Abstract: The disclosure relates to a mobile crane comprising a superstructure having at least one bearing point for pinning on a boom, wherein the bearing point comprises two spaced apart side parts that each have a bore for receiving the pin; and wherein the boom comprises at least one connection part that is provided with a bore and that can be introduced between the side parts such that a common connection pin can be pushed through the bores of the side parts and the connection part, wherein the clear width between the side parts is larger than the width of the connection part of the boom, and wherein a step pin is provided as a connection pin and its formed shoulder forms an abutment for the connection part of the pinned boom in the pinned position.

Abstract: Mounting system, assemblies, and devices are shown and described. In one embodiment, a device to secure a fixture about an off-axis adjustment includes a lower knuckle having a plurality of sunken interior teeth, a distal attachment portion, and a threaded fastener aperture; an upper knuckle having a plurality of raised exterior teeth and a distal attachment portion; and a locking fastener to prevent rotation of the lower knuckle about the upper knuckle. The result is an assembly substantially rotational in a nonengaged position, and fixedly aligned in a coupled position.

Abstract: An adjustable fastening system comprising a mounting bracket, wherein said mounting side comprises an outer flange, an inner raised portion, and a plurality of retention pegs; a clip, wherein a side of said clip comprises a plurality of retention holes; and a fastener; wherein said clip is operable to be mounted to said mounting bracket such that said retention holes receive said retention pegs; and wherein said fastener is operable to secure said clip to said mounting bracket such that said mounting bracket and said clip are secured to one another.

Abstract: A trajectory guiding apparatus and one or more methods associated therewith for facilitating precision-guided alignment and implantation of a DBS therapy device in a patient. A pivotally rotatable stage is pivotally coupled to a base support and a vertical support operative to support a slider assembly arranged to accommodate an instrumentation column (IC) containing the therapy device. A first gimbal drive is disposed between the pivotally rotatable stage and the base support, wherein the first gimbal drive is actuatable to cause a first pivotal motion of the slider assembly including the IC, the first pivotal motion defined along a first arcuate path pivoted around a first pivotal axis.

Abstract: The invention relates to a bicycle gearshift comprising a locking device acting between a connection member and a first body. The locking device comprises a pin slidable along a sliding axis in a through cavity formed on said first body and comprising an actuation end portion to be actuated in order to command shifting from a first operative configuration to a second operative configuration, and an opposite locking end portion that, when said locking device is in said second operative configuration, is in abutment against said connection member thus preventing a relative rotation between said first body and said connection member. When said locking device is in said second operative configuration said actuation end portion is arranged at one side of said connection member and said locking end portion is arranged at the other side of said connection member.

Abstract: One or more embodiments of the present disclosure provide a jointed member. The jointed member may include a first elongate section having a surface defining a first oblong opening, a second elongate section having a surface defining a second oblong opening, and a fastener passing through the first oblong opening and the second opening to connect the first elongate section and the second elongate section, where the first oblong opening and the second oblong opening move relative each other and the fastener as the jointed member transitions from a first predetermined state towards a second predetermined state.

Abstract: A mounting fixture for positioning a workpiece in a desired relationship with an apparatus including an articulation joint for coupling first and second tubular members in a desired angular relationship. The articulation joint includes a first end portion clamped to an interior surface of the first tubular member and a second end portion clamped to an interior surface of the second tubular member. First and second clamping members of the articulation joint are clamped together to prevent pivotable movement between a first articulation member and a second articulation member of the articulation joint.

Abstract: An exemplary rotating mechanism for rotating a second body relative to a first body is provided. The first body includes a pair of sidewalls, and the second body includes a pair of connecting arms. A first connecting piece rotatably connects one of the connecting arms to one of the sidewalls, and a second connecting piece rotatably connects the other connecting arm to the other sidewall. A resilient element connects the second connecting piece to a sidewall to provide a restoring force to the second connecting piece along a direction perpendicular to the sidewall. An angle positioner is fixed on the other sidewall and is sleeved on the first connecting piece. The angle positioner defines a positioning gap to engage with a pair of lugs extending from the first connecting piece for positioning a relative rotation angle between the first body and the second body.

