Abstract: A paddle is for corporal discipline. The paddle includes a handle, and a paddle portion having a base, and an elongate flat member extending from the base. The elongate flat member is to be used for striking a subject to be disciplined in the corporal discipline. The paddle also includes a hinge device comprising a first arm coupled to the handle, a second arm coupled to the base, a pivoting hinge coupled between the first arm and the second arm and configured to switch the paddle portion between a locked state where the paddle portion and the handle are substantially parallel and a folded state where the paddle portion and the handle freely move, and a settable feature. The settable feature selectively changes a threshold pivoting force of the pivoting hinge for causing the paddle portion to switch from the locked state to the folded state.

Abstract: A quick release connector for coupling a removable device with a mounting surface. The mounting surface can include a wheelchair arm, and the removable device can include a user controller. The quick release connector can enable a user to briefly contact a release mechanism, rotate the removable device by a limited amount, and remove the device with a single hand. The quick release connector can robustly couple the removable device with the mounting surface, enabling the mounted removable device to resist dislodging by knocks and bumps.

Abstract: A clamping device (2) for fixing a medical device (1) on a support (3) comprises a body (20) having a first jaw (200), an adjustment element (21) connected to a second jaw (210) and being adjustable with respect to the body (20) along a longitudinal axis (L) to establish a clamp connection with a support (3) in between the first jaw (200) and the second jaw (210), and a locking mechanism (22) for locking the adjustment element (21) with respect to the body (20) in a longitudinal position.

Abstract: A bracket that includes a fixing seat and three supporting assemblies is provided. The fixing seat includes three engaging portions, each of which includes multiple first engaging structures. Each supporting assembly includes a fixing assembly, a sliding member, and an engaging member. One end of the fixing assembly is pivotally connected to the engaging portion. The sliding member is sleeved around an outer periphery of the fixing assembly. The engaging member is connected to the fixing assembly. When the sliding member slides relative to the fixing assembly, the sliding member can push against the engaging member, such that a second engaging structure of the engaging member is engaged with the first engaging structure. Further, a second retaining structure of the sliding member can be engaged with a first retaining structure of the fixing assembly for limiting a movement range of the engaging member and the fixing assembly.

Abstract: A stepwise adjustable square for use in carpentry, including: a stock; and a blade rotatable relative to the stock around an axis of rotation between a first extreme position at zero degrees, where the blade is parallel to the stock and partly provided in a space of the stock, and a second extreme position at about 270 degrees, where the blade is substantially perpendicular to the stock.

Abstract: A quick release connector for coupling a removable device with a mounting surface. The mounting surface can include a wheelchair arm, and the removable device can include a user controller. The quick release connector can enable a user to briefly contact a release mechanism, rotate the removable device by a limited amount, and remove the device with a single hand. The quick release connector can robustly couple the removable device with the mounting surface, enabling the mounted removable device to resist dislodging by knocks and bumps.

Abstract: An adjustable hand-held squeegee device with reverse angle head adjustment. An elongated handle can include either a single elongated member or any plurality of members configured in telescoping fashion. A head includes a rotatable base portion supported at a forward end of the handle. A spring biased locking mechanism is integrated into the handle in proximity to the rotatable base and includes a forward projection engaging a first recess of the rotatable base in a first position. Upon retracting the mechanism via a projecting trigger portion, the rotatable base is rotated to align a second circumferentially offset recess so that, and upon releasing the trigger, the squeegee head is oriented in a reverse angular fashion relative to the handle.

Abstract: A knob assembly includes a first housing with a sidewall extending from a base and a retention member inwardly extends from the sidewall. An operable second housing includes a selective stopper selectively movable between a first position and a second position relative to the retention member. The operable second housing is further axially operable between a compressed position and an extended position relative to the first housing, and the operable second housing includes a biasing member.

