Abstract: A head suitable to be supported by a tripod or a monopod includes a rotatable ball contained within a body defining a socket where the rotatable ball includes a shaft extending therefrom suitable to attach to a retainment structure to support a device thereon. A first movable member selectively increases and decreases the ability of the ball to freely rotate. A terminal end of the shaft includes a retainment structure that includes at least four angularly arranged “V” shaped members protruding from the terminal end, where each of the “V” shaped members extends over 90 percent of the distance from a central opening defined by the shaft and an exterior peripheral surface defined by the shaft.

Abstract: A tool holder for firmly holding a wide range of sizes and shapes of tool handles includes a holder handle, a cage assembly, a clamp, a locking coupling, and a threaded actuator. The cage assembly includes a pair of axially spaced apart supports having axially aligned through openings sized for receiving tool handles of different sizes and shapes. The clamp is transversely movable between the supports in opposite directions for releasably clamping the tool handle against the supports. The locking coupling is interposed between the holder handle and the cage assembly for selectively adjusting the angular orientation of the cage assembly relative to the holder handle. The threaded actuator is operable to lock or unlock the locking coupling for permitting or restricting adjustment of the angular orientation of the cage assembly relative to the holder handle.

Abstract: A two-position handle device for use with a wheeled intravenous bag holder having a vertical pole includes a collar slidably positionable upon the vertical pole. A first member extends from the collar, the first member having a tenon extending therefrom, while a second member connects to the first member, the second member having a tenon extending therefrom. A handle extends from the second member, wherein the handle is positionable between a first downwardly extending position and a second horizontally extending position. To lock the handle in the second position, a cylindrical sleeve slidably disposes over both the tenon of the second member and the tenon of the first member, thereby preventing pivotal movement of the second member relative to the first member, and locking the handle in the second horizontally extending position.

Abstract: An angle clip assembly includes a first guide. The first guide has a first guide surface. A first retainer is adapted to retain a first part of a flat flexible cable on the first guide surface. The angle clip assembly also includes a second guide. The second guide has a second guide surface. A second retainer is adapted to retain a second part of the flat flexible cable on the second guide surface. The second guide is rotatable relative to the first guide about a lock axis to one of a plurality of assembly angles. The angle clip assembly includes a radial lock. The radial lock prevents rotation of the first guide relative to the second guide.

Abstract: A stepwise and stepless adjustable square, including: a stock; a blade; a first alignment structure; a second alignment structure; a spring device; and a knob movable between a first position and a second position, wherein in the first position the first and second alignment structures at certain angles between the stock and the blade align and engage such that a force of the spring device is reduced compared to the force at angles where the first and second alignment structures do not align for stepwise adjustment, and wherein in the second position the second alignment structure is moved axially away from the first alignment structure, whereby the first and second alignment structures are separated from each other, and a first surface associated with the blade is brought into frictional engagement with a second surface associated with the stock for stepless adjustment.

Abstract: A tool for bending an elongated workpiece includes a shaft having a first shaft portion and a second shaft portion, and a coupling assembly coupling the first shaft portion and the second shaft portion. The coupling assembly has a locked configuration in which the coupling assembly inhibits movement of the first shaft portion relative to the second shaft portion and an unlocked configuration in which the coupling assembly permits movement of the first shaft portion relative to the second shaft portion. The tool also includes a shoe coupled to the second shaft portion. The shoe has a curved bottom portion and a hook configured to hold the workpiece against the curved bottom portion. The curved bottom portion is engageable with the workpiece to bend the workpiece.

Abstract: A stepwise and stepless adjustable square for use in carpentry, including: a stock; a blade; a first alignment structure; a second alignment structure; a spring device; a spring expansion-restricting element; and a knob movable between a first position and a second position, wherein in the first position the first and second alignment structures at certain angles between the stock and the blade align and engage such that a force of the spring device is reduced compared to the force at angles where the first and second alignment structures do not align for stepwise adjustment, and wherein in the second position the first alignment structure is moved axially away from the second alignment structure for stepless adjustment.

