Abstract: A blank magazine for feeding blank rounds to a bolt-equipped firearm.The magazine has a back wall and a front wall.The distance between the inner surface of the back wall and the inner surface of the front wall is less than the length of a standard round but is greater than the length of a blank round.The magazine also has structure which prevents any standard round from being fed by the bolt of the firearm.

Abstract: A gun safety device is detachably mounted on a gun barrel for capturing a projectile, wherein when mounted, at least a portion of the projectile capturing device breaks free of the gun, capturing a projectile fired therefrom. Optionally, the gun safety device can include a housing detachably mounted on the gun barrel and lockably attachable to the housing. The invention also includes a method for capturing a projectile from a gun.

Abstract: An aim assistance light beam for a firearm having functional parts necessary for the operation of that firearm as a firearm is provided by adaption of a battery housing to a contour of that firearm below a barrel and ahead of a trigger guard thereof as seen in a direction of the light beam, for reception of an electric battery remotely from a stock of the firearm. A common fastener is provided for that battery housing as well as for one of the necesary functional parts of the firearm, and both that battery housing and that one necessary functional part are attached with that common fastener to the firearm. A light source is mounted on that battery housing for providing an aim assistance light beam upon energization from the battery through an electric on-off switch provided independently of any trigger and hammer assembly of the firearm.

Abstract: There is provided a hunting blind comprising an upper frame including a peripheral frame structure, top reinforcing side members and a cross strut; gun-support bars attached to and vertically spaced from said upper frame; a bottom frame structure separably attached to said upper frame; a cover extending about said upper frame and said lower frame, said cover having a plurality of window openings, and a flap on the inside and a flap on the outside of said window openings to open or close said openings at the discretion of a hunter occupying said blind.

Abstract: A fising jig using a chemiluminescent capsule. The jig includes an elongated, weighted fish shaped body having a longitudinal extending cavity for receiving and holding the chemiluminescent capsule therein. The cavity has a pair of light emitting openings in the opposite sidewalls of the body communicating with the cavity. A continuous bore extends longitudinally and fully through the body from the forward to the rearward end, and a resilient tubular line guide is disposed in the bore. The line guide is a resilient Teflon tube having a lengthwise bore with a low friction, nonchaffing interior wall surface. The line guide bore is sized to loosely receive a fishing line and allows the free sliding of the jig along the line and the free rotation of the jig about the line during usage. The line guide has a resilient forward end portion extending out of the body bore at the body forward end by a distance sufficient to provide a shock absorbing action as the jig wobbles on the line during usage.

Abstract: Disclosed is an improved, easy to assemble fishing lure which utilizes the scent of any species of enclosed live bait to attract fish.

Abstract: A fishing lure having a body, means for affixing a line to the body, and one or more detent receptacles provided in or on the body, each adapted to receive and retain one of a plurality of accessory devices such as weedguards, blade holders with spinner blades, and bait holders. The receptacle may be mounted by affixing it to the body of the lure. In a preferred embodiment it may be adhesively affixed in a recess provided in the lure. Alternatively, it may be adhesively affixed to the surface of the lure or directly molded into the body of the lure. The accessory devices may be readily snapped into or screwed into the receptacles where they are firmly retained. The accessory devices may also be snapped out of or screwed out of the receptacles when they are not needed.

Abstract: An artificial fishing fly having a body on the shank of the hook, there being a headed post rising from the body, to which post a parachute is tied in the form of a hackle feather wound on the post.

Abstract: An artificial fly has a worm body comprising a shank for forming a core, a lead wire wound around at the rear portion of shank, a cotton fiber or fabric wound around shank covering lead wire and secured by winding yarn around shank, a head portion provided at the front portion of shank, fly means selected from the group consisting of a feather, a skirt, lure body and a basketworm hair and attached in the shoulder portion of shank; and a looped hook made of looped yarn and attached to the rear portion of shank.