Abstract: A rotary joint for a lighting fixture includes: a first mounting member having a first housing; a second mounting member having a second housing and a positioning plate; a number of first metal connecting plates fixed to the first mounting member; a number of second metal connecting plates fixed to the second mounting member; and a shaft passing through the first housing, the second housing, the positioning plate, the first metal connecting plates, and the second metal connecting plates. The shaft rotatably connects the first mounting member to the second mounting member.

Abstract: A folding lock mechanism for furniture legs having a first connecting member arranged at an end portion of a first leg part and a second connecting member arranged at an end portion of a second leg part. The end portions of the leg parts are hingedly connected to each other such that the leg parts are arrangeable in a straight or a folded position. The first member includes a peg accommodated in a recess of the second leg part when the first and second leg parts are arranged in the straight position. The second member includes a spring biased pin arranged to be guided in a hole of the second leg part such that the pin can be engaged with the peg when the peg is accommodated in the recess of the second leg end part, thereby releasably locking the first and second leg parts in the straight position.

Abstract: This invention concerns an arrangement 1 intended to be used in a ventilation arrangement in order to hold and control an air channel 2. The arrangement 1 comprises a single arm construction 1.1 that is arranged along the outer surface 2A of the air channel. The arm construction 1.1 comprises two arm sections 3 and 4 arranged one after the other, a first joint 5 that unites a first arm part 3 with a fixture arrangement 6 that holds and maintains the basic position of the arm construction 1.1 and that makes possible different positioning, bending and stretching, of the arm construction 1.1 and the air channel 2, a second joint 7 that unites the first arm section 3 with the second arm section 4 and that makes possible different positioning, bending and stretching, of the arm construction 1.1 and the air channel 2. Each arm section 3 and 4 comprises an extended aluminum profile 8 and 9. The invention concerns also a ventilation arrangement comprising such an arrangement 1.

Abstract: A steering apparatus includes a first member which rotates together with an operation lever which is operated to rotate and a third member which is supported rotatably via a friction reducing mechanism by a second member which is restricted from rotating. A cam mechanism which brings a fixed side plate into press contact with a column side plate includes an axially facing surface which is provided on the first member and on which a cam surface is formed, an axially facing surface which is provided on the third member, rolling elements which are interposed between both the axially facing surfaces, and a retainer which holds the rolling elements and which is restricted from rotating by the second member.

Abstract: Disclosed is an intuitively operable rotation mechanism for a flip top table that includes an offsetting feature that provides aligned table legs when the table is in a use configuration while offsetting the legs when they are in a storage configuration. By offsetting the table legs in storage configuration, the height of the table legs can be more than one half of the length of the table. This feature is of particular importance for folding tables that are positioned at a standing height.

Abstract: A folding arrangement of a walk-behind power tool includes a hinge having a first hinge part and a second hinge part pivotally interconnected about a hinge axis, so as to enable pivoting of the hinge between a folded position and a closed position. The first hinge part has a first opening for passing through a cable harness. The second hinge part has a second opening for receiving the cable harness. The first and second openings are facing each other when the hinge is in the closed position. At least one of the first and second hinge parts has a protruding portion for directing the cable harness towards the first and second opening when the hinge pivots from the folded position to the closed position.

Abstract: A rotation joint and methods for rotationally coupling a swing tip assembly to a fluid-dynamic body are presented. A rotation plate configured to couple to the swing tip assembly comprises a slide ring comprising an open center, an upper slide surface, an inner slide surface, and a lower slide surface. An upper joint plate is slidably coupled to the upper slide surface and the inner slide surface is configured to couple the fluid-dynamic body. A lower joint plate is slidably coupled to the lower slide surface and the inner slide surface, and is coupled to the upper joint plate through the open center. The lower joint plate is configured to couple to the fluid-dynamic body.

Abstract: A table leg assembly includes an upright leg and two branch legs. The upright leg has two tubes longitudinally extended therefrom. Each tube has a joint member disposed in a lower end thereof. Each branch leg has a cylinder formed at one end thereof. The cylinder is coaxially aligned with the respective tube. The cylinder of the respective branch leg has a ring disposed on a top thereof. The ring has a plurality of positioning grooves defined in an inner periphery thereof. At least one positioning pin passing through the joint member and positioned in one of the positioning grooves of the respective ring so as to restrict the respective branch leg in a certain angle.

