outside of the fastening member by operating the lever.

Abstract: A telescoping leg particularly adapted for use in supporting geomatic equipment is capable of locking in different selected positions of extension. A lock is provided for holding the leg at the selected position of extension. The lock is biased to a lock position, but is capable of being moved and retained in an unlock position by operation of a single thumb on one hand so that locking and unlocking the leg for telescoping movement occupies only one hand.

Abstract: A vertically adjustable pedestal for a boat accessory such as a table or seat is made up of a pair of telescoped tubular members having opposite facing lengthwise recesses which contain rods to allow one member to adjustably slide with respect to the other yet preventing rotation. A releasable locking device holds the adjusted member at its desired elevation.

Abstract: A microphone stand or stand for supporting an object includes a first and a second support telescopically secured together. The second support is attached to a base and the first support is securable to a microphone or other object. A release mechanism for securing together or permitting telescopic movement of the first and second supports includes a spring positioned between two pins. The pins are positioned at an angular disposition with respect to the first and second supports for retaining the first support in a desired position. Compression of the pins toward one another allows slidable movement of the first support within the second support for adjusting the position of the object. A release of the pins allows the spring to push the pins back apart and into the angular position for holding the object at the desired height.

Abstract: A device for releasably holding a baby accessory, such as a baby bottle, includes a flexible arm having a clamp attached to one end thereof for engagement with an existing object. A magnetic or metal member is attached to the arm generally opposite the clamp for magnetically coupling with a magnetic or metal member associated with the baby bottle or accessory. The magnetic or metal member may be fixed to the baby accessory, or fixed to a support configured to removably hold the baby accessory therein. The magnetic coupling withstands most common usage, while being easily broken by the infant to avoid choking.

Abstract: A cable tray stand for supporting a cable tray is provided. The cable tray is for supporting at least one cable. The cable tray stand has a height adjustable first member, a support member attached to an upper end of the first member, and a base attached to a lower end of the first member. The support member is adapted to support the cable tray such that the cable tray is supported at a second vertical position above a first vertical position at which the base is located, and the first member is collapsible to a transport height.

Abstract: A flow meter strut assembly includes a strut portion having a first end plate, a second end plate, a longitudinally adjustable flow meter support structure between.the first and second end plates, and curved mounting surfaces formed on outer surfaces of each of the first and second end plates of the strut portion. At least one flow meter is adjustably mounted on the flow meter support structure. The flow meter support structure is adjustable longitudinally by a turnbuckle assembly connected between the flow meter support structure and the second end plate.

Abstract: A flagstaff holder is provided for removable attachment to a vehicle through use of a standard trailer hitch coupling. The flagstaff holder is mounted at the distal end of an adjustable length vertical support which may be raised to provide flag visibility or lowered to a storage position. Illumination means for the flag or banner is provided. A hitch ball may also be provided so that the standard trailer hitch coupling can be used without removal of the flag or the flagstaff holder.

Abstract: A height adjustment mechanism for a chair that enables a height of a chair seat relative to a chair base to be adjusted electrically in a cost effective and reliable manner is described. The height adjustment mechanism includes an electric motor, an upper enclosure member, a lower enclosure member, and a limit switch. The lower enclosure member is coupled to the upper enclosure member, and the electric motor is coupled to at least one of the upper and lower enclosure members to telescopically move at least one of the upper and lower enclosure members relative to the remaining enclosure member. The limit switch is electrically coupled to the electric motor to limit an amount of telescopic movement of at least one of the upper and lower enclosure members.

Abstract: A landing gear leg adapted for mounting to a vehicle has an outer member, and a middle member telescoped slidably into the outer member. The middle member has a first end and a second end. The first end extends beyond the outer member. An inner member telescoped slidably into the middle member has a first end positioned within the outer member and a second end extending beyond the outer member. A locking mechanism locks the middle member in a fixed relationship with the inner member, and a drive mechanism slidably drives the inner member in relationship with the outer member from a retracted position to an extended position. A rack and pinion drive may be used to slidably move the leg between an extended and retracted position providing a simplified drive mechanism.

Abstract: An elevating device includes a casing with an upper opening defined to allow the upper tube to extend into the casing and a lower opening defined to communicate with the upper opening and allow the lower tube to extend into the casing, a worm gear rotatably received in the casing to mesh the rack of the upper tube, and a worm shaft extending into the casing to mesh the worm gear so as to drive the movement of the upper tube relative to the lower tube.