Abstract: An artificial fishing bait (A, B) includes a broken bill (18, 18') connected to a body (10, 40) by a pivot (29, 18a and 48, 46) enhanced by a lateral slot (16). A spoon (22) of the bill may be weighted at (24) for deeper diving. Plug (A) has a loose omnidirectional pivot (29, 18a) which facilitates natural wobbling of the artificial bait when weighted for depths of 40 feet or more. Shank (30) may be reduced relative to slot (16) and bill opening (18a) made considerably larger than pivot pin 29 facilitating omnidirectional pivoting for plug (A). Plug (B) has a lateral pivot (46, 48) which exhibits side-to-side diversions (52, 56) produced by lateral pivoting only. The amplitudes (52a, 56a) may be reduced to more closely simulate the darting path of bait fish when the spoon (22) is limited by a removable stop peg (50).

Abstract: Methods and materials are provided for desiccated analogs of botanic seeds which are created by removing a portion of the water by slow or fast drying so that the plant tissue is no longer saturated with water. In a second embodiment, the meristematic tissue is encapsulated in a gel or polymer followed by dehydration. In another embodiment, the meristematic tissue is dehydrated prior to encapsulation in a gel. Protectants can be incorporated in the gel capsule. Meristematic tissue can be isolated from, for example, somatic embryos, zygotic and germ line sources.

Abstract: A plant growing medium has a fabricated fibrous product having a density below 4.5 pcf, and preferably below 3.0 pcf, as a root supporting structure. The product comprises a pack of fibers, the fibers having a three-dimensional orientation and at least some of the fibers being glass fibers, and binder binding the fibers to each other at substantially every place of fiber-to-fiber contact.

Abstract: A seedling container is illustrated wherein a number of removable partitions or barriers are clamped together in a block by releasable clamping means permitting alignment of the partitions and then sequential removal in such a way as to support the removed partitions while removing the seedlings one row at a time. Additional stability and alignment is provided through the use of projections and slots as well as additional clamping means. Air pruning is provided, and through the use of a converging bottom in alternate compartments occupied by seedling plugs, loss of growing medium is avoided.

Abstract: Adjustable width doorway safety gate apparatus of this invention discloses a gate comprised of two segments slidably adjustable to variable width doorways and hinges mounted on outer vertical edge of one gate segment, with the hinges consisting of hinge pins pointed downward and fitting in hinge pin sockets mounted on a spring loaded pole or on a doorway pillar and the two gate segments are locked to width by means of a lock spool segment extending through aligned holes in slots in center bar of gate segments, and the center bars ride on offset grooves and matching runners of the center bars, and gate locking upper and lower U latches acting in concert, activated by release of gate lock flexible lever release.

Abstract: The present invention provides a vehicle window regulator for curved windows. The present invention reduces the deflection of the sector arms of the window regulator allowing the use of lighter materials in the regulator components and also allowing the window to be placed into a thinner door panel enclosure than that previously allowable.

Abstract: A guide for guiding the movement of an automotive window along a channel shaped track is disclosed. The guide is made from two molded, identical plastic half members which are snap fittingly connected together and which have track receiving head portions which are held apart by bowed leafs and biasingly held via integral hinges in sliding engagement with the track when connected therewith to eliminate or minimize rattling noise therebetween.

Abstract: The invention relates to machining of glass sheets and in particular to holding of said glass sheets during grinding of their edges. The glass sheets are locked on their work plate with an electromagnet. This locking provides an effective holding while freeing space above the glass sheets.

Abstract: Automated grinding is performed using a tracking means having a sufficient field of view to locate edges to be processed and using a high resolution profiler in order to provide grinding information for calculation of the amount of material which should be removed from the workpiece. Those sections of the workpiece not requiring additional grinding may be traversed at a high speed in order to improve productivity. A process control computer receives grinding information from the tracking means and high resolution profiler and uses it to control a manipulator to adjust the travel speed of the grinder, force with which a grinder is applied, position of the grinder, and/or speed of rotation of the grinder in order to remove the correct amount of material from a workpiece. The technique is especially advantageous in removing excess material, burrs, nicks, chips and other minor irregularities in workpieces. A second profiler may be used to check that the grinder has properly ground portions of the workpiece.

