Abstract: An elevatable supporting device for bearing a display is provided. The elevatable supporting device comprises an upright, an energy storage element, and a bearing module. The upright includes a first surface and a second surface which is non-parallel to the first surface. The energy storage element abuts against the first surface and the second surface and includes a first arm providing a first resistance and a second arm providing a second resistance. A first included angle is defined between the first arm and the second arm. When the energy storage element moves from the highest position to the lowest position, the first included angle decreases so that one of the first resistance and the second resistance may increase in order to maintain a total effective resistance along the first axis. Accordingly, the display may be able to stop at any position between the highest position and the lowest position.

Abstract: A projection system can include a projector, a screen, a spine, a base, a projector shroud, and a shelf. In some embodiments the spine is made of steel piping. In some embodiments, the spine is hollow and can accommodate a first cable. In some embodiments the screen is an ALR screen. In some embodiments, the system utilizes an ultra-short throw projector lens. In some embodiments, the base is a steel plate. In some embodiments, the projector system includes a counterbalance. In some embodiments, the projector shroud and/or shelf is/are configured to increase ventilation and/or act as heat sink(s). In some embodiments, the projection system includes a remote-control extender.

Abstract: Disclosed is a hindered-to-flip-up structure for a desktop lifting platform, wherein the desktop lifting platform includes a lifting column, and a supporting plate that rises or descends with the lifting column; the hindered-to-flip-up structure is disposed on the supporting plate; the supporting plate includes a fixing plate and a flip plate in rotatable connection with the fixing plate; a limiting device is provided on the supporting plate; when the flip plate rotates downwardly, the limiting device limits the flip plate from downward rotation; the flip plate is free to rotate upwardly. Further disclosed is a desktop lifting platform adopting the hindered-to-flip-up structure. The disclosures offer advantages of better protecting the desktop lifting platform and protecting items on the desk from being excessively crushed and crashed. The disclosures are mainly placed on a work platform such as a desk.

Abstract: Methods and devices for manipulating an articulating arm of an ultrasound therapy system are provided. In one embodiment an articulating arm comprises a first articulating arm link, a second articulating arm link, a rotating joint configured to rotationally connect the first articulating arm link to the second articulating arm link so that the first and second articulating arm links are substantially perpendicular, and an arm limiter attached to the second articulating arm link, the arm limiter being configured to limit rotation of the second articulating arm link along the rotating joint with respect to the first articulating arm link. An ultrasound therapy transducer and imaging system can be mounted on the articulating arm. Methods for performing manipulating the arm and system are also provided.

Abstract: A manipulator may include a base portion, an upright portion connected to the base portion, a test head attachment incorporated into the upright portion, and an upright quick connect assembly incorporated into the test head attachment. In some cases, the manipulator includes an automatic weight transfer mechanism, a mobile base portion with casters and/or steerable casters.

Abstract: A surgical equipment holder is disclosed. The surgical equipment holder includes a first arm pivotable relative to a base, a second arm pivotably coupled to the first arm and an end effector pivotable relative to the second arm. The surgical equipment holder also includes a lever configured to actuate between a locked and unlocked position by use of a single hand by an operator. The end effector of the surgical equipment holder is configured to support and finely adjust the position of any number of surgical accessories during surgical procedures.

Abstract: An overload protection mechanism includes a first accommodating member, a second accommodating member, a force storage member, and an object. The second accommodating member is rotatably disposed on the first accommodating member. The force storage member is disposed between the first accommodating member and the second accommodating member. Opposite ends of the force storage member are connected to the first accommodating member and the second accommodating member. The object is connected to the second accommodating member. When an external force is exerted on the object and a torque generated by the external force is larger than a torque provided by the force storage member, the external force forces the object to drive the second accommodating member to rotate with respect to the first accommodating member.

Abstract: A device for wall mounting television or another display includes a wall mounting portion, a display mounting portion, and an extending/contracting portion. The extending/contracting portion includes a lower arm, an upper arm, a front bracket, a wall mounting bracket, one or more gas springs, and a linear actuator. The one or more gas springs and the linear actuator are arranged selectively to retract and extend the display mounting portion. The lower arm includes protrusions for automatically straightening a display attached to the display mounting portion. The display mounting portion and the extending/contracting portion together include a mechanism for automatically adjusting azimuth of the display mounting portion to a pre-set position when the display mounting portion is lowered into a viewing position. The mechanism for automatically adjusting azimuth may include a set screw and a biasing spring.

