Abstract: A solvent reclaiming dryer having an endless duct system including an evaporating chamber, fan, heater, condenser and condenser bypass duct in its circuit and having means to alternately pass heated solvent-laden gas through the condenser and through the bypass duct to increase the vapor pressure of the solvent that is passing through the condenser, thereby increasing solvent reclamation efficiency. Also shown are an explosion hatch and an automatic fire extinguishing system for use in tumblers evaporating inflammable solvents.

Abstract: A teaching device useful in helping children, especially slow learners, in spelling, reading and pronunciation. The device includes a three-tiered case or housing having a movable drawer on each tier. Each drawer is divided into a plurality of compartments. In each compartment are placed a plurality of three-dimensional letter pieces which may be colored in a plurality of different colors to reflect different pronunciations in different words. One color code is provided for vowel pronunciation, while another color code is provided for consonant pronunciation. Additionally, the drawers may contain groups of connected letter pieces, consisting of two or more letters, to aid in forming words with common prefixes, suffixes, or intermediate letter groupings. The casing has the color code imprinted on one side thereof, and a syllable pronunciation aid imprinted on the other. On the back of the case are positioned small canvas boards upon which are imprinted additional phonics and writing information.

Abstract: A study device for teaching children or other users predetermined study items, such as letters of the alphabet, in response to depressing desired ones of a plurality of push-plate operating portions. The study device includes a casing having a plurality of study elements provided in horizontal rows and vertical columns. Each study element includes an indication plate having an indication surface formed on the upper surface thereof, and a push-plate disposed below the indication plate, the push-plate including a resiliently supported operating portion. When the operating portion of a particular push-plate is depressed by the child, the indication plate will rotate to stand upright. One resilient member resiliently supports a plurality of the operating portions of the push-plates.

Abstract: A sole body for footwear including a longitudinally extending body having an upturned fore part extending rearwardly from the front end of the sole body which terminates in a front groove extending transversely of and in the bottom thereof. A central rocker portion is formed on the bottom of the sole body substantially midway between the front end and the rear end of the sole body and connecting with said front groove with a heel formed on the rear part of the sole body. The heel includes a compressible insert intermediate the upper and lower surfaces of the heel portion. The rocker portion is arcuate convexly outwardly of the sole body on an axis perpendicular to the longitudinal axis of the sole body and extending outwardly beyond a plane connecting the outermost surface of said fore part portion and said heel whereby a roll action of the sole body is provided between the initial contact of the compressible heel and the fore part in the gait of the user.

Abstract: A sole for running shoes which utilizes detachable tread elements. The main sole contains perforations consistent with the pattern and number of tread elements. Integral with the elements are shafts which fit into the perforations. This arrangement allows the user to replace worn treads and this greatly extends the usable life of the shoe.

Abstract: An improved athletic shoe in which the solepiece has a wedge to facilitate supporting the runner's foot when contacting the ground; the toe box section being provided with pleats to allow expansion for toe movement when the foot flexes; the solepiece is provided with a flexure break segment of reduced thickness following the phalangal-metatarsal joint line of action of the human foot to permit differential flexure of the solepiece in a manner following such lines of action; and the heel part of the solepiece is rounded for optimizing initial and following ground foot contact.

Abstract: A display device such as is used to display information relating to the description and price of goods for sale comprises a facia panel (10) to which is attached one or more cartridges (20) each carrying self-coiling information strips (29,30,31) readily adjustable so that the information regarding the goods may be quickly and easily changed, the attaching means (27,28) provided on the cartridge (20) and the attaching means (13,14,15,16) provided on the facia panel (10) co-operating to provide a push-pull connection.

Abstract: A poster display and kit therefor provides an inexpensive point-of-sale advertising poster, with stiffening ribs which hold opposite vertical edges of the poster planar thereby preventing rolling or curling. Two telescoping sections with a rubber band stop provide an adjustable vertical pole support for the poster which may be attached thereto with adhesive strip. The pole of the poster display is held in an upright position by securing it to a cardboard, corrugated cut-case, or wire merchandising display using one or more specialized straps which encircle the lower pole section and hold the same to the cardboard merchandise container with an arrowhead tab, gummed plate, or, when the same is attached to a wire merchandising display or stand, by looping the strap around both the pole and a wire element of the display. The poster display kit, when disassembled into its component parts, may be packed for storage or shipping into the larger of the telescoping pole sections.