Abstract: A pivoting handle attachment for power tools is installed between a power tool and its side handle to provide a means for the side handle to fold into the body of the power tool for storage and ergonomics. Two cylindrical pivot halves have mating serrated faces that are releasably pressed against each other with a bolt and a nut. A threaded stud protruding from the first cylindrical pivot half screws into the existing handle hole in the power tool body, and the side handle screws into the second cylindrical pivot half. To adjust the angle of the handle, the nut is loosened, the handle is rotated to the desired position, and the nut is tightened again.

Abstract: A foldable bracket of a chair contains a positioning rod, a first rotating rod, a connector, a second rotating rod, and a supporting plate. The positioning rod is connected with the chair. The first rotating rod is rotatably coupled with the positioning rod. The connector is joined with the first rotating rod. The second rotating rod is rotatably coupled with the connector, and the supporting plate is connected to the second rotating rod.

Abstract: A pivot joint for a baby carrier for locking a baby carrier in an in-use configuration and convertible into a foldable condition, includes a first pivot part, a second pivot part, a locking mechanism, a release mechanism and a retaining mechanism. The first pivot part and the second pivot part are pivotally connected between a first support member and a second support member of the baby carrier. The locking mechanism comprises a latch element operatively mounted inside the first pivot part and can be driven to a latched position to engage with the second pivot part and a released position to disengage from the second pivot part. The release mechanism is associated with the latch element for moving the latch element from the latched position to the released position. The retaining mechanism is mounted inside the first pivot part for engaging and retaining the latch element in the released position.

Abstract: A paint brush has a handle and a paint brush head. The paint brush head is detachable from the paint brush handle. The paint brush head may be rotatable to a number of positions relative to the paint brush handle.

Abstract: A boardwalk system including a first component having a pre-formed recess and a second component having a pre-formed recess. The system further includes a connector configured to be positioned in the recesses of the first and second components to connect the first and second components such that the connector limits the movement of first component away from the second component.

Abstract: A broom comprises a head supporting bristles. A handle is connected to the head at a swivel joint where the swivel joint allows the handle to feely rotate relative to the head. A lock is movable to a locked position to fix the position of the handle relative to the head when the head is in a first position relative to the handle and an unlocked position where the head is free to rotate relative to the handle. A method of operating a broom comprises providing a head supporting bristles connected to a handle at a lockable swivel joint; locking the lockable swivel joint to fix the position of the handle relative to the head in a first position; and unlocking the lockable swivel joint to allow the handle to rotate relative to the head.

Abstract: A wear compensator for a pivoting detent joint comprising a carrier base having a bearing housing and a bearing ring disposed in an interior channel of the bearing housing. A pivot cylinder is carried in the interior channel bearing against the bearing ring. An inner cone slidably carried in a cylinder recess of the pivot cylinder. A biasing element forcing the inner cone into the cylinder recess to biases the cylinder wall against the bearing ring. A support arm pivotally mounted to the bearing housing including a lower pivot block receiving and supporting the pivot cylinder in the interior channel, and an upper pivot block having an arm detent ring engaging a base detent ring carried by the bearing housing. Accordingly, the pivot cylinder rotates on the bearing ring and the arm detent ring rotates on the base detent ring to adjust the position of the support arm.

Abstract: An exemplary mechanical joint system includes a joint, an arm, a plurality of teeth, an engaging member, and at least one latching member. The joint defines a pivot hole and a joint receiving hole communicating with the pivot hole. The arm is rotatable relative to the joint and includes a pivot portion and a pivot hole defined in the pivot portion. The pivot portion is received in the joint receiving hole. The engaging member includes a pivot shaft and a fixing member fixed relative to the pivot shaft. The plurality of teeth extends from an outer surface of the shaft portion of the pivot shaft. The latching member is mounted in the pivot hole of the pivot portion of the arm for engaging with the teeth.