Abstract: A camera mounting system for inspection is intended to be used with lights and a camera connected to a data transmission system to allow temporary installation of the mounting system upon a barge hatch to allow for visual confirmation via a camera or other digital imaging system of the interior space of the barge. The system is intended to be used to reduce personnel exposure to the interior of barges. The camera mounting system is portable and may be folded. The camera mounting system allows use with hatches generally rectangular at the access hatch as well as hatches having rounded or sweeping ninety degree type access hatches with the mounting system providing multiple positions for placement of the camera for either hatch type to ensure repeatability of the visual confirmation between various barge and barge configurations.

Abstract: A weight balance method of a surgical microscope is able to automatically align, in response to a switching operation, a center of gravity G of the surgical microscope 5 with a rotary shaft S. A weight balance of the surgical microscope is easily attained only by slanting the surgical microscope, and therefore, no part of the surgical microscope protrudes upward to interfere with a supporting structure of the surgical microscope.

Abstract: A surgical microscope system includes a surgical microscope. When an additional unit is added to the microscope, the center of gravity of the microscope upwardly changes. In this case, an extension of a vertical-slider plate is joined with an upper joint location of a horizontal-slider plate, to raise a vertical slider together with a rotary shaft relative to the microscope, so that a weight balance of the microscope can be established only by sliding the vertical slider within its slidable range.

Abstract: Systems and methods for providing wall mount systems for personal entertainment devices (PEDs) or other display devices that allow for replacement of older, expensive, obsolete, and/or heavy aircraft monitors with improved PEDs (e.g., tablets). A wall mount system may include a PED holder that securely and removably attaches to a docking base that is installable on a surface (e.g., wall of an aircraft cabin). The docking base may include one or more connectors or ports that provide at least one of power and/or data transfer capabilities. The PED holder removably holds a PED therein, and is removably attachable to the docking base via a quick release connector that does not require any tools to operate. The PED holder includes circuitry that allows the PED to be electrically coupled to the one or more connectors or ports of the docking base when the PED holder is attached to the docking base.

Abstract: Disclosed is a supporting device for a display device displaying an image, which includes a multi-joint arm including at least one joint, a hinge connected to one end of the multi-joint arm and rotatably coupled with the display device about a rotation axis extending in the front-rear direction of the display device, a damper to restrict rotation of the hinge to a certain extent to shorten a rotation time of the hinge when the hinge is rotated, and a brake to fix the hinge when the rotation of the hinge is finished, wherein the hinge is disposed on the same plane as the center of gravity of the display device in a vertical direction of the display device.

Abstract: A TV wall mounting device includes a wall mount box with vertical supports, a display mount receiving a TV, and an extending/contracting portion between the box and the display mount. The extending/contracting portion has lower and upper arms rotatably attached to the wall mount with rear axles, a pair of linear actuators rotatably attached to the wall mount, a front portion that rises and lowers with action of the actuators, and a horizontally-swiveling portion that is raised and lowered with the front portion and is capable of rotating right-left with respect to the front portion. The display mount is attached to the horizontally-swiveling portion. Parallel operation of the linear actuators, wherein each actuator extends and retracts while keeping the same length as the other actuator, causes the display mount to go up and down. Differential operation of the actuators causes the display mount to rotate right and left.

Abstract: A fixture such as a light fixture includes, for example, a first lower support, and a first cord and a second cord for suspending the first lower support. Lower portions of the first and second cords are attachable to the first lower support. An upper cord support is attachable to upper portions of the first and second cords. The upper cord support is operable to fixedly position the upper portions of the first and second cords over a range of different positions so that the first lower support is fixedly maintainable at different angles relative to the ground. A fixture may include a second lower support and the upper cord support may be operable to independently fixedly position the upper portions of the third and fourth cords over a range of different positions so that the second lower support is fixedly maintainable at different angles relative to the ground.

Abstract: Embodiments relate to exercise systems, and more particularly to adjustable exercise cycles. In accordance with at least some aspects, a stationary exercise cycle includes an incline mechanism that adjusts an incline of an upright support structure. The incline mechanism is aligned with a portion of an upright support structure on which a handle bar assembly is mounted. In some cases, the exercise cycle includes a console that can be rotated for viewing when not riding on the exercise cycle. The exercise cycle can also include an adjustment mechanism for adjusting the position of a seat or the handle bar assembly. The adjustment mechanism can include a cam-based locking mechanism for selectively securing the seat or handle bar assembly in place.

