Abstract: A method of locking of and a directionally adjustable mount including a first plate arranged to stabilize an anisotropic device, a second plate arranged to engage the first plate and provide a support, a second supporting member arranged to engage the second plate and to rollably support the first plate so as to define a local spacing between the plates, and a first supporting member arranged to have a first axis of symmetry and to contact the first plate and engage the second supporting member. In a locked position, the supporting members are arranged coaxially regarding the axis of symmetry, such that a sum of a positioning force applied by the first supporting member and a locking force applied by the second supporting member upon the first plate substantially vanishes, so that a resulting local moment of force oriented to deform the at least one first plate also substantially vanishes.

Abstract: A mobile device positioning unit is provided that is designed to operably interconnect to a mobile electronic device storage case. Upon actuation of triggers, or similar actuation mechanisms, associated with a palm grip of the unit, the positioning unit is able to transition along the length of the mobile device or rotate relative thereto. The unit may be selectively or partially disconnected from the storage case to provide a stand that allows the mobile electronic device to be propped up.

Abstract: A mailbox mounting bracket is provided wherein there are two substantially identical bracket members that are coupled together to form the mailbox mounting bracket. The two bracket members may be adjusted in a lateral direction to have a width corresponding to any typical mailbox size.

Abstract: A support assembly which supports a computer device body having a display unit. The support assembly includes a base member which is supported on an installation plane, a shaft which extends in parallel to a plane of the base member, a first support member having one end portion joined to the base member and the other end portion which supports the support, at least one pinion gear which is concentrically joined to the shaft, a second support member including a first support part which supports the computer device body having the display unit, a second support part which extends from the first support part to have a predetermined curvature, and a rack gear which is formed on a plane of the second support part facing the shaft along the extension direction of the second support part and moves according to rotation of the computer device body supported to the first support part.

Abstract: A support foot (1) for supporting a free standing structure on a flat roof includes a holding means (34; 62; 63) for holding a profiled section (40) to which other parts of said structure can be mounted. The support foot comprises a base part (2) with a guiding structure (22). The support foot (1) furthermore comprises a skid part (3; 6), which includes the holding means (34; 62; 63) for the profiled section (40) and which is slidably mounted on the guiding structure (22) of the base part (2) so as to position the holding menas (34; 62,-63) for the profiled section (40) in a desired angular position allowing to compensate for a possible slope of the flat roof. The support foot (1) also includes securing means for securing the skid part (3, 6) in said desired angular position on the base part (2).

Abstract: A base which allows a portable electronic device to be attached thereto is provided. The base includes a first member, a second member and a pivot element. The first member includes an external connection port. The second member includes a socket. The pivot element is connected to the first member and the second member, the second member is pivoted relative to the first member between a first orientation and a second orientation via the pivot element, and the portable electronic device is detachably attached into the socket to stand on the second member.

Abstract: A base for allowing a portable electronic device to be attached thereto is provided. The base includes a first member, and a second member. The first member includes a first connecting portion and an external connection port. The second member includes a second connecting portion and a socket, wherein the first connecting portion is connected to the second connecting portion, the second connecting portion is pivoted relative to the first connecting portion, the second member is pivoted relative to the first member between a first orientation and a second orientation via the first and second connecting portions, and the portable electronic device is detachably attached into the socket to stand on the second member.

Abstract: A mounting bracket for fixing an electronic device on television set includes a holding portion and a mounting portion. The holding portion includes a holding frame, a rotating frame and a connecting hinge. The mounting portion includes an adjusting strap, a plurality of hook portions, a pair of adjustable buckles, a pair of latch portions, a pair of latching hooks and a pair of adjustable screws. The latching hook can be fixed on the latch portion by inserting the adjusting screw through the round hole and the adjusting slot. The mounting bracket can be mounted on different positions by adjusting a relative position between the holding frame and the rotating frame or by securing the adjusting strap on different position of the buckling portion and by mating the hook portion with the tri-lobed hole.

Abstract: A mechanism for gripping an article including a housing, a piston slidably housed within the housing, a plunger slidably housed within the housing, wherein the plunger is at least partially extendable out from the housing, the plunger including a gripping surface, at least one spring operatively arranged between the piston and the plunger for relating a change of a position of the piston to the plunger, and a cam eccentrically rotatable about an axis and operatively engaged with the piston for setting the position of the piston.

