Abstract: Flow sensors are provided that can monitor flow conditions. The flow sensor includes a gauge that provides a first level of information about flow through the sensor, and an indicator associated with the gauge that can provided a second level of information about flow through the sensor. The indicator might be in the form of a dial that can rotate about the gauge and might include a locked position for monitoring flow and an unlocked position to rotate the dial about the gauge to reposition the dial. A twisted shaft with varying twist rate is provided to convert linear motion to rotational motion for the gauge.

Abstract: A torque box rib includes an upper rib cap configured to be coupled to an upper skin of a wing, a lower rib cap configured to be coupled to a lower skin of the wing, a forward post configured to be coupled to a forward spar of the wing, an aft post configured to be coupled to an aft spar of the wing, and a rib web configured to be coupled to the upper rib cap, the lower rib cap, the forward post, and the aft post.

Abstract: A developing roller including a housing containing toner; and a developing roller installed in the housing and supplies the toner to an electrostatic latent image formed on a photoconductor, the developing roller including a cylindrical unit in the form of a hollow pipe and a power transmission unit connected to one end of the cylindrical unit and connected to a power transmission member for rotating the developing roller. Both ends of the cylindrical unit are supported by the housing and the power transmission unit is not restricted by the housing. Both ends of the cylindrical unit are supported by the housing and the power transmission unit is not restricted by the housing.

Abstract: An adaptor kit or system for use with conventional can light fixtures to adapt the can light fixture for use as a hanger assembly for auxiliary fixtures such as a hanging lamp, a flush-mounted lamp, or the like includes a stem member received within a stem-receiver. The stem-member includes a plurality of axial spaced detent positions and the stem-receiver includes a resilient spring clip the yieldable engages a one of the available detent position. Application of a sufficient axial force causes the spring clip to disengage with a current detent and re-engage with another detent to allow controlled extension thereof by an installer.

Abstract: A post coupler includes coupler flanges, reverse bend flanges extending therealong and tapered end projections extending longitudinally from said coupler flanges defining ends of the coupler, the length of the reverse bend flanges being less than the overall coupler length between ends of the rounded end projections, and the reverse bend flanges preferably oriented along outer surfaces of said coupler flanges.

Abstract: A quick coupling for a shaft includes a male coupling having a locking portion with a locking groove formed thereon. A female coupling includes a female body having an interior surface bounding a socket. A tapered port is formed on the female body and extending from the exterior surface to the interior surface thereof. The locking portion of the male coupling is received within the socket so that the tapered port is aligned with the locking groove. A ball bearing is disposed within the tapered port so that a portion of the ball bearing can project into the socket and into the locking groove. A locking sleeve is slidably mounted along the female body so as to cover and interact with the ball bearing.

Abstract: On a device with at least first and second parts moveable relative to each other, comprising a sliding bearing located on the first part, comprising a sliding element and an adjusting element within in a very small gap between the two parts moveable relative to each other, and for inexpensive manufacture and simple assembly, that the first part displays a recess, located outside the area in which the adjusting element is supported on the first part, in which a projection located on the sliding element is mounted in positive fashion in the direction of actuation of the displacement of the adjusting element.

Abstract: A quick assembling structure of leg for table or chair, wherein connecting rods are provided with female formations respectively, and a coupling member having assembly cavities being provided into which the connecting rods can be inserted such that the ends of the connecting rods are pressed against the snap fasteners pivotally mounted in the assembly cavities, and that male blocks provided at the outside of the snap fasteners are engaged with the female formations provided on the connecting rods so as to firmly assemble the connecting rods and the coupling member together. When the connecting rods and the coupling member are to be detached, merely upwardly pull the connecting rods off from the coupling member to release the engagement between them so as to achieve quick assembly and disassembly.

Abstract: A safety post mountable in a post holder includes an elongate tubular member and a locking device arranged inside of the tubular member. The locking device includes a lever and a bias spring device biasing the lever against an inner surface of the wall of the tubular member. The lever has a lock protrusion and a release protrusion extending through a first and second aperture portions of the wall, respectively. The lock protrusion is retractable to a release position inside of an outer surface of the tubular member by operation of the release protrusion in a counter biasing direction. The release protrusion has a support surface arranged to support the safety post against a support surface of the post holder, and the release protrusion is related to the lock protrusion such that, in the release position, the release protrusion is still protruding from said outer surface to an extent.

