Abstract: A display device includes: a display-device main unit having a display screen on the front; a standing pole; a first support member having mounting holes arranged vertically with a predetermined pitch and fixed to the pole; and a second support member having threaded holes arranged vertically with the same pitch as the predetermined pitch and fewer than the mounting holes. The second support member is fixed to the back of the display-device main unit. One of the first support member and the second support member has an engaging hole, and the other has projections arranged vertically with the same pitch as the predetermined pitch and each capable of being inserted into the engaging hole. According to a projection that is one of the projections and inserted into the engaging hole, mounting holes among the mounting holes and as many as the threaded holes are connected to the threaded holes, respectively.

Abstract: The invention relates to a support structure (4) for a stationary photovoltaic system (1), comprising a support part (30) which comprises securing points for a flat photovoltaic unit (2) and at least one drive device (31) for the driven adjustment of the support part (30) and at least one single-axis adjusting device (32) which can adjust a photovoltaic unit (2), secured to the support part (30), in azimuth (a) and elevation (h) about an adjustable axis (V1) between a setup position (35) and an end position (36). The projection of the surface normals (n) of the photovoltaic-unit (2) on the horizontal plane in the setup position (35) defines a setup axis (E) and the projection of the adjusting axis (V1) on the horizontal plane defines a projected adjusting axis (P1), the projected adjusting axis (P1) to the setup axis (E) forming an angle (EP1) in the region of more than 5 degrees and less than 80 degrees, preferably in the region of more than 10 degrees and less than 60 degrees.

Abstract: The present invention relates to a broadband monitoring camera and comprises: a main camera; a plurality of auxiliary cameras which are installed around the main camera to photograph a blind spot which is not photographed by the main camera; a rotational mount for providing a loading space in which the main camera can be rotated in an upper direction, a lower direction, a left direction, and a right direction; a loading mount for preparing a loading space on which the rotational mount can be loaded; auxiliary brackets which are coupled with the rotational mount to prepare a coupling space on which the auxiliary cameras can be loaded; and auxiliary camera supporters coupled with the auxiliary brackets on which the auxiliary cameras are loaded. The auxiliary camera supporters are characterized by enabling the auxiliary cameras to be rotated in the upper direction, the lower direction, the left direction, and the right direction and maintaining a fixed state thereof in a particular position.

Abstract: A support stand includes a support body, a connecting member, a fastening assembly. The support body defines an assembling hole. The connecting member is received in the assembling hole of the support body, and defines an engaging hole. The fastening assembly is positioned on the support body. The fastening assembly includes a follower. The follower has a positioning pole. The follower is movably connected to the support body, so that the positioning pole is capable of engaging/disengaging in the engaging hole of the connecting member.

Abstract: A holding apparatus has a main body, a longitudinal clamping member, and second and third clamping members. The first clamping member is slidably disposed on the main body, and the first clamping member has at least one pair of slanted sliding-tracks. The transverse clamping members are slidably disposed on the main body each having at least one sliding element slidably coupled to the slanted sliding-track of the longitudinal clamping member.

Abstract: A foldable support for a tablet computer or other object is an upright, self-standing or anchorable device. A base having foldout wings is adapted to be rotated in place and anchored under the legs of a person in a seated position, or under the person's torso for a reclining or supine person. The support includes a body with a recessed portion into which the base is attached about a horizontal axle to enable the rotation. Two arms are rotatably pinned together with the other ends attached to ball joints on the body and a receptacle. The receptacle holds the tablet computer or other object and includes a frame housing with rotatably attached rods that extend outwardly from side openings in the frame. A gripper is mounted to the far end of each rod to hold the corners or edges of the tablet computer or other object mounted between the grippers.

Abstract: An adjustable vacuum suction bottle support rack includes a stand, which forms at least one engagement slot; at least one suspension bracket, which has an end forming a mounting block receivingly engageable with the engagement slot of the stand; an anti-sliding seat, which is arranged on the stand for fixing the suspension bracket; and a leg, which has an end forming a coupling block receiving engageable with the engagement slot of the stand. The arrangement of the present invention allows for easy assembling and disassembling of the vacuum suction bottle support rack, reducing the amount of space occupied, and realizing stable support and retention of a storage bottle through an adjustment section of the suspension bracket to thereby improve the stability and preventing undesired oscillation.