Abstract: A horizontal universal joint includes a first joint member and a second joint member. The first joint member is integrally formed by a frame insertion port and a female coupling port. The second joint member is integrally formed by a frame insertion port and a male coupling port. The female coupling port of the first joint member and the male coupling port of the second joint member are removably engaged via an elastic body. Teeth rows are formed at an inner peripheral surface of the female coupling port and an outer peripheral surface of the male coupling port meshing with one another. Depending on meshing positions of both teeth rows when the male coupling port is inserted into the female coupling port, the horizontal direction where the frame insertion port of the second joint member faces relative to the frame insertion port of the first joint member is changeable.

Abstract: A locking ring with a center axis for a rear view device includes one or more primary detents, a first set of secondary detents positioned on the one or more primary detents, and a second set of secondary detents arranged around the locking ring. A rear view device including the locking ring and a motor vehicle including the rearview device and the locking are also described.

Abstract: A locking ring with a center axis includes a first set of locking elements which extend radially from a first radial distance from the center axis of the locking ring to a second radial distance from the center axis, and which are arranged in a plurality of first groups including at least one locking element each, where the first groups are arranged in a circumferentially equidistant manner around the center axis, and a second set of locking elements, which extend radially from the first radial distance from the central axis to a third radial distance from the central axis, where the third radial distance is smaller than the second radial distance, and which are arranged in a plurality of second groups including at least one further locking element each. A rear view device for a vehicle and a motor vehicle with the rear view device are also described.

Abstract: A ladder hoop having a hoop shaped member with an inner facing surface, an outer facing surface, a top and a bottom. The hoop has two terminating ends forming an opening there between, and each terminating end is adapted to attach to a scaffold ladder. The hoop includes tabs supporting a member movable on the tabs between an open position and a closed position.

Abstract: A rod holder for musical instrument used for adjusting relative angles of two musical instrument rods, comprising two clamp sets clamping the two musical instrument rods and a connecting ring, respectively. Each clamp set comprises a fixed clamping block, a movable clamping block, a locking member and a cylindrical portion. One surface of the fixed clamping block and one surface of the movable clamping block which correspond to each other are respectively recessed inwardly and face to each other to form a clamping groove, and one side of the cylindrical portion opposite to the clamping groove is disposed with a circular disk. The connecting ring comprises two approximately circular grooves, and the two circular disks are respectively disposed in the two approximately circular grooves. The two circular disks rotate in the two approximately circular grooves to allow the two clamp sets capable of rotating relative to the connecting ring.

Abstract: A stem includes a stem body, one of the extremities of which includes element for attaching a handlebar, the opposite extremity including two parallel arms connected to a pivot tube by an articulation associated with clamping element which immobilize the stem in a chosen position. The clamping element includes a pair of frustoconical bodies connected to the extremities of the arms. The frustoconical bodies are received in housings of complementary shape. The frustoconical bodies are connected by a connecting element capable of moving them closer to one another in order to clamp them in the respective housing, and of loosening them by moving them further apart one from the other so as to allow the continuous adjustment of the inclination of the handlebar. The cone angle of the frustoconical bodies possesses a sufficiently low value to permit them to be pinched inside their housings.

Abstract: An adjustable socket system includes a distal portion and proximal portion. An axis extends between the distal and proximal portions. A plurality of struts are connected to the distal portion and distributed circumferentially about the axis. The struts at least in part define a receiving volume adapted to receive a residual limb and are movable between an expanded configuration in which at least some of the struts are moved radially outward relative to the axis to loosen the fit of the adjustable system, and a closed configuration in which at least some of the struts are moved radially inward relative to the expanded configuration to tighten the fit of the adjustable socket system. A tightening system is operatively connected to the struts and arranged to tighten and loosen the fit of the adjustable socket system on one or more areas of the residual limb.

Abstract: A standard (10) of a scaffolding system (1), comprising an elongate tubular wall (12), having a central longitudinal axis (Ls), and at least one supporting projection (14) that protrudes radially outwardly from said tubular wall (12). When the standard (10) is in a vertical orientation, the supporting projection (14), seen in a tangential direction (Ts) relative to the longitudinal axis (Ls), forms an annular supporting surface (16) that encircles the tubular wall (12) and that defines alternating elevations (18) and depressions (20). Also disclosed is a ledger (30) with ledger couplings (40) configured for cooperation with said standard (10).

