Abstract: Various orthotic joint devices, components, and methods are provided. These include orthotic joint alignment devices for adjusting a neutral or fixed angle of an orthotic joint device independently of other parameters, orthotic joint devices providing staged resistance through staged recruitment of separate springs or initiation of staged spring-rate behavior of a single spring retained in a joint body, adapters for converting non-staged resistance orthotic joint devices into orthotic joint devices, and low-noise orthotic joint devices with intermittent normal force-transmitting contact associated with resistive or assistive forces provided by the devices, and methods of using the devices and components.

Abstract: The disclosure relates to locking assemblies. In one embodiment, the disclosure relates to locking assemblies for a center column of a stationary platform. In another embodiment, the disclosure relates to locking assemblies for legs of a stationary platform.

Abstract: A pedal assembly for an exercise and rehabilitation device can include a disk having an axis of rotation. A central aperture can be formed in the disk along the axis. Spokes can extend radially from adjacent the central aperture toward a perimeter of the disk. The disk can be formed from a first material. In addition, a crank can be coupled to one of the spokes of the disk. The crank can have a hub concentric with the central aperture. Pedal apertures can extend along a radial length of the crank. The crank can be formed from a metallic material that differs from the first material. A pedal having a spindle can be interchangeably and releasably mounted to the pedal apertures in the crank.

Abstract: A bed frame includes two first supports located on two sides of the bed frame, wherein a second support is provided between the two first supports, two ends of the second support are coupled to the two first supports, the first support includes a first rod member and a second rod member that are relatively movable, and the second rod member is sleeved on the outer periphery of the first rod member; and the second support includes a third rod member and a fourth rod member that are relatively movable, and the fourth rod member is sleeved on the outer periphery of the third rod member. The length and width of the bed frame can be adjusted, so that the bed frame can be adapted to mattresses of various sizes and specifications.

Abstract: A height adjustment mechanism for an adjustable height table includes an outer sleeve, an inner sleeve, a plug, and a locking mechanism. The outer sleeve is disposed outside the inner sleeve, and the outer sleeve and the inner sleeve are slidable relative to each other. The plug is disposed outside the inner sleeve, and is slidably connected to the inner sleeve. The plug is disposed at an upper end of the outer sleeve, and an outer wall of the plug includes a pressing portion. The locking mechanism operates to push the pressing portion tightly against an outer wall of the inner sleeve to increase the friction between the plug and the inner sleeve, so that the plug and the inner sleeve are relatively fixed.

Abstract: An adjustable-length bail extension includes a tubular outer link member, an inner link member axially movable within the bore of the outer member, and an adjustment mechanism for releasably clamping the outer member to the inner member at any of multiple locking positions defined by sets of locking grooves formed at axial intervals on the inner member. The adjustment mechanism is operable between a locked position wherein a collet assembly linked to the outer member engages a selected locking groove set and thereby enables axial load transfer between the inner and outer members; and an unlocked position wherein the collet assembly does not lockingly engage any locking grooves, such that the inner member is axially movable within the outer member to enable adjustment of the overall length of the adjustable-length bail extension by repositioning the collet assembly to engage the inner member at a different locking position.

Abstract: The present invention provides a pole shaft device including an outer shaft (10); an inner shaft (20) which is disposed in the outer shaft (10) and slides along the inside of the outer shaft (10); a fixing member (30) which is fixed on the inner shaft (20) and has an inclined surface formed in the circumferential direction thereof; and an extension member (40) which is coupled to the outer shaft (10) so as to be movable in the longitudinal direction thereof, and is extended by friction with the inclined surface so as to fix the outer shaft (10) and the inner shaft (20).

Abstract: A steering apparatus for a vehicle that utilizes steer-by-wire controls and may selectively be operated in an autonomous mode comprises a retractable telescopic steering column adapted to extend by as much as three hundred millimeters (300 mm) from its fully retracted position. The steering column is also in force communication with a feedback motor, which provides feedback to the driver of the vehicle via a steering wheel attached to the steering column to emulate the forces that would be transmitted to the steering wheel if the steering wheel were mechanically linked to the steerable wheels of the vehicle.

