Abstract: A hinge for circumrotatory location includes a base, a locating gasket defining a pair of recesses thereon, a top cover defining a third groove in a bottom thereof. The base has a first groove, a second groove above the first groove. A retention slot connects the second groove and has two retention edges. A stop block is rotatably mounted in the retention slot and stretches into the second groove. The retention edges are capable of stopping the stop block. A pair of locating slots corresponding to the recesses are centrosymmetrically defined in the fundus of the third groove. A protrusion protrudes from the bottom of the top cover and adjacent to the third groove. The top cover lies above the locating gasket which is fitted to the first groove. The protrusion rotates around the second groove and is capable of being against two sides of the stop block.

Abstract: A rotational supporting mechanism, which supports a main body and a cover, includes an eccentric cam. The main body and the cover are superposed in a closed position. From the closed position, the cover is rotated 180 degrees and stopped at a 180-degree rotational position in an open position. The eccentric cam rotates eccentrically. The pressing means presses a cam surface of the eccentric cam in a direction of a line connecting a portion of the eccentric cam corresponding to the closed position and a portion of the eccentric cam corresponding to the open position when the main body and the cover are superposed in the closed position. Rotation of the cam is stopped in the open position and the closed position.

Abstract: An articulated-arm arrangement for plumbing fixtures, for example, a shower head, contains a mounting fixture that may be fastened to a wall. A pivot joint for a wall-mounting arm that may be pivoted about a horizontal axis is accommodated within the mounting fixture. The pivot joint contains a brake for locking the wall-mounting arm in place and a slip-clutch in order to allow pivoting the wall-mounting arm upwards, against the action of its own weight, without releasing the brake from its braking setting.

Abstract: A locking positioning mechanism includes a first element and a second element, the first element and second element rotatable relative to one another about a common rotational axis between a locked orientation and an unlocked orientation and axially translatable relative to one another. The mechanism further includes one or more first locking surfaces of the first element and one or more second locking surfaces of the second element. The second locking surfaces are configured to clear the first locking surfaces in the unlocked orientation. The second locking surface is configured for an interference fit with a first locking surface in the locked orientation.

Abstract: A pivoting assembly of a hand tool comprising a tool body, the tool body including a driving portion, a handle and a pivotal portion; the pivotal portion having a first pivoted end and a second pivoted end; the first pivoted end being installed to one of the handle and driving portion; and the second pivoted end being installed to the other one of the handle and driving portion so that an angle between the handle and driving portion is adjustable. The first pivoted end is formed with a buckling hole; a tooth portion is formed in the buckling hole; the second pivoted end is formed with a post; the post is axially moveable with respect to the tooth portion of the buckling hole; and a bottom of the post is formed with teeth with respect to the tooth portion of the buckling hole.

Abstract: The tilt mechanism has a pair of tubular members and a catch which is fixedly mounted in the upper member and pivotally mounted in the lower member to permit tilting of the two members relative to each other. A pin is mounted in the lower member and is biased into one of several recesses in the lower end of the catch in order to hold the sections in either an upright or a tilted position relative to each other. A coil spring is used to bias the pin into a recess of the catch. Pulling down on the pin allows the tubular members to be tilted relative to each other.

Abstract: An articulated joint for a foldable ladder includes an outer casing pair, an inner casing pair pivotally moving with respect to the outer casing pair, a lock device composed of a lock block and a locating pin. The locating pin has a ball end to be slightly squeezed in the locating hole such that the ball end is capable of retained in the locating hole and pivotally joined to the locating hole. The lock block provides triangular prism shaped projections at two opposite long edges of the bottom side of the lock block. Hence, the lock block can move along the guide slot of the outer casing shells steadily and be pivotally joined to fixing pin without loosening apart from each other.

Abstract: A ratcheting tool including a handle formed with an integral yoke at a first end and a tool head coupled to the yoke at a pivot. The tool head has a toothed hub facing rearwardly of the pivot and into the yoke. A locking spool is rotatably carried in the yoke adjacent the toothed hub. The locking spool has a first face, a second face, and a first tooth extending along both the first face and the second face and engaging the toothed hub. The locking spool is rotatable between a first position in which the first face is adjacent the toothed hub, thereby locking the tool head in a selected angular position with respect to the handle, and a second position in which the second face is adjacent the toothed hub such that the tool head is pivotable about the pivot.