Abstract: An adjustable projector stand is provided for supporting a video or still image projector. The projector stand is adjustable in pitch and tilt for positioning and leveling images projected on a screen in a manner that compensates for uneven support structures, such as tilted tables and poorly placed screens. The device may be powered manually by the user or by battery through the use of a motor. The projector stand generally consists of a platform with two legs, each of which is formed by two pivotally joined rods. Each leg is in direct rotational communication with a threaded rod disposed within the platform. Each rod is in turn coupled to a means for rotation, which may consist of a manually rotated knob or a battery powered motor. The raising and lowering of one leg may be performed independent of the other in order to allow the projector stand to be leveled on an uneven surface.

Abstract: A stabilized support for supporting motion-sensitive, ultra-lightweight, camera equipment includes a hollow platform on which the camera equipment is mounted, and a structure on which the platform is detachably mounted. The structure has a handle, a counterweight mounted below the platform, and an arm for connecting the handle with the counterweight. The platform has a plurality of interior compartments preferably arranged in generally parallel rows at opposite sides of the platform, each row extending past a center of gravity. A plurality of ballast weights is held and confined in the interior compartments within the platform to balance the support when held by the handle, or supported by optional support legs. The placement of the ballast weights is based on a balancing procedure in which the camera equipment is balanced relative to a stationary horizontal support surface.

Abstract: A device for hands-free self-examination is provided comprising a viewing component having a mirror which is attached to a compliant receptacle. The receptacle being configured to receive filler material thereby enabling the device to be positioned on an irregular surface such that it substantially conforms thereto and enabling the mirror to be manipulated to any orientation.

Abstract: A roller type adjustable screen fixing apparatus includes: a fixing base, having at least one operating slot; at least one distal plate device disposed at an external side of the distal plate, having at least two distal plates embedded in the operating slot, and slidably moving in the operating slot, and a frame plate disposed at an external side of the distal plate; at least one linking device, having at least one roller installed in the operating slot and linked with the distal plate; and a containing space, defined by the upper frame plates of the corresponding distal plates for installing a screen. The distal plate is contractible in the operating slot for adjusting the containing space, such that the invention can fit screens of different sizes, and provide a convenient replacement and a dynamic adjustment.

Abstract: A base structure is used for bearing a display. The base structure includes a support and a seat. The support is connected to a display at one end and detachably disposed on the seat at the other end. The support has a buckling member, and the seat has at least one slot. The buckling member is fitted on the end of the support disposed on the seat, and is rotatable between a release position and a clamping position relative to the support. The buckling member has at least one baffle. When the buckling member is at the release position, the support is detached from the seat by passing the baffle through the slot. When the buckling member is at the clamping position, the baffle and the slot form an angle, and the baffle and the seat have a retaining relationship so as to lock the support on the seat.

Abstract: A positioning stand is provided, which comprises: a support; a positioning base, engaged to the support and having an accommodating base at a lateral side thereof; a locking rod, disposed passing through the positioning base and the support and having a locking part in contact with the accommodating base; a knob, connected to an end portion of the locking rod protruding from the support; and a resilient element, disposed between the support and the knob; wherein the knob is capable of changing a position of the locking part through compression of the resilient element and a rotation motion and the support compresses the resilient element to adjust an angle of the support, and the positioning stand is combined with an electronic apparatus, so as to adjust a tilting angle of the electronic apparatus, thus enhancing a cooling effect of the electronic apparatus and increasing comforts of using the electronic apparatus.

Abstract: A lock unit used for an electronic apparatus that includes a foldable and unfoldable housing that has a first surface that is foldable, and a second surface orthogonal to the first surface includes a lock member that locks the housing in a folded state, an operation member that moves the lock member and releases a lock of the housing by the lock member, and a transmission mechanism that transmits a driving force applied to the operation member to the lock member by changing an operating direction of the operation member to another direction, and moves the lock member in the other direction, wherein the operation member is provided on the second surface, and an operating direction of the operation member is a first direction perpendicular to the second surface, the lock member projecting in a second direction orthogonal to the first surface, and a moving direction of the lock member being a third direction orthogonal to the first and second directions.