Abstract: A microphone stand assembly includes an automatically operated anti-rotation arrangement for preventing inadvertent disengagement of the shaft from the base.

Abstract: An adjustable support for a microphone, lights, etc. includes a pair of elongated tubes in telescopic relationship and an engager carried by the inner tube for releasably engaging the interior surface of the outer tube. The engager includes an elongated wedge member vertically movable between locking and unlocking positions and a plurality of substantially rigid ball bearings dimensioned to releasably engage the interior surface of the outer tube against relative longitudinal movement of the tubes in a given direction when the wedge member is in the locking position and to enable such relative longitudinal movement of the tubes in the given direction when the wedge member is in the unlocking position.

Abstract: An accessory mount for removably securing an accessory to an extendable shaft, such as a music stand shaft The extendable shaft includes a stationary shaft and a telescoping shaft. The accessory mount includes a sleeve with a longitudinal opening, the sleeve being receivable on the extendable shaft. A collar provided proximate the upper edge of the interior surface of the sleeve supports the accessory mount on the stationary shaft of the extendable shaft, and prevents the accessory mount from sliding down the extendable shaft. An accessory attachment point on the sleeve is adapted to receive a variety of accessories. The accessories can include string instrument holders, mute holders, accessory trays and the like, which can be interchangeably mountable on the sleeve. The accessory mount is quickly and easily installed on an extendable shaft, and can be installed without tools or adjustments.

Abstract: A stand for holding hair stylist tools with an adjustable height work table and a power strip on the upper end of the support column. An electrical power supply cord extends from the power strip through the hollow support column.

Abstract: An ergonomic device actuator has a housing and a nut disposed to rotate within the housing. The nut has right handed threads at a first end and left handed threads at a second end. A first lead screw has right handed threads and is extendingly engaged with the first end of the nut. A second lead screw has left handed threads and is engaged with the second end of the nut to extend in the opposite direction from the first lead screw. A seat in the first lead screw is adapted to anchor a tension cable wire end axially with the lead screws and a collar on the second lead screw is adapted to anchor a tension cable sleeve end axially with the lead screws. Thereby, rotation of the nut drives the first lead screw and the second lead screw apart, tensioning the tension cable by urging the tension cable wire end apart from the tension cable sleeve end, and actuating an attached ergonomic device.

Abstract: A camera pedestal has a column attachable to a base. The base includes a base plate, side plates and a cover. The base and side plates are flat and are bolted together to facilitate manufacture. A cable guard system on the base has separate guard plates which can be independently shifted up and down quickly and easily by hand. A drag assembly sets a holding force on the guard plates. The guard plates have greater ground clearance at the ends away from the corners of the pedestal, to avoid contact with high points on an undulating or uneven ground surface.

Abstract: An office chair includes a frame having a tube with a tapered inner periphery and a plurality of legs extend from the tube. A C-shaped sleeve is movably received in the tube and has a tapered outer periphery. The sleeve has a threaded inner periphery so as to be threadedly engaged with a seat post. Two notches are defined in the tapered outer periphery of the sleeve so that two pins extend through the tube and are engaged with the two notches to restrict the sleeve from being rotated. The sleeve is firmly clamp the seat post when a load is applied downward the seat post. When lifting the seat post, the sleeve is raised and loosened so that the seat post is adjustable.

Abstract: A crutch constructed of two adjacently located, elongated, parallel upper and lower bows which can be moved in relationship to each other to form a vertical support of readily varied length. These bows have the same design and are therefore interchangeable, significantly reducing inventory requirements. Each bow has a series of parallel horizontal notches with the bows positioned so that the notches on each bow are on contacting surfaces. A pin inserted into parallel, adjacent notches on the two bows in cooperation with two or more collars or caps on the ends of one end of each bow fixes the relationship between the shafts which, in turn, defines the length of the vertical support. A similar concept can be used to lock a moveable centrally located lower bow between two parallel outer upper bows. This assemble provides a strong, adjustable length crutch for any height patient using only two different pairs of bow lengths.

Abstract: A foot stand structure of an adjustable computer desk, more especially, a foot stand structure of an adjustable computer capable of performing high efficient adjustment for desk body such as those used for placing the computer on it during operations. The structure not only efficiently and precisely adjusts that height of the computer desk, but also surpasses the inconvenience caused by the disassembly of the foot stand of the prior computer desk for adjusting the height. The structure includes adjusting frame seats, a link shaft rod, a set of inner rods with helical teeth and matching threaded bushes, a set of smooth inner rods and bushes, a foot stand and an external rotating handle bar.

