Abstract: Method and apparatus for inserting pins having a predetermined length into predetermined apertures in a board or the like such as a printed circuit board. A pin blank square in cross section and in the form of a wire hoop is notched in four faces for cutting, fed at a predetermined feeding speed and cut off at the notched portions, whereby a pin having a predetermined length is prepared. The pin is directed perpendicular to the board or the like and inserted into a predetermined aperture in the board or the like.

Abstract: A manually held and manipulated knife for trimming a comestible product such as meat having a frame or frame assembly including a hand grasp or handle part extending radially outwardly from a ring-like part of short axial length and of considerable greater diameter than its axial length, a power driven ring-like blade also of short axial length rotatably supported in the ring-like part of the handle and having a radially inwardly facing circular cutting edge at one axial end, and a ring-like depth of cut control or gauge member within the blade and connected to the frame assembly for adjustment lengthwise of the axis of the blade by screws located radially outwardly of the gauge member. Clearance is provided between the blade and the depth of cut control or gauge member which clearance increases in the direction away from the cutting edge of the blade.

Abstract: A tractor-trailer calculator includes several tractor-trailer indicia portions slidably supported on an elongated support structure at positions to simulate a tractor-trailer vehicle. The indicia portions include a tractor cab portion, a tractor tandem axle portion, a tractor fifth wheel and trailer king pin portion, front and rear trailer portions and a trailer tandem axle portion. Each portion is slidably supported on the support structure in overlapping relation to at least one adjacent portion whereby the overall length of the simulated vehicle and the relative positions of the overlapping portions may be varied to conform to predetermined length requirements for a tractor-trailer vehicle. Measurement devices are associated with the pairs of overlapping indicia portions to indicate their relative positions. Another measurement device is adjustably and slidably supported on the support structure adjacent the indicia portions for measuring various lengths of the simulated tractor-trailer vehicle.

Abstract: Engraving apparatus for engraving the inner periphery of a circular object such as a ring or band is provided with a tool holder which supports the engraving tool. A fiber optic bundle is supported by the tool holder and has one end exposed adjacent the engraving tool. A source of illumination communicates with the other end of the fiber optic bundle.

Abstract: Apparatus for tracing elliptical curves comprising a T-shaped support member having perpendicular longitudinal and transverse branches and formed as a one piece injection molded body. The T-shaped member carries a point support on the longitudinal branch for piercing a tracing surface on which a curve is to be reproduced. Two sliders are respectively supported in recesses in the branches and the sliders are coupled together for correlated movement in the branches. A marking element is supported by the coupling for tracing a curve on the tracing surface in accordance with the movement of the sliders.

Abstract: Apparatus by which common points in any two conventional adjacent perpendicular orthographic views of an object are utilized to produce isometric, diametric or trimetric views of the object. One form of the apparatus comprises a main plotting member shaped at least in part in the form of an isosceles triangle, and an auxiliary plotting member shaped at least in part in the form of a parallelogram, and means for orienting the auxiliary plotting member at a predetermined angle with respect to the main plotting member. The plotting members are preferably made from rigid, dimensionally stable, transparent plastic material, and lines may be scribed on the plotting members to facilitate positioning of the plotting members for location of common points in the two orthographic views and for orienting the main plotting member with respect to the tertiary axis of the two orthographic views.

Abstract: A ruler of transparent material having a first edge parallel to one of the three main projection axes of an axonometric projection drawing and a second edge at a specified angle .gamma. with one of the remaining two main projection axes. The ruler is provided on its front surface with a standard line sloping at a specified inversion angle with respect to the first edge and another standard line sloping at the inclination angle of an orthographic projection drawing with respect to the bisector of the inversion angle. An axonometric projection drawing can be made with the use of the ruler from a plan view and a front or side view drawn by orthographic projection and placed on a drawing board as arranged in the orthographic drawing.