Abstract: An assembly for mounting and supporting street signs includes a cap structure adapted to be fastened to the top of a post and to secure a lower sign in place, and a two-piece upper sign holder for mounting an upper sign crosswise to the lower sign. The cap structure includes an integral clamping jaw extending from its base which cooperates with a second clamping jaw to secure the lower sign to the post. Attached to the upper edge margin of the lower sign is the two-piece sign holder. Each piece of the sign holder is identical and has an upper clamping jaw disposed crosswise to a lower clamping jaw such that when both pieces are clamped together the lower sign is secured between the lower clamping jaws at the same time the upper sign is secured between the upper clamping jaws.

Abstract: A free-standing display system comprising a base, an upright post supported from the base and a plurality of shelves mounted on the post, is described. Each of the shelves has an opening dimensioned and shaped to fit freely around the post. The shelves are securely mounted on the post at desired height by means of wedges releasably held on the post by lugs which engage corresponding holes in the post. With the wedges in place, the shelf is moved downwardly around the post until the walls of the shelf opening, which are inclined to match the wedging surface of the wedges, snugly engage the wedging surfaces. Differently shaped and dimensioned shelves may be employed in the system and the shelf opening may be at the shelf centers or adjacent an edge. No tools are required to assemble or disassemble the shelves to the post. A header may be fastened to the upper end of the post, after the desired number of shelves are in place, to carry product identifying indicia or an advertising message.

Abstract: A base includes an offstanding bracing portion and includes a reel holder at one end with a short resilient rod engaged with the base near the reel to carry line from the reel. A trigger device at the other end normally holds the rod down under tension until a fish engages the baited end of the line. The fish pulling on the baited end of the line, releases the trigger device thus enabling the rod to snap upwardly and thus set the hook in the fish's mouth.

Abstract: A mailbox-shaped container having a plurality of openings, each designed to receive packages of a different size and shape with a rotatable platform at the bottom of the container and a hinged transparent door at the rear of the container for permitting light to pass into the container and on to the platform and to permit removal of packages from the container. A kaleidoscope is secured to the container and passes therethrough so that an observer can view the contents of the container from the outside through the kaleidoscope and, at the same time, obtain the view of brightly colored objects rotating on the platform with a kaleidoscopic effect. The output from the kaleidoscope will continually change by rotation of the rotatable platform either manually from the outside of the container to which the platform extends or by other motive means.

Abstract: A tool for molding damp sand or other capillarily held insoluble granular material is disclosed. The tool is capable of forming a channel in a mound of material or removing a block of material from the mound. The disclosed mold of the preferred embodiment has flexible walls which can be moved back and forth to prevent adhesion of the granular materials to the walls of the mold and to facilitate easy removal of the mold.

Abstract: A toy vehicle is disclosed including a vehicle body or housing including a front projectile receiving channel and a separate top projectile exit channel. The housing includes a wheel actuated impeller for carrying the projectile from the front projectile receiving channel to the top projectile exit channel. An impeller stop member is provided to temporarily stop the flexible impeller to bias the impeller until sufficient biasing force is accumulated in the impeller to snap the impeller beyond the stop member and strike the projectile with the snapping force of the impeller to propel the projectile out of the projectile exit channel and thereby out of the toy vehicle.

Abstract: The toy doll includes a flexible body and a head portion which are shaped to respectively include the upper and lower portions of the doll's mouth. Means are provided in the head for pivoting the head portion with respect to the body when the body is squeezed, thereby to open and close the doll's mouth. A reed sound mechanism is provided in the body for making a child-like sound when the body is squeezed.

Abstract: Controllable response toy systems in which the response is delayed by a suitable interval. A toy is set for action by the manipulation of one of its members, such as an arm. The arm thereafter moves spontaneously from the set position, after a suitable interval, and brings about a desired action, such as the throwing of a ball. When the interval resulting from the setting action is variable, the toy gives the appearance of deciding on its own when to take action.

Abstract: A container for accommodating an identification paper is, itself, accommodated in a receptacle mounted on the inside surface of a door. A securing device in the receptacle and the door releasably secures the container in the receptacle until released by someone on the inside of the door and retrieved by someone outside the door.