Abstract: A novel adaptive mounting device that effectively mounts and secures objects to nonplanar surfaces, and in particular effectively mounts and secures objects in a quick and efficient manner to complex contours of different automotive vehicle dashboard and other interior vehicle surfaces having differing coverings of differing textures. By example and without limitation, this novel adaptive mounting device includes a substantially flexible container forming a vacuum chamber containing and substantially filled with a substantially granular substance. A mounting structure having a frame supporting a presentation structure is joined to the bladder with at least a coupler or other presentation structure external of the bladder. A substantially air impermeable seal is formed between the bladder and a portion of the frame, and at least a partial vacuum is formed within the bladder. A method for manufacturing the novel adaptive mounting device is also provided.

Abstract: A banner stand including a banner presenting graphics thereon, a base and a post operably coupled to the base and extending upwardly therefrom, and a support member operably coupleable with the post to support the banner in an upright display mode and to convert the banner to a curved configuration, wherein when the banner is the upright curved display mode, the banner includes a banner axis along a length thereof, the banner axis in a first position at an angle relative to an absolute vertical, wherein the angle is greater than zero degrees. The banner stand can further include an adjuster presented with the base and configured to enable adjustment of the post, such that the banner axis is effected to a second position, wherein the angle is substantially equal to zero degrees with respect to absolute vertical.

Abstract: An electronics module includes a base and a cover connected to the base. The base includes a recess adapted to receive an associated mounting rail. At least one fixed rail constraining tab is located adjacent a first edge of the recess and is adapted to engage a first flange of the associated mounting rail. First and/or second latch arms are located adjacent a second edge of the recess that is opposite the first edge of the recess. The first and second latch arms are connected to a fixed portion of the second edge and project outwardly relative to opposite lateral sides of the fixed portion. Each of the first and second latch arms includes a rail capture tab.

Abstract: A handwriting device includes a supporting device using two supporting arms with one end slidablely engaged in two respective sliding channel defined in a supporting base and the other end rotatably connected with each other for adjusting the height of a camera module supported by the supporting arms.

Abstract: A side arm clamp assembly is formed of a molded body having a clip receiver slot, a retention clip formed of a retention portion and an insertion portion that is slidingly receivable into the clip receiver slot. A detent is provided between the clip receiver slot and the insertion portion of the retention clip received thereinto. Means are provided for securing the molded body relative to an electronics platform with the retention portion of the retention clip projected over a mounting surface thereof.

Abstract: A pivot mount assembly for mounting an electronic device (e.g., an Electronic Flight Bag—EFB) in the cockpit of an aircraft, and more specifically on the steering control (i.e., yoke) of the aircraft. The pivot mount assembly preferably includes an upper portion and a lower portion, where the upper portion is rotatable with respect to the lower portion. The upper portion includes a receiving slot for receiving a device to be mounted, and the lower portion includes a securing mechanism and a positioning flange. A receiving mount within the yoke receives the positioning flange to position the pivot mount assembly within the same, and the securing mechanism operates in conjunction with the receiving mount to secure the lower portion to the same, and thereby the entire pivot mount assembly within the receiving mount.

Abstract: To provide a chip supply pallet preventing destruction of a chip and preventing a reduction in a productivity from being brought about in exchanging a wafer sheet, the chip supply pallet includes a first member 33 having a tension ring 51 brought into contact with a wafer sheet from a lower side, and a fixing member 54 of fixing a ring frame holding the wafer sheet on an inner side on a lower side of the wafer sheet brought into contact with the tension ring 51, and a second member 34 having a fixed portion for fixing to a predetermined position of a chip supply apparatus and a held portion 36 of being held when the chip interchanging pallet 3 is transferred, and the first member 33 is configured to be able to rotationally displace relative to the second member 34 fixed to the predetermined position of the chip supply apparatus.

Abstract: A supporting rack having a compensating mechanism includes a rack body, an action force compensating assembly, a transmission element and a supporting plate. The rack body has a base and support arms. The action force compensating assembly is provided in the rack body. The elastic element is firmly connected to the base. One end of the dragging piece is connected to the hooking plate. The rotating piece is provided on a distal end of the support arm. The other end of the dragging piece is connected to the rotating piece. One end of the transmission element is firmly connected to the rotating piece and pivoted on the support arm. Via the above arrangement, an appropriate force can be applied to the supporting plate. When the user intends to adjust the supporting plate, the elastic element can generate an effect for compensating the action force, thereby providing a better operation feeling.