Abstract: Gear testing apparatus has a tooth flank probe or feeler displaceable in a spatial co-ordinate system by being mounted on a series of three support members each movable in a different direction. Scales monitoring the member movements feed member position data to a computer in which a movement programme is stored. In one arrangement, the computer programme controls movements of all three members and deviations in tooth flank form cause deflections of the feeler that are evaluated by the computer. In another arrangement, two of the members are driven by the programme data and the third member is displaced by biassing means to hold the feeler against a tooth flank, the computer comparing said displacements with reference values to evaluate deviations in the tooth flank form.

Abstract: An illuminated sight is disclosed which comprises a transparent member having light diverting and receiving portions, a light source with means for orienting said light source with respect to the transparent member and means for mounting to an instrument or weapon.

Abstract: A didactic, or teaching, apparatus upon which interrogatory documents, or test sheets, may be placed in the manner of an overlay on the face side of the machine. The interrogatory document, which contains at least one interrogative statement, or question, together with at least two alternative responses, or answers, will be visibly illuminated from behind by an arrangement of light emitting devices. The light will fall on the document from behind so as to distinctly transilluminate the document in the several areas occupied by the alternative responses. The several areas of the alternative responses are, at the same time, caused to individually cooperate with several coupling devices, wherein one separate coupling device is provided for each of the several alternative responses.

Abstract: A teaching apparatus including a casing with two windows therein, and a plurality of buttons in front of one of the windows. The buttons are aligned with answers, for example answers to mathematical questions, visible in such one window, and one question is visible in the other window. If the button in front of the correct answer is pressed, the question disappears and the same or a different question appears in such other window. If one of the buttons in front of the incorrect answers is pressed, nothing happens, i.e., the question remains in view. The set of questions and answers can be changed, because the questions and answers are both on tapes containing a large number of questions and answers. The tape bearing the questions is mounted on spools in a transparent cylindrical cup, the tape extending around the inner periphery of the cup.

Abstract: A coordination-practice device comprising a table mounted for tilting movement about a horizontal axis and for rotation about an axis perpendicular to its surface, the movements being simultaneously and independently effected by movement of respective controls operable by an operator to control the motion of an object along a path defined on the table surface. The rotation is controllable by a manually operable wheel and the tilting either by a manual control or by two independent, foot-operable pedals, the use of which simulates the simultaneous use of the clutch and accelerator pedals of a motor vehicle.

Abstract: The invention provides a device for covering on a tennis shoe the worn area resulting from dragging the rear foot when hitting the ball and moving into the play, the device comprising a side wall having a curve generally conforming to the side and front of the shoe adjacent the big toe of the wearer and an integral bottom member that extends under the worn part of the sole, the device being fabricated from a tough material more flexible than the shoe whereby in conjunction with the shape of the device it will conform more easily to various different sizes of shoes having the worn area in various locations mainly beneath and forward of the big toe.

Abstract: The height of the arch of an arch-support member is adjustable by turning a screw that is positioned between the insole and the sole of a shoe. A lever extends from the central portion of the arch support downwardly through the insole to the adjusting screw. The lever turns about the insole as a fulcrum in response to adjustment of the screw for varying the height of the arch-support member.

Abstract: A pusher type hand snow plow in which the lower edge of the blade is supported by runners and the supporting frame for the blade has a raised center to which side frames incline upwardly and rearwardly from the lower edge of the blade. The raised center prevents jamming in deep snow.

Abstract: A steam finishing platen having a work surface through which steam and air can pass. The platen includes up-steam piping within a chamber defined by the platen, and a vacuum port to that chamber. A steam damper is movable between a normally open position where the vacuum port is open to a vacuum source, and a closed position where the damper closes the vacuum port when steam is provided to the up-steam piping. A steam piston, located within the platen chamber, is connected by a spring loaded linkage to the steam damper, and is connected by a steam line to the up-steam piping. When steam is provided to the up-steam piping for steaming a fabric workpiece on the platen, the steam actuated piston closes the steam damper, thereby automatically closing the vacuum port to that steam within the platen chamber.