Abstract: A telescopic adjusting mechanism includes: an outer tube having a positioning unit; an inner tube having a hole and displaceable relative to the outer tube along a longitudinal axis; a locking unit displaceable along with the inner tube, and including a locking member movable along a transverse axis between a locking position, where the locking member extends through the hole to engage the positioning unit, and an unlocking position, where the locking member is disengaged from the positioning unit, and a biasing member biasing the locking member to the locking position, the locking unit being formed with an engaging member; a restraining member engaging releasably the engaging member when the locking member is at the unlocking position to prevent the locking unit from hindering retraction of the inner tube into the outer tube; and a drive unit operable to move the locking member from the locking position to the unlocking position.

Abstract: Various embodiments of a toilet fill valve lock and method for adjusting the fill water level in a toilet are provided. In one embodiment a toilet fill valve includes a riser that extends along an axis and an inner shaft that is disposed along the axis between the axis and the riser. The toilet fill valve further includes a lock that is moveable toward and away from the axis and which can limit the movement of the riser relative to the inner shaft about the axis when in a locked position.

Abstract: An adjustment mechanism is provided. The adjustment mechanism has a housing, a clearance portion, first and second pin members telescopically received within the housing, a telescopic engagement mechanism mounted in the clearance portion and adapted to telescopically move the pin members, and a locking mechanism adapted to lock the pin members in a rigid position. A locking adjustment assembly is also provided.

Abstract: A coupling mechanism, in particular for medical instruments, having a coupler plug and a coupler socket for inserting the coupler plug, where the coupler socket and coupler plug can be secured to one another by at least one spring-loaded catch connection, where the catch connection can be actuated by a safety mechanism and can be released by the coupler plug inserted into the coupler socket. To create a coupling mechanism that is simple to operate and ensures secure catching connection of the components and that are to be connected with one another, the safety mechanism should be configured as a spring-loaded catch element positioned in the coupler socket.

Abstract: An adjustable mechanism including at least two shafts, one of which is hollow, including: a spring attached to a first shaft; the spring having an outer diameter of similar dimensions to the internal diameter of the second shaft, the spring configured such that once force is applied to the spring, its outer diameter is less than the inner diameter of the second shaft; and when force is no longer applied to the spring it is biased to return to its original outer diameter to bear against the inner diameter of the second shaft.

Abstract: An adjustment mechanism for an appendage elevation system, the adjustment mechanism comprising a housing, a clearance portion, first and second pin members telescopically received within the housing, a telescopic engagement mechanism mounted in the clearance portion and adapted to telescopically move the pin members, and a locking mechanism adapted to lock the pin members in a rigid position. One embodiment of the locking mechanism includes segments in the housing which restrict movement of the telescopic engagement mechanism. An alternative embodiment of the locking mechanism includes a spring button attached to a pin member which engages an aperture in the housing to restrict movement or the telescopic engagement mechanism. A further alternative embodiment of the locking mechanism includes a sleeve which engages the telescopic engagement mechanism to restrict movement. An appendage elevation system and a method for use of the adjustment mechanism are also disclosed.

Abstract: A clamp for clamping a cylindrically shaped structure within a hollow cylindrical structure includes means to maintain the angular and axial position of the structures fixed while the clamp is tightened.

Abstract: A wheeled distance measuring device includes a wheel with a measuring unit connected to a side of the wheel and a pole unit is connected to the wheel, the pole unit includes a first section, a second section and a third section. The first section has two first holes and two second holes defined in two ends thereof. The first section is movably inserted into the second section which has two third holes and movably inserted into the third section which has two fourth holes. Two positioning units are respectively located between the first and second section, and between the second and third sections. The positioning units control the retractable movement of the sections so as to adjust the length of the pole unit. A handle is connected to the pole unit and controls the positioning units by an action rod.

Abstract: Various embodiments of a toilet fill valve lock and method for adjusting the fill water level in a toilet are provided. In one embodiment a toilet fill valve includes a riser that extends along an axis and an inner shaft that is disposed along the axis between the axis and the riser. The toilet fill valve further includes a lock that is moveable toward and away from the axis and which can limit the movement of the riser relative to the inner shaft about the axis when in a locked position.