Abstract: A cable pull for transmitting a tensile and/or pressure force to a pivot point is presented. The cable pull has a counter bearing, a tie rod, an adjustment unit and a locking element. The counter bearing is designed to introduce a counter bearing into a casing of the cable pull, counter to the tensile and/or pressure force. The tie rod is axially supported in the counter bearing, and coupled to a wire core of the cable pull. The tie rod has a molded part on an end protruding out of the counter bearing, having a first component of a toothing. The adjustment element is designed to adjust a length of the cable pull between the counter bearing and the pivot point. The adjustment element has a guide for the molded part. The molded part can move axially in the guide, and is disposed such that it is guided transverse thereto. The locking element is designed to fix the molded part in place in the adjustment unit.

Abstract: A steering column assembly for an autonomous or semi-autonomous vehicle includes a first steering shaft operatively coupleable to a steering wheel, the first steering shaft and the steering wheel rotationally coupled to each other. Also included is a second steering shaft operatively coupled to the first steering shaft, the first and second steering shafts manually telescopingly movable relative to each other between an extended position and a retracted position, the first steering shaft disengaged from the second steering shaft in the retracted position and the first steering shaft engaged with the first steering shaft in the extended position, the retracted position rotationally decoupling.

Abstract: The present disclosure relates to terrain-tracking or vehicle suspension systems that include travel at least one of the front or the rear of the vehicle. Various embodiments include a suspension above the vehicle (upper suspension). Embodiments include a suspension or travel in at least one of t he upper vehicle (rear and/or front), middle vehicle (rear and/or front), or below vehicle (rear and/or front). Various embodiments included a combination thereof.

Abstract: A multi-axis adjustable machine handle may comprise a handle assembly and a handle mounting assembly. The handle mounting assembly may comprise a clamping assembly including an elongate clamp with first and second sides rotatably engaging the handle assembly and first and second cup-shaped members slidably engaging the elongate clamp. The handle mounting assembly may further comprise a locking assembly extending through the first cup-shaped member, second cup-shaped member, and elongate clamp to selectively prevent relative movement. Finally, the handle mounting assembly may also comprise a support brace engaging the second cup-shaped member.

Abstract: The invention relates to a support for fastening façade elements of façades, in particular curtain-type, rear-ventilated façades, comprising a wall fastening segment, which is designed for mounting the support to a building wall, and a façade fastening segment, which is designed for the mounting of supporting profiled elements or mounting profiled elements, wherein the façade fastening segment has a first connection segment for the horizontal mounting of supporting profiled elements or mounting profiled elements and a second connection segment for the vertical mounting of supporting profiled elements or mounting profiled elements, which is arranged perpendicularly to the first connection segment.

Abstract: The present invention provides an incubator in which there is no concern of a user feeling pain or injuring their arm, even if their arm makes comparatively hard contact with an upper end of baby guards when the user has placed their arm inside an infant accommodation space. The baby guards are formed with a protrusion and have sufficient strength as a guard configuration body at an outer periphery of the infant accommodation space, and the width of a region inside the baby guards where observation by the user is slightly inconvenienced does not become particularly large. In the incubator, at least one of the baby guards includes the substantially rod shaped protrusion configuring an upper end of the at least one baby guard when in a substantially upright state that is substantially upward.

Abstract: A system can include an actuator with a piston rod that displaces in response to pressure in the actuator, a seal assembly that seals about the piston rod and includes seal cartridges, each including a dynamic seal sealingly engaging the rod, and each including a static seal sealingly engaging a seal assembly housing, and a port providing communication between a housing exterior and a housing interior between adjacent static seals. A method can include preventing leakage from a well with a seal assembly about a piston rod of a hydraulic actuator, the seal assembly including seal cartridges, each including a dynamic seal that sealingly engages the rod, and each including a static seal that sealingly engages a seal assembly housing, enabling communication through a housing sidewall to a housing interior between adjacent static seals, and reciprocably displacing the rod in response to pressure variations in the actuator.

Abstract: A quick release assembly for attaching handlebars to a vehicle is disclosed. The assembly is a cam assembly that in a first position engages the handlebars of a vehicle in an operational position and when said cam assembly is in a second position disengages the handlebars to permit easy storage of the vehicle in a minimum of space. The quick release assembly permits a tool free assembly of a vehicle with a handlebar, such as, for example, a bicycle.

Abstract: A hydraulic pumping system can include an actuator including a piston rod that displaces in response to pressure in the actuator, a seal assembly that seals about the piston rod and is exposed to the pressure in the actuator, and another seal assembly that seals about the piston rod, is exposed to pressure in a well and includes multiple separate seal cartridges, each of the seal cartridges including a dynamic seal that slidingly and sealingly engages the piston rod. Another hydraulic pumping system can include an actuator including a piston rod that displaces in response to pressure in the actuator, a seal assembly that seals about the piston rod and is exposed to the pressure in the actuator, and another seal assembly that seals about the piston rod, is exposed to pressure in a well and includes a labyrinth ring comprising multiple ring layers.