Abstract: A closure for a sterilizer or other pressure vessel, the door having a compound motion to permit swinging movement on hinges and lateral sliding movement with respect to the hinges.

Abstract: A safety cabinet for the storage of flammable or combustible materials has doors and a closure mechanism designed to automatically close and latch the doors in the event of fire. In one version, apparatus is provided to time the closing of the doors to insure a complete seal and lock. In a second version, apparatus is provided to seal the cabinet independently of the closing sequence of the doors.

Abstract: There is disclosed a single hung aluminum window in which the sash is provided with plastic inserts in its stiles at their upper and lower ends, such inserts having portions which serve as guide and spacer members which bear against the jambs of the frame in which the stiles are positioned. The inserts also form housings which include respective pushbuttons and bias springs, the buttons extending through aligned openings in such housings and the inner stile faces. In the head portion of the frame are elongated stop members adapted to be swiveled between vertical and horizontal positions, and which in vertical positions prevent upward movement of the sash beyond the point wherein it is not engaged by the feet of the balance mechanisms mounted in the jambs.

Abstract: Sliding door structure including an outer frame, at least one fixed and one movable door panel, and a screen door, said frame including a head having a single, inwardly extending movable door panel guiding fin and all mitered corners which corners include integral, offset abutment structure for insuring proper alignment of the corners in assembly, improved weather stripping at both the top and bottom rail of both the fixed and movable door panels, bottom adjusting structure for the movable door panel, and two-member glazing structure for the door panels capable of resisting high wind force and permitting glazing of the door panels from the inside. The frame and door panels include substantially universal and reversible members to reduce inventory. Resilient bumpers, a weather stop and prowler lock structure permitting locking of the sliding door structure of the movable door panel in a number of selected positions are also disclosed.

Abstract: There is described a roller assembly which is adapted to be snapped into and out of a channel of a sliding frame closure which device is used to adjust the effective height of the closure relative to an aperture frame in which it is installed.

Abstract: Rotors are located to engage opposite sides of a brake disc. One or both rotors is a grinding rotor and rotation of same accomplishes rapid finish treating of the disc. The rotors and a drive plus an actuator are supported by a hand held frame. An actuator effects relative movement of the rotors toward and away from one another.

Abstract: Machine for grinding hard workpieces, with an arm equipped at one end with a grinding tool, a machine base supporting a table on which the workpiece is mounted, and an arrangement for supplying cutting liquid, which comprises in combination:an arm pivoted to swing up and down in a vertical plane which is fixed in position relative to the support,means for raising and lowering the arm,a table supported on hydraulic floatation feet to which a stream of cutting liquid is supplied,a machine base on which the table is mounted to be mobile thereon,means for moving the table in two directions on the machine base.

Abstract: A workpiece rotational speed controller having a pulse counter responsive to a pulse signal generated from a pulse generator for indicating the actual angular position of a cam shaft during grinding on a cam grinding machine and a comparator for comparing a count value of the counter with any one of set values which are set in a plurality of digital switches to designate respective speed change positions. A region detection counter is further provided, which counts any coincidence signal from the comparator so as to enable a command voltage generator to apply to a servomotor for cam shaft drive a command voltage that changes step by step in correspondence to the region detection counter output. This counter output is also applied to a gate circuit, which is thus enabled to selectively apply the set values of the digital switches to the comparator.

Abstract: A grinding machine wherein the grinding head is positioned on the work piece at a selected pressure to prevent overloading of the drive motor. The head consists of two vertical slides supported on roundway roller bearings from a vertical column. The bottom slide supports a driven contact wheel and the top slide supports an idler wheel. A coated abrasive belt is positioned around the contact wheel and the idler wheel. A pair of pneumatic cylinders are provided between the two slides to bias them apart and apply tension to the coated abrasive belt. A double acting hydraulic cylinder is supported by the vertical column and connected to the bottom slide for positioning the grinding head. Hydraulic pressure for down feeding of the head is regulated so that the drive motor cannot be overloaded. An incremental feed is provided for feeding the head down a selected increment each time the work table reciprocates. An adjustable fixed stop is provided for limiting downward movement of the bottom slide.

