Abstract: A paintbrush gripping device comprising an elongated body embodied in a tubular shape, an accepting opening at an upper portion of the elongated body, a closed base at a lower end of the elongated body opposite to the accepting opening, and a row of slots extending along a length of the elongated body wherein a handle of a paintbrush is first inserted into the accepting opening, then slides through the elongated body to stop at the closed base, and wherein the row of slots expands the elongated body to enable a variety of widths of the handle to fit within the paintbrush gripping device thus giving the handle a wider diameter.

Abstract: The present invention is comprised of an elongate piece of first material having flexible qualities with a flexible strip of second, more rigid, and bendable material enclosed within the first material. The apparatus may be twist-tied around equipment for relatively easy transport.

Abstract: A releasable tie includes a locking head and a strap body. The locking head includes a base plate, a pair of first side walls, a second side wall, and an operating rod. The operating rod is disposed above a window of the base plate, has a first top surface, and is bilaterally connected to the first side walls via connecting members. At least one first engaging tooth is provided at a predetermined depth extending vertically downward from the first top surface. The first engaging tooth has a second top surface which defines a first tooth depth. The operating rod includes an arm extending toward the strap body. The strap body has a bottom surface formed with plural second engaging teeth engageable with the first engaging tooth. The second engaging teeth have a predetermined tooth pitch smaller than the predetermined depth and a second tooth depth smaller than the first tooth depth.

Abstract: A child-restraint system is adapted for use with a juvenile vehicle seat. The child-restraint system includes a frame configured to be mounted on the juvenile vehicle seat and a web clamp coupled to the frame. The web clamp is configured to clamp a web passing under the web clamp and through a web-receiving channel formed in the frame.

Abstract: A clamp ring and process for manufacturing a clamp ring to effectively reduce, if not eliminate, waste scrap from the manufacturing process. The clamp ring and process for manufacturing the same, results in clamp ring having a seam formed by a metal joining technique such as welding, brazing, bolting, soldering, and clinching.

Abstract: Certain embodiments of the present invention provide a buckle for fastening opposing ends of an object encircling strap. The buckle includes a deformable retainer and a bridge. The deformable retainer defines an entrance passageway for a free end of the strap and includes a retainer tab, an opening adjacent the retainer tab, and a pair of strapping supports spaced apart from the opening. The bridge defines an exit passageway for the free end of the strap. The free end of the strap is positionable around an object and consecutively through the entrance passageway and the exit passageway. The free end of the strap is bendable over the bridge and between the strapping supports and the opening such that the free end of the strap curls when the retainer is deformed.

Abstract: The present invention relates to a furniture connector, in particular, to an insertion type furniture connector that includes a female buckle, a middle buckle and a sub-buckle. The female buckle is a hollow cylinder whose inner wall is formed with a positioning ring. The middle buckle is a hollow rod having an insertion hole in its axis direction, the rod wall of the front end portion of the middle buckle is provided with axis direction slits, and the exterior rim of the front end portion of the middle buckle engages with the inner wall of the female buckle having the positioning ring. The sub-buckle is a rod-shaped body which can be inserted into the insertion hole and which has a diameter matching with that of the insertion hole. Furniture panel can be connected by inserting the middle buckle into the female buckle and inserting the sub-buckle into the middle buckle without using a tool, facilitating the assembly of the furniture.

Abstract: A buckle assembly has a female buckle portion formed by a housing with a hollow interior and at least two openings, and at least two male buckle portions, each having at least one locking leg. There is an actuating device disposed within the housing and accessible through an aperture in the housing. The actuating device has latching mechanisms for cooperating with the locking legs for locking the male buckle portions within the female buckle portion when the locking legs of the male portions are inserted through the openings of the housing. Pulling the actuating device toward the aperture moves the latching mechanisms away from the male buckle portions and releases the male buckle portions from the housing.

Abstract: An improved capacitor, and method for making the capacitor, is described. The capacitor has an anode and a dielectric on the anode. A cathode layer is on the dielectric wherein the cathode layer comprises at least one conductive layer and an insulative adhesion enhancing layer.