Abstract: A ground connector including a first section and a second section. The first section includes a first member with a threaded post, a second member pivotably connected to the first member, and a pusher on the first member. The second member includes a stepped surface configured to be engaged by the pusher to clamp a pedestal directly between the first and second members. The second section is movably located on the threaded post and configured to directly contact and clamp a conductor towards the pedestal.

Abstract: The camera support for cinematography equipment has end blocks and side beams forming a perimeter frame with an open central area. The perimeter frame is adapted to mount to a secondary support. Track rails extending along the side beams slidingly mount a trolley plate on rollers received in track slots and a camera is mounted to the trolley plate for sliding movement along the perimeter frame. The camera may be mounted above the trolley plate or below the trolley plate where it is accommodated by the open central area. The trolley plate is mounted on rollers received in slots designed by the track rails, and a magnetic friction device provides controlled resistance to translation.

Abstract: A head arm pivot shaft support mechanism 180 has a cord covering unit 200 including a first part 210, a second part 220, and a third part 230. The first part 210 and the second part 220 are located on a side of one head-side engagement leg 186 of bifurcated head-side engagement legs 186 and 187 and are arranged to be rotatable about a pivot shaft member 193. The first part 210 and the second part 220 respectively have an arc-shaped peripheral wall 212 and an arc-shaped peripheral wall 222 protruded toward the third part 230 to f ill a space on a bifurcation base side between the bifurcated head-side engagement legs 186 and 187. The third part 230 is located on a side of the other head-side engagement leg 187 and is arranged to be rotatable about the pivot shaft member 193.

Abstract: A foldable supporting stand with a positioning mechanism includes a base, a support, a sliding body, a positioning mechanism, and a swinging piece. The support is roatably pivoted to the base. The sliding body is slidably provided on the support and is further connected to a screen. The swinging piece is swingably connected to the positioning mechanism. The positioning mechanism is fixed in the support. When the support is folded in the base, the swinging piece swings toward the sliding body due to its own weight, and is then locked with the sliding body. The locked sliding body is restricted from sliding on the support, so that the screen is thus kept stationary. By that arrangement, the supporting stand has a reduced volume for efficient packaging and storage. Furthermore, the screen is held stationary when being transported.

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 mounting device comprises a base for placement on a vehicle dashboard or other surface; an attachment mechanism positioned on the base for removably coupling with the electronic device; a battery system including a rechargeable battery positioned within the base or the attachment mechanism for providing power to the electronic device when it is coupled to the attachment mechanism; and at least one solar cell positioned on or incorporated into the base or the attachment mechanism for charging the rechargeable battery.

Abstract: A rotation apparatus of a flat display including a standard shaft which is implanted and fixed in the base, a clutch plate which is pivotally supported by the standard shaft so as to be able to freely rotate and is driven to rotate by rotation drive means as needed, a standard gear which is attached and fixed to the standard shaft, an idle gear which is attached to the clutch plate to be able to freely rotate and is engaged with the standard gear to roll around the standard gear, and a rotation output gear which is engaged with the idle gear and attached to the clutch plate to be able to freely rotate and orbit the circumference of the standard gear while rotating itself to support the flat display via the supporting shaft.

Abstract: A stage apparatus enables easy position alignment at a real installation site. Mounts 25 having sub base plates 21 arranged thereon are provided on carriages 25 and thereby constitute sub mounting tables 20a to 20d; and the mounts 25 are fixed to a main mounting table 10 having a main base plate 11. The positions of main base plate 11 and sub base plates 21 are aligned with each other by adjustment mechanisms 30 provided on the sub mounting tables 20a to 20d. As main positioning members 16 and sub positioning members 241, 242 are arranged on the main mounting table 10 and sub mounting tables 20a to 20d, separation can be performed so that a state of position alignment is restorable. Accordingly, position alignment is easy when assembling after transportation.

Abstract: An inspection device includes a base to receive an electronic device, a supporting member, a first adjustment member, a second adjustment member, and an inspecting member installed on the second adjustment member. The supporting member includes a horizontal plate movable relative to the base, a guideway fixed on the horizontal plate, and a guiding block movably mounted on the guideway. The first adjustment member includes a fixing plate fixed on the guiding block, and an adjusting plate rotatably attached to the fixing plate, and movable and rotatable relative to the base. The second adjustment member is fixed on the adjusting plate. Movement and rotation of the adjusting plate relative to the base allow movement and rotation of the second adjustment member relative to the base to allow movement and rotation of the inspecting member relative to the electronic device.