Abstract: A heliostat having a frame structure for supporting a mirror. The frame structure is pivotable about at least one axis of rotation. A liquid ballast system is mounted on a side of the frame structure that is remote from the reflective surface of the mirror. The liquid ballast system includes at least two tanks, and an imaginary line between the tanks extends at an angle or perpendicular to the axis of rotation. An arrangement is provided for moving ballast liquid between the tanks in an actively controlled manner.

Abstract: A musical instrument stand includes an upright rod, a support assembly, and a transverse rod. The support assembly includes a base unit mounted on the upright rod, a holding unit mounted on the base unit, a locking unit connected with the base unit and pressing the holding unit, and a damping member located between the base unit and the holding unit. Thus, the damping member provides a damping effect to the holding unit so that the holding unit is rotated relative to the base unit stably. In addition, the holding unit can be rotated relative to the base unit to adjust the angle of the transverse rod relative to the upright rod and can be moved in the holding unit to adjust the horizontal position of the transverse rod.

Abstract: A portable section remote camera tower is an apparatus that used to elevate a camera off the ground. The apparatus is constructed from thin structural pipes, which makes the apparatus relatively inexpensive and relatively easy to assemble. The apparatus comprises a center support, a plurality of ground plates, a plurality of turnbuckles, and a camera adjustment system. The center support is a vertical structural member that is the main support for the camera from the bottom. The plurality of turnbuckles pulls the top of the center support from all directions towards the ground to keep the center support plumb. The center support and the plurality of turnbuckles are anchored to the ground by the plurality of ground plates. The camera adjustment system is used to tilt and pan the camera.

Abstract: A holder for an electronic device includes a head with elastically flexible portions configured to removably receive the electronic device with a snap-fit interlock, a neck for supporting the head relative to a surface, and a ball and socket connector coupling the neck to the head, the ball and socket connector configured to allow adjustment of the yaw, the pitch, and the roll of the electronic device with respect to the neck when the electronic device is coupled to the head.

Abstract: A portable table support that connects a collapsible table and capable of provide support of a stationary table. The portable table support includes a lower support structure, a platform disposed on a top surface of the lower support structure, and a pair of adjustable end supports. The a pair of adjustable end supports are attached to the platform such that each of the pair of adjustable end supports have a pair of members that move linearly with respect to each other in opposite directions along a horizontal plane. Further, the pair of adjustable end supports are individually positioned opposite each other at each end of the platform.

Abstract: An apparatus for securing a device in a viewable location which obviates the need to hold viewable devices in a viewer's hand comprising a clamp 1, the claim further comprising an upper clamp portion 3 interference fit to a lower clamp portion 5 and a ball 7 associated with the clamp which is associated with a socket 9, which in turn is associated with a downwardly extending leg 11. The apparatus further comprises a downwardly extending leg 11 such that the height of the downwardly extending leg 11 is controlled by its position within an elevation member 13. The downwardly extending leg 11 is held in place with a removable friction ring 15 placed around the downwardly extending leg 11 and holding the downwardly extending leg 11 in place within the elevation member 13. Two or more legs 17 are coupled to the elevation member 13 by hinged joints 19.

Abstract: A flat-panel display stand in accordance with the present invention includes a modular assembly for supporting a display on a horizontal surface so that the display tilt can be adjusted by the user. The stand has a modular design with only two modules: a retainer clip and supporting leg that are uniquely hinged together and connected to the rear of the display.

Abstract: A display stand for a laptop computer has an L-shaped spine supporting the computer. A T-shaped upper advertising substrate holder can be slid into the vertical leg of the spine in one of multiple orientations, i.e., with the cross-bar of the T horizontal to the ground or vertical to the ground on either the left side or right side of the computer, as point of sale (POS) physical constraints demand. In all orientations of the upper holder, an upper advertising substrate is supported by the upper holder in a vertical orientation. A T-shaped lower advertising substrate holder can be slid into the horizontal leg of the spine to support a lower advertising substrate in a horizontal orientation.

