Abstract: A mechanically strong, airtight, watertight seam provides for joining two panels of industrial strength fabric or material. The inventive seam has two connection systems. One system is a mechanically strong structural connection which is used to make the seam as strong as the fabric panel material. A second system is an all plastic slide closure in the form of a zipper connection which overlies the structural connection, joins the panels into a single cover, and makes the seam airtight, watertight and maintenance free.

Abstract: A socket constituting the female member of a snap fastener, which comprises a metal spring button part including an annular base, an inner portion extending inwardly and downwardly from the inner portion of said annular base, and further extending inwardly and upwardly and split into flaps which terminate with tongues arranged circularly for elastic engagement with a stud as the male member of the snap fastener, an outer portion curvedly extending outwardly and downwardly from the outer portion of said annular base and then inwardly to form portions to guide and receive the legs of a backing member of the snap fastener, and a cover plate having a circular opening of a larger diameter than the inside diameter of the circle defined by said tongues, said cover plate being secured to the periphery on the tongue side of said annular base.

Abstract: A branch-off seal between a recoverable sleeve and two or more substrates is effected using a clip the outer legs of which are positioned over the outer surface of the sleeve so as to form an appropriate number of conduits. The clip is provided with an inner leg comprising a heat-activatable sealing material and a heat-conductive member or region. The dimensional integrity of the member or region weakens on activation of the sealing material. Thus the amount of heat or mechanical rigidity between the substrate is limited.

Abstract: A machine for flame processing textile fabric webs (27), especially a singeing machine, is equipped with a burner unit (35) which comprises a combustion chamber terminating in a singeing slit, connected to a gas mixing chamber by a mixture feed slot (7).To save energy, the width of the working flame should be adjustable continuously and with low operating cost, whereby in particular provision should be made for automatically adjusting the flame width to the width of the fabric web (27) being processed. For this purpose, the burner unit (35) is provided with one or two flexible sealing strips (13) for the mixture feed slot, said strips being insertable from one or both ends of the burner unit, each of said strips further having its outer end wound on a winding body (33), rotatable for adjusting the inner ends of sealing strips (13).

Abstract: An apparatus and method for sizing warp yarn utilized in preparing a loom beam for weaving are disclosed. A porous application roll (A) is utilized for applying a sizing material onto a sheet of warp yarns (12) passing between a pressure roll (30) and the application roll. The application roll includes a continuous cylindrical porous application surface (B) formed around the entire periphery of the roll having an extent at least as great as the warp yarn sheet width. An intermediate porous distribution layer (C) is provided next to the application surface (B) for disbursing the sizing material onto the application surface. A porous flow control membrane (D) having a pore size less than that of the distribution layer occupies a boundary region for metering the sizing material. When the passage of warp yarns is discontinued, the application roll (A) is moved to an idle position by an actuator (38). In the idle position, liquid (72) is made to contact the application surface to maintain it in a moist condition.

Abstract: Pressure fluid operated servo system method and apparatus including a servo valve operable by an input signal to effect a system output movement; and which servo valve is responsive to the time rate of input signal receipt to vary a gain ratio of system output magnitude compared to input signal value; and method of making such a servo valve.

Abstract: A variable ratio rack has a linear array of teeth. The teeth in the linear array are disposed at a plurality of final tooth angles. In order to form the rack, a linear array of teeth is cut in a workpiece. The teeth in the linear array of cut teeth have a tooth angle which is less than the largest tooth angle of the plurality of final tooth angles and greater than the smallest tooth angle of the plurality of final tooth angles. After the linear array of teeth has been cut in the workpiece, the cut teeth are deformed to have tooth angles corresponding to the final tooth angles.

Abstract: A split die (12) has a removable split die insert (40) to make it adaptable for receiving different types of ferrules. A ferrule (72) and tube (70) to be attached thereto are received into a cavity (42) in insert (40). Tube (70) indexes on a radial shoulder (76) in ferrule (72). A drawbolt (20) with an elastomeric expander (38) thereon is positioned inside tube (70) with its shaft (22) extending outwardly and through an anvil insert (52, 62). The outer end of the expander (38) is prevented from extruding along drawbolt (20) by a split ring (36). The inner end of expander (38) is contained by portions of the anvil insert (52, 62). In one embodiment, shaft (22) extends through a machined bearing surface (56) in insert (52). A boss (54) on insert (52) extends into ferrule (72) and abuts the inner end of expander (38) to contain expander (38).