Abstract: A portable display apparatus is herein disclosed. The portable display apparatus is composed of a plurality of rectangular skeletal frames. Each rectangular skeletal frame of the plurality includes a horizontal hinge adapted to enable vertical members of the frame to fold vertically. Each of the vertical members has a connector portion and a pair of track portions. Each of the vertical rectangular skeletal frames is adapted to be connected to a dovetail slide connector to other rectangular skeletal frames. The dual track portions are adapted to receive a pair of display panels. The dual track portions are positioned so that connector portions of the dovetail connectors do not interfere with the track portions or display panels.

Abstract: A container assembly adapted to be mounted adjacent the action of a firearm for gathering the shells as they are ejected from the firearm, whereby the spent shells may be collected for re-use.

Abstract: A fish lure having a body with a longitudinally extending plunger reciprocably mounted therein and having provision for connection to a fishing line at its forward end, a hook being mounted on the body. A coil spring is interposed between the rear end of the plunger and the front end of the body for biasing the body into a forwardly telescoped position on the plunger. A latch on the body latches the same in a rearwardly extended position on the plunger accompanied by stressing of the spring. The latch mechanism has a triggering member so arranged that when a fish bites down on the lure the triggering member is actuated freeing the spring to snap the body and hook forwardly on the plunger for setting the hook in the mouth of the fish. In the illustrated embodiment a guard is provided for normally shielding the point of the hook, the guard being coupled to the triggering member so that when the guard is depressed the hook is exposed followed by actuation of the triggering member for setting the hook.

Abstract: A model boat assembly is provided for constructing large model boats, particularly warship designs, from principally cardboard and like material.

Abstract: A bubble blowing device in the form of a funnel which is open at both ends. The small end serves as the mouthpiece, and the large end serves as the forming site for bubbles. The bubble forming end is configured so that a plane which is generally defined by the lip of the large end of the funnel extends at an acute angle to the longitudinal axis of the funnel. A film material supply surface is provided at the bubble forming end of the device.

Abstract: A heartbeat simulator for a toy doll or the like comprises a resilient, relatively soft rubber diaphragm supported at its edges in a housing and formed with curved surface portions to provide a popping movement between an equilibrium position and a displaced position. A motor is periodically energized to displace the diaphragm by winding a cord attached at one end to the motor shaft and at the other end to the diaphragm and is immediately thereafter de-energized to permit the diaphragm to unwind the cord and return to its equilibrium position. A connecting tube acoustically couples the diaphragm to the mouth of the toy doll to produce a simultaneous breathing sound.

Abstract: A steering system for radio or wire controlled traveling toys such as model cars having steerable wheels connected to a steering bar. Mechanism is in turn connected to the steering bar for actuation thereof and includes a pair of rack members connection to respective ends of the mechanism. A single electric drive motor provides the propulsion for the toy car through an axle and differential acting drive wheels and is in turn coupled through a slip gear to planetary gear drive clutches which may be alternately locked by means of a pair of solenoids and associated pawls. Output gears driven by the drive clutches in turn effect movement of one or the other of the rack members to steer the car. A centering spring for the steering mechanism returns the steering to straight ahead automatically once the turn energization is completed. The slip gear also will prevent damage to the drive and steering components once steering limits are reached.

Abstract: The heating means of a greenhouse is combined with a source of waste heat. Preferably, the heating means is a surface heat exchanger placed in the flow path of air which is circulated in the greenhouse while the waste heat source is a mixing condenser of a steam turbine power plant. The condensate from the mixing condenser is cooled down in the surface heat exchanger which warms up the air in the greenhouse. If it has water spray means associated with it which is operated dependent on the moisture content of circulating air, cooling of the condensate and warming up as well as moistening of circulated air is effected by the same system at the expense of waste heat.

Abstract: A method of potting plants to optimize the environmental growth conditions thereof, and a combination that results from the practice of the method. A plurality of loose fibers comprising the fiber fraction from the break up of used tires which fiber fraction is normally a disposal problem is placed in the interior of a pot adjacent to the bottom thereof. Soil and the roots of the plant being potted are disposed over the loose fibers and a combination results including the pot, loose fibers, soil and plant. The loose fibers from the break up of used tires prevents the loss of soil through drainage holes in the bottom of the pot while providing for proper drainage, provide micronutrients and otherwise provide optimum growth conditions for the potted plant. Thus, worthwhile use is made of an otherwise worthless product.