Abstract: An adjustable supporting apparatus of an object holder includes a body including an upper seat mounted on an upper end thereof for receiving an object, and a plurality of support elements, wherein each of the support elements has one end axially connected on the upper seat of the body by means of an axial rotating structure and another end having an abutting portion formed thereon to rotate axially by means of the axial rotating structure and to abut against the object. Hence each of the support elements is capable of being rotated to adjust a desired holding range and height with respect to the size of the object to enhance utility.

Abstract: A base structure can support a monitor. A fixed portion is firmly disposed on the rear casing of the monitor and contains at least one slide rail. A slide portion can move up and down the slide rail. A spring is linked to the fixed portion and the slide portion. One end of the push bar is pivotally linked to the slide portion. A first stand is firmly disposed on the rear casing. A second stand is pivotally linked to the first stand. Another end of the push bar is pivotally linked to the second stand. In this manner, the monitor may adjust the expanding angle of the second stand so as to place the monitor on the desk or hang the monitor on the wall.

Abstract: In some embodiments, provided is an electronic device holder including a body and one or more securing members coupled to the body. The securing members, during use, couple the body to an electronic device such that relative movement between the electronic device and the body is inhibited. The electronic device holder further includes a support member coupled to the body, the support member including an external shape grippable by a human hand such that a user can securely hold the electronic device by clutching the support member during use. During use, the support member bears at least a portion of the weight of the electronic device. The support member is coupled to the body such that the support member is angularly movable in three planes relative to the body during use.

Abstract: A panel positioning mechanism includes a supporting component, and a slot is formed on a side of the supporting component. The panel positioning mechanism further includes a loading component disposed on a side of the supporting component, a rotational spring set connected to the supporting component and the loading component, a fixing component set for fixing the supporting component, the loading component, and the rotational spring set, a contacting component connected to the loading component and disposed inside the slot in a slidable manner so as to constrain rotation of the loading component within a first range, and a releasing component passing through the loading component and fixed on the contacting component for driving a contacting portion of the contacting component to separate from the slot on the supporting component, so that the loading component can rotate outside the first range.

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

Abstract: A support stand comprises an elevating support, a monitor bracket, and a support member; the elevating support comprising a first and a second chasses, a pluralities of supporting blocks, an elastic member, a first and a second pivot subassemblies, a shaft sleeve; a guiding shaft; the first chassis comprises a resisting wall on the first end opposite to the second pivot subassembly; the first pivot subassembly is fixed to the plurality of supporting blocks connected to first ends of the chasses, the second pivot subassembly is fixed to the plurality of supporting blocks connected to second ends of the chasses; the shaft sleeve is sleeved on the second pivot subassembly, two ends of the guiding shaft are fixed to the shaft sleeve and the resisting wall; the elastic member is sleeved on the guiding shaft, two ends of the elastic member resist against the resisting wall and the shaft sleeve.

Abstract: A support stand comprises an elevating support; a monitor bracket; and a support member; the elevating support comprising a first and a second chasses, a pluralities of supporting blocks, an elastic member, a first and a second pivot subassemblies, a resisting member, a roller, and a pressing block; the first chassis comprises a resisting wall opposite to the second pivot subassembly; the elastic member is between the resisting wall and the pressing block, two ends of the elastic member resist the resisting wall and the pressing block, the first pivot subassembly is fixed to the plurality of supporting blocks connected to first ends of the chasses, the second pivot subassembly is fixed to the plurality of supporting blocks connected to second ends of the chasses; the resisting member is connected to the plurality of supporting blocks, the roller is assembled with the pressing block and rotatable against the resisting member.

Abstract: A fastening system for fastening a plate within an enclosure for electric installations includes an elongated holder and a support member arranged to be fastened to the holder with a snap-in fastening device. The snap-in fastening device is arranged to fasten the support member detachably to the holder in a direction perpendicular relative to the longitudinal direction of the holder and includes a locking device for fastening the support member to the holder at different points along the holder.