Abstract: A tramming fixture and method for accurately tramming in, or positioning, a dressing wheel with respect to a dressing axis of a dressing machine so that all points on the surface of the dressing wheel which contact the workpiece during dressing are equi-distant from such dressing machine axis. In accordance with this invention, the tramming fixture provides a mechanism for obtaining a measurement representative of the distance between a reference line and the point of dressing contact on the peripheral surface of the dressing wheel. By tilting or rotating the dressing wheel about the dressing axis through predetermined angles, taking corresponding distance measurements, and comparing the measurements, a determination can be made of the appropriate position adjustment required to properly locate the dressing wheel.

Abstract: The pneumatic structure comprises a pneumatic compression ring having a top cover under tension and being suspended from support columns by means of a cable system, the structure being suitably stiffened. A lower membrane can be attached to the lower portion of the pneumatic compression ring to create an inner space for holding equipment, such as a solar energy collector.

Abstract: An inflatable dock seal for closing the area around a dock opening in a wall with respect to a railway car or the like is secured to said wall by devices comprising uninflated tubular members attached to said inflatable dock seal and rigid structural members positioned in said uninflated tubular members so as to extend longitudinally of the sections of the inflatable dock seal. Clamps are affixed to the wall in which the dock opening is located and adjacent thereto and the uninflated tubular members with their rigid structural members are engaged by said clamps to secure the dock seal to the building about the dock opening therein.

Abstract: A roof gutter of channel shape sheet material, its front flange of greater height than its rear flange, has a series of overflow ports formed in the front flange at a level below that of the top of the rear flange, to prevent water overflowing the rear flange and entering the roof structure, these overflow ports being formed in the bottom part of a continuous longitudinal groove (viewed from the front) formed in the front flange of the gutter, and so the ports are not visible when the gutter is viewed from below.

Abstract: A facility cover in the form of an extensible shed has movable arches that support a flexible canvas cover. The arches are modular and are connected in groups by diagonal elements hinged so as to form parallelograms with pantograph movement. The ends of the shed have at least one arch of reduced height so as to form an apse shape. Folding elements are provided on the sides of the shed that cooperate with the hinged parallelogram structure so as to assure that the cover folds outwardly in a bellows fashion as the arches are moved close to each other. As a result, the folding of the cover does not interfer with the movement of the arches.

Abstract: A connector for interconnecting joists which define triangular panel roof areas of a geodesic dome and comprised of a metal sleeve having a plurality of circumferentially spaced openings extending therethrough and a plurality of metal tongues secured to the adjacent ends of the joists at their junction point and extending radially inwardly through the sleeve openings, each having a tapered pin extending through its tongue and bearing against the inner surface of the sleeve to cam the joists' ends against the exterior of the sleeve and thereby hold the same in rigid fixed relation to the sleeve.

Abstract: Two diametrically opposite corners of roofing tiles are cut off to provide cut-outs which are stepped in several steps so as to have at least two edge portions parallel to the side edges of the tile, said edge portions lying closely adjacent matching edge portions of diagonally adjacent tiles of the roofing with a small clearance, whereby the passage or joint formed by the opposed matching edge portions will comprise two parallel non-aligned stretches with a connecting transverse, preferably wider stretch serving as an expansion chamber.

Abstract: A block having opposite first and second faces adapted for use in construon. The block comprises male and female assembly means for interlocking a plurality of the blocks. The block comprises at least one male assembly means protruding from the first face. Each of the male assembly means has a vertical section and two substantially horizontal sections arranged at both ends of the vertical section. The female assembly means is arranged on the second face of the block and has a substantially rectangular cross-section.A block for use in construction. The block comprises assembly means for interlocking a plurality of the blocks. The assembly means comprise first and second opposite faces provided with at least one male assembly means and one female assembly means. The male assembly means comprises a frangible section.The block covered by the invention offers the special advantage of permitting walls to be built by simple superimposition.

Abstract: A wall facing assembly comprised of wall facing panels and suspension rails. The panels have offset top and bottom ribs which cooperate with each other and the suspension rails.