Abstract: The present invention relates to an improved tube rack with telescoping function, more especially a structure that can be adjusted according to a desired length or height. The structure includes an outer sleeve, a threaded sleeve, an inner link, a telescopic shaft link with a fitting spring and a retaining seat. Through the motion of the retaining seat and the telescopic shaft link fitted with the spring, the present invention can be adjusted more efficiently to the user's satisfactory degree.

Abstract: An adjustable drywall support apparatus for holding a gypsum wallboard in place as it is being installed at ceiling level. The adjustable drywall support apparatus includes a support assembly including an elongate tubular member and a shaft member being telescopingly disposed in the elongate tubular member; and also includes a cross member assembly including a tubular main cross member being securely attached to the support assembly and being adapted to engage and support a drywall.

Abstract: A length-adjustable column for chairs or the like comprises an upright tube with a longitudinal axis and a piston-and-cylinder unit radially supported and displaceably guided in the direction of the longitudinal axis. A lengthwise end of the piston-and-cylinder unit is locked by an axial bearing on a base plate of the upright tube in the axial direction. For this purpose, the axial bearing is axially fixed to the lengthwise end of the piston-and-cylinder unit. The axial bearing has at least two locking arms which lock it to the base plate of the upright tube, and a securing bolt which is pushed by the piston-and-cylinder unit between the locking arms to secure the locking.

Abstract: The present invention is a height adjustable pedestal having a gas spring which is easily separated from a furniture component support. The height adjustable pedestal of the present invention can be used in chairs and table. The present invention also provides a method of releasing the tapered upper section of the gas spring from the socket in which it is retained. The method involves no impact forces. The pry lever can be used to apply a force directly on the top of the gas spring cylinder. The invention allows the gas spring to be released simply without the possibility of damage to the gas spring, or other chair component.

Abstract: A demountable indoor/outdoor arena seating system includes a plurality of seat groups in seating modules. The seat group modules are supported by a plurality of floor board deck members of joined planks, wherein the deck members have attachment extensions attachable to the seat group modules. The deck members are supported by inner struts insertable in outer hollow struts. The inner struts are grooved to accommodate the heads of shortened locking bolts having spring loaded cam rings to lock the bolts in place.

Abstract: An engaging structure of a support plate and an outer tub which fixes a piston rod. The outer tub and the support plate are firmly fixed by the simple bending and curling. First pieces and second pieces are formed by minutely cutting the surface of a lower end of the outer tub in a same axis as the outer tub. The first pieces are bent by rolling the first pieces towards the inner side of the outer tub. A support plate is positioned on the bent first piece. The second pieces are fixed by curling the first pieces towards the support plate.

Abstract: A longitudinally adjustable leg assembly, comprising a holder (9, 12) which is adapted to be fixed to the underside of a table top (1); first and second elongate carrier elements (2, 3) which are directed away from the holder (9, 12) and cooperate by threaded engagement. The first carrier element (2) is mounted rotatably but axially immovably in the holder (9, 12) and one (2; 3) of the first and second carrier elements (2, 3) having an external thread and the other (3; 2) of the first and second carrier elements (2, 3) being a tube having an internal thread portion at one end in threaded engagement with the external thread. An electric motor is arranged for rotating the first carrier element (2). A device is arranged for interrupting the current to the motor when the leg assembly is in a limit position of maximum or minimum length.

Abstract: A seat support for supporting a vehicle seat outside the vehicle has a base frame adapted for engagement with a support surface outside the vehicle, a support frame configured to engage with and support the vehicle seat, and a plurality of legs connecting the base frame to the support frame. The legs are vertically adjustable in order to vertically adjust the support frame relative to the base frame.

Abstract: The present invention relates to an engaging structure of a support plate and an outer tub which fixes a piston rod. The outer tub and the support plate are firmly fixed by the simple bending and curling. First pieces and second pieces are formed by minutely cutting the surfac3e of a lower end of the outer tub in a same axis as the outer tub. The first pieces are bent by rolling the first pieces towards the inner side of the outer tub. A support plate is positioned on the bent first piece. The second pieces are fixed by curling the first pieces towards the support plate.