Abstract: A display support device includes a fixing base, a connecting member mounted on the fixing base, a frame connected on the connecting member, and an expanding bracket mounted on the frame. The frame includes a hold plate. The hole plate defines two first slots. The expanding bracket includes two first expanding bars and two second expanding bars. Each of the first expanding bars defines a number of through holes. Each of the second expanding bars defines two second slots. A number of first fasteners slidably extend through the first slots and the second extending bars to adjustably mount the second expanding bars to the hold plate. And a number of second fasteners slidably extend through the second slots and the through holes of the first expanding bars and are mounted to a display.

Abstract: A musical instrument stand includes an upright rod, a support assembly, and a transverse rod. The support assembly includes a base unit mounted on the upright rod, a holding unit mounted on the base unit, a locking unit connected with the base unit and pressing the holding unit, and a damping member located between the base unit and the holding unit. Thus, the damping member provides a damping effect to the holding unit so that the holding unit is rotated relative to the base unit stably. In addition, the holding unit can be rotated relative to the base unit to adjust the angle of the transverse rod relative to the upright rod and can be moved in the holding unit to adjust the horizontal position of the transverse rod.

Abstract: A holding apparatus has a main body, a longitudinal clamping member, and second and third clamping members. The first clamping member is slidably disposed on the main body, and the first clamping member has at least one pair of slanted sliding-tracks. The transverse clamping members are slidably disposed on the main body each having at least one sliding element slidably coupled to the slanted sliding-track of the longitudinal clamping member.

Abstract: A holding apparatus has a main body, a longitudinal clamping member, and a second and a third clamping members. The first clamping member is slidably disposed on the main body, and the first clamping member has at least one pair of slanted sliding-tracks. The transverse clamping members are slidably disposed on the main body each having at least one sliding element slidably coupled to the slanted sliding-track of the longitudinal clamping member.

Abstract: The present invention comprises a stand for a musical instrument, such as a guitar. The stand is primarily comprised of a first plate, a second plate, a top holder and two bottom supports. The first plate is attached to the back of the body of the instrument. The second plate is pivotally attached to the first plate. The top holder is attached to the top of the first plate at a first end and extends up and over the top of the body of the instrument. Two bottom supports extend from the bottom of the first plate down and under the body of the instrument. When the second plate pivots away from the first plate when the stand is in use, the second plate and the two bottom supports fully support said guitar in an upright position.

Abstract: The vertical display mounting device 100 comprises a vertical mounting attachment member 200 and at least one display mount 300 wherein the vertical mounting attachment member 200 may be the combination of a vehicle attachment member 400 and a vertical mounting member 500. The vertical display mounting device 100 may further include brackets 600 for attaching the vehicle attachment member 400 with the vehicle cab attachment points 14, 16 when the vehicle attachment member aperture 414, 416 and the vehicle cab 12 attachment points 14, 16 are not in alignment; an electrical mount 800; and a kit embodiment.

Abstract: A bracket for screen expansion includes a first arm, and a second arm. The first arm includes a first main body extending horizontally. Two horizontally spaced first assembling holes are defined in the first main body. The second arm is horizontally rotatably mounted to the first arm. The second arm includes a second main body extending horizontally. Two horizontally spaced second assembling holes are defined in the second main body. The brackets, to achieve screen expansion may be connected to a number of displays.

Abstract: A support structure for a display device is disclosed. The support structure may include a main rail configured to attach to the display. The main rail can have a first mating element extending along a portion of the length of the main rail and the main rail has a profile. The support structure also can have a guide member including a second mating element to mate with the first mating element and a friction pad configured to contact the curved profile.

Abstract: The invention provides a stand for a musical instrument which includes a ground-engaging base, a post which extends from the base and a clamp assembly, attached to the post, which includes a pair of clamping arms, each of which is variably spaced relatively to the other along an axis transverse to the post, to detachably engage a respective side of the instrument, when placed therebetween, to hold the instrument in a convenient position for a user to access and play.

Abstract: A clamp assembly including: a clamp frame including a first portion including a first opening which accepts a fastener, and a second portion interposed between the first portion and a third portion, wherein the third portion includes a second opening and a third opening, each of which accepts a fastener, a threaded rod disposed through the first portion of the clamp frame; and a clamp pad on an inner end of the clamp rod.