Abstract: An apparatus for applying an end plug to a nuclear fuel rod tube end includes a stationary base, a support carriage and a track assembly mounting the support carriage on the base for reciprocal movement relative to the base. The apparatus also includes a plugger guide supported on the carriage for movement therewith. The plugger guide has an elongated central bore with one end for receiving the end plug and an opposite end for receiving the tube end. The plugger guide contains a plurality of sets of bearings in spaced axial positions along the bore which adapts it to guide the tube end toward the end plug for application of the end plug into the tube end as the carriage is moved.

Abstract: A method for reconstituting a nuclear reactor fuel assembly having its top nozzle adapter plate welded to its control rod guide thimble sleeves. Circumferentially cut the sleeves from the adapter plate below the weld. Separate the top nozzle from the cut sleeve 5. Obtain a modified top nozzle refashioned with a groove in its adapter plate control rod passageways. Insert the cut sleeves in the passageways of the modified top nozzle. Circumferentially bulge the sleeves into the grooves. A system for attachment of the top nozzle to the sleeves employing the above-described circumferential bulge and groove attachment.

Abstract: The present invention concerns a new threaded joint for steel tubes, usable in particular in the petroleum industry, which contains a female element equipped with conical threads having an internal screw stop mating and a male element correspondingly threaded with a screw stop having a form corresponding to the female element. The male element stop and the female element stop are each manufactured by cold working using a tool capable of engaging in or on the threads of the corresponding element.

Abstract: A method for manufacturing a loose screen-stencil-roller showing at its cylindrical outer surface a pattern of indentations, comprising the steps of starting with a smooth-walled support cylinder being either a hollow thick-walled roller or a massive roller, upon which a thin-walled sieve is pushed, after which the sieve is clampingly secured upon said cylinder: the invention also deals with an apparatus for applying this method comprising a support cylinder with fluid passages enabling the mounting and removal of the sieve around its outer periphery.

Abstract: A pin driving tool is described for removing or inserting pins (103) which hold the backhoe teeth (101) in place on a bucket (100). The tool includes a driving bar (10c) with a handle (13) and with a pair of spaced apart side rails (10a, 10b) defining an opening (10c) for a plurality of the teeth (101). A drive punch (14 or 16) is removably connected to the driving bar (10) by a fastener (17) so that a pin can be removed or inserted from the teeth (101) on the bucket (100) by the tool.

Abstract: The disclosure relates to a tool changer which is disposed at a workpiece exchanger for machine tools. The workpiece exchanger is intended for automatic exchange of workpieces intended for fixedly clamping between the tailstock and/or chuck and comprises a carriage drivable in the longitudinal direction of the lathe, a slide vertically movable along the carriage, and a gripping device disposed on the slide. The gripping device is rotatable about a horizontal axis and has first and second jaw pairs which are horizontally shiftable parallel to and disposed on opposite sides of the above-mentioned axis.The tool changer according to the invention includes a pair of gripping means disposed on each jaw pair, the gripping devices of the gripping means being movable with the jaws for the purposes of tool change.

Abstract: In a pallet (31) for the seating of interchangeable clamping jaws (21) lockable to base jaws (4) of a chuck (1) the clamping jaws are inserted, for their retention in radially oriented, open-faced recesses (32) of the pallet (13). In the pallet, on both sides of each recess (32) one or more clamping bolts (33) are provided, each of which is arranged so as to be movable within limits and to which a pressure can be applied. By means of the bolts, the interchangeable clamping jaws (21) can be locked in a defined position in the pallet (31) and unlocked for their removal. This makes it possible to insert the interchangeable clamping jaws (21) without problems into the recesses (32) of the pallet (31) and also to remove them from the pallet without having to guide the interchangeable clamping jaws (21) laterally and without their jamming between guide surfaces. Rather, centering and fixing of the interchangeable clamping jaws (21) takes place automatically, when they are in a predetermined end position.

Abstract: Means for gripping and releasing tools and attachments used with a machine tool, especially a grinding machine equipped with a form grinding head, comprising a grinding wheel adaptor (22) a dresser roll cartridge (14) both provided with end compartments (25, 54) having a slot (35) adapted to be engaged by collet-type gripping apparatus (36) being part of maneuvering apparatus (37) also comprising a thrusting apparatus (40) adapted to selectively actuate locking apparatus (27) for the grinding wheel adaptor (22) on the spindle and locking apparatus for the dresser roll cartridge (14) on a movable support.