Abstract: A system for growing plants in spaced apart individual root support beds in elongated U-shaped channels. Each channel has guides for an elongated member to support the root beds above the bottom of the channel and at least one interior duct extending along the length of the channel above the elongated member to deliver cultivation-regulating media through longitudinally spaced outlets. Surplus liquid drains off through the space between the member and the bottom of the channel, carrying away noxious substances from the plants. The top of each channel may be closed by a pair of flexible opaque flaps which yieldingly embrace the stems of plants in the channel to reduce moisture loss and exclude light from the plant roots. The spacing between adjacent channels is varied according to the stage of plant growth, either by arranging the channels in a fixed expanding pattern and moving the plants progressively along the channels or by shifting groups of parallel channels sideways as the plants mature.

Abstract: A machine with separate motion on two axes for toroidal polishing and gring of mirrors. The axes are at 90.degree. to each other and the amplitude of motion in each direction is independently adjustable. A portion of this machine can be modified to serve as an adapter unit that fits on standard polishing machines and can be removed leaving the standard machines able to function in the normal way. A gimbal assembly and stablizer bar are used to prevent twisting between a lens and a polishing surface.

Abstract: Hollow, generally rectilinear structures having a top, a bottom, sides and ends can be constructed so as to be capable of being manipulated between a "normal" or unfolded type configuration and a collapsed or folded configuration in which the ends extend generally parallel to and beneath the top and in which the sides are folded so as to be located next to the ends generally between the bottom and the top. Such a structure includes hinges connecting the ends to the top so that they can be pivoted so as to lie generally parallel to the top. Such a structure also includes a frame or frame-type elements forming a part of the top and extending adjacent to the ends when the ends are folded into such a collapsed position.

Abstract: An earthquake - resistant structure that permits limited displacement between the structure and the ground, comprising support means and connecting means. The support means provides elastic resistance to movement of the structure and the connecting means provides a frangible link between the structure and the ground, breaking when the earthquake reaches a predetermined strength.

Abstract: An improved light-transmissive building element useful for walls, ceilings, roofs, windows, or the like consists of at least two light-transmitting flat sheets, such as panels, panes, and the like, which, together with a suitable frame, define a hollow space in which sound- and heat-insulating means are arranged. A number of transparent, static flat sheets, such as foils of plastic or elastically tensioned, flexible, thin plastic panels which may be coated with light-transmissive metal layers or the like are inserted in said hollow space at a small distance from each other.

Abstract: Prefabricated door assembly for installation in a roughed-in door frame, the assembly including a pair of vertically extending door jambs having inter-engaging casings and a header unit spanning the upper ends of the door jambs. The header unit includes a header board having interengaging horizontal casings.The header board also includes, adjacent each of its ends, a transverse recess designed to receive the upper end of each of the jambs, the recess having a slightly outward inclination to place a constant tension on the jambs as they engage the roughed-in door frame. The assembly may also include means for placing a downward pressure on the header board to maintain integrity of the joints.

Abstract: A composite structural member such as an electric transmission or distribution pole, having a thin-walled metal casing, a core of non-metallic settable rigid material such as concrete, and reinforcing members embedded in the core, and method of constructing the structural member are disclosed. The reinforcing members extend between the ends of the casing and communicate with the case. They are pre-stressed prior to the pouring of the concrete into the casing whereby the applied pre-stress is transmitted to the casing. The reinforcing members are secured to the casing such that the applied pre-stress remains permanently on the casing only.