Abstract: The invention relates to a mounting device for panel elements, especially for buildings and the like, which mounting device includes a number of mounting bars, which are mounted on the surface to be covered by the panel elements which are provided with a number of mounting ribs for cooperation with the mounting bars. The object is to provide a simple device of this kind, which device allows mounting without requirement for accurate alignment of the different details. This is accomplished in that each mounting bar carries a number of retaining members for cooperation with the mounting ribs. The retaining members are locked against movement perpendicularly to the longitudinal axis of the mounting bar but are freely slideable along the mounting bars to enable adjustment of the retaining members relative to the mounting ribs.

Abstract: A moulded concrete roofing tile has at least two projecting nibs on the underside of the tile which nibs are spaced apart along the length of the tile. The tile may therefore be hung on a batten from either nib. An edge portion of the tile is cut away to receive a portion of a second tile in a vertical row adjacent a vertical row occupied by the said tile and staggered with regard to the said tile. In this way a horizontal row of tiles may be hung on a single batten with adjacent tiles in the row being displaced vertically in relation to one another and a roof may be constructed with the tiles in adjacent rows staggered but using only the same number and spacing of battens as would be required for rows which are not so arranged.

Abstract: The invention relates to modular elements assembled either by juxtaposition in a single plane or in offset planes, or by superposition with angular displacement. Each modular element is constructed as a hollow right prism driven in or not at one of its ends and whose perpendicular cross-section is star-shaped with several arms inscribed in a circle or in a regular polygon. The arms form tenons alternating with hollow portions forming mortises thus enabling assembly of the modular elements to one another. Each mortise includes at its base two notches enabling assembly by superposition with angular displacement of two modular elements, a graft formed in the lower position of each lateral end of the tenons avoiding any interference in the course of this assembly. The invention can be used for the construction of flower boxes, bins, clisters or any other cellular units.

Abstract: This invention relates to a device for spacing apart objects conveyed through an operation-performing machine provided with operating-performing means arranged in a predetermined operating zone along an object support surface. The device according to the invention comprises a pair of transverse pushers, which are disposed at the two sides of said support surface upstream of said operating zone and can be displaced from a rest position to a working position in which they are able to engage with opposite sides of the objects. Said pushers are suitably controlled by means sensitive to the position of the objects along said support surface.

Abstract: An apparatus for closing boxes comprising a conveyor for bringing a box in centralized position between two vertically arranged transport belts which can be moved toward each other to engage the side walls of the box the four top flaps of which are open, whereafter the said transport belts move the box to a bridge the height of which is adjustable and which is provided with a sensing member, which on the engagement thereof with the fore wall of the box when the bridge is in its lowest position operates means to cause raising of the said bridge until the said sensing member comes into engagement with the fore wall flap of the box, which flap is closed by further movement of the box, the bridge being provided with a pivotably mounted arm carrying a rotatable wing for closing the rear flap of the box, with fixed arms for raising the side flaps and with pivotable arms carrying closing members which can be moved downwardly at an oblique angle toward the center of the upper surface of the box for closing the side f

Abstract: This invention provides a packaging system for processing a web from a roll to fold it, insert a product and to seal it about the product to form the package. All web processing equipment is cantilevered to one side of a panel to permit ready replacement and feeding of a new web roll. Quick changeover features are also included for changing web and package size. The entire drive mechanism for pulling the web through the system is a motor driven reciprocating member grasping and pulling a length of web through the system for each programmed package.Preferably the web is of a thermoplastic material which can receive and display such products as peanuts, and other food products, hardware, and the like. All mechanisms are in the form of cantilevered members for passing the web through a feed path held stationarily in place on a single panel except for the single reciprocating drive member.

Abstract: There is disclosed a new and improved envelope processing machine. The machine includes a supply hopper for retaining a quantity of envelopes to be processed, cutting means for severing an edge of an envelope, an envelope processing station, envelope feed means, and envelope transmitting means. The envelope feed means removes the envelopes from the hopper and places them onto the transmitting means one at a time in succession. The transmitting means conveys the envelopes to the cutting station whereat an edge of each envelope is severed. The transmitting means then conveys the envelopes one at a time to the envelope processing station which includes envelope opening means having a pair of reciprocating tacky adhesive pads arranged to grip and separate opposite panels of the envelopes to facilitate the removal of contents therefrom.