Abstract: A rotary wrench includes a first wrench body, a second wrench body, and an elastic member. The first wrench body has a first grip whose one end has a pivot hole. The second wrench body has a second grip whose one end has a pivot axially extending outward. The pivot is rotatably received in the pivot hole of the first grip of the first wrench body, so that the first and second wrench bodies are allowed to rotate with respect to each other and provide adjustable working angles. The elastic member is mounted around the pivot of the second wrench body, and prop between the first grip of the first wrench body and the second grip of the second wrench body, for providing an elastic resistance that holds the first and second wrench bodies in position.

Abstract: A rotatable handle for a wrench includes a fixation rod, a first handle body, and a second handle body. An end of the first handle body is rotatably and axially movably sleeved onto to an end of the fixation rod, and the other end of the first handle body is adapted for being fixed with a wrench head. An end of the second handle body is rotatably and axially movably sleeved onto the other end of the fixation rod, and the other end of the second handle body is adapted for being fixed with another wrench head. Therefore, the relative angle between the two wrench heads can be adjusted appropriately by the relative rotation of the first handle body and the second handle body.

Abstract: A modular tooling apparatus includes a first coupler portion and a second coupler portion that are rotationally adjustable with respect to one another. A locking member has a bore that extends through the locking member, a third contoured surface, a widened portion of the bore that is located behind the third contoured surface and has a larger diameter than the third contoured surface, and a fourth contoured surface. The locking member is moveable to a locked position in which the third contoured surface of the locking member engages a first contoured surface of the first coupler portion and the fourth contoured surface of the locking member engages a second contoured surface of the second coupler portion to restrain the first coupler portion from rotating with respect to the second coupler portion.

Abstract: An adjustable mounting assembly has first and second mounting portions. The first mounting portion has an engagement arm with an adjustable end having first engagement teeth disposed about a first axis of rotation. The end portion has an adjustable second portion rotatable about the first axis of rotation, and having second engagement teeth that intermesh with the first engagement teeth to retain the second portion in an adjustable pan-position. The second portion has third engagement teeth disposed about a second axis of rotation angularly offset from the first axis of rotation. A second mounting portion is adjustably attached at an attachment portion to the first mounting portion, and the attachment portion has fourth engagement teeth disposed about the second axis of rotation that intermesh with the third engagement teeth to retain the second mounting portion is a selected tilt position.

Abstract: A multi-purpose external fixator (1) comprises at least one screw (2) to be implanted in a bone fragment (3) and a frame (7), in turn comprising at least one clamp (8) and at least one bar (9); the clamp (8) comprising a central body (11), in which a slot (12) is made for connection to the screw (2), an element (13) for locking the screw (2) in the slot (12) and a lever (14) for operating the locking element (13); the lever (14) is hinged to the central body (11) and can move away from and towards an end position for engagement of the locking element (13) and stable connection of the screw (2) to the slot (12); in the end position the lever (14) and the screw (2) are positioned in a T-shaped configuration relative to each other, in which the lever (14) forms a grip for implanting the screw (2) in the bone fragment.

Abstract: A lockable articulated joint comprises a first member having a ball shaped attachment further having a recess on its periphery. A rotationally symmetric conforming plunger is for movably nesting into the recess. A second member pivotally receives the ball shaped attachment and comprises a plunger holding portion. User alignment of the recess with the plunger holding portion allows configuring the joint in one of at least two selectable locked positions. The articulated joint is usable in a multi-axis articulated implement, in which one member is an elongated end effecter having a working face and the other member is an elongated handle portion. A user may configure the implement in various locked attitudes, wherein a working face's longitudinal axis extends parallel or perpendicular to the handle, or wherein the working face's normal axis extends parallel to the handle. The implement may be embodied into a multi-axis snow brush.

Abstract: A modular tooling apparatus includes a first coupler portion, a second coupler portion, a locking member, and a friction member. The first coupler portion and the second coupler portion are rotationally adjustable with respect to one another. The locking member is moveable to a locked position wherein the locking member engages the first coupler portion and the second coupler portion to restrain the first coupler portion from rotating with respect to the second coupler portion. The friction member engages the first coupler portion and the second coupler portion to resist rotation of the first coupler portion with respect to the second coupler portion when the locking member is not in the locked position.