Abstract: A robot includes a robot arm, a balancer, and a first mounting portion and a second mounting portion. The balancer is pressurized in advance by a predetermined amount of pressure and contracted to a dimension smaller than a predetermined mounting dimension of the robot arm. The first mounting portion and the second mounting portion are disposed on the robot arm to respectively accept a first end and a second end of the balancer so that the first end and the second end of the balancer are mounted on the robot arm. At least one mounting portion among the first mounting portion and the second mounting portion accepts the corresponding end, among the first end and the second end, of the balancer in a direction approximately parallel to a direction in which the balancer is expanded and contracted.

Abstract: A personal safety apparatus and systems include a mast connected to a base. The mast includes a plurality of mast sections and is vertically extendable from the base between a collapsed position and an extended position. A jib is rotatably connected to the mast. The jib is moveable between a first position wherein the jib is generally parallel to the mast and a second position wherein the jib extends outward from the mast. The jib includes a first jib arm and a second jib arm. The second jib arm is moveable relative to the first jib arm. An anchor point is secured to the jib. The anchor point is configured to connect to a cable configured to secure to a person.

Abstract: A lift mechanism, comprising: a post, two sliding elements, and a constant force spring. One sliding element supports a display and has a rolling member for rolling contacting a post side of the post. Another sliding element is provided at another post side and fixed with the other sliding element across the post body by a connecting structure, so that the two sliding elements pulling each other slide coherently along the two post sides. The constant force spring is provided at one post end of the post and extends an end fixed to the connecting structure to stop the two sliding elements. A thin-type supporting device comprises the lift mechanism and a flat-shaped support. A post is fixed with two post ends to inner walls of the flat-shaped support, so that the sliding element connected with the display slides along a longitudinal long hole on the flat-shaped support.

Abstract: Disclosed is a counterbalance system for moving a payload and a method for counterbalancing the payload. The system and method comprise a resilient member that is in communication with the payload to be moved and two resilient members that are in communication with either end of the first resilient member. An actuator is in communication with the first and third resilient members and a payload arm, attached to the payload, is in communication with the first and second resilient members. The resilient members may be compressed and relaxed during movement of the actuator and the payload arm so that energy may be transferred between the system and the payload to counterbalance the weight of the payload.

Abstract: A stand, for example, for mounting a medical instrument, has a first part and second part which is connected to the first part in a rotationally movable manner via a rotary joint and can be moved relative to the first part about an axis of rotation. The stand includes a drive module supported on the first part. The module has a drive member coupled to the second part. A control device having a controller is connected to the drive module and intended for setting a drive torque provided by the drive member. The control device includes a torque sensor for detecting a torque acting on the second part and a control-signal assembly connected to the controller. The control-signal assembly from the torque detected and a setpoint value generates a signal, which is fed to the controller and is intended for setting the drive torque provided by the drive member.

Abstract: A displacement structure for a support frame includes a fixing member and a slide member. The fixing member includes a first fixing portion, a connecting portion and a second fixing portion which are sequentially connected. The connecting portion has two ends connected to the first and second fixing portions, respectively, the first and second fixing portions are opposite to each other and separated by a clamping space which is provided for clamping a table plate. The slide member includes a first clamping portion fixed to one end of the stationary rod, and two opposite second clamping portions opposite to the first clamping portion. The first clamping portion and the second clamping portions are fixed together by a fixing bolt, there is a slide space between the first clamping portion and the second clamping portions, the first clamping portion and the second clamping portions clamp the first fixing portion.

Abstract: An elevation device comprises: a carrier, including an upper vertical frame having the left side and the right side oppositely disposed with a pair of rail slots, wherein one inner wall in each of the rail slots is longitudinally formed with a positioning slot allowing a guide rail to be disposed and positioned; a support seat, including a seat plate having the rear end thereof vertically extended with a pair of wing pieces, wherein backsides of the pair of wing pieces are respectively and longitudinally pivoted with at least one roller, the circumference of each of the at least one roller is formed with a guide slot confining the guide rail, thereby enabling each of the at least one roller to be longitudinally slid along the guide rail; and a constant force spring, formed in a coiled status and connected between the upper vertical frame and the support seat.