Abstract: A tension wrap packaging machine has a supporting frame and a driving assembly mounted in the supporting frame, a main drive shaft is mounted in the supporting frame and at one end has a combined supporting member and safety closure disc fixedly connected thereto to be rotated by the drive shaft when the driving assembly is in operation. Mounted and rotatable with the combined supporting member and closure disc are a package supporting assembly for supporting a package to be wrapped thereon and in spaced relation thereto a wrapping material supporting assembly for the material to wrap the package. Package supporting assembly and wrapping material supporting assembly in addition to rotating with the closure disc are independently rotatable, the package supporting assembly being rotated by a planetary driving means, and the wrapping material supporting assembly being rotated by an auxiliary driving means operatively connected between the driving assembly and wrapping material supporting assembly.

Abstract: A self-propelled harvesting machine of the type having an automatic steering system is provided with a pair of feelers extending toward one another from the facing surfaces of a pair of plant row dividers located at the forward end of the machine. Each feeler is mounted for motion within the casing of one of the dividers in cooperation with a magnetic transducer located within that casing, and extends from the interior of the casing through an elongated slot in the side wall of the casing. The external portion of each feeler extends in a rearward direction relative to the side wall of the casing and has a comparatively shallow convex arcuate configuration terminating at a free end of the feeler which is located to the rear of the rearward end of the slot.

Abstract: The disclosure is of a front deflector for a mower having cutter-carrying discs driven from beneath, the deflector having an edge to co-operate with a frustoconical element which it partly surrounds, said edge having its lower extremity above the rear outer part of the outer disc cutting zone and its upper extremity substantially above the forward part of said zone, the distance between the upper part of the outer disc and said edge increasing from the lower extremity to the upper extremity of said edge.

Abstract: An agricultural do-all machine for performing multiple farming operations including harvesting and loading crops into a tow behind vehicle. The do-all machine, briefly described, comprises a vehicle frame designed around an underbelly conveyor having crop clearance therebetween, and a pair of opposite hand implement support booms carrying belt conveyors which feed crops laterally onto the underbelly conveyor. The underbelly conveyor moves the crop underneath the frame of the machine to another vehicle following behind the agricultural do-all machine.

Abstract: A hay-making machine having a plurality of rotary rakes thereon which are rotatably driven about generally vertical axes or rotation. The hay-making machine is supported by a plurality of wheels to facilitate its movement relative to the ground. The hay-making machine is connected by a hitch mechanism to a tractor and the rotary rakes are driven by a shaft connection to the power take-off equipment on the tractor. The hay-making machine is comprised of a main frame and auxiliary frames. The main frame is pivotally secured to the hitch and the auxiliary frame is connected pivotally to the main frame to compensate for variations in ground irregularities. Telescoping shafts are utilized on the machine to facilitate a change in length between the rotary rake members and the hitch as the hay-making machine moves relative to the ground.

Abstract: The pull-type rake is designed to remain in a preselected trailing position relative to the towing vehicle while the raking head may be cocked to the right or left without the operator leaving the driver's seat, thereby placing the head in condition to deliver raked material leftwardly or rightwardly depending upon the selected angular position for the head. The main chassis of the implement is constructed in the form of a parallel, four-bar linkage that may be skewed by the operator into leftwardly or rightwardly oblique positions relative to the path of travel of the implement, thereby cocking the rake head accordingly, and the head itself includes a frame and a reel carried thereby, both of which are constructed in the nature of parallel, four-bar linkages so that they, too, can be skewed by the operator.

Abstract: The device comprises a rotating vacuum chamber and a stationary central tubular yarn-exit component. The component is provided with a first convex annular surface of revolution constituting a bearing plate for the yarn which is being formed and a second surface of revolution constituting a yarn guide tube. The surfaces are joined together by a convex junction surface of revolution and a plurality of air-displacement cavities are provided in the first surface.

Abstract: A cable for the reinforcement of plastic and elastic articles, such as conveyor belts and the like, is provided which includes a plurality of metal strands which are twisted to form a cable and a non-metallic insert which is disposed between the surfaces of the strands which oppose each other so as to prevent the strands from contacting each other, while leaving the surfaces of the strands which define the outside diameter of the cable exposed. A method and device for producing the cable is also provided.