Abstract: A rotating bracket device made by assembling two components 101 “(101)” and 201 “(101)” for connecting and supporting structural framing members. A rotating bracket device that is comprised of two or more components which are capable of rotating about an axis to connect and support structural framing members having the same or different angle relationships. A rotating bracket device which can be but is not limited to use in the construction of roof systems, connecting walls to trusses, connecting walls to joists, and walls to rafters. The rotating bracket is preferably constructed of two pieces of metal 101 and 201, each of which has two portions that are bent at right angles to a connecting surface of each to form a stirrup, U-shape, or flange forming opposed flanges which are parallel to each other and perpendicular to the connecting surface. One of the components of the rotating bracket has flanges which are bent closer to each other than the flanges of the other component.

Abstract: A hinge for a folding ladder including a hinge latch movable between a locked position and an unlocked position disposed within a hinge latch cavity. The hinge latch includes a first locking portion protruding therefrom, an elongated slot formed configured to slidingly receive a hinge shaft, a first opening configured to receive a first biasing member, and a second opening configured to receive a locking member. Rotational movement of one hinge casing relative to another hinge casing is prevented by engagement of the first locking portion and locking member with a respective one of the first opening and second opening.

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: A hand tool with a swinging structure, including a head section, a handle connected with the head section via at least one swinging joint and a shift button and a resilient unit disposed at the swinging joint. The swinging joint is composed of a first pivot end and a second pivot end pivotally connected with each other. The second pivot end includes a first and a second lugs and a base section connected therebetween. A stopper section is disposed on the base section. A stopper block is formed on an inner face of the shift button. The shift button is transversely and back and forth movably positioned between the two pivot ends. The resilient unit serves to resiliently push the shift button toward the first pivot end, whereby a front end of the shift button keeps engaged with the first pivot end. When the shift button is transversely shifted to a disengaged position, the stopper section will not interfere with the stopper block, permitting the swinging joint to swing.

Abstract: An umbrella assembly comprising a base, a pole mounted on the base extending upwardly and outwardly from the base, a carriage slidably mounted on the pole, and an umbrella frame including an adapter releasably engagable with the carriage. A handle is rotatably mounted on the pole, and a cable is coupled at one end to the handle and coupled at another end to the umbrella frame such that by rotating the handle, the cable is retracted and the umbrella is opened, and by rotating the handle in the opposite direction, the cable is released, the umbrella is collapsed, and the carriage is slidable along the pole. The cable is coupled to the adapter such that the adapter may be releasably secured to the umbrella frame to allow the umbrella frame to be tilted and secured in an inclined position.

Abstract: A wrench includes a box end head with a protrusion extending therefrom and the protrusion has an inclined surface defined in a distal end thereof and a first engaging area defined in a part of the inclined surface. The protrusion is pivotably connected to the handle which has a transverse hole and a control member is movably received in the transverse hole along a longitudinal direction of the transverse hole. The control member has a second engaging area removably engaged with the first engaging area along the longitudinal direction of the transverse hole. The head can be pivoted relative to the handle when the second engaging area is moved away from the first engaging area by pushing the control member.

Abstract: A restraint mechanism for a set of handcuffs, the handcuffs including a pair of openable bracelet sections, each of the bracelet sections including a locking mechanism for opening and closing a bracelet section. The bracelet sections are tethered together by a linkage that includes a restraint mechanism that permits a bracelet section to be rotated about an axis extending through the linkage and the bracelet sections so as to rotate said bracelet section in a first rotational direction to a predetermined angular position, but in which the bracelet section is prevented from movement in a second reverse rotational direction once the predetermined angular position has been achieved.

Abstract: The collapsible stroller uses a rear support bracket of a canvas bracket set as the main folding structure. The support bracket is fixedly connected to a rear rim section of the canopy and has two ends connecting to one end of a linkage member to drive the linkage member to fold the stroller frame. The stroller of the invention can be folded single-handedly to prevent accidental collapsing of the stroller while the stroller is moved and to avoid incidental risks.

Abstract: A stroller includes two rear upright tubes and two assist tubes which are respectively connected to the rear upright tubes in parallel by two joint members. At least one folding assembly is connected between the two upright tubes. The rear upright tubes and the two assist tubes reinforce the structure of the stroller. Two adjusting members are mounted to the rear leg tubes and a handle is biased by torsion springs and a pin connected to the handle extends through the adjusting member so as to engage a notch defined in the rear leg tube. A backrest is pivotably connected to the adjusting members which is positioned by engaging the pin with the notch in the rear leg tubes so that the backrest can be leaned in a stable status.