Abstract: A connector cover assembling system includes an arrangement apparatus, which aligns covers and includes a transporting channel for transporting the covers to a frame that supports the covers and associated connector bodies. A cover driving member transports the covers one by one from the frame to a separating mechanism, which further transports the cover to a location above a clamping mechanism for being clamped by the clamping mechanism. A lifting mechanism drives an inserting mechanism and the clamping mechanism to the separating mechanism. The clamping mechanism clamps the covers from the separating mechanism. The inserting mechanism drives the clamping mechanism to transport and assemble the cover to the connector body. A holding mechanism holds the connector body during the assembling operation. The control unit coordinates operations of the above-mentioned components. Therefore, manufacturing efficiency of electrical connector can be improved and manufacturing costs reduced.

Abstract: A method of monitoring a crimping process is disclosed, which determines whether an actual force stroke progression (Fa)/force time progression is, a) above, or, b) below an ideal force stroke progression (Fi)/force time progression in at least one point. The method shifts an upper border (Bu) and/or the lower border (Bl) of a tolerance band upwards in case a) and downwards in case b). Additionally, there is an absolute upper limit (Lu), at which an upward shifting of the upper border (Bu) is inhibited, and an absolute lower limit (Ll), at which a downward shifting of the lower border (Bl) is inhibited. Moreover, a crimping press and a computer program product for employing the inventive method are disclosed.

Abstract: An system for disassembling a fuel injector includes the first station for removing an end-cap assembly, an external O-ring and a control valve body (CVB) spool from the fuel injector, the second station for receiving the fuel injector from the first station and removing a snap ring, a ferrule ring, a cone-nut and screws from the fuel injector, and the third station for receiving the fuel injector from the second station and removing a plunger, a clevis, a piston, an intensifier O-ring, a gasket and a high pressure group from the fuel injector.

Abstract: A lock pin assembly used for clamping two plates together, that have aligning bores for receiving the lock pin assembly. The lock pin assembly includes radially extending pins that can be forced outwardly from the center of a lock pin housing forming a part of the lock pin assembly. The actuator pins are forced outwardly and cooperate with a tapered surface on a bottom plate to create a clamping force relative to an end of the lock pin housing supportable on a top plate. The lock pin housing has cam tracks on an outer side thereof, and an actuator ring surrounds and supports the pin and carries cam followers sliding in the cam tracks. The cam tracks are made such that relative rotation of the lock pin housing and the actuator ring changes the axial location of the actuator ring along the housing.

Abstract: A method of fabricating sleeves for trampolines includes steps of: first, bending a plate into a tube with a coupling seam bonded through a bonding process to form a sleeve; next, expanding an opening of the sleeve through an opening expansion means to form a body and an expanded opening section extended from the body; applying a compressive force to the expanded opening section to form an outer expanded portion and an inner folding portion. When the sleeve is coupled with a connection tube, the outer expanded portion and inner folding portion provide greater structural strength. Whether defects are formed on the coupling seam at the outer expanded portion and inner folding portion can be easily and visually detected after the fabrication process is finished. Thus defected sleeve can be instantly identified during the fabrication process to save extra inspection time. Fabrication productivity of trampolines also improves.

Abstract: This invention describes a set of building elements comprising a uniting plate (1) and a base plate (19). The uniting plate (1) comprises two plates (3) defined in a single plane, said two plates (3) are connected in a connection line (9), and a slot (5) is placed at said connection line; said slot (5) may engage with a slot on another uniting plate (1) to obtain uniting plates with their plates (3) in different planes. The base plate (19) being substantially planar having three parallel plates, which is placed in two planes, where the first (117) and third plate (119) is placed in one plane, are arranged on either side of the second plate (121), which is placed in the second plane, and where the two parallel planes define a space between the two planes to obtain one of the plates (3) of the uniting plate (1).

Abstract: A method of installing a modular countertop includes a first step of determining a desired final size of a countertop at an installation site so that a modular countertop may be installed at the installation site; and a second step of trimming the modular countertop at the installation site from a first size to the desired final size to form the finished countertop, the modular countertop including a composite layer and a support layer bonded to the composite layer, the composite layer including a filler material dispersed within a polymer matrix, wherein the composite layer and the support layer have a combined thickness less than about 1.25 inches.

Abstract: The object of the invention is a method for installing the hoisting roping of an elevator, in which method the hoisting roping of the elevator is lifted upwards into the elevator hoistway by means of a hoisting device. The hoisting roping is lifted upwards into the elevator hoistway in steps such that at least one rope of the roping is lifted by pulling it to the height and the aforementioned at least one rope is fixed to the elevator hoistway or to another fixed structure of the building, at least one of the ropes of the roping that is at the height and was lifted in phase is detached, at least one rope detached in phase is lifted by pulling it to the next height and the aforementioned at least one rope is fixed to the elevator hoistway or to another fixed structure of the building.