Abstract: A power disc style seat reclining mechanism for a vehicle seat includes a seat base fixed mounted guide disc pivotally connected to a set of pivotal discs. The pivotal discs include an internal disc segment and a seat back attaching member. Within the internal disc is a set of slots that may be actuated by a center shaft that is driven by a motor. When the internal disc is rotated, the desired seat back position is the end result as the motion is discontinued.

Abstract: The present invention relates to outdoor grill accessories, and more particularly, a foldable worktable attachment for an outdoor grill that includes a large table area that is interconnected to a lower shelf by two sets of foldable legs. When in an erect position, the table provides ample space for preparing foods and the like, but when in a collapsed position, the table lies flush against one of the sides of the grill housing, thus, enclosing the lower shelf and supporting legs that are folded and stored between the table and a recessed area included in the grill housing.

Abstract: A mechanism for installing a spring in a vehicle decklid includes a bracket supported on the decklid to rotate about an axis, including a leg extending radially from the axis, a spring secured to the bracket, a stop, and an attachment engaged with the bracket for rotating the bracket about the axis and extending the spring to an installed position where a force applied by the spring to the leg forces the bracket into contact with the stop, said contact preventing rotation of the bracket in a direction that extends the spring.

Abstract: A pivot joint arrangement is provided for a crane arm having a securing device for operating devices. The arrangement has a pivot joint which has two spaced-apart pivot bearings, at least one of the two pivot bearings having at least two flaps and a bearing pin. One flap is connectable to the crane arm and the other flap is connectable to the securing device, and the bearing pin is connected in a rotationally secure manner to one of the two flaps and rotates relative to the other of the two flaps. At least one swing brake brakes or damps an oscillation of the operating device on the crane arm, the swing brake having a plurality of disc-like brake elements.

Abstract: A mechanical means of connecting natural bamboo or any natural tree pole at the terminal end to side of another natural bamboo or natural tree pole overcoming the inherent problems of the irregular characteristics of the poles in a simple and efficient way. The connector assembly is easily fitted to the poles with small tools and simple construction trade skills. Once fitted with temporary fasteners said connector assembly elements are joined at any angle as in a construction frame by one bolt. The next and most important innovation; a final adjustment opportunity is available to the builder. At this step adjoining elements are locked into a precise mating surface attachment before final securing is performed. This adjustment is an essential function as a means of compensating for the irregularities of natural poles to insure optimal positioning of adjoining poles by means of in place rotation of said connector elements.

Abstract: One embodiment is directed to a locking mechanism. The locking mechanism has a housing and a rotary actuator carried by the housing. The rotary actuator includes a shaft and armature disposed around at least a portion of the shaft. The armature is configured to rotate the shaft about a longitudinal axis of the shaft. The locking mechanism also has a cam carried by the shaft and a set of locking balls disposed between the cam and the housing. The locking mechanism has a locking assembly carried by the housing, the locking assembly being axially positionable between a locked position relative to the housing and a released position relative to the housing.

Abstract: A push broom that is constructed of a broom head that includes a broom plate for supporting bristles or the like and having a rest surface and a bristle support surface; an elongated handle attached to the broom plate of the broom head and for controlling a sweeping action of the broom head and a pivotal coupling member for mounting the elongated handle with the broom head. The pivotal coupling member has separate positions including a rest position in which the broom head rests on the rest surface of the broom plate so that the handle is substantially upright to maintain the broom free-standing and an action position in which the handle is pivoted relative to the broom head so as to enable the sweeping action of the broom head by a user.

Abstract: A support head assembly includes a main body, a tooth disk unit, a tooth disk cap, a button, a button cap, and a spring. The tooth disk cap and the button cap are assembled on the main body. Two ends of the spring are respectively secured on a securing post of the tooth disk unit and a securing post of the tooth disk cap, and abutted against therebetween, such that a tooth disk of the tooth disk unit is engaged with a first tooth slot of the main body and a second tooth slot of the tooth disk cap. The tooth disk of the tooth disk unit can be disengaged from the first tooth slot of the main body and fully received in the second tooth slot of the tooth disk cap by pressing the button and further the tooth disk unit to compress the spring, so as to allow the support head assembly to be made angle adjustment according to the desires.