Abstract: An inner-lock foldable joint has two base plates. One side of each base plate is articulated with the other base plate by way of a hinge. When a user rotates a lever to lock the two base plates, a braking mechanism drives a latching block to move forward, and two flanges of the latching block are inserted into a groove within a depression on one or both of the base plates.

Abstract: An articulation mechanism has a central part and a head part each made of a pair of shaped elements. The pairs of shaped elements form inner and outer shells. The inner shells are positioned inside the outer shells. The pairs of shaped elements are pivotable relative to one another and lockable relative to one another in several positions in one pivot direction. The outer shells have inwardly oriented projections and the inner shells have openings. A slide is moveably arranged inside the inner shells. The slide has locking members projecting through the openings of the inner shells and engaging intermediate spaces of the projections. A spring acts on the slide in an engagement direction of the locking members relative to the projections. The projections are shaped such that the locking members automatically reach a locking position in a first pivot direction of the head part.

Abstract: An easel board support is installed on an easel supporting leg for suspending and supporting objects and the height thereof is adjustable. The easel board support comprises a sleeve and a board support body. The sleeve is capable of being inserted by an easel supporting leg and have two pivotal ears each having through hole. A part of the sleeve at an inner side of the pivotal ear has a slot. An elastic press is formed between the two slots. By a large contact surface between the press piece and the supporting leg, the board support is positioned stably; and by the resisting effect between a resisting block and the sleeve, the board support will not fall downwards. The press can be replaced by a receiving groove formed between the two pivotal ears and a cambered pressing block installed in the receiving groove.

Abstract: A hinge for foldable ladders comprises a first joint member (10) with main discs (13, 14), a second joint member (20) with a sub discs (23), a locking device (30) having a button (32), connecting pin (31), coil spring (34), rectangular locking block (33) and a press locking control device (60) for controlling to latch or unlatch the locking device (30). The first and second joint members (10, 20) are combined together through a common axis of a center shaft (50). The sub disc (23) of the second joint member (20) is inserted between a pair of parallel spaced main discs (13, 14) of the first joint member (10). The main discs (13, 14) have the slot openings (13a, 13c) for inserting the locking device (30). A first and second protruded arcuate stoppers (15, 25) are disposed on the surface of the discs (14, 23) for matching each other. A plurality of detents (28) is formed around periphery of the sub disc (23).

Abstract: A detent mechanism including a ball bearing is used in a motorcycle kickstand and motorcycle foot pegs. A spring is placed in a cavity of a leg of the kickstand or a leg of the foot peg. A ball bearing is placed in contact with the spring. A bracket with two depressions is placed in contact with ball bearing, with one depression surrounding the ball bearing. The bracket is rotatably secured to the leg. When a user kicks or otherwise rotates the leg with a sufficient force, the ball bearing can move from one depression to another depression. The leg of the kickstand can be moved to a down position to support the motorcycle against the ground. The legs of the foot pegs can be moved to an out position to provide support for a motorcycle rider's feet.

Abstract: An adjustable inclined angle structure of a computer. It mainly uses a pair of rotating disks to adjust and fix the inclined angle of a computer when it is installed. One of rotating disks use a handlebar with spring pin to buckle up with dividing holes of the rotating disk to fix the inclined angle. Another rotating disk has a long hole corresponding to an anchor element to limit a starting point and an end point of inclined angle travel caused by the above-mentioned dividing holes so that it can be used to adjust the inclined angle of computer, and avoid falling down due to an over-adjustment.

Abstract: A joint for an articulated ladder comprises two outer casing parts, two inner casing parts, an arched lock piece, and an extension spring. The inner casing parts pivotally engages with the outer casing parts and the arched lock piece is located in the inner casing parts. The spring has one hook end thereof engaging with the locating tab of one of the inner casing parts. The arched lock piece is an integral piece providing with two parallel arched parts spacing apart from each other. Each of the parallel arched parts further provides three short posts extending outward from a facial side thereof to be slidably received in the three arched openings on the inner casing parts respectively. A hook tongue extends outward from one of the flat connecting parts to engage with the other hook end of the spring.

Abstract: A folding chair has a seat, a first leg, a second leg, a first rod connected to the first leg and the second leg, a second rod connected to the first leg and the second leg, and a folding device. The folding device has a first joint and a second joint. The first joint has a guide channel, a circular aperture, and a slant round hole for receiving the first rod. The second joint has a post inserted in the guide channel, a hollow protruded block inserted in the circular aperture of the first joint, a round through aperture, and a slant circular hole for receiving the second rod. A bolt passes through the round through aperture of the second joint and the circular aperture of the first joint. A nut engages with the bolt.