Abstract: The present invention provides a portable support stand for various devices such as laptop computes, tablet PCs and other electronic equipment. The stand has a tripod configuration which promotes stability of the user device. The front legs of the tripod may be adjusted between compact and extended positions, and may be placed in a position relative to the rear leg anywhere from 0° in a fully closed position to approximately 180° in a fully open position. Audible indicators are used with overall stand adjustment and with adjustment of stoppers at the ends of the front legs. Adjustment of the front legs relative to the rear leg employs a pivot section, including a finger disc spring, an adjustment actuator and an engagement member between the spring and the actuator. The engagement member includes projections or dimples which engage receptacles on an engagement member to secure the stand in a desired arrangement.

Abstract: A three axes or three dimensional adjustment foundation target mount for use in industrial applications to provide for precise settings for machining and related operations, includes a body, the body has internal threads therein, an expandable vertical adjustment disc is provided therein, a lateral adjustment target cone is applied on top of the adjustment disc, and a top retainer disc is located and threadily engaged within the body, and holds a series of adjustment screws which can be adjusted to provide for the lateral and fore and aft adjustments to the target cone, to furnish, along with the adjustment disc, three dimensional adjustments for the survey target when applied to the mount. A cap is also provided to furnish coverage for the receptacle, following its precise setting and usage.

Abstract: The universal work stand is a device that is useful for holding a pistol or other small items to assist the user in cleaning, assembly and repair. The device is mounted to any relatively flat surface. Once the device is secure to that surface the pivoting ball can accept a plurality of work piece holders such as a firearm holder, a fly tying vise, a reel vise (for holding fishing reels), fishing rod holder, pistol barrel holder or any other vise configuration that will hold a work piece. The unique pivoting ball allows for the manipulation of the ball to aid in the worker in placing the work at various angles. The ball lock is a standard locking mechanism and is also available with a quick release that can be adjusted with one hand while the other hand securely moves the work piece or the holder.

Abstract: A friction mount apparatus for supporting an electronic device (10) on a surface (14). The apparatus (10) includes a body (16), anchors (18,20,22), and a receiving member (24). Body (16) includes a recessed surface (30) on the bottom thereof into which a foam layer (36) is secured, wherein the foam layer (36) contacts a mounting surface (14) and resists moving relative to the surface (14). The anchors (18,20,22) are connected to the body (16) via flexible necks (38,40,42) and have bottom surfaces formed of soft material and weighted cores to press the bottom surfaces against the mounting surface to resist movement relative to the mounting surface (14) and thus further stabilize the apparatus (10). The receiving member (24) is secured to a top surface of the body (16) and is adapted to releasably retain an electronic device (12).

Abstract: A support stand for a flat-panel display monitor includes a support structure, a rotatable bracket, a first hinge assembly having a first pivot shaft, and a second hinge assembly having a second pivot shaft positioned opposite to the first pivot shaft, and a connecting module. The rotatable bracket is sleeved on the first and second pivot shafts and rotatably connected to the support structure by the first and second hinge assemblies. The connecting module connects the first pivot shaft to the second pivot shaft such that the first and second pivot shafts are substantially aligned along a common axis.

Abstract: A pivot apparatus adapted to connect a host and a display includes a rotary base having a first part and a second part, a connecting plate, a pivot component, a first connecting rod and a hook. The first part is embedded at the host. The second part has a rotary shaft embedded at a first edge of the connecting plate. The pivot component is pivotally connected between a rear surface of the display and a second edge of the connecting plate. The first connecting rod is slidably disposed at the connecting plate and has at least a locking hole. The hook is disposed at the rear surface and passes through the connecting plate to be slidably disposed in the locking hole. The hook is used to interfere with the first connecting rod to restrict the rotation of the display by the pivot component relative to the connecting plate.

Abstract: A method for manufacturing a weighted mounting platform, the method including: of a first injection moldable material, injection molding a substantially rigid body structure further comprising a substantially central hub with a plurality of legs projecting therefrom and an enlarged mass positioned adjacent to an end portion of at least two or more of the plurality of legs distal from the hub; of a second injection moldable material, injection molding a flexible skin covering at least a portion of the body structure between each enlarged mass and the central hub; and subsequent to the injection molding a flexible skin, freeing the enlarged mass positioned adjacent to an end portion of at least two or more of the plurality of legs for motion relative to the central hub.