Abstract: An elevation device comprises: a carrier, including an upper vertical frame having the left side and the right side oppositely disposed with a pair of rail slots, wherein one inner wall in each of the rail slots is longitudinally formed with a positioning slot allowing a guide rail to be disposed and positioned; a support seat, including a seat plate having the rear end thereof vertically extended with a pair of wing pieces, wherein backsides of the pair of wing pieces are respectively and longitudinally pivoted with at least one roller, the circumference of each of the at least one roller is formed with a guide slot confining the guide rail, thereby enabling each of the at least one roller to be longitudinally slid along the guide rail; and a constant force spring, formed in a coiled status and connected between the upper vertical frame and the support seat.

Abstract: A device for finely adjusting the position of the counterweight of a telescopic filming crane has an electronically controlled motor, acting on a secondary counterweight platform, which automatically finely adjusts the position of the counterweight as the crane's telescoping tubes are extended and retracted.

Abstract: A medical apparatus includes an elastic compensation member providing a first link that is rotatable with respect to a first rotational axis so that a display apparatus is movable, with a torque in an opposite direction to a torque acting due to a load of the display apparatus in order to compensate for the torque acting due to the load of the display apparatus, in order to minimize a length variation of the elastic compensation member despite movement of the display apparatus, a first end portion of the elastic compensation member is not fixed to the first link but is supported by an additional rotatable supporting portion so that the first end portion of the elastic compensation member is movable relative the first link while the display apparatus is being moved.

Abstract: An example manipulator for transporting a test head includes: a tower having a base and a track, with the track being vertical relative to the base; an arm to enable support for the test head, with the arm being connected to the track to move the test head vertically relative to the tower; one or more motors to drive movement of the arm along the track; and pneumatic cylinders to control movement of the arm to cause the test head to apply an amount of force to a peripheral device.

Abstract: An elevation device comprises: a carrier, including an upper vertical frame having the left side and the right side oppositely disposed with a pair of rail slots, wherein one inner wall in each of the rail slots is longitudinally formed with a positioning slot allowing a guide rail to be disposed and positioned; a support seat, including a seat plate having the rear end thereof vertically extended with a pair of wing pieces, wherein backsides of the pair of wing pieces are respectively and longitudinally pivoted with at least one roller, the circumference of each of the at least one roller is formed with a guide slot confining the guide rail, thereby enabling each of the at least one roller to be longitudinally slid along the guide rail; and a constant force spring, formed in a coiled status and connected between the upper vertical frame and the support seat.

Abstract: An adjustable mount for positioning an x-ray source comprising a vertical member that can swivel around a yaw axis, a circular arc-shaped yoke having two ends and passing through the vertical member, a gantry attached to the two ends of the yoke, and an x-ray source attached to the gantry. The x-ray source can be rotated around the yaw axis by swiveling the vertical member, pitched around a pitch axis by pitching the gantry, and/or rotated around a roll axis by passing the yoke through the vertical member. A method for x-ray imaging that includes centering an x-ray source at an aiming position within an adjustable mount, and aiming the centered x-ray source at an x-ray sensor by rotating the x-ray source around a roll axis of the adjustable mount. An x-ray source mounting system comprising an x-ray source and an adjustable mount to which the x-ray source is attached.

Abstract: The invention comprises a small, easily transportable, specially programmed, camera mounting device with a wireless remote control. The camera mounting device is equipped with a ¼-20 stud, the standard type of stud used by tripods, so the user can easily mount a Go-Pro camera or any other kind of presently available small camera on the camera mounting device. Embodiments of the device can rotate the camera up to 360 degrees, left or right, at any of multiple speeds, and can also pause, and rotate the camera up or down, when needed. Embodiments of the device can attach themselves to other surfaces. The invention eliminates the need to use multiple cameras, while making a video, and splice the video together after the fact. This invention also comprises a method of filming, using the camera mount of the present invention, or a comparable camera mount.

Abstract: An elevatable supporting device for holding a display module which is defined with a normal direction is provided. The elevatable supporting device comprises a frame, at least one rail module, a sliding element, and at least one constant force spring. The rail module includes an outer rail and an inner rail, wherein the outer rail is fastened to the frame and formed with a lateral opening for the inner rail sliding therein. The sliding element is formed with an inner space for the rail module penetrating through. The sliding element is secured to the inner rail so as to slide on the frame. The constant force spring is disposed on the top of the frame and connects to the sliding element at a free end thereof. Thus, the elevatable supporting device is characterized in having a slim structure.

Abstract: A lifting structure with adjustable bearing capacity is provided. The lifting structure comprises a main body, a carrier, a main constant force spring, and at least one auxiliary constant force spring. The main body comprises at least one slide and at least one actuating module. The main constant force spring connects to the carrier. The actuating module is able to be selectively switched between a non-actuating position and an actuating position. When the carrier is driven from the top of the lifting structure along the slide, at least the main constant force spring provides a constant force to the carrier.