Abstract: A method for filling gas into a container comprises the steps of forming a severed portion through the wall of the container, deforming outwardly a wall portion of the container adjacent to the severed portion so as to form a projecting portion, whereby a gas introducing passage communicating across the wall of the container is formed, supplying pressurized gas into the container through the passage, and deforming the projecting portion inwardly to close the gas introducing passage.

Abstract: A method and apparatus for manufacturing tea bags and the like is disclosed. The bags are made by forming a web into a flattened closed tube while continuously introducing tea and the like into the tube and pinching the tube at successive locations along transverse pinch lines corresponding generally to the required bag length. The tube is then caused to travel upwardly so that the tea tends to migrate downwardly under gravity and creates voided areas below the pinch locations and the tube is then heat sealed transversely in those voided areas. Finally, the bags are severed from the tube along lines disposed generally centrally of each transverse heat seal.

Abstract: A web feeding system reels the web off a web roll in increments of predetermined length for forming a package by a braked web spool and dancing roller array to pass through a work station such as a printer for registration at package sealing stations. The web is yanked, one package length at a time, by a reciprocating web transit motivating member grasping and withdrawing the web from the roll on an advance stroke and synchronized to brake the roll and to prevent movement through the feed path upon the return stroke.

Abstract: The present invention is directed to an apparatus and method for collecting the discharged grass clippings of a lawn mower. The lawn mower includes a discharge opening at the lateral side or the rear side of the lawn mower. Grass clippings are directed through the discharge opening to a conveyor member, thereafter the clippings are deposited in a catcher. The present invention does not require a high speed air flow to discharge the grass clippings. Further, since the grass clippings are discharged by a conveyor member into the top opening of a catcher the level of grass clippings positioned in the catcher may readily be observed so that it is very easy to determine when the catcher should be emptied.

Abstract: A powered lawn mower adapted to slice grass into small pieces and to disperse these pieces on the lawn to provide a mulch therefor to enrich the soil without impairing the appearance of the lawn. The mower includes a multi-bladed, multi-level rotor having a central hub which is driven to rotate about a vertical axis. Three sets of blades radiate from the hub in staggered relation, the first set being at the level of the hub and having the longest blade length. The second set is a step below the hub and has an intermediate blade length, and the third set is a step below the second and has the shortest blade length. The leading edges of the blades are pitched to create an air foil effect producing an updraft to raise the grass and thereby facilitate a cutting action.

Abstract: A fresh market tomato harvester comprises a leading knife for severing tomato plants, an inclined ascending conveyor for transporting the cut plants upwardly onto the harvester, a shaker bed for removing the tomatoes from the vines, transverse cross conveyors for receiving the tomatoes after they have been shaken from the vines and for transporting them laterally outward, longitudinally extending side sorting belts for receiving the tomatoes and transporting them rearwardly past workers who remove stems and other foreign matter as well as overripe fruit, sizing conveyors for automatically classifying the tomatoes by size and rejecting undersized tomatoes, and, optionally, a washing station for removing gummy matter and dust. The elevator carries arcuate tines, each of which is covered with surgical tubing which extends beyond the end of the metal tine to provide a resilient yielding structure.

Abstract: According to the present invention an agricultural machine for forming a round bale of windrowed fibrous material comprises a displaceable chassis carrying spaced apart side plates defining the width of a bale-forming chamber, a pick-up device located towards a forward end of the chassis and adapted to pick-up fibrous material from the ground and to discharge the fibrous material on to a carrying surface, which extends generally horizontally, of a first, fixed position belt conveyor defining the bottom of the chamber, and having a head end adjacent the pick-up device and a return end remote from the pick-up device, and serving to carry the fibrous material away from the pick-up device, and a plurality of additional belt conveyors each having an active surface adapted to co-operate with the carrying surface of the first, fixed position belt conveyor in the forming of a bale by the rolling of fibrous material, at least one of the additional belt conveyors being movable by having one end pivotably mounted, so th

Abstract: A multitwist spindle for processing of fibers and yarn by twisting and combining materials from at least two countershafts with equal or different heights of twist while simultaneously forming a left and right twist or a single direction combined twist. The spindle has at least one rotating shaft with a yarn carrier fixed to it and at least two rotating countershafts on which the yarn is mounted.