Abstract: A multi-purpose device with concealed locking means having a first tube, sliding tube, lock hole, locking button hole, locking button, sheath, bias element, tip, handle, compression ring, and friction gasket.

Abstract: This invention relates to the field of sanitary and bathing devices, and particularly to a track corner connecting device for a shower door used in a shower room, a shower door frame and a shower door. The track corner connecting device for a shower door comprises: an inserting member and a receiving member, wherein: the inserting member comprises an insert, the insert having a chamber therein and being provided with a first opening; the receiving member comprises a receiver, the receiver having a receiving chamber therein and being provided with a second opening and a third opening, the second and third openings being arranged on two adjacent walls of the receiver; the receiving member further comprises a fixture; and an exit-stopping projection is provided on a second wall of the receiving member.

Abstract: A retractable pickup truck box cover system includes a pivot joint with improved strength, durability, and manufacturability between panels of a panel assembly of the cover system. A sealing system between the panels and along ends of the panel assembly provides improved weather resistance to the cover system. A lateral support system provides resistance to binding loads when opening and closing the panel assembly. The lateral support system may also aid installation of the cover system. A ramp adjustment system allows fine tuning of the ramps that guide folding and unfolding of the panel assembly. An improved locking system and the pivot joints allow more compact storage of the panel assembly. The improved locking system includes lock rods that engage rails of the cover system. Connecting structures connect adjacent panel pairs when the cover system is deployed and do not connect the adjacent panels when the cover system is stowed.

Abstract: A connection mechanism and manufacturing method for a surgical instrument includes an inner shaft member that extends at least partially through an elongated shaft member of the instrument and defines proximal and distal ends and is selectively movable in a longitudinal direction with respect to the elongated shaft member and includes at least one aperture that extends partially along the longitudinal direction and disposed distally from the proximal end. The inner shaft member enables a drive collar member to slide on the inner shaft member and reciprocate along the longitudinal direction. A drive collar stop member slides on the inner shaft member and moves along the longitudinal direction. The drive collar stop member then moves in a direction relative to the longitudinal axis to engage the aperture and limit further longitudinal motion of the drive collar member. An inner shaft stop member limits movement of the inner shaft.

Abstract: A locking mechanism for inner and outer telescoping members includes a housing fixedly attached to the axial outer end of the outer telescoping member. A cam member is mounted on the housing for pivotal movement between a locking position applying pressure urging a pressure pad in a radial through opening in the housing against the outer surface of the inner telescoping member to lock the inner telescoping member against axial movement relative to the outer telescoping member, and an unlocking position releasing the applied pressure.

Abstract: A rotary member (10) of an endless loop power transmission system can have a hub (12) for a centered connection to a shaft. The hub (12) can have a central aperture (18) extending therethrough and a plurality of radially inwardly projecting and axially extending flutes (14) formed on an inner circumferential surface (16) of the central aperture (18) defining reduced circumferential surface areas (16a) for machining a central bore (18a) through the hub (12). An interrupted finishing machining cut along the reduced circumferential surface areas (16a) of the central aperture (18) provides increased coolant flushing, while reducing finishing machining cycle times, and reducing load and wear on a bore cutter.

Abstract: In at least some implementations, an apparatus includes a throttle valve rotatable between an first position and a second position, a connection member coupled to the throttle valve and a wire retainer coupled to the connection member. The connection member is adapted to be coupled to a wire that controls rotation of the throttle valve, and the wire retainer is adapted to overlie the wire and inhibit unintended decoupling of the wire from the connection member.

Abstract: A cup holder module is detachably mounted on a mount of a stroller and includes a cup holder, a mounting arm formed from the cup holder, and a first mounting latch. The mount has an engaging groove. The first mounting latch is disposed on the mounting arm and has a first button movably disposed on the mounting arm, a clamping base connected to the first button and disposed in the mounting arm, and an elastic member. The elastic member is disposed on the clamping base for biasing the clamping base to clamp the mount cooperatively with the mounting arm when the mounting arm is mounted on the mount and the first button is engaged with the engaging groove. When the first button is pressed to move the clamping base to an unlatched position, the clamping base is separate from the mount to make the mounting arm detachable from the mount.