Abstract: Movable partition systems may include a chain guide structure extending along a curved path. The chain guide structure may have a specified maximum width, and may include attachment flanges that project laterally from a central beam beyond laterally outward ends of chain guide members of the chain guide structure by a specified minimum distance. Overhead support systems for movable partition systems may include such chain guide structures. Methods of forming overhead support systems and movable partition systems may include stretch forming a bent chain guide structure. Methods of installing overhead support systems and movable partition systems may include inserting fasteners at least substantially perpendicularly through attachment flanges of a chain guide structure to secure the chain guide structure to an overhead structure.

Abstract: Protective clips for movable partitions include a guard portion that protrudes from a top major surface of a base portion. The guard portion extends along the top major surface proximate to a front side of the base portion. The guard portion also may extend along the top major surface proximate to at least one end side surface at a longitudinal end of the base portion. Movable partitions include one or more such protective clips. The protective clips optionally may be used to attach a sweep strip to panels of a movable partition. Methods of forming such protective clips include molding the clips within a mold cavity.

Abstract: A quick release device holder for portable electronics devices that protects soft and impressionable housing materials from damage during insertion and removal. The quick release device holder includes a backing plane formed with a substantially rigid spine portion and a receiver pocket adjacent to a first end thereof. One or more latching arms extend from the backing plane spaced away from the receiver pocket, each of the one or more latching arms further including a resiliently flexible stem portion coupled to the backing plane and having a head portion spaced away from the backing plane. The head portion further includes one or more rollers coupled thereto in a position spaced away from an interior surface of the backing plane, and a retention tongue between the one or more rollers and the interior surface of the backing plane and being set back from a circumference of the one or more rollers.

Abstract: Quasi-isotropic chopped prepreg is used to make parts found in aerospace vehicles. Exemplary aerospace parts that are made using quasi-isotropic chopped prepreg include aircraft window frames, wing fairing supports, flange supports, frame gussets, rudder actuator brackets, shear ties, seat pedestals, cargo floor flange supports, storage bin fittings, antenna supports, torque tube pans, handle boxes, side guide fittings, wing box covers and intercostals.

Abstract: For turbo-diesel application trucks, it is desirable to enable the quickest exit of the exhaust from the engine because, in most cases, the exhaust gas temperatures of these engines are very high. Thus, a hole is formed in the hood of the trucks and the exhaust stack is slid through the hole to permit the quickest exit of the exhaust into the atmosphere. However although the hood may be non-horizontally oriented, the stack should be kept in a vertical position. Thus, a stack mounting basket is positioned beneath the hole having three widely separated outwardly extending threaded bolt extensions that are positioned within three slotted downwardly extending elongated members affixed to the hood. The relative positions of the elongated members with respect to the threaded bolt extensions are adjusted, and nuts are tightened over the elongated members to permit the stack to maintain a vertical orientation.

Abstract: In the method of fastening aircraft parts together, the following steps are performed: crimping an element onto at least two parts so as to fasten them together; and screwing a screw into the element through at least one other part so as to fasten all the parts together and so as to place a head of the screw in a flush position relative to the other part.

Abstract: The invention relates to a device and a method for automatically connecting two workpieces by means of fasteners, the device having a magazine for receiving the fasteners. In order to improve a device for automatically connecting two workpieces to the effect that supplying the fasteners is less personnel- and cost-intensive, the invention proposes that a fastener nest (7) be provided whose lower side can be coupled to the upper side of the magazine, the fastener nest comprising openings for inserting the fasteners and the openings being blockable and unblockable at their lower ends. Compared to the prior art, this solution is more economical and reduces cycle time.

Abstract: Disclosed is a method of making a composite light diffusing panel, comprising providing a first glass lite with a light transmissive fabric layer applied to surface thereof; applying a primary sealant to the surface of the first glass lite using an edge referencing method to meet horizontal dimensional requirements; mounting a spacer to the primary sealant on the surface of the first glass lite to form a first subassembly; applying a primary sealant to the surface of a second glass lite also using an edge referencing method to form a second subassembly; and topping the second subassembly atop the first subassembly to form an assembled composite light diffusing panel. Also disclosed is a flipping apparatus that can be used in the method.