Abstract: A wobble joint fitting for an adjustment device of a motor vehicle seat comprises a first fitting part, a toothed eccentric gear that has an eccentric hole and a collar, and an eccentric comprising a rotatable drive part, a control part and wedge segments, the control part comprising control surfaces that come to abut against the wedge surfaces. The fitting further comprises a second fitting part that is adjustable with respect to the first fitting part. A latching part is provided which has at least one latching tooth, biased only in an actuation position of the latching part into engagement with a latching recess, and having an actuating flank. The control part comprises an actuating portion which abuts against the actuating flank and, during a rotary movement of the control part, presses the latching tooth into abutment against the collar, and biases it into engagement into a latching recess.

Abstract: An adjusting device for a vehicle component includes a first fitting part arranged on an axis of rotation and a second fitting part arranged on the axis of rotation. The relative position of the first fitting part and the second fitting part with respect to each other is adjustable. The adjusting device also includes an eccentric arranged on and rotatable about the axis of rotation and a plurality of first rotating members arranged concentrically about the eccentric. The first rotating members are configured to roll along the first fitting part. The adjusting device further includes a plurality of subcomponents that each include a first fitting-part element of the first fitting part and a second fitting-part element of the second fitting part. The plurality of subcomponents are arranged substantially symmetrically with respect to a plane of symmetry that extends at right angles to the axis of rotation.

Abstract: Adjustable bracket apparatus includes connector apparatus for mounting and securing external assemblies on at least one elongated support member, and allows positional adjustment of the secured external assembly along the elongated support member with up to 360 degree rotational positioning of the bracketing assembly about the elongated support member. An adjustable connector and locking assembly is disposed at the end of an arm element embodiment of the adjustable bracketing assembly providing 360 degree rotational positioning of the external assembly about the arm element and translation transverse to the axis of rotation relative to the arm.

Abstract: A wobble joint fitting for an adjustment device of a motor vehicle seat, in particular for a seat back hinge fitting, comprises (a) a first fitting part comprising an internal ring gear, (b) a toothed eccentric gear that engages the internal ring gear and that has an eccentric hole, (c) an eccentric to which a rotatable drive part is associated and which comprises wedge segments, (d) a second fitting part that is adjustable with respect to the first fitting part, and (e) a wrap spring. The wrap spring is a flat open spring ring and extends over an angle of less than 360°. The eccentric gear comprises a collar for the spring ring to fit against.

Abstract: A hand tool with adjustable swing angle includes a first and a second ends connected with each other to contain an adjustable angle. The first end has an upper wall section having a first splined hole and a lower wall section having a through hole. An annular groove is formed on a circumferential wall of the through hole. The second end is formed with a second splined hole positioned between the first splined hole and the through hole. An engagement member having a bulged section is positioned in the splined holes. An elastic restriction ring is positioned in the annular groove and has at least two holding sections positioned in the through hole. When moving the engagement member up and down, the elastic restriction ring is expanded by the bulged section, permitting the engagement member to engage with both the first and second ends or only the second end.

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 adjustable food shield includes a panel mounting mechanism that enables extensive adjustability of the food shield. The food shield may include a post having a longitudinal axis, and a carrier coupled to the post, the carrier including a carrier clamping mechanism. The carrier clamping mechanism is loosenable to enable the carrier to be moved along at least a portion of the length of the post, and is also tightenable to fix the carrier at a certain location on the post. The mounting mechanism may also include a link having a proximal end pivotally coupled to the carrier. An arm may be pivotally coupled to the distal end of the link and extend from the link. The adjustable food shield may include a clear panel coupled to the arm such that the clear panel is movable to different positions by rotating the link, the arm, or both.

Abstract: A rotation control device for a tool is disposed between a handle and a tool head and includes two ratchet wheels, a spring and two C-shaped snap rings. The two ratchet wheels are symmetrically arranged. When pressed, the respective ratchet wheels will be subjected to the same force and move the same distance, thus making the engagement between the ratchet wheels and the tool head more assured, while avoiding the stuck fault and improving the convenience in use.