Abstract: A speedy pivoting-and-fixing device for a foldable structure includes a structure assembly, a pivot assembly, a base assembly and a pin. The structure assembly has a first structure and a second structure. The pivot assembly has a first pivot and a second pivot formed with axial holes. The first and the second pivots are each formed with a cambered surface at a connected end thereof so that the first and the second structures can be pivoted by 90° and 180° relatively. The base assembly has through-holes corresponding to the axial holes so that, by using bolts, the base assembly can be effectively attached to the pivot assembly or the first and the second pivots can be pivoted into place in a speedy way. The pin is disposed at a side of the first and the second pivot and is adapted to compressively fix the pivot assembly to prevent rotation thereof.

Abstract: The invention relates to a method and an arrangement pertaining to a swing damper, particularly a swing damper (10) for supporting tools/implements (5) suspended from a crane jib (1) or the like. The swing damper (10) includes a first swing joint/bearing (3) with a first brake arrangement (21, 22, 45) and a second swing joint/bearing (4) with a second brake arrangement (31, 32, 46). The desired degree of braking and/or the fixing of the desired swing position is/are achieved by operating a controller (50) operating between the first brake arrangement and the second brake arrangement.

Abstract: A ball stud having a ball at one end of a rod-shaped stud. The ball stud comprises: a metal plating film formed on the surface of the stud; and a trivalent chromate film continuously formed over both the surface of the metal plating film formed on the stud and the surface of the ball, whereby rust is inhibited in the boundary of the metal plating film. An externally threaded portion is also coated, if formed in the ball stud, on its surface with the metal plating film and the trivalent chromate film.

Abstract: A connector device for interconnecting two members, the device including a first body portion (5) arranged for abutment with a surface of one of the two members, a second body portion (14) moveably attached to the first body portion. The device has attachment means (7) for attachment thereof to the other of the two members, and locking means including a locking member (6) arranged to be secured, by action of said abutment with said surface, into a locking position of engagement with the second body portion such that movement of the second body portion relative to the first body portion is restrained by the engaged clocking member.

Abstract: A mannequin, particularly a child sized mannequin, that includes articulating joints which permit a considerable range of movement. In accordance with a preferred variant of the present invention, special accommodations are made for wrist joints on a mannequin. The present invention broadly encompasses not only full or partial body mannequins, but any portions thereof that include an articulated connection between one part of the mannequin and another.

Abstract: An accessory clip for attaching medical equipment and the alike to a litter stand that is for attaching to a litter. The accessory clip preferably includes at least one attachment for a piece of medical equipment such as medical monitors, ventilators, infusion pumps, and IV bags. The accessory clip preferably includes components that allow it to be attached to the litter stand.

Abstract: A fastening apparatus for fastening at least an interface card includes a fixed support frame and at least a movable fastening structure. Additionally, the fastening structure can be utilized to perform a fastening or un-fastening operation with high speed on a plurality of interface cards simultaneously in the computer chassis without using any screws. Thus, the disclosed fastening apparatus can reduce cost of assembly and repair of the computer, and also can reduce time for assembly and repair of the computer.

Abstract: An apparatus for a hydraulically locked accessory mounting device for attaching accessories to a boat, or vessel. The mounting device includes a base for attaching to the boat and a ball head that is attached to an accessory, which can be moved to a selected position and locked in that position by a hydraulic assembly. The hydraulic assembly includes a first piston moved by an operator. The first piston is in hydraulic communication with a second piston, which engages a shoe that locks the ball in position. In one embodiment, the hydraulic system includes a bleed valve connected to the channel between the first and second pistons. In one embodiment, the first piston is operated by a knob with a threaded shaft. In another embodiment, the first piston is operated by a cam on a shaft that is rotated with a lever or knob.