Abstract: Joints for joining together limb members of mannequins and forms, and methods of assembly of joints and mannequins are provided. The joints and mannequins of this invention provide natural anatomical shape and ease of assembly. This is accomplished using one or more assembly fixtures, located within or on a limb member to be joined, that contain elements of a locking mechanism to hold the limbs together and other elements for creating tension or friction between joined limb members. The assembly fixtures also comprise a disc (or tab) that provides a natural appearance to the joint and allows for ease of assembly.

Abstract: A direction changing device for a stroller handle includes two control elements each slidably connected to first elongated holes of one of the lateral tubes of the handle, locking elements slidably connected to second elongated holes of the lateral tubes, moving elements received in the tubes and connected to both the control elements and the locking elements, springs each connected to both a pin and a corresponding one of the locking elements for biasing the same downwards, and front and rear positioning members formed on the front portions and the rear portions of the main frame of the stroller respectively. The tubes are pivoted to the frame from lower ends and connected to a handle part from upper ends. The locking elements can engage the positioning members to lock the handle in position.

Abstract: A rod bending mechanism is disposed between a first segment and a second segment of the rod and is formed of a pivoting plate extending from one end of the first segment, a pivoting seat having two side plates extending from one end of the second segment, and at least one locating member disposed on one of the two side plates. The pivoting plate is pivoted with the pivoting seat such that the pivoting plate and the pivoting seat are located by the locating member.

Abstract: A snap-fit sensing apparatus (20) for use in automotive applications including a housing (22) having a pair of flexible arms (30), a top portion (24), and a bottom portion (26), the flexible arms (30) extending from the top portion (24) to the bottom portion (26), at least one of the flexible arms (30) comprises a locking flange (32). The sensing apparatus (20) also includes a retaining mechanism (40) fixedly connected with the top portion (24), the retaining mechanism (40) securing the sensing apparatus (20) in place. In one preferred embodiment, the sensing apparatus (20) further comprises a sensor (50) located within the housing (22) for sensing one of temperature and pressure. In one preferred embodiment, the flexible arms (30) are connected with the top portion (24) and the bottom portion (26).

Abstract: A collapsible stroller having simplified components is provided. Each sub-frame is substantially a triangle having a latch mounted on a third side and a cooperating mechanism. The third side tube is foldable at the latch, thus causing a second side tube to fold toward the first side tube. It is possible to obtain a flat collapsed stroller by a simple collapsing operation.

Abstract: A baby stroller having a switchable handle, a tray accessory, and an attachment device for attaching the tray accessory to the handle.

Abstract: A tilt device for a sunshade comprises an upper sleeve having an upper end securely connected to an upper end of an upper support tube of a sunshade and a lower sleeve having a lower end securely connected to a lower end of a lower support tube of the sunshade. A lower end of the upper sleeve comprises several positioning grooves. The lower end of the upper sleeve is pivotally connected to the upper end of the lower sleeve. A push member is biased to selectively engage with one of the positioning grooves of the upper sleeve. The push member moves downward and inward when it is pushed inward.

Abstract: A foldable control lever for use with a riding mower comprising a main lever tube having a lower end, an upright section and a grip portion. An upper weldment is affixed to the lower end of the main lever tube. The upper weldment comprises a support flange and a plurality of outwardly projecting ears. A lower weldment connected to the mower drive unit is adapted to receive the lower end of the main lever tube. The lower weldment comprises a receiver flange having a plurality of notches spaced about the circumference of the flange. The notches are configured so as to engage the outwardly projecting ears of the upper weldment. When the outwardly projecting ears are engaged with the notches, the main lever tube is prevented from rotating relative to the lower weldment. When the outwardly projecting ears are not engaged with the notches, the main lever tube can be rotated downward and on to the top of the mower.

Abstract: A hinge on a ladder comprises outer casing pair, inner casing pair, a fixing plate with a shaft and three lock pins, a central rivet pin, and a button knob. The outer casing pair and the inner casing pair are pivotally engaged to each other in such a way that the circular plate portions on the casing pairs facially contact with one another. When the locating holes on the outer casing pair align with three specific ones of nine locating holes on the inner casing pair, the three lock pins are pushed toward the outer casing pair and to pass through the aligned locating holes and perform a locking position. When the button knob is pressed toward the outer casing pair against the restoring force of the spring, the three lock pins move away the locating holes. Therefore, the elongated projection ends of the three lock pins fit with the elongated slots on a half piece of outer casing pair to perform an unlocked position.