Abstract: A stent for implantation within a body vessel is provided with a plurality of varying parallelogrammic cells. The stent is radially expandable from a compressed condition, suitable for inserting the device in an introducer, to a deployed or expanded condition within a body vessel. The stent includes a plurality of parallelogrammic body cells and a plurality of parallelogrammic flare cells. The flare cells have a substantially greater elongation ratio than the body cells. Also provided is a method for manufacturing stents having a plurality of varying parallelogrammic cells.

Abstract: In one example, a data center may be built in modular components that may be pre-manufactured and separately deployable. Each modular component may provide functionality such as server capacity, cooling capacity, fire protection, resistance to electrical failure. Some components may be added to the data center by connecting them to the center's utility spine, and others may be added by connecting them to other components. The spine itself may be a modular component, so that spine capacity can be expanded or contracted by adding or removing spine modules. The various components may implement functions that are part of standards for various levels of reliability for data centers. Thus, the reliability level that a data center meets may be increased or decreased to fit the circumstances by adding or removing components.

Abstract: Microstructures such as connection areas, contact pads, antennas, coils, plates for capacitors and the like may be formed using nanostructures such as nanoparticles, nanowires and nanotubes. A laser may be used to assist in the process of microstructure formation, and may also be used to form other features on a substrate such as recesses or channels for receiving the microstructures. A smart mobile phone sticker (MPS) mounted to a cell phone with a self-sticking shielding element comprising a core layer having ferrite particles.

Abstract: According to the preferred embodiment, an improved method and apparatus for the manufacturing of an aluminum tube and aluminum fin heat exchanger that includes steps for pneumatic cleaning, thermal cleaning, and uncontrolled-atmosphere open-flame autobrazing of hairpins to return bend fittings. The method uses a tube lubrication system that is adjustable to control amount of lubrication applied to the tube prior to final expansion. The method uses a pneumatic coil cleaning station that is adjusted to reduce the residual oil particulate from the expansion process required to be thermally cleaned.

Abstract: The present invention relates to a method for manufacturing an electronic parts device allowing for easy overmolding and underfilling without requiring a jig for preventing leakage of the melted resin composition, and a resin composition sheet for electronic parts encapsulation used therein.

Abstract: In accordance with a first embodiment, the present invention provides a circuit substrate comprising a first surface; a second surface; a first via having a first end near said first surface and a second end near said second surface; a second via having a first end near said first surface and a second end near said second surface; a first conductive element electrically coupling said first end of said first via and said first end of said second via; a second conductive element electrically coupling said second end of said first via and said second end of said second via; an input signal line coupled to said first via; and an output signal line coupled to said second via.

Abstract: A method for terminating and winding coils of a core (20) of a dynamo electric machine. The coils being formed from at least an electric wire (W) and the core (20) having a longitudinal axis (20?). The coils (19) are wound by relatively moving a wire dispenser (21) with respect to a core with relative motions of translation and rotation; at least a stretch of wire extends from the coil and the stretch of wire is provided with a portion (W4) for a termination connection to a termination structure (22) of the core (20) such as a tang. The method avoids waste cut wire in the apparatus. The core is provided with a groove (120) at an end to receive at least a wire in the path of the wire for the termination of the coils. The apparatus comprises a wire deflector positioned adjacent the end of the core, where the groove (120) is located, in order to intercept and align the wire with the groove (120).

Abstract: A method for manufacturing an insulator includes: preparing a press pin and a forming die having a cavity, the press pin including a pin-side spiral portion formed on a first position; filling a raw powder into the cavity; arranging the press pin within the cavity; pressing the raw powder within the cavity along with the press pin, and obtaining a green body formed with a green body-side spiral portion; releasing the green body along with the press pin from the cavity; retreating the press pin with respect to the green body while rotating the press pin relative to the green body around an axis, and extracting the press pin from the green body; and removing an unnecessary portion from the green body. The first position is positioned such that the green body-side spiral portion is located in the unnecessary portion of the green body.

Abstract: A method of manufacturing a connecting rod assembly including the steps of defining a small end of a connecting rod assembly having a terminal end and then defining a pin bore extending through the small end of the connecting rod assembly. A pair of channels is formed on opposite sides of the small end of the connecting rod assembly wherein the axis of each of the channels is substantially perpendicular to the axis of the pin bore. A bushing having a contact surface including at least partially annular grooves disposed thereon is installed into the pin bore of the small end. The connecting rod is then machined to reduce the width of the small end between each channel and the terminal end wherein at least a portion of the grooves are disposed along the distal ends to reduce the need to deburr the area adjacent to the pin bore.