Abstract: A sliding bearing for axial and/or radial arrangement of a first bearing member in relation to a second bearing member, comprises a second bearing member, which has a bearing recess provided with a second slide face; a first bearing member, which is lodged in the bearing recess and which is mounted axially and/or radially, the first bearing member having a first slide face, which is opposite the second slide face and spaced therefrom by a clearance; at least one sliding/guiding element, which is disposed between the first and the second bearing members and fixed in relation to one bearing member, for guidance of a motion of the first relative to the second bearing member; an equalizing compound, which is disposed between the at least one sliding/guiding element and the bearing member relative to which is fixed the at least one sliding/guiding element, for adaptation of the guide clearance between the at least one sliding/guiding element and the slide face that is displaceable in relation thereto, the equalizi

Abstract: A height adjustable accessory structure includes a C-shaped ring disposed in an engaging sleeve including a main sleeve body and an assistant sleeve body engaged with each other for allowing insertion and positioning of an engaging rod with a plurality of engaging portions. The bottom of the engaging rod includes a tightening section and an engaging member whose size is between the outer diameter and the inner diameter of the engaging sleeve. The tightening section allows free deformation of elastic hooks at the bottom of the engaging sleeve, thus allowing the elastic hooks to successfully pass through the sleeve and enabling the elastic hooks to be positioned below the engaging sleeve after inserting through the sleeve. The engaging member will be stopped against the engaging sleeve, and the engaging rod cannot be pulled away from the engaging sleeve.

Abstract: A coupling spring pin is provided for use in hollow sections or tubes. The coupling spring pin comprises a base spring element and a bolt connected to the spring element. The spring element is provided with a flange and at least two bent spring tongues. The bolt stands perpendicularly on the flange and the two bent spring tongues extend downwards from the flange. The bolt may be provided with a bolt case in order to securely prevent shearing. The bolt case, in its lower region, may be provided with an annular groove and the bolt case may be peripherally (injection) molded on the base in an injection molding tool, so that the plastic material of the flange may fill out the annular groove, which allows the bolt case to be connected to the spring element in an undetachable and stable manner.

Abstract: By providing a hand holdable, reusable, holding system which enables users to insert any small diameter, shaft supporting pyrotechnic device, such as a sparkler, into an aperture and be assured that the shaft of the pyrotechnic device is securely locked to the holding system for protecting the individual from harm, an easily constructed, easily used holding system is attained which is capable of enabling any elongated, small diameter wire or shaft to be quickly inserted into the holding system and securely lockingly engaged therewith. In this way, the pyrotechnic material which is adhered to the upper portion of the elongated shaft or wire is easily held by the user in a safe and effective manner.

Abstract: A snap-fit arrangement for joining component parts, such as tubular sections and fittings includes a male coupling and a female coupling. A portion of the male coupling extends from one component part and includes cantilever prongs with enlarged heads. The exposed portion of the male coupling and prong heads are structured and disposed for insertion into another component part and through the female coupling until the prong heads exit the inner end of the female coupling and snap outwardly into locked engagement, thereby releasably connecting the two component parts.

Abstract: A front wheel support for a wheel chair, the front wheel support having a curved tube for attachment to a frame member of the wheel chair and a curved part. The curved part has a first portion with a curvature identical to the curvature of the curved tube, and a cross section allowing the first portion of the curved part to fit inside the curved tube. The curved part further has a second portion with a wheel fork seat for mounting a front wheel fork of the wheel chair.

Abstract: A leg for use in supporting geometric equipment includes a first leg section and a second leg section for telescoping receiving the first leg section. A locking device includes an actuator and an engagement portion. The locking device is operable in a lock position in which the engagement portion bears against the second leg section on the interior thereof with a force selected to lock the first and second leg sections with respect to each other, and an unlock position in which the engagement portion is spaced from the second leg section such that the leg sections are free to move in telescoping relation with respect to each other.

Abstract: A lightweight fence or gate pole is provided having a lock assembly including a base attached to the lightweight pole, a support member extending from the base, a connector extending from the support member, the connector having a snap button connected thereto and a screw attached to the connector. The lock assembly has a locked position when a screw head is adjacent to an outer surface of the lightweight pole and the lock assembly has an unlocked position wherein the screw head is farther away from the outer surface of the lightweight pole than in the locked position.