Abstract: A joint or articulation (1), especially for connecting sidepieces of a multi-purpose ladder that can be folded up, has two joint legs (2, 3) that are pivotable relative to one another about a joint shaft (4). One of the joint legs (2) forms an outer joint portion having outer shells (7) and a joint connector (8), while the other joint leg (3) is embodied as an inner joint portion having inner disks (9) and joint connectors (10). A spring-loaded locking member (24) is movable essentially radially or tangentially relative to the joint shaft (4) and is engageable in at least one recessed portion (42) of one joint leg (2). In order to achieve a simpler construction of the joint or articulation (1), recessed portions (12) are provided in the inner disk (9), whereby the locking member (24) extends transverse to the plane of the inner disk through the recessed portions (12). The locking member (24) cooperates with a lever (20) that is pivotable about a journal (19) that is spaced from the joint shaft (4).

Abstract: An adjustable squaring tool for measuring and marking angles includes a pivot arm pivotally coupled between first and second sections of a main member. The pivot arm having a graduated arcuate measurement arm extending from the pivot arm through a channel in the main member. The pivot arm having a cylinder coupled to an end of the pivot arm. The main member includes a drum passing through the cylinder. The cylinder has a plurality of radially spaced apertures corresponding to the gradations of the measurement arm. The drum includes at least one spring biased bearing positioned for engaging apertures in the cylinder as the cylinder rotates around the drum. A locking assembly is provided for clamping the pivot arm between the first and second sections of the main member to lock the pivot arm relative to the main member. In an embodiment the apertures are spaced for adjusting the tool in one degree increments between 10 degrees and 90 degrees.

Abstract: An adjustable attachment device for mounting an accessory, such as a bicycle, ski, or cargo rack, to a frame, such as an automobile roof rack. The device includes an elongate pin rotatably mounted across an aperture in a housing to which one end of a strap is attached, the pin having a shaft about which the strap is wound. A collar having a ratcheted perimeter is coupled to the pin. A capsule, having a cavity therein for receiving the collar, is attached to the housing, the capsule including teeth therein for engaging the ratcheted perimeter of the collar. A tool may be directed through an opening in the capsule into the cavity to direct the collar axially for disengaging the ratcheted perimeter from the teeth and to rotate the collar and pin.

Abstract: A stroller with three wheels includes a support frame, and a linking device. The support frame includes two front support stands, two rear support stands, and a U-shaped push handle having two lower ends each provided with a connecting rod.

Abstract: A cam style hub and strut system for use in single panel fabric, cloth, or plastic units, or structures with an unlimited number of wall and/or roof panels. The purpose of the cam style hub is to compensate for certain fabric characteristics and to allow easier setup of structures containing flexible or rigid support struts connected to a central hub by lessening the distance of the diametrically opposing struts during assembly, and applying the force necessary to engage the self-supporting structure by engaging the cam, increasing the distance between the ends of the opposing struts. The amount the distance is increased can be dictated by materials used and the size of the panel. The hub may contain an optional “locking” feature activated when the hub cam is engaged for convenience and safety reasons. The principle can be used with any number of struts greater than one.

Abstract: A coupling apparatus for adjustably mounting modular tooling members having a base member releasably connectable to a slide mount wherein said base member is adjustably located along a predetermined 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. In a preferred embodiment, the midportion may also be rotatably adjustable with respect to an end member along a second rotational 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. In an alternative embodiment, the midportion is integrally connected to the end member wherein the end member provides an aperture for matingly engaging a first spline rod. The first spline rod may be rotatably adjusted about a second rotational axis.

Abstract: The locking joint mechanism disclosed in U.S. Pat. No. 5,588,767 is improved by including elements that prevent roll of one joint member relative to another joint member. The roll preventing elements include at least one actuator head or pin spaced from another actuator head or pin and which is received in a concavity defined between adjacent protuberances. Various protuberance patterns and overall operating mechanisms are also disclosed.

Abstract: The splined shaft is locked in the splined seat of the fork by means of a push-button immobilizing element (31) designed to engage tangentially in the said annular recess; the immobilizing element (31) is accommodated in a housing (29) formed in the base (23) of the fork and is stressed elastically by a spring (33) in the immobilizing position, in which it projects, so that it can be pressed manually in order to unlock it; around the said housing (29), the base (23) of the fork has an enlarged portion (27) in which a cavity (37) is formed, within which the push-button (31A) of the immobilizing element projects when it is in the immobilizing position, while still remaining enclosed within the said cavity (37).