Abstract: A method for assembling a modular wind turbine rotor blade, includes aligning a first blade module and a second blade module such that a first receptacle of the first blade module and a second receptacle of the second blade module are co-axial; and forming a detachable mechanical connection between a first inlay of the first blade module and a second inlay of the second blade module using a threaded fastener that extends into the first receptacle and into the second receptacle.

Abstract: An inkjet head manufacturing method includes the following steps. Firstly, a multilayered structure with a plurality of microstructure layers is provided. The alignment check holes of the microstructure layers are concentric and have different diameters. Then, the microstructure layers are stacked together and the microstructure layers are aligned with each other according to the concentric and different-diameter alignment check holes, wherein a dry film layer is sandwiched between every two adjacent microstructure layers. The preset slots of the microstructure layers are collectively defined as inlet flow channels, ink chambers, pressure cavities and outlet flow channels. Then, the multilayered structure is assembled and positioned through the dry film layers by a thermal compression process. Then, a cutting knife is used to linearly cut the actuator plate over a spacer between every two adjacent pressure cavities and along a path parallel with rims of the pressure cavities.

Abstract: The present invention provides a method of producing a liquid ejection head, the method including the steps of preparing a substrate having a flow-path-wall member; bonding the flow-path-wall member to a resin layer that is composed of a photo-curing resin and serves as an ejection port member such that spaces serving as the flow paths are provided inside; providing through-holes in the resin layer such that the spaces communicate with the outside air; exposing part of the resin layer; heating the exposed portion of the resin layer; and removing the unexposed portion from the heated resin layer to form the ejection ports, thereby forming the ejection port member in the resin layer.

Abstract: A spring wire with a hardness of 50 to 56 HRC is subjected to first and second shot peening processes within a warm working temperature range of 150 to 350° C. In the first shot peening process, a first shot of a shot size of at least 1.0 mm is used. In the second shot peening process, a second shot smaller in shot size than the first shot is sued. Through these shot peening processes, compressive residual stress is imparted to the spring wire. The spring wire includes a residual stress increase part, residual stress peak part, and residual stress decrease part. In the residual stress decrease part, a part including a compressive residual stress magnitude equivalent to the magnitude of the compressive residual stress at a surface of the spring wire exists at a region at a depth exceeding the permissible pit depth.

Abstract: A method of repairing a bearing of a wind turbine generator is provided which is able to more permanently repair a gap which occurred between a constituent member of the wind turbine generator and a bearing ring of the bearing. For example, in the case of repairing the gap 13 between the main shaft outer cylinder 10 of the wind turbine generator 1 and the outer ring 12A of the main bearing 12, the plate 40 is inserted between the main shaft outer cylinder 10 and the outer ring 12A, and also the plate 40 is fixed to an inner circumferential surface of the main shaft outer cylinder 10 by the adhesive agent 41. On the other hand, slip is permitted between the plate 40 and the outer ring 12A of the main bearing 12.

Abstract: A shaving head for an electric dry shaver which comprises a base element for carrying at least three cutter units, each providing an outer cutter and an inner cutter arranged to be moved in sliding contact relative to each other, whereby at least one cutter unit comprises a foil-type outer cutter. The shaving head further comprises a first trimmer-type cutting unit that has a plurality of slots defined by a plurality of adjacent bar elements featuring cutting edges. The shaving head comprises a second trimmer-type cutting unit having an outer cutter that comprises a plurality of teeth featuring cutting edges and spaced from each other so as to define a plurality of slits.

Abstract: A shaving unit for an electric shaver which comprises an outer cutter and an inner cutter associated to that outer cutter. The cutters are mounted so as to be movable relative to each other and adapted to be set in a relative motion by a drive mechanism. The inner cutter provides a plurality of cutting edges and abuts with its outer face on the inner face of the outer cutter. The outer cutter provides a plurality of teeth equipped with cutting edges. The outer cutter provides two comb elements which are disposed opposite one another and which extend according to the direction of the relative motion. The two comb elements are aligned with respect to one another such that the tips of the teeth of the first comb element are facing the tips of the teeth of the second comb element, the tips of the teeth spaced from one another.