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: An adjustable support pole for double pane windows including a tubular lower segment. A tubular center segment is provided having an open upper end and an open lower end. The open lower end adjustably receives the lower segment therein. A tubular upper segment is adjustably received within the open upper end of the center segment. An upper end of the upper segment has a horizontal support secured thereto. The horizontal support is positionable under an inner window pane of the double window pane when the inner window pane is disposed in a horizontal orientation.

Abstract: The invention relates to a device comprising a substantially tubular inner part (10) and a fluid-impermeable piston (4) stored therein. The base (41) of the piston (4) and a seal (70) form a unit.

Abstract: A collapsible seat having a human support position when in an assembled condition and a transportable condition. The collapsible seat includes a seating member and a base member that are both substantially identical wherein the seat member and the base member are removably interengaged by a telescopic pedestal. When in the assembled condition, the pedestal is in at least one extended position and a top end of the pedestal is rigidly connected to the seat member while the bottom end of the pedestal is rigidly connected to the base member. When in the transportable condition, the pedestal is in a retracted position and is separate from the seat member and the base member and can be stored between the seat member and the base member.

Abstract: A height adjustment mechanism is mounted under a chair or table. The mechanism comprises an adjustment lever extended from the top; a support tube having a longitudinal hole with a predetermined cross-section; a sliding tube with the predetermined cross-section and having an upper end coupled to the end of the lever, a lower end slidingly received in the longitudinal hole of the support tube, a longitudinal hole, and an aperture on the surface; a bar slidingly received in the sliding tube; and a sleeve having a spring depressible detent on the surface and a longitudinal slit such that the sleeve sandwiched between the bar and the sliding tube is flexible for providing a buffering; wherein the lever is operable to cause the spring depressible detent to fall into the aperture without turning chair or table while adjusting the height thereof.

Abstract: The invention herein relates to a foot stand structure of an adjustable computer desk, more especially, a foot stand structure of an adjustable computer capable of performing high efficient adjustment for desk body such as those used for placing the computer on it during operation; the structure not only efficiently and precisely adjusts the height of the computer desk, but also surpasses the inconvenience caused by the necessary disassembly of the foot stand of the prior computer desk for adjusting the height; the entire structure of the invention herein comprises of the adjusting frame seats, a link shaft rod, a set of inner rods with helical teeth and the matching threaded bushes, a set of smooth inner rods and bushes, a foot stand and an external rotating handle bar; furthermore, through the movement of the adjusting frame seats, the invention herein can efficiently adjust the foot stand of the computer desk, the computer desk as well as the computer to a satisfactory height for the user to achieve the ef

Abstract: A retaining device for a telescopic music stand has a housing adapted to be secured to the outer tube and having a passage with a step so as to receive the inner tube and outer tube respectively in the passage. A holding arm is pivotally connected to an inner face of the housing and has an inner face configured to mate with an outer periphery of the inner tube. A spring is abutted between the inner face of the housing and the holding arm to force the holding arm toward the passage so that the inner face of the holding arm is able to abut the outer face of the inner tube to hold the inner tube in place relative to the outer tube.

Abstract: A base enables the elevation of a panel to be selectively adjusted. The base includes a fixed flap, a supporting flap assembly and a hinge. The fixed flap is attached to the backside of the panel. The supporting flap assembly supports the panel. The hinge connects the fixed flap and the supporting flap assembly. The supporting flap assembly includes a top flap and a fan-wheel. The top flap has a protrusion on a surface thereof, and the fan-wheel has a plurality of recesses that are positioned to selectively engage the protrusion. The fan-wheel is connected to the top flap by a pivot that enables the fan-wheel to turn with respect to the top flap. The hinge enables the fixed flap and the supporting flap assembly to turn around the shaft of the hinge to position the supporting flap assembly with respect to the fixed flap. The elevation of the base can be adjusted by changing the extent to which the fan-wheel is turned with respect to the top flap.

Abstract: A retractable upright pole for a tent has multiple tubes receivable in one another and each tube having a ball-spring combination and multiple bores defined to correspond to the ball-spring combination of another tube to secure the connection between two adjacent tubes. The upright pole further has a chain-spring combination inside the tube to be in combination with the ball-spring combination to secure the connection between two adjacent tubes.

Abstract: A spindle base which constitutes a height regulating device of a chair, and it is an object of the present invention to improve the corrosion resistance, the abrasion resistance, the fatigue strength, and the reverse bending stress of the spindle body by coating a nitration layer of a predetermined thickness on the inner and outer surfaces of the spindle base. A height regulating device gas comprises a spindle base, a cylinder formed in the spindle base, a piston slidably moved in the cylinder, and a spindle having a piston rod having one end connected to the piston. The other end of the piston rod is fixed to one end of an outer case and the spindle is moved upward and downward through the outer case based on the piston rod and the outer case. The spindle base is comprised of a metal and nitration layers are formed on the inner and outer surface of the metal.