Abstract: A mechanical joint system includes a joint, an arm, a plurality of teeth, and an engaging member. The joint defines a pivot hole and a joint receiving hole communicating with the pivot hole. The arm is rotatable relative to the joint. The arm includes a pivot portion and a pivot hole defined in the pivot portion, the pivot portion is received in the joint receiving hole. The teeth are formed on an inner surface adjacent to an end of the pivot hole. The engaging member is fixed to the joint. The engaging member includes a prong for engaging with the teeth.

Abstract: A paint brush has a handle and a paint brush head. The paint brush head is detachable from the paint brush handle. The paint brush head may be rotatable to a number of positions relative to the paint brush handle.

Abstract: A paint brush has a handle and a paint brush head. The paint brush head is detachable from the paint brush handle. The paint brush head may be rotatable to a number of positions relative to the paint brush handle.

Abstract: An exemplary mechanical joint system (100) includes a joint (10), an arm (20), a plurality of teeth (211), and an engaging member (3). The arm is rotatable relative to the joint. A pivot hole (210) is defined in the arm. The teeth are formed on an inner surface adjacent to an end of the pivot hole. The engaging member is fixed to the joint. The engaging member includes a prong (323) for engaging with the teeth.

Abstract: The present invention discloses a pivotal disc is pivotally coupled to a first brace and a second brace. The pivotal disc has a motion-limit member and a positioning member limiting the angle by which the second brace rotates with respect to the first brace with the pivotal disc being the axis and fixing the angle between the first and second braces. The present invention is characterized in that the motion-limit member uses a range-adjust member to push a slide block and determine the range that a block portion of the second brace is blocked by the slide block, and that the positioning member uses a switch knob actuates on end of a positioning rod to engage with or depart from a positioning notch on the pivotal disc, and that the pivotal disc has two limit elements to define the maximum movement range of the first brace and the second brace.

Abstract: A knee brace has push button actuatable stops, wherein the stops are biased outward into angular locking positions and inwardly directed pressure on the push buttons releases the stops and permits angular adjustment of the stops. A pair of catch plates with locking recesses facing inward, are provided, and outwardly biased locking pins engage the recesses in both catch plates. Each of the stop assemblies has an outwardly directed plate extending over the outer cover plate, and this plate is coupled to the physical stop member around the outer edge of the outer cover plate. The cover plate has angular indicia thereon, which may be viewed through windows in the outwardly extending plate portions of the stop assemblies.

Abstract: The present invention relates to an arrangement and to a method relating to a swing damper (1) for carrying a tool (5) that hands from a crane arm (2) or the like. The swing damper (1) includes an upper part (11) that is connected to the crane arm (2), and a lower part (12) that carries a working implement (5) or the like either directly or via a rotator (4), for instance. The upper part (11) and the lower part (12) are pivotally connected to one another via a pivot joint (13). The swing damper (1) also includes a brake arrangement (50). The brake arrangement (50) includes a brake unit (60) that has discs (70, 80) which are pivotal about the pivot shaft (14) of the swing joint (13), wherein at least one (70) of said discs is secured against rotation relative to the upper part (11), and wherein at least (80) of said discs is secured against rotation relative to said lower part (12).

Abstract: A knee brace is provided with push button actuatable stops, wherein the stops are biased outward into angular locking positions and inwardly directed pressure on the push buttons releases the stops and permits angular adjustment of the stops. A pair of catch plates with locking recesses facing inward, are provided, and outwardly biased locking pins engage the recesses in both catch plates. Each of the stop assemblies has an outwardly directed plate extending over the outer cover plate, and this plate is coupled to the physical stop member around the outer edge of the outer cover plate. The cover plate has angular indicia thereon, which may be viewed through windows in the outwardly extending plate portions of the stop assemblies.