Abstract: An improved design of positioning mechanism, mountable to an upright, allows smooth, readily accomplished adjustment of the angular, rotational and translational positions of a boom with respect to the upright. A hub is mounted to and rotatable with respect to a base. A friction plate between the base and the hub applies frictional forces that are established by the mechanism, by urging the hub and base together. A pressure sleeve partially contained in a matching opening in the hub controls the rotational and longitudinal movement of the boom with respect to the hub. The design of the frictional engagement surfaces allows adjustment of the resistance to movement of the boom in the angular, rotational and translational directions to extend smoothly and predictably from a condition of virtually no resistance to a completely locked and rigid condition.

Abstract: A car lighter plug of quick disassembly includes a first body, a second body, a pivot, and a first quick-disassembly twist button. The first body has an elastic conducting post and several elastic conducting sheets. The rear end of the first body has a through hole. Several elastic sheet portions, each having a positioning body, are formed in the through hole. The periphery of the elastic sheet portions has a vacant space. The front end of the second body has a second pivotal seat. The pivot has a pivotal portion, positioning teeth, and a stop ring. The pivotal portion passes through the through hole and the pivotal seat. One end of the first quick-disassembly twist button has a cam portion. The first quick-disassembly twist button is pivotally connected at one end of the first pivot. The cam portion abuts against the first body. The positioning teeth engage the positioning bodies.

Abstract: A wrench includes a handle, a head having a pivotal portion, and a retaining mechanism for retaining the head in the desired angular position relative to the handle. The pivotal portion of the head includes a fore lug and a rear lug that are located with reference to a ratcheting direction of the handle. The handle has an engaging portion pivotally received in an opening between the lugs. Teeth are defined in an arcuate outer surface section of the fore lug. The thickness of the rear lug is not reduced, avoiding damage to the torque-bearing section in the pin hole of the rear lug.

Abstract: There is provided an articulating tool assembly for performing a mechanical task in a confined area, e.g., applying the torque to install or remove nuts threaded onto machine bolts or other hooks in confined or recessed areas. The articulating tool assembly has an elongated body portion having a handle section and a yoke section, a head portion including a head section and a head retaining section, and an actuation member defining an axle shaft with two spaced apart sprockets. The actuation member is provided for effectuating incremental articulating movements of the wrench head portion with respect to the elongated wrench body portion.

Abstract: An umbrella canopy orientating drive is applied to a large-sized umbrella. The umbrella has a central rod comprised of an upper section to which a canopy is attached and a lower section positionable on a fixed surface. The umbrella canopy orientating device includes a diverging portion having a skirt-like opening to receive the lower section of the central rod; a tube portion receiving the lower end of the upper section of the central rod; a pair of pin holes formed on the diverging portion; a pin hole formed through the upper end of the lower section; and a pin inserted through the pin holes of the diverging portion and the pin hole of the lower section to pivot the diverging portion and lower section, whereby the upper section and thus the canopy are allowed to rotate about the pivot pin with respect to the lower section between a neutral position and an inclined position to orientate the canopy in an inclined direction with respect to the lower section.

Abstract: A frame includes a plurality of L-shaped elbow members and tubes. Each elbow member includes two extension tubes and each extension tube has an open end and a hole is defined through a wall proximate to the open end. Each tube includes two open ends so as to be inserted into the open ends of the extension tubes of the elbow members. Each open end of each of the tubes has a hole defined through a wall proximate to the open ends. A C-shaped connection member is biased in the open end of each tube and has a protrusion which is inserted in the aligned holes of the tubes and the extension tubes.

Abstract: A pivotable tool includes a pair of pivotally interconnected arms disposed in a crossing relationship and having a manually releasable releasing device which locks the arms in a perpendicular open position for use of the tool as a wrench. In each of two ends of the two arms is mounted a socket. A collar is movably received between the two arms and is pushed to release a lock status by a releasing device.