Abstract: A medical stand apparatus includes a cylindrical lower arm that accommodates an upper arm divided into sections, so that only the lower arm is visible from the outside and so that a drape can tightly be fastened to the lower arm. The upper arm sections are connected to each other through a shaft that is guided along an arc groove of a bracket. This configuration is beneficial to reduce a diameter of the lower arm when the upper and lower arms are curved.

Abstract: A lift system including a bracket configured to support an object, a support having a first end and a second end, the first end being movably engaged to the bracket, at least one cam engaged to the second end of the support, and a base including a cam follower configured to engage the at least one cam, and at least one bias element having a first end and a second end, the first end engaged to the cam follower.

Abstract: A support device includes a supporting arm supported on a stationary base, a guiding device attached to the supporting arm and having two channels, a sliding member includes two limbs slidably engaged with the channels of the guiding device for guiding the sliding member to move relative to the guiding device, a carrier is attached to the sliding member for supporting an object, and a spring biasing member is connected between the guiding device and the sliding member for applying a spring biasing force to the sliding member. A friction member is attached to the sliding member and frictionally engaged with the guiding device for applying a resistive force to the sliding member.

Abstract: The present invention facilitates improvements in laser ablation of solid samples to be analyzed by an external inductively coupled plasma (ICP) emission spectrometer, ICP/mass-spectrometer (ICP-MS), or flowing afterglow (FAG) mass spectrometer (FAG-MS) for elemental analysis (ICP and ICP-MS) or molecular analysis (FAG-MS). A novel invention mirror-with-hole beam combiner eliminates chromatic aberration in the invention sample view and allows rad-hardening the laser ablation invention for use in a radiation hot cell for analysis of high activity nuclear waste. Many other novel invention rad-hardening attributes facilitate a comprehensive rad-hardened laser ablation system (the world's first).

Abstract: A portable projection and display system can include a frame assembly having one or more folding trusses, a counterweight bar arranged on a rearward bottom portion of the frame to help provide a stable base, and an adjustable boom. A projector can be mounted on one end of an adjustable boom. The boom can adjust a distance between the projector and the display screen. The boom can be mounted to the frame with a hinged connection to permit it to act as a lever to raise and lower the projector. An adjustable boom bar can be attached to an end of the boom opposite the projector such that adjustment of the boom bar raises and lowers the projector via a lever action about a fulcrum.

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

Abstract: A rotational support mechanism includes: a fixing member that holds a support subject unit; an inner chassis that supports the fixing member so that the fixing member is rotatable in a vertical plane via a tilt shaft structure that is formed between the fixing member and the inner chassis; an outer chassis that is formed so as to cover the inner chassis from outside; a pedestal that supports the inner chassis and the outer chassis so that the inner chassis and the outer chassis are rotatable in a horizontal plane via a swivel shaft that is formed between a combination of the inner chassis and the outer chassis and the pedestal; and a first rotatable range restricting unit that is detachable and restricts a horizontal rotatable range of the support subject unit.

Abstract: A robot includes a base. A rotation base is coupled to the base and rotatable about a rotation axis relative to the base. An arm includes a base end that is coupled to the rotation base and that is turnable relative to the rotation base about a turning axis that is approximately perpendicular to the rotation axis. A balancer is coupled to the rotation base and the arm to provide force to between the rotation base and the arm. To a first attachment portion, one end of a jig is attachable to restrict displacement of the balancer in an axial direction. The first attachment portion is disposed at a coupling portion where the balancer and the arm are coupled to each other. To second attachment portions, another end of the jig is attachable. The second attachment portions are disposed at a predetermined distance from the rotation base.

Abstract: The present invention provides a cart for an ultrasonic diagnostic apparatus, having a high degree of flexibility in moving a top board on which the ultrasonic diagnostic apparatus is placed, and enabling a stable operation wherever the top board is moved. In the cart for the ultrasonic diagnostic apparatus, a vertical movement mechanism 60 is fixed on a base. A movable part 62 of the vertical movement mechanism is provided with a swing mechanism 70 that swings in the up-and-down direction, enabling up-and-down movement of the top board 10 according to both the vertical movement mechanism and the swing mechanism. The position of the movable part with which the swing mechanism is coupled is displaced forward from the vertical central axis of the vertical movement mechanism. The top board for placing the ultrasonic diagnostic apparatus is coupled with the swinging end of the swing mechanism, via a mechanism 80 for horizontal movement and/or a mechanism 90 for rotating the top board.