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 wobble joint fitting for an adjustment device of a motor vehicle seat, in particular for a seat back hinge fitting, comprises (a) a first fitting part comprising an internal ring gear, (b) a toothed eccentric gear that engages the internal ring gear and that has an eccentric hole, (c) an eccentric to which a rotatable drive part is associated and which comprises wedge segments, (d) a second fitting part that is adjustable with respect to the first fitting part, and (e) a wrap spring. The wrap spring is a flat open spring ring and extends over an angle of less than 360°. The eccentric gear comprises a collar for the spring ring to fit against.

Abstract: An adjustable food shield includes a panel mounting mechanism that enables extensive adjustability of the food shield. The food shield may include a post having a longitudinal axis, and a carrier coupled to the post, the carrier including a carrier clamping mechanism. The carrier clamping mechanism is loosenable to enable the carrier to be moved along at least a portion of the length of the post, and is also tightenable to fix the carrier at a certain location on the post. The mounting mechanism may also include a link having a proximal end pivotally coupled to the carrier. An arm may be pivotally coupled to the distal end of the link and extend from the link. The adjustable food shield may include a clear panel coupled to the arm such that the clear panel is movable to different positions by rotating the link, the arm, or both.

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 multi-axis coupling apparatus for adjustably mounting modular tooling members. The multi-axis coupling apparatus provides a first coupling member connectable to a substantially cylindrical boom for providing linear and rotational adjustment along and about a longitudinal axis of the cylindrical boom. A second coupling member is connected to the first coupling member and is connectable to a modular tooling member for providing adjustment to the modular tooling member about and along an axis extending at an angle to the longitudinal axis of the cylindrical boom.

Abstract: An umbrella holder includes a hollow tube for placing an umbrella handle. A fixing mechanism assembled is on the hollow tube and has a rotary button with a threaded rod screwed with a fixing block in the tube for tightening or releasing the umbrella handle, with a stop plate positioning the threaded rod of the rotary button. A first angle-adjusting mechanism is positioned under the hollow tube and has an immovable geared disk and a movable geared disk mounted on a rotary base and has an eccentric actuating member to engage or disengage the immovable and the movable geared disks. The holder also has a second angle-adjusting mechanism assembled under the first angle-adjusting mechanism and having an immovable geared disk with a fixed shaft and a movable geared disk disposed on a base having an eccentric actuating member for engaging or disengaging the immovable and the movable geared disks of the second angle-adjusting mechanism.

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: A hub shaft of a hub wheel for the mounting of a wheel thereon and an outer ring of a constant velocity joint are connected together. A first side surface spline is formed on an end surface of the hub shaft, and a second side surface spline is formed on an end surface of a side wall portion of the outer ring abutting against the end surface of the hub shaft, and the first and second side surface splines are meshed with each other to connect the hub shaft of the hub wheel and the outer ring of the constant velocity joint together in a torque-transmitting manner, each of the two side surface splines having a number of spline teeth. At least one of the spline teeth of at least one of the two side surface splines is removed to form a removal portion which forms a drain passage.

Abstract: The invention relates to a joint for movably connecting two stabilizing elements. The joint includes at least two joint segments, which can be rotated relative to each other. Each joint segment is connected to a respective stabilizing element. The joint can be releasably locked by locking means, and the locking means can be locked and/or unlocked by a fluid that is supplied and/or discharged via conduits.

Abstract: An exemplary support structure includes a support body, a connecting body, and a rear board. The connecting body is fixed on the support body. The rear board is rotatable relative to the support body. The rear board defines a through hole therein. The connecting body forms a latch protrusion. When the support body is located at a first position, the latch protrusion is capable of passing the through hole of the rear board. When the support body and the latch protrusion are located at opposite sides of the rear board, and the support body rotates past the first position, the latch protrusion resists the rear board and prevents the support body detaching from the rear board.