Abstract: A power tool coupling system for coupling two boom members of a split-boom power tool. The coupling system includes a first section and a second section. The first section is adapted to be fixedly attached to an end of a first one of the boom members. The first section includes an aperture for receiving a locating member on a second one of the boom members. The second section is movably connected to the first section. The second section is adapted to depress the locating member, while the locating member is located in the aperture of the first section, when the second section is moved from a first to a second position.

Abstract: Apparatuses and methods for joining structural members. In one embodiment, an apparatus for joining a first member to a second member includes a first part and a second part configured to be engaged with and bonded to the first part. In one aspect of this embodiment, the first part includes a first surface facing a first direction, a second surface facing a second direction different than the first direction, a first recess at least proximate to the first surface, and a second recess at least proximate to the second surface. In another aspect of this embodiment, the second part includes a third surface facing a third direction, a fourth surface facing a fourth direction different than the third direction, a first protuberance at least proximate to the third surface, and a second protuberance at least proximate to the fourth surface.

Abstract: A device for locking a position of a moving part with respect to a fixed part. The moving part is positioned with respect to the fixed part isostatically. The device generates a force opposing the loss of contact of all the points of isostatic contact between the moving part and the fixed part so as to lock the position.

Abstract: A strut for propping open the door of an aircraft including an outer tube connected at one end to the aircraft and a telescoping inner member connected to the aircraft door. The inner member is extended out of the outer tube when the door is fully opened and automatically locks in place. The strut can be unlocked by grasping a sleeve mounted on the outer tube, pulling it downwardly while rotating the same clockwise. The strut remains locked until the door is lifted upwardly until it stops thereby unlocking the strut. Lowering the door returns the strut to its stowed position with the inner member received within the outer tube.

Abstract: Each one of telescopic units (12) that are used for a tripod includes a first tubular member (15). A second tubular member (16) is inserted in the first tubular member (15) so as to be capable of rotating circumferentially and enabling the adjustment of the distance by which the second tubular member (16) projects from the first tubular member (15). Press receiving surface portions (25) having a cross section which has an arc-shaped surface such that the center axis of the arc extends in parallel with the center axis of the first tubular member (15) are formed on the inner cylindrical surface of the first tubular member (15). Press applying surface portions (37) having a cross section which has an arc-shaped surface such that the center axis of the arc extends in parallel with the center axis of the second tubular member (16) are formed on the outer cylindrical surface of the second tubular member (16).

Abstract: An improved load-supporting system for scaffolding, lengths of elongated stock used in the construction industry, tools, and other loads includes a unique system for adjusting the height at which a load is held above a supporting surface. The invention includes a column having a column axis of alignment and at least one sleeve disposed about the column in coaxial sliding engagement therewith. The sleeve has an appendage forming a radially inwardly facing jaw and a jamming washer that surrounds the column and extends into the jaw. The height at which a load is held above a supporting surface is varied by adjusting the relative longitudinal positions of the sleeve and the column. By momentarily forcing the jamming washer into perpendicular alignment relative to the column, incremental adjustment of the relative positions of the sleeve and the column occur.

Abstract: A square lamp post insertional conjoinment structure comprised of a slip-mount tube and a casing tube fitted onto the slip-mount tube. The slip-mount tube has disposed at one end an internal binding sleeve and, furthermore, an insertional conjoinment section of a stepped arrangement is formed between the exterior of the internal binding sleeve and the interior of the slip-mount tube at two opposing sides and a spring is installed in each insertional conjoinment section. The casing tube has engagement blocks aligned with the springs. When the casing tube is fitted onto the slip-mount tube, its engagement blocks press inward against the springs to facilitate the sleeving on of the casing tube. After the casing tube engagement blocks have passed the springs, the springs rebound to their original positions, locking the casing tube onto the slip-mount tube and thereby achieving the fixed coupling of the casing tube and the slip-mount tube.

Abstract: A mirror assembly has a pair of telescoping tubular supports extending between a support base and a mirror head to provide adjustment of the mirror head toward and away from the support base. Friction shoes within the tubular supports releasably hold such supports against unintentional telescoping movement. Cooperating stops on the telescoping supports limit outward movement of the mirror head and prevent complete separation of the telescoping supports. The tubular supports are hingedly attached to the support base for rotation about a vertical axis, and cooperating detents and spring elements on the supports and support base releasably hold the supports against rotation.