Abstract: An automatic bending-angle changing structure for an umbrella including an upper and a lower sleeve, a pulley holding rod, a pulley set, a turning cylinder, a turner bracket, a hinge set and a reel, wherein: the pulley set is pin connected with the pulley holding rod which then is extended into the upper sleeve, the turning cylinder is fitted in the upper sleeve; the lower end of the pulley holding rod is slipped thereover with the turning cylinder and is pin connected with the upper end of the hinge set, the lower end of the hinge set is pin connected with the turning cylinder and the turner bracket, thereby a linkage is formed; the lower end of the turner bracket is slipped into the lower sleeve having thereon the reel; a fine rope is wound on the pulley set by means of the reel to move the turning cylinder and the turner bracket, thereby the umbrella can have variation in opening, collapsing and bending.

Abstract: A hold block for fastening a structural elevator component, such as a landing door sill, an overhead structure of a landing door opening or a car door sill, to a base. The hold block comprises a fixing element for fixing the hold block to the base and a supporting element, disposed at an angle relative to the fixing element, for attachment of the structural component to the hold block, both of the elements being made of the same continuous plate-like material. In addition, the hold block comprises an adjustment elbow between the fixing element and the supporting element to allow adjustment of the angle between the planes defined by the elements, and a locking element for locking this angle.

Abstract: A wiper arm for a pivotably connected wiper blade has a fastening part (10) for fastening to a drive shaft (12), by inserting the drive shaft through a widening indentation (38) of the fastening part (10), and a screw nut (44 tenses the fastening part (10) against a bearing face (30) to the drive shaft (12) via a clamping part (40, 50) that is adapted to the indentation (38), and also the contact face (66) between the clamping part (40, 50) and the fastening part (10) forms a part of the surface of a sphere, and the bearing face (30) forms a part of a jacket face of a cylinder, whose cylinder axis (32) extends through the center point (36) of the sphere and parallel to the longitudinal direction (34) of the wiper blade.

Abstract: A coupling apparatus for adjustably mounting modular tooling members having a base member releasably connectable to a slide mount wherein the base member is adjustably located along a predetermined linear path of travel defined by the slide mount. The base member is rotatably adjustable with respect to a midportion via a pair of matingly engaging contoured surfaces. The contoured surfaces are substantially circular having V-shaped teeth extending radially outward. The V-shaped teeth of the contoured surfaces matingly engage and are secured by fasteners to prevent any radial movement of the midportion with respect to the end member. The midportion may also be rotatably adjustable with respect to an end member along a second centerline axis. The midportion and the end member may be adjustably rotated through a pair of contoured surfaces substantially similar to that provided between the midportion and the base member. The end member provides an aperture for releasably connecting a boom rod to the end member.

Abstract: A device for blocking first and second components (1, 2) relative to one another may be provided with first and second parts (3, 4) capable of cooperating with one another in order to effect the blocking, the first part (3) being carried by the first component (1) and being provided with a duct (15) and the second part (4) being carried by the second component (2) and being provided with a blocking finger (24) capable of being introduced frictionally into the duct (15). The first part (3) may have a first pivot system (8) with a pivot (10) that can rotate relative to the first component (1); the duct may be formed by a diametral conduit (15) pierced in the pivot (10) of the first pivot system (8); and the second part (4) may include a second pivot system (23) with which the blocking finger (24) is integral so as to be capable of tilting relative to the second component (2).

Abstract: A toggle joint combination for extending a receptacle of automobile cigarette lighter and application thereof, wherein an insertion portion of this invention is plugged in the receptacle of automobile cigarette lighter; every extension portion may be extended by coupling with additional extension portions; the rear end of the last toggle is used to connect with various articles, such as a beverage rack, electric fan, illuminating ashtray, electric extension connector, map light, hold-free mobile phone set, etc, which can be adjusted at will. This invention comprises at least an insertion portion, a first extension portion, and a second extension portion, and, more than two extension portions can be combined if desired.

Abstract: A hook assembly for a vacuum cleaner handle which has a base member formed in the handle with a continuously internally walled extension defining an opening into which a continuously externally walled extension of a hook member can be inserted so that portions of the externally walled extension engage portions of the internally walled extension so that loads applied to the hook are transmitted to the handle through those surfaces. A spring normally biases the surfaces together, but can be manually overcome to rotate the hook for easy removal of the cord. A double hook arrangement is also provided to support a vacuum hose and an electrical cord with similar interengaging surfaces to transmit the load.