Abstract: The invention comprises an improved integrated circuit structure wherein an active device is formed in a silicon substrate for forming an intrinsic base region over a buried collector and an emitter is formed on the intrinsic base region to comprise three electrodes of the active device and at least one extrinsic base segment is formed in the substrate adjacent to the intrinsic base region to provide a contact for the intrinsic base; the improvement which comprises: separating the extrinsic base segment from the emitter formed on the intrinsic base to prevent the formation of a parasitic P-N junction between the extrinsic base and the emitter.

Abstract: Molybdenum-gate transistors with self-aligned, silicided source/drain regions are made by a process that avoids unwanted etching of the molybdenum of the gate when the unreacted metal used for siliciding is removed. The molybdenum gate is protected by encapsulating with a cap oxide and sidewall oxide; this encapsulation is applied in a manner to seal the interfaces between the two oxides. The oxides may be dual layer--first plasma deposited then phosphorus doped CVD oxide. A dilute sulphuric acid etch may be used to remove unreacted titanium employed for the siliciding.

Abstract: A novel lead frame structure is provided which contains an integral arrangement of leads for connection to a semiconductor device and a molded housing is then molded around the semiconductor device and the lead frame. The lead elements of the frame are then separated to define a plurality of individual semiconductor devices. The lead frame has an enlarged finger section which receives a semiconductor die. The enlarged lead frame finger has an opening just behind the region which receives the die. This opening as well as all identical openings along the length of the lead strip are then aligned with respective molding gates in one half of a pair of cooperating molding dies so that plastic injected through the gate flows through the opening and upwardly into the mold with the plastic filling the mold cavity from top to bottom while ejecting air from the mold as the mold fills through the clearance opening between the ejector pin and its receiving opening.

Abstract: A process for producing semiconductor devices with a high-performance vertical pnp transistor having a high h.sub.fe and a high f.sub.T, comprising a step for forming an impurity region of a high concentration in a portion of a p-type buried layer and for increasing the concentration in a diffusion layer for isolation, a step for forming an n-type well region that reaches the p-type buried layer and that serves as a base of the vertical pnp transistor, and a step for forming an emitter of the vertical pnp transistor in a portion of said n-type well region, and for forming a collector electrode contact portion of the vertical pnp transistor, said contact portion reaching said impurity region of high concentration, by introducing p-type impurities into a portion of the p-type buried layer that serves as a portion of the collector of the vertical pnp transistor and into the p-type diffusion layer that works as an isolation layer or channel stop layer.

Abstract: Contacting an underlying region (e.g., doped silicon) through an access hole in an overlying dielectric layer (e.g., p-glass) formerly required flowing the dielectric to smooth the edges of the hole, so that aluminum would deposit smoothly into the hole. The present technique smoothes the side of the hole by forming a smoothing region on the sidewall. Improved aluminum coverage results, as well as allowing a smaller contact head, if desired. Improved contact resistance can be optionally provided by depositing a more conductive layer on the underlying layer prior to forming the sidewall.

Abstract: A method of inserting field windings in the core of an axial flux induction electric machine, the method includes providing a former about which wire is wound to form a plurality of convolutions, aligning the former with a radial face of the core and then moving the convolutions from the former into slots in the radial face to thereby form a field winding.

Abstract: A hub of a permanent magnet rotor includes an elongated one-piece body portion with a bore running therethrough, a circular disc carried by the body portion between ends thereof, and a ring surrounding the body portion and bonded to the circular disc.

Abstract: A unitary integral electrically heated nozzle device for plastic molding or die casting equipment which has a novel casing integral with a heater core, which is insulated to prevent conduction of electricity and loss of thermal transmission to the casing, the electrical insulation being compacted within the casing and around the heater core and the assembly being sealed and swaged into a unitary form, the device being structured to heat the area of a gate or passage for delivery of molten material into a forming cavity. The nozzle device may be shaped, and the nozzle systems include such nozzle devices in the gate channels for delivering molten material to the forming cavity.

Abstract: A slide fastener chain with reinforcing strips is fed along a feed path through a finishing apparatus for trimming the reinforcing strips. The finishing apparatus has a chain guide unit, a cutter unit, and a chain tensioner unit. The chain guide unit includes a stop having recesses for accommodating some coupling elements and steps for engaging endmost coupling elements. The chain tensioner unit has a presser gripper for pressing the slide fastener chain against a support base and a presser roller for depressing the slide fastener chain to tension the same for thereby forcibly pushing the endmost coupling elements against the steps. When the slide fastener chain is tensioned by the chain tensioner unit, one of the reinforcing strips is accurately positioned with respect to the cutter unit. The reinforcing strip is then trimmed by central and side cutters which cut off excessive central and side portions completely.