Abstract: A polyaxial screw assembly includes an internal load dampening mechanism for sharing and dampening loads between at least one screw member and at least one rod member interconnected by the assembly. A method of interconnecting the orthopedic screw with the rod by dampening with a body member interconnecting the screw to the rod.

Abstract: An extendable pole mechanism may be used with a pair of poles that are longitudinally movable to adjust the overall length of both poles. The mechanism may include a housing that receives the poles and a trigger that is moveable with respect to the housing to adjust the mechanism between a use condition, where the poles are held in a longitudinally relative fixed position, and an adjustment condition, where the poles are longitudinally moveable with respect to each other.

Abstract: A width adjustable worktable includes a worktable body, an extension member movable relative to the body, a first guide rod connected to the extension member and a control set rotatably mounted in the extension member. The control set is operable to move the first guide rod between a locking position, where the first guide rod is prevented from moving relative to the worktable body, and an adjustable unlocking position, where the first guide rod is unlocked and movable relative to the worktable body for allowing the user to move the extension member carried by the first guide rod to adjust the width of the worktable.

Abstract: A head restraint assembly is provided with a first guide member mounted proximate to a vehicle seat back. A second guide member is mounted to the first guide member for translation along the first guide member. A locking mechanism is mounted to the second guide member in cooperation with the first guide member for locking the second guide member relative to the first guide member. The first and second guide members are connected by at least one spherical bushing. A torsion spring is connected to the first guide member and oriented about the second guide member for locking the second guide member relative to the first guide member.

Abstract: A motorized climb assist assembly is provided. The motorized climb assist assembly includes a looped belt, an attaching member, a motor assembly and a fall arrest system. The attaching member is coupled to the looped belt. A safety harness is in turn coupled to attaching member. The motor assembly includes a motor and a drive sheave. The motor has a drive shaft. The drive sheave is coupled to the drive shaft. In addition, the drive sheave is in contact with the looped belt. The fall arrest system is integrated with the drive sheave and is configured to limit the looped belt movement as the result of a fall event.

Abstract: The present invention relates to a functional table for patient transportation, including: a patient supporter which supports a patient laid thereon and allows the patient to be horizontally slidably transported, with its both sides being changed in their angle with respect to a vertical axis of the patient; a support frame which is located in the central bottom of the patient supporter and allows the patient supporter to be vertically moved; a base frame which is connected to the bottom of the support frame and supports the whole of functional table; and at least three transporting wheels which are connected to the base frame and allow the functional table to be freely moved.

Abstract: A locking device for supporting members for a mobile machine, which supporting members are arranged on a chassis or load-bearing frame and can be extended, pivoted or telescoped from a retracted transport position into a deployed working position, has a locking bolt which can be displaced between a locked position and an unlocked position in a guide sleeve which is fixed to the frame and is arranged transversely with respect to the pulling-out direction of the supporting member, which locking bolt is prestressed in the direction of the locked position under the action of a spring, has an actuating member which displaces the locking bolt between the locked position and the unlocked position, and has a latching and guiding member for the locking bolt, which latching and guiding member is arranged rigidly on the supporting member, wherein the latching and guiding member has a guiding curve which pushes the locking bolt into a release slope, and wherein the locking bolt can be moved in the release slope automatic

Abstract: An exercise device including at least one positionable component configured to be positioned by a user. The exercise device includes a frame to which a collar is mounted. The positionable component includes a member that is slidably received within the collar and may be positioned by sliding the member to a selected position. A locking assembly is coupled to the collar and is operable to lock the member in a selected position within the collar, to release the member from the locked position, and when released, to allow the member to slide within the collar. The locking assembly includes a cam pivotably mounted to the collar and a cam follower assembly selectively biased by the cam against a portion of the member disposed inside the collar. The locking assembly also includes a pair of engagement members disposed inside the collar opposite the cam against which the cam biases the member.

Abstract: An adjustable holder assembly for removably holding, articulating, and rotating painting tools may include a handle assembly. An articulating arm may be pivotally coupled to a proximal end of the handle assembly and may be configured to allow both the articulating arm and a tool handle housing to be simultaneously angularly adjusted from a longitudinal axis of the holder assembly to any position from 0 degrees to 90 degrees. The tool handle housing may be configured to removably secure a handle of a painting tool at least partially therein. The tool handle housing may be removably coupled to the articulating arm such that the tool handle housing can be rotationally adjusted around a longitudinal axis of the holder assembly to any position from 0 degrees to 90 degrees; and a receiver end defining a channel.