Abstract: A stand for a display device, such as a flat-panel display, selectively accommodates mounting surfaces having disparate orientations with improved stability and durability, to facilitate viewing of the flat-panel display in either of at least two physical states of orientation as necessary or desired, specifically, with respect to both horizontal and vertical mounting surfaces.

Abstract: An apparatus is provided that may be used to movably connect a device to a support. The apparatus may be a mechanical arm with multiple connections that allows the device to move into various positions and orientations. The connections may include a coupling attached to a connection assembly that movably secures the coupling to an elongated member. Each of the connection assemblies may provide a pivot point which allows rotation upon a sufficient force and provide a mechanism for removably securing a coupling at desired increments. The device may be an instrument or fixture for dental or medical use, such as an operating room light, a dental examination light, a liquid crystal display (LCD), a mirror, delivery head, etc. The support may be attached to a surface such as a ceiling or floor.

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 dual action structural latch (10) is provided for securing hinged access doors to a frame. The latch (10) comprises a latching member (58) secured to the frame and defining a first aperture (60). A hook member (24) engages the latching member (58) to resist a tensile force when the latch (10) is in a closed position, and disengages the latching member (58) when the latch (10) is in the open position. A shear pin (36) extends so as to engage within the first aperture (60) to resist a shear force when the latch (10) is in the closed position and to disengage the first aperture (60) when the latch (10) is in the open position.

Abstract: A pivot arrangement between a mirror head and a mirror mounting bracket of a rear vision mirror for a motor vehicle which uses a disc spring with a negative spring rate over part of its travel. The disc spring has a height to thickness ratio of greater than ?2(1.414).

Abstract: A synchronously adjustable pivot has a function of balancing the torque and is provided between an outer receiving seat and an inner receiving seat. The pivot further includes an outer sleeve. One end of the outer sleeve is provided with a knob and an inner sleeve threadedly connected to the knob. Further, the other end of the outer sleeve is provided with a bolt. Elastic elements are provided at the outside of both ends of the outer sleeve. When the pivot provided with elastic elements is arranged into the inner receiving seat, a washer having high coefficient of friction is disposed between the outer receiving seat and the inner receiving seat. Finally, a bolt is used for fixation. With the above arrangement, when the degree of tightness between the outer receiving seat and the inner receiving seat is enhanced via the pivot, the large friction generated by the washer is used to balance the rotating torque on both ends of the pivot and keep the degree of tightness on both ends thereof equal.

Abstract: A folding frame for a tricycle, scooter or child's bicycle has a front frame part on which the front wheels can be mounted and a rear frame part on which the rear wheels can be mounted. A swivelling joint with a front articulated part is mounted on the front frame part and a rear articulated part is mounted on the rear frame part. The first of the two articulated parts has a first recess and the second of the two articulated parts has a second and third recess. The first recess and the second recess are in alignment in the use position of use and the first recess and the third recess are aligned in the folded position. The first articulated part and the second articulated part are locked against one another in the use position and in the folded position via a pin which can be moved in the recesses.

Abstract: A ratchet wrench includes a head having an engaging portion for mounting an object and a through hole which includes an engaging inner periphery and a smooth inner periphery, and is closed by a bottom plate with a central hole. A movable member is movably received in the second through hole and includes a driving section and a connection section. An operation portion includes a handle and a mounting portion which has a connection recess so as to be engaged with the connection section of the movable member. The driving section of the movable member is removably engaged with the engaging inner periphery. By moving the movable member relative to the mounting portion, the handle can be selectively rotated freely or co-rotated with the head.

Abstract: An accessory for connecting a portion of a first conduit to a portion of at least one second conduit or to another accessory, which accessory includes a base element and an end element including complementary engagement elements co-operating with one another to allow relative displacement between the end element and the base element between a position in which the end element is deployed relative to the base element, and a position in which the end element is retracted onto the base element. The accessory includes resilient return elements distinct from the complementary engagement elements and suitable for acting between the base element and the end element in order to return the end element into the deployed position.