Abstract: The substrate is formed by a stack of sheets of dielectric material (10) at least some of which have conductive patterns thereon (21-24); the substrate has conductive emerging portions (31, 32) for connecting the terminals of the component (1) to at least one internal layer provided with conductive tracks (24) providing layer-to-layer interconnection and interconnection with emerging portions in accordance with a pre-established patterns. According to the invention, the composition of the dielectric material comprises 92% to 98% alumina, and preferably 96%, with a melting agent based on magnesia titanate enabling the maximum firing temperature to be reduced to about 1400.degree. C. The conductive patterns are made of a non-oxidizable metal which is not meltable at high temperature, e.g. palladium or a silver-palladium alloy. The properties of the substrate obtained in this manner are comparable to those of a substrate made of 99.9% ultra-pure alumina.

Abstract: An electrical component for mechanical mounting and electrical connection with respect to plated through holes of a printed circuit board compatibly with a surface mount attaching process includes an electrically non-conducting body, plural generally elongate contacts extending from the body for insertion into such plated through holes, and the component having a reservoir for retaining solder type material for melting, for flow into respective plated through holes, and for re-solidifying mechanically and electrically to couple the component to such printed circuit board. Preferably the component is a connector, such as a header, and the contact pins or leads thereof provide interface connection between the printed circuit board and a separate or portable connector.A method for attaching such an electrical component to a printed circuit board compatibly with surface mount attaching processes and an apparatus to carry out such method also are part of the invention.

Abstract: A method and apparatus is provided for attaching a plurality of two-piece connectors of varying configuration to a specified length of multi-conductor cable at precise locations along the length of the cable and in any sequence of connector attachment. A device is provided for storing and downwardly advancing a precise length of cable, cutting one end of the cable at a cutter station, and locating the cable between a connector assembly station where a pair of connector halfs are automatically attached to the cable at a precise, predetermined location. The cable is then laterally moved to one or more connector assembly stations where one or more additional connectors are attached to the cable. The cable is then moved back to the cutter station where the cable is cut flush against the top of the last connector to be attached to the cable. All drive and movement functions of the apparatus are controlled by a pre-programmed microprocessor.

Abstract: An automatic process and apparatus for producing terminated coaxial cable jumpers. A control system utilizing a microprocessor accepts push button entry of variables such as job identification number, quantity to be produced, jumper length, and jumper configuration. In addition to the control system, the apparatus includes a feed-measure-cut system for introducing raw lengths of jumpers into the process and a conveyor system for transporting the jumpers, in stepped sequence, to a series of work stations which operate on at least one end of each jumper and finally result in completed jumpers. Tests are performed at some of the work stations and those jumpers which fail any of the tests are removed from the process.

Abstract: A razor blade unit has a pair of single edged blades mounted between a base member and a cap member with a spacer between them. The spacer has fingers extending forwardly from a spine located to the rear of the blades to define channels between the fingers. These channels cooperate with holes at the rear of the unit and additional holes passing through the base member and the cap member to facilitate the removal of shaving residue from between the cutting edges of the blades. Additional holes communicating with the channels in the spacer are provided in each end of the razor blade unit to permit rinsing of the residue from the holes and from between the blades by applying water through these end holes.

Abstract: A nut splitter is shown which includes a base for supporting the splitter upon a planar surface. A jaw having a cutting wheel rotatably mounted thereon is pivotally mounted on the base and is movable between an open position allowing placement of a nut on the base and a closed position in which the cutting wheel of the jaw contacts a nut. A lever arm has a pivot end which is pivotally attached to the jaw and an oppositely extending length which terminates in a free end which forms a handle for applying force to the jaw to move the jaw between the open and closed positions. An elongate bar is pivotally attached at one end to a point intermediate the pivot end and free end of the lever arm and has an opposite end which abuts a stop on the base, whereby the bar serves as a fulcrum point for the lever arm in applying force to the jaw.

Abstract: A new electric hedge trimmer utilizes an innovative metal wire whip, rotating at high speed inside a dish-shaped whip and chip guard, to cut hedge, bushes, vine and other relatively large-stemmed foliage effectively, safely and conveniently, as described above and as facilitated by a system of switches and handles. The wire whip can be constructed from any one of several metals, alloys or space-age composite wires to enhance performance and durability. However, scrap copper wire has been used to cut hedge five times faster and better than existing methods such as plastic monofilament or heavy metal blade cutters. For optimum performance, the wire whip is rotated at speeds in the order of 10,000 to 20,000 RPM which are easily attainable by modern motors. A close-coupled loop handle, a self-storing extension handle and a substitute extension handle provide for use of the device on low, medium or high growing foliage.