Abstract: A tricycle stroller frame has a shaft pipe and a base frame. The base frame has two connectors to receive the shaft pipe, two tubes connected to the connectors, a movable seat, a positioning seat, and an H-shaped frame. Each tube has a front threaded aperture. The movable seat has two male blocks, two first through apertures to receive the tubes, two second through apertures to receive the H-shape frame, and two round threaded holes. The positioning seat has two female blocks to match the male blocks, two first through holes to receive the tubes, two second through holes to receive the H-shape frame, and two circular threaded holes.

Abstract: An extension pole is disclosed for use with a paint roller tool. The pole and handle cooperatively provide a smooth flush connection and prevent relative rotation therebetween. In particular, an end portion of the extension pole comprises a locking mechanism that is designed to releasably interconnect the paint roller tool and the extension pole via operation of a button assembly on the extension pole. The locking mechanism includes a housing presenting a narrow outer surface defined along a circle coaxial with the pole and snugly received within the paint roller handle. A wide outer surface spaced radially outward from the narrow surface presents a key section, which when received within a recess extending inwardly from the rear end of the tool handle, cooperates with the handle to prevent relative rotation between the tool and extension pole.

Abstract: An extension pole is disclosed for use with a paint roller tool. The pole and handle cooperatively provide a smooth flush connection and prevent relative rotation therebetween. In particular, an end portion of the extension pole comprises a locking mechanism that is designed to releasably interconnect the paint roller tool and the extension pole via operation of a button assembly on the extension pole. The locking mechanism includes a housing presenting a narrow outer surface defined along a circle coaxial with the pole and snugly received within the paint roller handle. A wide outer surface spaced radially outward from the narrow surface presents a key section, which when received within a recess extending inwardly from the rear end of the tool handle, cooperates with the handle to prevent relative rotation between the tool and extension pole.

Abstract: A support stand includes a locking unit for adjusting its height and a support unit for angular adjustment in a horizontal plane. The locking unit includes a center bar fixed to the lower end of an outer pipe, a mesh sleeve unit having a mesh sleeve, upper and lower sliding bushes respectively connected to the mesh sleeve, a coil spring arranged between the upper and lower sliding bushes, a spacer sleeve arranged above the upper sliding bush and loosely fitted on the center bar and in the inner pipe whose lower end is fixed to the lower sliding bush, and an actuator sleeve provided around the inner pipe and connected to the inner pipe in a manner movable with the aid of a cross pin passing through axially elongated apertures formed in the inner pipe.

Abstract: A fastener has an integral closure. The fastener maintains the relative position of concentrically nested or telescopically related inner and outer tubes. The closure occludes the inner tube. The fastener can be used for assembling children's products such as play-yards, strollers, swings, and other types of furniture, transports, and accessories.

Abstract: A mirror assembly has a pair of telescoping tubular supports extending between a support base and a mirror head to provide adjustment of the mirror head toward and away from the support base. Friction shoes within the tubular supports releasably hold such supports against unintentional telescoping movement. Cooperating stops on the telescoping supports limit outward movement of the mirror head and prevent complete separation of the telescoping supports. The tubular supports are hingedly attached to the support base for rotation about a vertical axis, and cooperating detents and spring elements on the supports and support base releasably hold the supports against rotation.

Abstract: A telescopic tube joint has a sleeve, which is adapted to securely coupling an outer tube and an inner tube, and defines a locking chamber therein. At least two locking rings are received in the locking chamber of the sleeve, the locking rings are forced apart by a biasing member between the locking rings and cause the locking rings to press on the outer wall of the inner tube to hold the inner tube in place with respect to the outer tube. When a user squeezes the locking rings, the inner tube will slide freely in the outer tube.

Abstract: A pull pin assembly includes: a first pole having a first hole; a second pole having a second hole, and sliding in the first pole; a main body having a central hollow containing the first pole; a pull pin body extending radially from the central hollow, and having a space extending into the central hollow; a pull pin, having a circumferential stop, disposed in the space to move from a first position extending into the central hollow through the first hole to a second position outside the central hollow; a pull pin plug fit into the space and having a hollow containing the pull pin; and a biasing member biasing the pull pin toward the second first position to lock the first and second poles; wherein the biasing member is disposed to bias the pull pin between the circumferential stop and the pull pin plug.