Abstract: A folding frame for a tricycle, scooter or child's bicycle, with a front frame part on which the front wheels can be mounted at least indirectly, a rear frame part on which the rear wheels can be mounted, a swivelling joint with a front articulated part which is mounted on the front frame part, and with a rear articulated part which is mounted on the rear frame part, the first of the two articulated parts has a first recess and the second of the two articulated parts has a second recess and a third recess, the first recess and the second recess in the position of use of the frame are in alignment, and the first recess and the third recess in the folded position are in alignment, and the first articulated part and the second articulated part are locked against one another in the position of use and in the folded position via a pin which can be moved in the recesses.

Abstract: An apparatus for securing a modular component comprises a jointed cam arm including a first portion and a second portion pivotally connected to the first portion. A flexible member is included on the first portion. A pivot limiting catch is included on the second portion, the catch being operable to engage with the flexible member to position the first portion at an angle relative to the second portion. In response to a force applied to the first portion sufficient to flex the flexible member, the first portion is pivotable to reduce the relative angle with the second portion.

Abstract: An indexer for positioning a limb extension bar used with an examination table. The indexer permits a selective fixed position in the forward and backward directions and a selective fixed position with respect to rotational movement. The indexer consists of a housing and a translator that sits within the housing. A locking member sits within the translator. The locking member has meshing teeth that mate with a similar structure located on the housing to selectively fix the extension bar in a desired position.

Abstract: A collapsible skateboard includes an upright handle having lower portion on which is fixedly mounted a bracket, a connector having a curved slot having a lower end formed with a horizontal recess, an upper end formed with a vertical recess, and a circular hole under the vertical recess, an adjust pin inserted into the vertical recess of the connector and the elongated hole of the bracket, a pivot pin fitted through the circular hole of the connector and the circular hole of the bracket, a spring having an upper end connected to the adjust pin and a lower end to the pivot pin, and a platform on which is fixedly mounted the connector, whereby the skateboard can be easily folded up as desired.

Abstract: A pivot arrangement between a mirror head and a mirror mounting bracket of a rear vision mirror for a motor vehicle which uses a disc spring with a negative spring rate over part of its travel. The disc spring has a height to thickness ratio of greater than ?2(1.414).

Abstract: A third wheel collapsing device for a golf club cart includes a third wheel support frame having a U-shaped frame fixed pivotally with a third wheel and a hollow support arm fitted therein with a fit block. The support arm and the fit block respectively have insert holes and connecting holes. A support base assembled on the support arm has a pivotal shaft under the bottom and a threaded hole before the pivotal shaft for receiving an elastic lock member, which has an engage rod biased by a compression coil spring and controlled by a user. The support base has a fastening frame fixed with the lower end of the main frame of a golf club cart. When the engage rod is pulled and removed from the first insert hole of the support arm and the first connecting hole of the fit member, the third wheel support frame can be transversely collapsed.

Abstract: A trunking angle accessory for establishing continuity between two differently oriented lengths of trucking each including a base section having two lateral flanges with rims that are directed toward each other and include elements for fitting a length of cover section comprises two cheeks each adapted to establish a continuous wall between two lateral flanges of the two base sections. Each cheek carries a strip for establishing a continuous wall between the rims of two lateral flanges of the two base sections. The band of each cheek includes elements for fitting a length of cover section which extend along a circular arc of given radius of curvature.

Abstract: The mechanism includes two discoidal parts, including a ratchet and crown mounted on an unattached axle, each of their opposing faces with cogged sections. The positioning of the ratchet on the axle allows it to move axially to facilitate the separation of the teeth. The separation of the teeth is carried out by a separator element that is set up between the ratchet and crown, the ratchet being able to be manually operated to carry out the separation. The ratchet is required to activate the position of engagement with the crown by means of a spring that is supported by an external disk that in turn presses on a limit plate pierced by the axle and mounted on the ratchet.

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.