Abstract: A ratchet wrench is provided with an angle adjusting device having drive head, a handle, and a button. The drive head is provided at one end thereof with a pivoting end. The handle is provided at one end thereof with two pivoting lugs for fastening the pivoting end of the drive head. The handle is further provided at one end thereof with a receiving slot for receiving the button in conjunction with a spring and a steel ball. The button is provided with an eccentric slot for receiving the spring, a notch corresponding in location to the ball-locating slots of the pivoting end of the drive head, and an inclined plane. The button is urged by the spring such that the steel ball is forced by the inclined plane of the button to locate in one of the ball-locating slots of the pivoting end of the drive head. As the button is pressed, the steel ball is located in the notch of the button to enable the drive head to be adjusted angularly in relation to the handle.

Abstract: A guitar holder device has a U-shaped hanger, an L-shaped rod disposed on the U-shaped hanger, a holder joint disposed on an end of the L-shaped rod, a disk inserted in the holder joint pivotally, and a U-shaped bar connected to the disk. A bolt fastens the disk in the holder joint. The holder joint has a U-shaped main body, a positioning through hole formed on the U-shaped main body, an oblong through hole formed on the U-shaped main body, a rivet passing through the oblong through hole and a washer, and a bolt passing through the positioning through hole, the disk, and a nut.

Abstract: A foldable spade includes an elongated handle with front and rear end portions opposite to each other in a longitudinal direction, and a biasing member which is disposed proximate to the front end portion, and a blade member with a blade surface wall. A front engaging member is connected to a proximate end of the blade member, and is journalled on the front end portion of the handle about a pivot transverse to the longitudinal direction so as to be rotated between a first position, where the blade surface wall extends forward from the front engaging member along the longitudinal direction, and a second position, where the blade surface wall extends rearward from the front engaging member to be folded over the handle. A rear engaging member is disposed on the front end portion rearwardly of the front engaging member, and is biased by the biasing member to move along the longitudinal direction to engage the front engaging member when the front engaging member is in the first position.

Abstract: A locking pivot connector for a cot-chair back rest and a swivel joint for a sun shade supported by the back rest are disclosed. The locking pivot connector permits longitudinal placement of the back rest on the cot-chair with selective angular adjustment of the back rest on the cot-chair to allow its use as a cot, chair or chaise lounge. The sun shade swivel connection permits almost 360.degree. angular rotation of the sun shade by a spring-loaded ratchet assembly.

Abstract: An assembly for adjustably mounting a vehicle external mirror includes a first arm segment for securing to the vehicle, and a second arm segment for securing to the external mirror. An axle member is secured to one of the first and second arm segments and extends through an opening defined through the other of the first and second arm segments, the axle member defining a swivel axis therethrough and the first and second arm segments being pivotable and adjustably securable relative to each other about the swivel axis. A securing member is attached to the axle member for securing the first and second arm segments together about the axle member. A bearing brace having a fixed end is secured to one of the first and second arm segments and a free end extending from the fixed end, the bearing brace configured and secured so as to form a leaf spring. A plurality of teeth extend from one of the bearing brace and the other of the first and second arm segments.

Abstract: A lockable hub device having a base that accommodates about a central axis a ganged pair of lockable attachment rings, a corresponding pair of locking and release elements, and a top cap, the entire assembly being secured by means of an assembly element that engages both the base and the top cap. The articulating members to be adjusted, e.g., the legs of a table or other foldable device, are attached to one of the lockable attachment rings. For simplicity of use, it is intended that each of the locking and release elements be constructed to extend partly through lumens defined by the top cap such that they may lockably engage the cap while retaining their partial extension therethrough, and such that release of each element may be achieved in a similar fashion as the locking operation.

Abstract: The switching device for a stroller handle includes an inserting element coupled to a pivotal connector of the stroller, a slider block slidably connected to the inserting element, urged by a spring to stay in a normally lower position thereof and an orientating block pivotally connected to the pivotal connector coupled to the stroller handle and having two engaging gaps, the slider block being provided with a nut and a finger press part, the nut being either retained within one of the engaging gaps to restrain the orientating block from turning or disengaged from the engaging gaps, by pushing the finger press part upwardly, to release the orientating block from the restraint for turning the same to switch the handle.

Abstract: An indexible tool (for example, a wrench) in which the handle of the tool stays in a constant horizontal plane with respect to the horizontal plane of the head of the tool and the tool has locked and unlocked positions through a movable splined pin connecting the head and the handle of the tool.