Abstract: An articulated joint pivotably connects first leg and second legs. A first joint member attaches to the first leg. A second joint member attaches to the second leg. The joint members have facing abutment surfaces. Each joint member has a shaft opening receives a shaft for connecting the joint members, such that the legs may pivot between an open and a closed position. A clamping means releasably presses abutment surfaces of the joint members toward each other. A locking means releasably positively secures the joint members in at least the open position. Each joint member has a first aperture. The first aperture is radially offset from the shaft opening. The first apertures of each joint member are coaxially arranged in at least the open position. A device for supporting a person is included.

Abstract: An adapter for a tripodal stereotactic reference frame for use in arthroplastic surgery mounts a third leg of the frame at an angle with respect to the other two legs to facilitate use of said frame with varying surgical exposures.

Abstract: A brace for articulation is described. The brace has a first rod, a second rod, and a joint connecting the two rods. The joint has a pair of circular toothed rings provided with a central hole and arranged overlapping. Each circular ring is fixed to one end of the first rod, which is interposed between them, the second rod being interposed between the circular rings. The joint also has a fixing central pivot, inserted in the central holes of the circular rings and into the through hole of said second rod. The joint further has a first and a second blocking member, each provided with a respective pin, adapted to be inserted in two overlapping throats of the indentation of the circular rings, to limit the movement of the second rod.

Abstract: A cutting unit mounting device includes a ball through which a yoke extends laterally. The yoke is attached to the cutting unit, and the ball is pivotably mounted in a ball housing attached to a lift arm. A releasable lock pin engages and secures the ball within the ball housing in a mowing position or a service position. The ball housing has stops to limit the pivoting of the ball and yoke with respect to the ball housing. A releasable lock pin engages notches in the ball to engage and secure the ball in the mowing position or service position with respect to the ball housing.

Abstract: In one embodiment, the present invention contemplates an improved mechanism for adjusting a telescoping member. The telescoping member includes at least two sections including a first pole member having an outer diameter and an inner diameter; and a second pole member having a second pole inner diameter larger than the first pole outer diameter; a collet having a top portion securely coupled to the inner diameter arranged on a lower portion of the first pole member and a bottom portion extending beyond a lower end of the first pole member, the collet further comprising an external thread; and a handle member arranged on top of the first pole member, the handle member comprising an actuator button coupled to an internal spring coupled to a rod extending through the first pole member, the rod terminating in a plunger end, the plunger end extending through the collet.

Abstract: A locking mechanism for the elbow swivel joint of a support arm for selectively locking the lower arm section and upper arm section of the support arm relative to each other, in which the lower arm section has a swivel head positioned between the end flanges of the upper arm section. A carriage bolt runs through centrally-located coplanar screw holes in the swivel head and end flanges for completing the live hinge of the swivel joint elbow. The locking mechanism preferably includes three spring-biased locking pins that sit in three open-ended guide channels in the relevant end flange of the upper arm section, and there are also a plurality of corresponding locking pin receiving notches on the engagement surface of the swivel head, and a locking knob for compelling the three spring biased locking pins into mating engagement with the corresponding locking pin receiving notches on the engagement surface of the swivel head and holding them in place.

Abstract: A clamp for a musical instrument stand is equipped with a pipe retaining section having a metal base section formed with an abutting surface having a cylindrical inner peripheral surface, and a metal fastening section formed with a fastening surface having a cylindrical inner peripheral surface that is opposite to the abutting surface of the base section, wherein the abutting surface and the fastening surface hold an outer peripheral surface of a pipe from one side and another side to retain the pipe, and the clamp comprises a pipe sleeve in a semi-cylindrical shape that is made of a resin material, and has an outer peripheral surface to be abutted to the abutting surface or the fastening surface so as to be mounted on the abutting surface or the fastening surface; and a recessed section that is provided in a concave shape in a portion of at least one surface among an outer peripheral surface of the pipe sleeve, the abutting surface and the fastening surface, wherein a predetermined space surrounded by the re

Abstract: A luggage connector that may be used with a baby stroller or wheelchair to transport rolling luggage is disclosed. In a particular embodiment, the connector includes a first arm and a second arm. Clamps are disposed at a distal end of each arm. The clamps are used to secure the connector to a handle of luggage and a portion of a frame such as a stroller or wheelchair frame. Each arm is adapted to rotate about a central axis so that each respective clamp may be rotated and positioned appropriately to secure the connector to the frame. In addition, a rotating hinge is provided to adjust to a desired angle between the two arms to accommodate the connector being secured to the frame and rolling luggage.