Abstract: Articulated part (1) for a stand (2) with an axially rotatable and vertically swivelable articulated arm (3), wherein the articulated part (1) has a pivot pin (6) which can be connected with a carrier (5) by a connection part (4), and wherein the articulated part (1) has a tilting joint (7) for the articulated arm (3), wherein it is provided according to the invention that the articulated part (1) is essentially formed of a one-part plastic injection-molded part (1.1), wherein the tilting joint (7) has two bearing disks (8) formed of sheet metal which have an opening (9) roughly in the center, wherein the bearing disks (8, 8) are embedded parallel to one another at a distance (A) in the plastic injection-molded part (1.1), wherein the openings (9) form a joint bearing (10) for the tilting joint (7).

Abstract: An angle-adjustable box end wrench, which includes a handle having a front coupling block and a transverse receiving open chamber, a box end pivoted to the front coupling block of the handle, the box end having two toothed portions disposed at two opposite sides of the front coupling block, a locking mechanism mounted in the transverse receiving open chamber and controlled to lock the box end, the locking mechanism including a long rod member and a short rod member longitudinally connected together and moved in and out of the receiving open chamber between the locking position and the unlocking position, the long rod member and the short rod member each having a toothed portion for engaging the toothed portions at the web area of the box end, a spring, which holds the long rod member and the short rod member in the locking position, and a screw threaded into a top screw hole on the handle and stopped at a flat shank portion at the long rod member to stop the long rod member from rotation.

Abstract: An implement-positioning apparatus used on an implement-towing vehicle such as a tractor includes a draft arm, a lift link, and a mechanism coupling the arm and the link together. The mechanism selectively permits floating arm movement (and therefore floating implement movement) relative to the link. In the improvement, the mechanism includes a clevis-like attachment member fixed on the link and having two arms, each with a slot extending therealong. A pivot-mounted selection member is coupled to the attachment member by a pin through the slots and moves between a first position engaging the attachment member and a second position away from the attachment member. When the selection member is in the second position, the pin is free to move along the slots and thereby permit the draft arm and the implement coupled thereto to "float" and, within limits set by the length of the slots, seek its own elevation under the urging of external forces.

Abstract: A hook assembly for a vacuum cleaner handle which has a base member formed in the handle with a continuously internally walled extension defining an opening into which a continuously externally walled extension of a hook member can be inserted so that portions of the externally walled extension engage portions of the internally walled extension so that loads applied to the hook are transmitted to the handle through those surfaces. A spring normally biases the surfaces together, but can be manually overcome to rotate the hook for easy removal of the cord. A double hook arrangement is also provided to support a vacuum hose and an electrical cord with similar interengaging surfaces to transmit the load.

Abstract: An articulated conduit joint (8) includes first and second arms (10, 12), defining first and second passages (106), pivotally coupled by a main clutched joint (14) for movement of the arms about a joint pin (78) defining a first axis (20). The main clutched joint includes a generally open central portion (70) located between first and second end portions (72, 74). Clutch plates (82, 84) in the first end portion are alternately keyed to the first end portion and the joint pin. A compression spring (100) within the second end portion biases the joint pin along the first axis and forces the clutch plates against one another. The first and second end portions are integral with the first and second arms so that relative pivotal movement of the arms about the first axis is frictionally resisted by the clutch plates sliding against one another. One or both of the arms may include a hollow arm extension (22) housed within an arm body (16) for movement about a second axis (24) passing along the passage within the arm.