Abstract: In order to make it easier to mount for instance playground equipment comprising a tube construction which is anchored to a base the subject invention offers a simplification by incorporating a means to facilitate the longitudinal adjustment of the grooves in relation to the base.

Abstract: A computer that includes a computer base a display and an articulated mechanism formed as modules with mating mechanical connectors. The mating mechanical connectors enable the computer base to be configured with the display either directly or indirectly via the articulated mechanism. The articulated mechanism configuration enables the display to be rotatable about the bottom edge of the display at any of a plurality of viewing angles and also to be oriented above the computer base in a plurality of positions. Preferably, a stabilizer mechanism stabilizes and locks the articulated mechanism to selected angular positions.

Abstract: A height adjustable table that has a base and a table top. A support is attached to the tabletop where the support selectively engages the base solely via friction so that the tabletop is prevented from moving relative to the base.

Abstract: The present invention is directed to a device that supports an individual's spine while the individual is in a forward bent position. The device includes a padded rest on which an individual could lean while working in a forward bent position and brackets for adjusting the angle, height, and position of the device. Since the individual leans against the rest, the stresses experienced in the lower, middle and upper back are substantially decreased. Reducing such stress decreases the pain experienced by the individual as well as extends his or her productive life.

Abstract: The present invention relates to a column unit which connects a chair sheet to a base in which a wheel is installed. The present invention provides a column unit which comprises a base tube having a lower end portion vertically fixed to a base of a chair and having the hollow interior; a spindle having the interior filled with a pressure gas and divided to upper and lower chambers by a piston, an upper end portion of a piston rod being connected to the piston, a lower end portion of the piston rod being rotatably installed at the lower end portion of the inner side of the base tube, the upper and lower chambers are communicated by a bypass, a valve being installed at the bypass; and a guide sleeve installed between the base tube and the spindle and engaged with the spindle to be integrally moved upward and downward together with the spindle.

Abstract: An equipment support stand for mounting and positioning photographic, motion picture and video accessories and the like. A riser comprising a plurality of telescoping shafts is coupled to lower, center and upper support legs which, when activated, will position the riser vertically relative to the mounting surface. Each support leg is integral with a respective positioning sleeve, the center and upper positioning sleeves being rotatably coupled about the lower end of the riser. Each positioning sleeve includes at least one engagement surface which is adapted to interface with the adjacent positioning sleeve or sleeves. When engaged, each of the three support legs are angularly spaced from adjacent support legs by 120° of arc. The center positioning sleeve may be secured to the riser in the engaged position. In the closed state, the center and upper support legs may be rotated about the riser and be placed in a co-planar relationship with the lower support leg to facilitate storage and transport.

Abstract: A support stand includes a locking unit for adjusting its height and a support unit for angular adjustment in a horizontal plane. The locking unit includes a center bar fixed to the lower end of an outer pipe, a mesh sleeve unit having a mesh sleeve, upper and lower sliding bushes respectively connected to the mesh sleeve, a coil spring arranged between the upper and lower sliding bushes, a spacer sleeve arranged above the upper sliding bush and loosely fitted on the center bar and in the inner pipe whose lower end is fixed to the lower sliding bush, and an actuator sleeve provided around the inner pipe and connected to the inner pipe in a manner movable with the aid of a cross pin passing through axially elongated apertures formed in the inner pipe.

Abstract: A guitar stand has a first leg, a second leg, a first bracket disposed on the first leg, a second bracket disposed on the second leg, a third leg, a connecting seat connected to the first leg, the second leg, and the third leg, a connector surrounding an upper end of the third leg, a tube inserted through the collar and inserted in the third leg, and a foldable support frame disposed on the tube. The foldable support frame has a support block and a fastening device.

Abstract: An adjustable length column for chairs and tables comprises an upright tube and a pneumatic or hydropneumatic length adjusting element, which is disposed therein concentrically of a common central longitudinal axis. The housing of the element has an outer surface, which is guided for displacement in the direction of the axis and radially supported in a guide bush which is disposed in the upright tube. The outer surface of the housing is unpolished, shot peened and has a browned layer.