Abstract: An angularly adjustable coupler is provided having first and second ends that are in an angularly adjustable mating engagement. The first end has a longitudinal axis and a base with an optionally concave and serrated surface, and can comprise a collared clamp for connecting to a pylon. The second end has a longitudinal axis and a base with an optionally convex and serrated surface, and can comprise a receiver for connecting to a pyramidal adapter. The concave portion of the first end and the convex portion of the second end are complementary to each other. A connector is provided to connect the first and second ends in a selected angular alignment about a fixed axis of rotation. The range of angular alignment of the first and second components spans approximately 50 degrees about the fixed axis of rotation.

Abstract: What is described is a joint arrangement for the articulated connection of two segments of a patient bed, with two joint parts (36, 38), each of which is connected rigidly to one of the segments and which are pivotable relative to one another about a common joint axis (64) by means of a shaft journal (46), the joint parts (36, 38) carrying, in each case on at least one of their faces confronting one another axially, blocking faces (60) intended for bearing against one another, and the joint parts (36, 38) being capable of being tensioned axially relative to one another by means of a tensioning mechanism (46, 54, 50), and the blocking faces (60) lying in each case at least approximately in a plane containing the joint axis (64).

Abstract: A mirror assembly comprising a mounting bracket for attachment to a vehicle exterior; a first pivot plate on the mounting bracket having a concave upper surface with a series of grooves formed therein; a support arm pivotally carried on the first pivot plate of the mounting bracket; and, a second pivot plate carried by the support arm having a base surface with a plurality of protruding teeth engaging the grooves in the first pivot plate so that a pivot gap is defined between the upper surface of the first pivot plate and the base surface of second pivot plate; whereby the pivot gap allows the teeth to both pivot and slide in the grooves of the first pivot plate so that the support arm is pivotal in a multi-axis arrangement with the mounting bracket to accommodate misalignment between the mounting bracket and the support arm during installation on a vehicle.

Abstract: A tool positioning apparatus permitting tool adjustment in two planes, the apparatus generally including an articulating joint apparatus and a resistance thread mechanism for rotatably positioning a tool about a central axis. In one embodiment the joint includes two halves rotatable about a central axis. The two halves are positionable through use of a push-button release that disengages a gear member and permits movement of the two halves relative to each other. In one embodiment, a gear has teeth disposed on one surface, two opposing substantially straight sides, and two opposing substantially curved sides, with a triangular protrusion mounted on each of the gear's two straight portions. The thread resistance mechanism utilizes an elastomeric threading in a narrowing taper.

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: An apparatus for adjustably securing a boat accessory to a boat. A first member has a plug and a second member has a socket. The plug has a rosette shape with rounded protrusions and the socket has a corresponding mating shape. Both the plug and the socket have openings for a fastener to secure the plug in the socket. The first member is one of a mounting base and an accessory base, and the second member is the other one. In one embodiment, an extension is positioned adjacent the plug so as to separate the first and second members. In another embodiment, the extension has a plug on each end and the first and second members have sockets. In another such embodiment, the extension has two members joined with a rosette-shaped plug and socket.

Abstract: A indexable, lockable mechanism for a hand tool, and hand tools with such mechanism, the mechanism comprising a first member having a first splined orifice, a second member having an upper prong with a second splined orifice and a lower prong with a third splined orifice, and a splined pin assembly for insertion through said first, second and third orifices. The first member is positioned in a gap between the upper prong and the lower prong of the second member with the first splined orifice coaxially aligned with the second and third splined orifices of the second member. The splined pin assembly of either the first embodiment or the second embodiment is disposed in the three splined orifices and is axially movable between an unlocked position and a locked position. The splined pin assembly is allows a user to move the splined pin axially in the first and second orifices between the locked position and the unlocked position.

Abstract: An exemplary rotatable joint (100) includes a socket (10), a rotatable arm (20), and a connecting device (30) configured for being mounted in the socket. The connecting device includes a sub-socket (31), two elastic sleeves (33), and two pivot shafts (35) fixed to the socket. The sub-socket includes a first half (311) and a second half (312). A pivot hole (315, 316) is defined in each of the first half and the second half for engaging with an outer surface (331) of one of the elastic sleeves. An outer surface (351) of each of the pivot shafts engages with an inner surface (332) of one of the elastic sleeves. A through hole (317) is defined in the sub-socket for rotatably engaging with the rotatable arm. Each of the elastic sleeves abuts the rotatable arm.