Abstract: A method of and an apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from the spinning rotor of an open-end spinning machine in the event of an interruption in the spinning process having the steps of withdrawing the fibrous ribbon or severed yarn end from the spinning rotor by directing a first pressure air stream against the mouth of an air withdrawing duct, and scavenging the spinning rotor by directing a second pressure air stream against a collecting channel of the spinning rotor in order to remove any severed fibers and impurities.

Abstract: Filaments are extruded from polyolefin. A plurality of filaments are formed into a strand by twisting. The twisted strand is is twisted with other strands to form a rope which retains its tensile strength and reduces elongation. The filaments are made into strands before the heat introduced during extrusion has completely dissipated.

Abstract: A circuit provides a ramp voltage for purposes of controlling simultaneously a pair of transistors from saturation to cutoff and vice versa. Means are provided for generating an electronic strike and chime tone which is connected both to an amplifier circuit and the transistor controlled to cutoff. A tuner circuit which is part of the radio to provide a radio tone likewise is connected both to the amplifier and the transistor controlled to saturation. The circuit is provided with an enabling input at an alarm time and by dissipating the tones by varying percentages as the transistors change their state, a crescendo-decrescendo action may be obtained.

Abstract: A hatch cover is positioned in the hatch opening in the watch back over a battery receptacle in the watch module. The hatch cover is mechanically retained in the hatch opening by means of a snap-in friction fit. It has a rim on the watch back. A groove in the back adjacent the rim permits insertion of a tool to snap out the hatch cover. The watch back can remain on the case during battery change to hold the module in the case.

Abstract: A chronograph includes a reference time counter for measuring a reference time upon receipt of a reference pulse, a plurality of short time counters for measuring a short time difference occurring between runners upon receipt of the reference pulse, a reference pulse control circuit for controlling the supply of the reference pulse to these counters, and an addition circuit for adding the contents of the reference counter to those of the short time counters successively in response to each addition command. The reference pulse control circuit selects either of the reference counter and the short time counters successively in response to each operation of a first switch of a time measuring operator and further supplies the reference pulse to only the selected counter. The reference time counter stores the resultant time resulting from the addition made responsive to each addition command through the operation of a second switch by a single time measuring operator.

Abstract: An engine consisting of an open Brayton cycle gas turbine mechanically as well as thermodynamically integrated with a closed cycle Rankine turbine engine is disclosed. The engine heat exchangers, including Rankine vapor generator, regenerator and condenser, are of annular configuration and are concentric with the axis of rotation of the turbomachinery components. A cooling fan is mounted coaxially with the condenser for improved cooling effectiveness. The engine components also are balanced around the gearbox for improved installation and use.

Abstract: An improved binary cycle sulphur-water power plant comprising a closed topping sulphur loop and a water loop. The sulphur is vaporized in a heat exchanger where it is at approximately the same pressure as a heating fluid (combustion gas or coolant of a nuclear reactor for instance).

Abstract: Melted ice stored in a pool hollowed out of the upper surface of a tabular iceberg is used as a cold source and the sea on which the iceberg is floating is used as a hot source for a heat engine. Useful energy is extracted in spite of the low Carnot cycle efficiency and the melting of the iceberg to provide fresh water is accelerated.

Abstract: A carbon dioxide snow hood is disclosed for separating gaseous and solid carbon dioxide particles and depositing a uniform blanket of the carbon dioxide particles in the form of snow on articles to be cooled.

Abstract: Disclosed herein is an apparatus for liquefying refrigerant and generating a low temperature in which a low temperature state is provided by the utilization of the refrigerant adiabatic expansion. The refrigerant is jetted into an expansion chamber through a valve, and is subjected to adiabatic expansion thereby to provide a low temperature state in the expansion chamber. The refrigerant thus placed in the low temperature state and liquefied is mixed with the refrigerant in a tank, as a result of which the temperature of the refrigerant in the tank is decreased. The refrigerant is intermittently jetted into the expansion chamber at predetermined time intervals.