Abstract: This disclosure relates to a guide bar for a saw chain which includes a pair of side plates and a center plate laser welded to and between the side plates. The center plate has a peripheral edge which is spaced inwardly from the outer periphery of the side plates so as to form a peripheral guide channel or groove for the chain. The disclosure further relates to a method of making a three-plate guide bar wherein the plates are laser welded together.

Abstract: A fastening system in one embodiment comprising a support member and a plurality of leaves stacked together and affixed to the support member. At least a portion of one side of each leaf is covered with an adhesive material. A connecting member having a first free end has its second affixed to the support member. Means are also provided for affixing the first free end of the connecting member to an elongate member.Another embodiment of the present fastening system comprises a suction cup, a connecting member having a first free end and whose second end is affixed to the suction cup, and means for affixing the first free end of the connecting member to an elongate member.

Abstract: The instrument includes a cylindrical chamber with two parallel end walls. At least one of the end walls is plated with two semicircular condenser plates forming a gap between them. The chamber is filled half and half with two non-intermixing liquids of different specific gravity. In one embodiment the other end wall is plated with a third condenser plate and the two liquids are non-conductive and have different dielectric properties. In another embodiment, the two condenser plates on the one end wall are plated with a dielectric layer and at least one of the two liquids is an electrolyte. The instrument has a high measuring range and high accuracy and resolution.

Abstract: A straight edge stock is lockable at any desired location along the length of a steel rule with the stock and rule forming perpendicular straight edges. The stock includes an integral protractor triangle projecting from a thicker barrel of the stock and having a hypotenuse edge extending generally from the bottom of the stock barrel angularly toward the rule. The margin of the protractor triangle adjacent to its hypotenuse edge has a scale of angle calibration markings indicating the angle of a line connecting each individual marking and the top of the leading edge of the thicker stock barrel.

Abstract: A transparent ruler with a U-shaped slot, a multiplicity of separate scales, and reference numbers. The scales are exactly perpendicular to each other, with one being horizontal and the others being vertical. Three slots are on the ruler, two of which are parallel with the vertical scales and one of which is parallel to the horizontal scale. The slots intersect so as to form one big square U-shaped slot. There are arrows on the top and side edges of the ruler which are collinear with the slots. These arrows are used for reference purposes when extending a line, squaring a line with respect to another line, etc. The vertical scales are used to draw perfectly parallel lines with respect to the horizontal slot.

Abstract: A gauge having a substantially circular band capable of being deformed out-of-round from the application of a predetermined force and having a specified inner circumferential length to be compared with the length of a circumference around an object. The gauge further includes a support body adapted to connect with the band so as not to enable positioning the band in coaxial alignment with the object circumference and allow the band to flex and deform in circumscribing the circumference when the band is moved axially to accomplish such circumscribing.

Abstract: An athletic shoe for running is disclosed. The shoe has a tread design of triangular faced, slope-sided, prism-shaped, canted studs arranged in a pattern which limits and controls impact forces conducted to the foot. A set of triangular, prism-shaped stabilizer pins molded laterally into and across the outersole protects the metatarsal bones and helps to propel the foot into the next step. Tetrahedral lateral heel stabilizers control lateral roll of the ankle area and pyramidal buttress supports at the stabilizer end reduce impact shock to the metatarsal area. An interior sole further reduces impact forces and an interior lining directs perspiration away from the foot.

Abstract: The invention comprises an apparatus for digging obstructions out of the ground. The apparatus has a first frame adapted to be attached to the framework of a three point hitch connection on a tractor. The hitch connection has hydraulic means to raise and lower the hitch whereby the hitch will raise and lower the first frame. The apparatus has a second frame pivotally mounted to the first frame with digging members fixed on the second frame. The apparatus has hydraulic means for pivoting said second frame on its pivotal mounting to an angle whereby the first frame may be lowered and the digging members may be engaged into the ground at an angle to penetrate beneath an obstruction and may be pivoted upward to lift the obstruction out of the ground, a hook is pivotally mounted on said second frame to pivot down over said rock digging members to secure a rock on said members.