Abstract: A stand includes: a base including a front arm and a rear arm each in which a rod including thread parts at both ends is bent with the both ends facing each other; a hinge unit including two joint members each of which has at least two through-holes, and arranged such that the thread part at the one end of the front arm and the thread part at the one end of the rear arm screw into one of the through-holes of the two joint members, and the thread part at the other end of the front arm and the thread part at the other end of the rear arm screw into the other of the through-holes of the two joint members; and a bracket including an attachment fixed onto an object to be supported, and fixed onto the two joint members.

Abstract: An adjustable tilt solar panel support system including a support post, a U-shaped pivot bracket attached to the support post in a generally upright orientation and having a pivot pin hole for accommodating a pivot pin, and further having at least one adjustment opening; a rotational support cradle having a pivot pin hole in alignment with the pivot pin hole of the pivot bracket, such that the support cradle is pivotally attached to the pivot bracket, the support cradle further including at least one adjustment opening which aligns with the adjustment opening of the pivot bracket. An adjustment pin is selectively inserted into and through the adjustment openings of the support cradle and pivot bracket to secure the support cradle at a selected angle, and wherein the removal of the adjustment pin permits the rotational support cradle to pivot on the pivot bracket about the pivot pin.

Abstract: A display device is disclosed. A display device includes a connecting block (40) rotatably fastened to an end of a stand assembly (20); a head mount (43) vertically movable with respect to the connecting block (40); and a locking unit that selectively locks the motion of the head mount (43) as the connecting block (40) rotates.

Abstract: A stand is assumed to be a stand having a triangular structure, increases the strength between the front end portion of a mounting bar and a bracket and readily positions a solar cell module even without particularly increasing the number of components, and further prevents the corrosion of the bracket and metal fittings around the bracket. Abutting portions 73m of a front bracket 73 position a frame member 21 of a solar cell module 2 such that the frame member juts out beyond a bottom plate 73a of the front bracket 73 toward the abutting portions 73m. Accordingly, even if rainwater infiltrates the space between the solar cell module 2 and a mounting bar 11, gradually runs along the bottom face of the solar cell module 2, and turns into waterdrops W, and then the waterdrops W drop from the edge portion of the solar cell module 2, the waterdrops W will not fall on the bottom plate 73a of the front bracket 73 and the base rail 71.

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 support frame to support an electronic component of a computer system is provided. The support frame includes four support posts and two pairs of brackets mounted on the support posts. Each bracket includes a bottom surface and two side edges extending from opposite sides of the bottom surface along the same axis. A guide member is slidably mounted between one pair of brackets. The guide member includes a main body and two sliding portions positioned on opposite sides of the main body. A plurality of rolling members is movably mounted between the sliding portion and the corresponding side edges of the at least one pair of brackets. The electronic component is secured to the main body, and generating an amount of roll friction when the electronic component is inserted into or withdrawn from the brackets.

Abstract: A display device may be mounted on a stand. The stand may present a display screen of the display device at an angle in which it is easy for the user to view the display screen. The desired tilt angle of the display screen may vary depending on where it is positioned, and where it is viewed from. The present invention provides a stand in which the tilt angle of a display device can be changed between at least two different angles. The display device is securely mounted to the stand at all tilt angles.

Abstract: The invention relates to an adjustable motorized screen mount comprising a stand (12), adapted to be placed on a floor or attached to a wall or a ceiling; a bracket (14), adapted to be attached to a screen; and a motor, arranged to rotate a motor output shaft such that, upon rotation of the motor shaft, the rotary motion is transmitted, via a mechanical transmission comprising a multi-stage hypocycloid reduction geat train, to a transmission output shaft which moves the bracket (14) relative to the stand 912).

Abstract: A kaleidoscopic system may include a portable platform table having at least one storage compartment, a teleidoscope mounted on a swivel and gooseneck assembly, and a turntable affixed to a top of the portable platform table. The assembly may be affixed to the portable platform table to position the teleidoscope over the turntable.