Abstract: A support post for a safety fence assembly. The support post has a floor engaging end that has a number of claws, a shaft coupled at one end to the floor engaging end, a first longitudinally extending telescoping tube, a second longitudinally extending telescoping tube adapted for sliding telescoping engagement with the first telescoping tube, a ceiling engaging end, and an over-center locking lever assembly. Each of the claws has a number of sharp penetrating points for engagement with a supporting surface. The shaft has a free end which is threaded along at least a portion of its length. The first longitudinally extending telescoping tube has an internal nut for threaded engagement with the shaft. The ceiling engaging end is coupled to the second telescoping tube. The over-center locking lever assembly fixes the relative position of the first and second telescoping tubes.

Abstract: An adapter for a tripodal stereotactic reference frame for use in arthroplastic surgery mounts a third leg of the frame at an angle with respect to the other two legs to facilitate use of said frame with varying surgical exposures.

Abstract: A fold joint for a stroller has a first latch part fixed to a first frame element and a second latch part fixed to a second frame element. The latch parts are pivotable relative to one another about a pivot axis between an in-use orientation and a folded orientation. A latch shuttle is movable between a latched position locking the latch parts in the in-use orientation and an unlatched position unlocking the latch parts. A latch pin is carried by the latch shuttle. A track on the first latch part has a fold portion and a latch portion. A slot on the second latch part aligns with the latch portion in the in-use orientation. The latch pin is captured within the track and slot. When the latch shuttle is moved to the unlatched position, the latch pin is moved along the latch portion to the fold portion of the track. When the latch parts are pivoted toward the folded orientation, the latch pin moves along the fold portion of the track.

Abstract: A cutting unit mounting device includes a ball through which a yoke extends laterally. The yoke is attached to the cutting unit, and the ball is pivotably mounted in a ball housing attached to a lift arm. A releasable lock pin engages and secures the ball within the ball housing in a mowing position or a service position. The ball housing has stops to limit the pivoting of the ball and yoke with respect to the ball housing. A releasable lock pin engages notches in the ball to engage and secure the ball in the mowing position or service position with respect to the ball housing.

Abstract: According to the present invention, a movable wall portion for forming the outer circumference of an infant accommodation space can pivot forward about a portion of a region including the lower end portion and its vicinity of the movable wall portion from a substantially erect position to the outside of the infant accommodation space. The movable wall portion can move backward from a midway position in forward movement to the final backward moving position by its own weight while abrupt backward movement is suppressed by a damper. The present invention can provide a movable wall portion attachment mechanism of an incubator which does not produce a large sound or a large vibration when closing the movable wall portion, with a small chance that wall portions such as wall portions on the incubator base side, the movable wall portion or the like will be damaged.

Abstract: A flexure joint interposed between and connecting a first end and a second end has a spherical member, a receiving member configured and arranged to maintain and selectively engage the spherical member, and a connector in communication with the receiving member for releasably locking the spherical member in position as between at least a first locked position and a second locked position relative to the receiving member. Repositioning of the spherical member as between the first and second locked positions is effective for repositioning the shaft relative to the handle as between a first locked position and a second locked position.

Abstract: An extension pole. At least some of the illustrative embodiments include a first tubular member telescoped within a second tubular member. A first locking system is disposed within the internal volume of the first tubular member, and a second locking system is disposed at least partially on an outside diameter of the second tubular member.

Abstract: The spherical joint with internal brake has a controlled actuator that selectively brakes relative motion between interior members and an outer shell of the spherical ball joint. A shaft extending from the internal members can be stopped at any rotational position relative to the shell. The internal members may include a central spherical sectioned member sandwiched by a pair of symmetrically opposed peripheral spherical sectioned members, which selectively act as brakes when an actuator in the central member is energized. The energized actuator has a dual piston that pushes outwardly on the pair of opposed peripheral segments, which increases friction between the peripheral segments and an interior wall of the spherical shell to brake the system. The shaft extends from the central spherical sectioned member through an aperture in the shell. The size of the shell aperture determines the range of rotational motion of the shaft.