Abstract: A map holder for automotive vehicles comprising a transparent cover and a bottom plate adapted to receive a map therebetween. A telescopic pointer is slidably and pivotally secured on the bar which is mounted on the bottom plate. This arrangement allows tracing a route and pinpointing the actual location of the vehicle on the map. A non-permanent marker is used to apply a route on the transparent cover. After the desired destination is reached, the marking on the transparent cover is erased by a soft paper tissue or the like.

Abstract: A picture retaining clip for use at the corners and along the sides of a back-loading picture frame. The clip may also serve as a means for hanging the frame. The clip is a strip of resilient material with a central portion having two ends bent away from it. When the clip is mounted at the corners of the frame, slots at each end of the clip mesh with a ridge at the rear of the frame. When the clip is mounted along the side, top or bottom of the frame, slots formed adjacent the central portion of the clip and slots formed at the ends of the clip mesh with raised ridges along the inside of the frame. A hole or slot in the central portion of the clip may receive hooks, nails, or wire for hanging the frame.

Abstract: A display unit for displaying indicia such as advertising material has a light box in which there are a series of lights. The box has a reflective surface capable of passing light outwardly from inside the box but reflecting light applied exteriorly of the surface. Indicia are mounted within the box carrying translucent and washed areas. Lighting of the lights displays the indicia and extinguishing the lights results in a mirrored surface only being apparent.Modification include making the masked areas of a reflective material to give a repeated reflection effect when the lights are lit.

Abstract: The body of an identification carrier has two wings that surround an electric line. One part of a clip closure is mounted on a clamping strip in the path of the line. The carrier, which is secured on the line by the closure is fastened to subsequent carriers on the line by a snap connection on each face.

Abstract: A limited line viewer assembly for selectively viewing data on a computer printout sheet or related usage.The device has multiple slide assemblies which are entirely contained, in the open and closed positions, within the confines of a surrounding housing assembly.The slide assemblies and a housing wall have means which cooperate to effectively lock the device in an open or closed position until desired to be manually changed by a user.

Abstract: A novelty display device which simulates a snow fall. The device includes a base having a transparent container positioned on its top which forms a substantially closed chamber. An electric motor is contained within the base and rotatably drives a fan blade contained within and adjacent bottom of the chamber. Lightweight particulate matter is disposed within the interior of the chamber so that, upon actuation of the fan blade, the fan blade inducts the particulate matter from the bottom of the chamber and circulates the particulate matter throughout the chamber thereby simulating a snowfall.

Abstract: An apparatus and method for producing a multisided, multicolored display which includes an enclosure with a plurality of translucent light scattering sides, top and bottom. A plurality of light sources are positioned in a spaced apart relationship to radiate sufficiently to illuminate all of the light scattering sides. Each of the light sources is of a different color, and the radiation from each source overlaps radiation from the other sources on the light scattering sides. A plurality of symbols may be interposed between the light sources and the light scattering sides to create colored images. Each of the enclosures represents a module, wherein several discrete modules are structured in a matrix fashion, and the entire matrix comprises the display.

Abstract: A concealed inventory control device for readily identifying and accounting for objects arranged in sequential front to back and side to side alignment comprising a mechanism for readily identifying the objects arranged from front to back and side to side on a mechanism for supporting the objects, a mechanism for concealing the mechanism for readily identifying, a mechanism for moving the mechanism for readily identifying between a first viewable position and a second non-viewable position, and a mechanism for holding the means for readily identifying in the second non-viewable position.

Abstract: A post sign having a message panel supported by one or more posts. Each post has an elongated channel connected to an outer side of the post by an elongated slot, and the message panel is mounted on the post or posts by an interconnecting support member which fits in the channel, leaving exposed an upper terminal portion of the channel and slot. The open upper end of the support member is covered by a spacer cap, and the open upper end of the post is covered by a post cap having a tab which fits into the open terminal portion of the channel and slot in the post. The caps thus render substantially invisible the open terminal portions of channel and slot.

Abstract: An anti-lock up improvement for a conventional revolver which comprises a cam follower lever cooperating with cam surfaces on the hand for insuring that during a manually controlled movement of the trigger through a second segment of its return stroke, following a manual hammer movement back into its battery position, the hand end will move into a position to engage the next ratchet tooth after the trigger has been engaged with the cylinder lock, so that the trigger can be manually moved into its rearward position from any position within the manually controlled second segment of the return stroke of the trigger, thus preventing the trigger from being locked against such movement as would be the case when the hand moves into a position to engage the next ratchet tooth before the trigger has been engaged with the cylinder lock, and the manual movement of the trigger toward its rearward position is commenced after the hand end has been moved into a position to engage the next ratchet tooth and before the trigge