Abstract: An image display apparatus includes a casing, a stand, and an image display section. The stand is formed of a single rod. The image display apparatus further includes a link mechanism that links the rod and a portion of the rear surface, supports the rod so as to be pivotal between a falling-down position where the rod falls down on the rear surface and a standing position where the rod stands from the rear surface, and locks and holds the rod to the falling-down position and the standing position. The rod is located at the standing position and one of two long sides of the casing and the leading end of the rod are placed onto a placing surface, whereby a first posture in which the casing stands with a first angle with respect to the placing surface is formed.

Abstract: A mounting device for mounting an object on a support includes a base configured to be coupled to the support, and a slide arm coupled to the base and movable between a retracted position and a plurality of extended positions. The slide arm is movable from any of the plurality of extended positions to the retracted position by sliding the slide arm relative to the base without any other manipulation of the mounting device by the user. The slide arm automatically locks relative to the base when the slide arm is moved to the retracted position.

Abstract: A mounting apparatus for mounting a device, preferably to a surface of a vehicle. In an exemplary embodiment, the mounting apparatus may comprise a base, a first intermediate component, a second intermediate component, and an adapter. The first intermediate component may be engageable to the base in at least two positions relative to the base. The second intermediate component may be engageable to the first intermediate component in at least two positions relative to the first intermediate component. The adapter may be engageable to the second intermediate component in at least two positions relative to the second intermediate component. The adapter may also be engageable to the device. The first intermediate component, the second intermediate component, and the adapter may be adjustable to position the device in a plurality of predetermined positions relative to the base, and may also be configured to receive a wire.

Abstract: A tool support system is disclose having a yoke; a plurality of concentric rings having at least one ring pivotally connected to the yoke; a tool fastening mechanism to secure a tool in the support system; and one or more rotation components to permit the tool to rotate within a ring of the support structure. One or more of the concentric rings can be added to the system or can replace one or more concentric rings to accommodate tools of different sizes. The invention includes a method of configuring a support apparatus and a support apparatus kit with various interchangeable parts, and parts that can be built out to varying degrees to permit the support structure to be used on numerous types of tools.

Abstract: An adjustable display arm utilizing a single motion, friction-locking hinge mechanism to allow a user to adjust the display height across a range sufficient to accommodate different-sized users while supporting the weight of an attached flat-panel display. The adjustable display arm can comprise a base assembly, an arm assembly, and a mount assembly. The arm assembly can have a lower arm bracket, an upper link, a hinge mechanism connecting the upper link's first end to the lower arm bracket, and an upper arm bracket attached to the upper link's second end. The hinge mechanism can have a shaft, a clutch bearing, and a friction pack. When assembled, the arm assembly's hinge mechanism will provide minimal resistance to a user raising an attached flat-panel display. However, the hinge mechanism's friction pack will provide resistance to the lowering of the arm assembly, thereby supporting the weight of an attached flat-panel display and effectively locking the adjustable display arm in the desired position.

Abstract: An exemplary flat panel display (2) includes a housing (251 and 255) with a pair of joint members (256 and 257), a display panel (253) accommodating in the housing, a base (21) with a supporting member (210), and a pivot mechanism (23) connecting the supporting member and the joint members. The joint members are integrally formed with the housing, whereby the display panel is pivotable relative to the base. With this configuration, the integrated joint members provide the flat panel display with a simple structure, relatively easy assembly, and reduced cost.

Abstract: A spherical pivot bearing assembly structure and a holder using the same are provided. The spherical pivot bearing assembly structure comprises a spherical pivot, a bearing housing, a friction member, an elastic member and a fixing member, wherein the elastic member disposed between the friction member and the elastic member applies an elastic force on the friction member to force the friction member tightly against a spherical surface of the spherical pivot and uniformly distribute the loading applied on the friction member so as to prevent slippage of the friction member. The elastic member may be a spring shaped in coils, wherein the amount of coils can be adjusted as being applied to different types of electronic apparatuses in different dimensions.

Abstract: A universal support is provided in the present invention. The universal support includes a brace unit, a mounting unit and a connecting unit, in which the brace unit has several joint assemblies with stronger mechanical strength and several quick-release clamp unit to carry heavier load, while the connecting unit can be securely fastened to a stationary object and the mounting unit can perform universally rotation so as to perfectly satisfy every need of the users.