Abstract: A foldable supporting stand with positioning means includes a base, a support, a sliding body, a positioning means, and a swinging piece. The support is roatably pivoted to the base. The sliding body is slidably provided on the support and is further connected to a screen. The swinging piece is swingably connected to the positioning means. The positioning means is fixed in the support. When the support is folded in the base, the swinging piece swings toward the sliding body due to its own weight, and is then locked with the sliding body. The locked sliding body is restricted from sliding on the support, so that the screen is thus kept stationary. In this way, the user can store and package the supporting stand conveniently to reduce the volume for packaging efficiently. Furthermore, the screen is kept stationary to prevent from the collision occurring during its transportation.

Abstract: The present invention relates to a supporting structure having function of rod-linkage latching which comprises a connecting unit, a base seat, a base seat hinge, a main hinge, at least one rod-linkage mechanism and at least one rod-linkage latching device.

Abstract: A positioning system for imaging devices is provided. The positioning system includes an imaging element and a tilting arm support having the imaging element coupled thereto. The tilting arm support includes a linkage to tilt the imaging element when the tilting arm support moves.

Abstract: A mounting base for switch packages having a mounting flange is provided. The base includes a body having a first receptacle and a second receptacle, and each of the first and second receptacle is configured to accept a mounting flange of the switch package with snap-fit engagement. The first and the second receptacles are inverted relative to one another and allow mounting of the switch package with a fewer number of fasteners.

Abstract: A support stand includes a base and a mounting post that is collapsible into the base. The support stand can be extremely compact and nearly flat with a very small height. The support stand also is very easy to use and can be quickly set up and utilized with a camera or other device to be mounted thereon.

Abstract: An adjustable mouse lap pad has a working platform with flat upper and lower surfaces. Two sets of dual tracks are secured to the lower surface, each track set having two track members with teeth. Four pad supporting saddle elements are configured for comfortable placement on the lap of the user. The saddle elements are positioned within the sets of tracks. Each saddle element has teeth which engage with the teeth of the track members. The saddle elements are biasedly controlled, by push button activation, to move along the tracks and, at desired locations on the lower surface, to be locked in position within the teeth of the track members. This securely maintains the saddle elements under the platform, eliminating unwanted shifting and movement while the pad is on the thigh or lap of the user.

Abstract: A base apparatus for providing engagement to advice holder is provided, including a connection unit, a fixed unit, and at least a weight unit. The connection unit is for connecting a clapper or holder of electronic device, and the fixed unit is engaged to the bottom of the connection unit. The weight unit is sandwiched between and partially contained within the boundaries of the connection unit and the fixed unit. The weight unit includes a wrap means, an anti-slip means, and at least a weight object. The boundaries of the anti-slip means and the wrap means are engaged together to form a space for accommodating the weight object.

Abstract: The present invention relates to a device for rapidly mounting a mechanical assembly on a support. The device comprises at least one mounting module (3) having a male part (22) mechanically fixed to the assembly (1) and a female part (21) mechanically fixed to the support (2), the male part (22) fitting into the female part (21), the female part having a thrust system (25, 26) locking the male part (22) against a wall of the female part (21) once the male part has been fitted thereinto. The invention relates notably to the mounting of a tool on a support, for example a vibrating support, notably for a testing station.

Abstract: An exemplary support stand for a flat-panel display monitor, includes a base member, an elevating mechanism, and a rotatable mechanism. The elevating mechanism includes a support member and an elevating member. The support member is fixed on the base member. The elevating member is slidably connected to the support member. The rotatable mechanism includes a rotatable body. The rotatable body is rotatably positioned on the elevating member.

Abstract: An adjustable holding device for drums has a base, a positioning clip and a mounting sleeve. The base has two lower positioning notches and a pivot recess. The positioning clip is connected pivotally to the front end of the base and has an intermediate section and two arms. The arms formed on the intermediate section and are connected pivotally to the base and each arm has an upper positioning notch cooperating with one lower positioning notch to form a positioning hole. The mounting sleeve is mounted pivotally in the pivot recess and has two friction wheels selectively and respectively engaging the positioning holes. The adjustable holding device can adjust the angular position of a supporting rod that holds the drums.