Abstract: A device is provided for the output of medical data with an output device (1) for the output of medical data in a first output mode or in a second output mode different therefrom. The device includes a detection device (3, 4) for detecting an ambient parameter and an automatic switchover device for the output of medical data in the first output mode if the ambient parameter detected by the detection device is in a first range of values, and for the output of medical data in a second output mode if the ambient parameter detected by the detection device is in a second range of values different from the first range of values.

Abstract: An electronic device includes a display module, a supporting frame and a pivoting mechanism connected to the display module and the supporting frame. The display module can pivot relative to the supporting frame. The pivoting mechanism includes two fixing components connected to the display module, two shaft components passing through the supporting frame, two locating components respectively disposed on an inner side of the supporting frame, two resilient components, two pulling components and two cam components. An end of each resilient component is connected to the corresponding locating component. An end of each pulling component is connected to the other end of the corresponding resilient component. A side of each cam component is connected to the corresponding fixing component, and the other side of each cam component is connected to the corresponding shaft component. The other end of the pulling component winds around the corresponding cam component.

Abstract: A load-supporting apparatus includes four levers each including first and second ends, a pushing element, a hanging element and an extending device. The first end of the second lever is connected to the second end of the first lever. The first end of the third lever is connected to the second end of the second lever. The first end of the fourth lever is connected to the second end of the third lever. The second end of the fourth lever is connected to the first end of the first lever. A first end of the pushing element is connected to the first lever. A first end of the hanging element is connected to a second end of the pushing element. A first end of the extending device is connected to the first end of the hanging element. The second end of the extending device is placed against the second lever.

Abstract: The invention relates to a mounting system (1) for mounting an electronic teaching board (2) on a surface, comprising four legs (4A, 4B, 4C, 4D) which are mutually connected such that the position of the electronic teaching board can be adjusted in both horizontal and vertical direction and arresting means for locking the electronic teaching board in the adjusted position.

Abstract: A tilt mechanism for an electronic display including a torsion spring, the torsion spring providing a spring torque to balance a monitor torque due to weight of the monitor. The tilt mechanism allowing an electronic display to be positioned at a variety of tilt angles within a range of tilt angles. Such a tilt mechanism allowing an electronic display to be positioned at positive and negative tilt angles within the range of tilt angles. Methods of using a tilt mechanism.

Abstract: A four bar linkage boom arm imaging stand assembly system and related methods are provided. The stand includes a height-adjustable imaging platform. The imaging platform is configured for holding a scanning device. The stand is configured to be mobile. The stand is also configured to be stable while moving a scanning device to a desired height and position. The stand is configured such that the imaging platform remains at a consistent orientation throughout the entire range of possible heights. The stand includes a unique brake feature for maintaining the imaging platform at a desired height.

Abstract: The elastic force of a spring 41 in a direction of an arrow X is applied to an end 51A of a coil spring 5A in a direction of an arrow Y through a holding plate 42. The end 52A of the coil spring 5A is engaged with a holding hole 12 and regulated from moving in the direction of the arrow Y. The elastic force of the spring 41 in the direction of the arrow X is constantly applied to the coil spring 5A in a direction in which the peripheral surface of the support post 3 is tightened.

Abstract: An automatic balancing structure of a medical balancing stand has stoppers arranged on a turn plate. In a normal state, the stoppers are in contact with and hold a contact part of a lever so that the lever and turn plate follow a rotative motion of a lateral arm. If the lateral arm causes an imbalance, a strain occurs on the lever to which a strain sensor is attached. The strain sensor detects the strain and outputs a signal to an adjustment unit so as to cancel the imbalance of the lateral arm. The strain sensor helps downsizing the automatic balancing structure and making the balance adjustment easier.

Abstract: A load-supporting apparatus includes four levers each including first and second ends, a pushing element, a hanging element and an extending device. The first end of the second lever is connected to the second end of the first lever. The first end of the third lever is connected to the second end of the second lever. The first end of the fourth lever is connected to the second end of the third lever. The second end of the fourth lever is connected to the first end of the first lever. A first end of the pushing element is connected to the first lever. A first end of the hanging element is connected to a second end of the pushing element. A first end of the extending device is connected to the first end of the hanging element. The second end of the extending device is placed against the second lever.