Abstract: The scrubbing razor includes a housing and one or more cutting blades with a rounded cutting edge. The housing includes a top cover, a tubular outer safety ring mounted to the top cover, and one or more tubular anchor rings disposed within the tubular outer safety ring and mounted to the top cover. The one or more cutting blades are mounted to the one or more tubular anchor rings.

Abstract: The scrubbing razor includes a handle, an elongated head with a blade mounting portion, and one or more forward straight blades and one or more rearward straight blades mounted to and extending from the underside of the blade mounting portion. The one or more rearward straight blades are mounted in opposing relation to the one or more forward straight blades, so that the scrubbing razor is bidirectional. The cutting edges of the one or more forward straight blades and the opposing cutting edges of the one or more rearward straight blades define a single plane.

Abstract: A foldable hand tool having a blade holder mounted with a handle for movement from folded and unfolded positions. The blade holder has an opening adapted to receive blades of different sizes. The foldable hand tool further has a locking mechanism to lock the holder in an open position. A blade holder lock engages a resilient arm formed in the side wall of the handle.

Abstract: A cutting tool comprises a first cutting edge and a second cutting edge movable into engagement with one another. The first cutting edge comprises an edge tip extending along at least a portion of the cutting edge. The edge tip has a geometry that lowers the cutting force required to cut hard articles and minimizes damage to the cutting edge. The edge tip has a flat end face defining a first edge and a second edge. A first side face extends from the first edge and a second side face extends from the second edge where the first side face and the second side face extend at an angle relative to one another such that the first side face and the second side face diverge as they extend away from the flat end face.

Abstract: A cutting tool comprises a first cutting edge and a second cutting edge where the cutting edges are movable into engagement with one another. At least one of the cutting edges comprises an edge tip extending along at least a portion of the cutting edge. The edge tip has a curved outer surface that in cross-section is bounded by a first line defined by the equation y=74x2 where x is within the range ?0.023 inches?x?0.023 inches and a second line defined by the equation y=294x2 where x is within the range ?0.012 inches?x?0.012 inches. The outer surface may also be within a range defined by predetermined coordinates.

Abstract: A hedge trimmer having improved operational balance includes a housing with a front handle and a main handle, a cutting assembly, a motor assembly, a transmission assembly and a switch device arranged on the housing for controlling the start of the motor assembly. The cutting assembly is connected to the housing, the motor assembly and the transmission assembly are arranged in the housing, and the transmission assembly for transmitting the rotation of the motor assembly to the cutting assembly is located between the motor assembly and the cutting assembly. The main handle is located between the motor assembly and the transmission assembly and a main part of the main handle is located above a motor output shaft in the motor assembly.

Abstract: A string trimmer has a blade storage mechanism wherein the blade storage mechanism has a cavity arranged on the body of the string trimmer for storing a blade.

Abstract: A chainsaw (1), comprising: a guide bar (10), a cutting chain (11) and a driving unit (25) arranged to drive the cutting chain (11) around the guide bar (10). The guide bar (10) defines a first longitudinal axis (16) extending along a centre of the guide bar (10). The chainsaw (1) further comprising a handle section (2) for carrying and operating the chainsaw (1), wherein the handle section (2) includes a control portion (3) disposed on the upper side of the chainsaw (1). The control portion (3) in turn includes a throttle lever (8) for controlling the speed of the driving unit (25) and the control portion (3) has a left (4) and a right (5) side. The control portion (3) defines a second longitudinal axis (17) substantially extending along an upper side of at least a part of the control portion (3). An angle, A, between the first (16) and the second longitudinal (17) axes is between 14° and 45°, and preferably between 14° and 35° and more preferably between 14° and 30°.

Abstract: An apparatus is disclosed, along with methods and constituent devices, for generating omnidirectional planar projections for an exemplary laser application to provide visual references for the construction field. The preferred embodiment utilizes a convex cone lens, the lateral surface of which provides for total internal reflection, to disperse the incident beam. The curvatures of the interior and exterior surfaces of a toroidal ring lens normalize and athermalize the dispersed beam such that the resulting projection is orthogonal to the incident beam throughout an operable temperature range. Alternate optical embodiments are also disclosed which utilize various means of dispersal and normalization such as a conical reflector, concave cone lens, double-prism ring and well-adapted spherical lenses.