Abstract: A multi-functional back brush includes a brush head having an upper portion provided with a strap, a front end formed with a first opening, a rear end formed with a second opening, an adjustable shaft having a first end engageable with the first and second openings of the brush head, an axle fitted through the center through hole of the adjustable shaft and having an end provided with a disk formed with a plurality of teeth engaged with a circular toothed recess of the adjustable shaft, a handle having a circular end engaged with the second end of the adjustable shaft, a toothed rack mounted on a bottom of the handle, an adjusting block movably engaged with the toothed rack, a T-shaped member fixedly mounted on the circular end of the handle and having a resilient blade engaged with radial partitions of adjustable shaft, a spring fitted within the circular end of the handle, an actuator arranged within the circular end of the handle, a cap threadedly engaged with the circular end of the handle, and a pushbutt

Abstract: A cycle seat is mounted to a cycle frame so that the seat will rotate in a horizontally-inclined plane on an upwardly-extending axis. The seat extends transversely on opposite sides of the axis of rotation and has a lobed structure in which a gently-rounded front is disposed between two rearwardly-extending wing-like portions. Structure is also provided to adjust the vertical inclination of the axis of rotation so as to vary the attitude of the seat relative to the cycle frame. The seat and associated mount allow the rider to sit more naturally, more comfortably, for longer periods of time.

Abstract: The present invention provides a pivoting joint that has two stable positions. The pivoting joint is comprised of two housing elements that can rotate co-axially with respect to one another. A spring, generally in the shape of a modified hairpin, is contained within the two housing elements. The two ends of the spring fit into holes in one housing element, and the closed end of the spring is held, substantially irrotatably, in the other housing element. The spring urges the two housing elements to one or the other rotational extreme with respect to one another.

Abstract: An articulated conduit joint (8) includes first and second arms (10, 12), defining first and second passages (106), pivotally coupled by a main clutched joint (14) for movement of the arms about a joint pin (78) defining a first axis (20). The main clutched joint includes a generally open central portion (70) located between first and second end portions (72, 74). Clutch plates (82, 84) in the first end portion are alternately keyed to the first end portion and the joint pin. A compression spring (100) within the second end portion biases the joint pin along the first axis and forces the clutch plates against one another. The first and second end portions are integral with the first and second arms so that relative pivotal movement of the arms about the first axis is frictionally resisted by the clutch plates sliding against one another. One or both of the arms may include a hollow arm extension (22) housed within an arm body (16) for movement about a second axis (24) passing along the passage within the arm.

Abstract: A pivot joint including a pivot bolt, which has an elongated flat mounting rod section at one end, a screw rod section at an opposite end, which has two longitudinal planes at two opposite sides, and a collar between in the middle, a mounting frame rotatable about the screw rod section, a lock nut in threaded engagement with the screw rod section, a first packing ring mounted around the screw rod section between the mounting frame and the collar, a second packing ring mounted around the screw rod section between the mounting frame and the lock nut, a locating ring mounted around the screw rod section between the second packing ring and the lock nut and rotatable by the pivot bolt relative to the mounting frame, reversed sets of disk-like spring rings mounted around the screw rod section between the locating ring and the lock nut, and a washer mounted around the screw rod section between the spring rings and the lock nut, wherein the second packing ring has a curved flange abutting the locating ring so that th

Abstract: A motor vehicle screen wiper comprises a screen wiper arm having a drive head fastened on an end portion of a motor shaft, which is part of a screen wiper drive unit. The motor shaft end portion comprises a conical portion which is received in a complementary through hole associated with the drive head, and which is extended by a threaded terminal shank on to which a fastening nut is screwed. The radial thrust face of the nut cooperates with a portion, in facing relationship with it, of the upper face of the drive head. The drive head comprises an orientation ring in which the conical through hole is formed, with one face of the orientation ring being formed with a set of ridges which cooperate with a complementary ridged engagement surface formed, in facing relationship with the ridged face of the orientation ring, on the body of the drive head. The body is formed with an oblong through hole through which the end portion of the motor shaft extends.

Abstract: A toothbrush assembly is disclosed which includes an articulating head portion for releasable supporting a brushhead, and which is configured to releasably mount a plurality of interchangeable dental accessory tools. A spring biased actuation member having a plurality of sprockets associated therewith is provided for effectuating incremental articulated movements of the brushhead supporting portion with respect to the handle of the toothbrush assembly to position the brushhead in a desired angular orientation.