Abstract: A sharpener construction including a sharpener stone holder having an elongated body portion and a surface for receiving a sharpener stone with a plurality of concave depressions extending transversely to the stone receiving surface for receiving the fingers of a person, a screw attachment at the end of the elongated body portion for adjustably receiving the end of a guide rod which in turn is slidably received in preselected oval apertures in upstanding guides attached to the sharpener.

Abstract: A grinding tool has two bodies each provided with a row of grinding segments and arranged so that the bodies with the grinding segments are movable relative to one another; the grinding segments of one row are offset relative to the grinding segments of the other row so that upon movement of the base bodies relative to one another the rows of the grinding segments are insertable into each other at least over their partial length; the grinding segments are arranged on the supporting segments, the supporting segments are arranged on the grinding segment receivers, which in turn are arranged on the base bodies, and each of the supporting segments with the respective grinding segment carried thereby is releasably fixable in the respective grinding segment receiver in two respective mirror-inverted operative positions.

Abstract: The externally insulated window mounting is employed in the sidewall frame of a railway passenger carriage. This carriage frame comprises sidewall sections and post sections (10), an exchangeable outer skin and in between an insulating material. The window mounting is releasably secured to the sidewall sections and post sections. The inner frame, made up of at least four extrusion pieces spaced from the region of the window corners, features a lip which serves as a sealing surface for the outer skin and holds in place an outer, peripheral frame with undercut groove. A lip on the outer frame pointing away from the window opening, clamps the outer skin securely and holds in place a mounting strip of weather resistant, elastic material to retain the window glazing in place.

Abstract: A simulated log building structure in which a plurality of simulated hollow log members are interconnected at their corners by corresponding tubular elbow members in fluid communication with each other so that a fluid medium may be freely circulated throughout all of the walls of a building structure for heating or cooling purposes.

Abstract: In a building system, extruded plastic panel components are joined together to form a building structure. External and internal connectors adhesively join the panel components together to form a completed structure. The panel components are internally ribbed and may be partially or fully insulated. Internal conduits in the panel components provide passageways for electrical wiring, plumbing and other required utilities.

Abstract: A roof membrane anchoring system in accordance with the present invention includes an anchoring plate with a roof engaging surface and a top surface that can be attached to an existing structure. The anchoring plate has an axial opening therein into which a lop extends. An insert is inserted into the axial opening in the anchoring plate once a roofing membrane is inserted into the axial opening in the plate. The insert has a greatest diametrical dimension. The anchoring system is designed to assume a first state wherein the greatest diametrical dimension of the insert is slightly less than the inside diameter of the axial opening and slightly greater than the inside diameter of the lip extending into the axial opening and a second state wherein the greatest diametrical dimension of the insert is slightly less than the inside diameter of the lip which extends into the axial opening.

Abstract: Disclosed is roof panel construction, preferably of galvanized steel, aluminum, fiberglass reinforced plastic, and the like, comprising a substantially flat body of substantially parallelogrammatic configuration, first shoulder means adjacent a first edge of said body and extending substantially in a straight line across said body, said shoulder means extending outwardly from the plane of said body a distance approximately required to accomodate the thickness of an adjacent shoulder means, and then for a short distance away from said edge in a plane substantially parallel to the plane of said body to provide an opening, said shoulder means and said edge being spaced sufficiently along the plane of said body to provide an attachment tab, said shoulder means and said body being hermetically sealed at their juncture, and a second edge of said body substantially oppositely disposed to said first edge and provided with second shoulder means of essentially the same configuration as said first shoulder means but opp

Abstract: The connecting arrangement is applied to each of two panels to be joined and has a lateral upright comprising at least one hollow support which extends over the entire length of the upright. Each support defines a substantially cylindrical seat and a passage which extends to the outside, which are respectively capable of accommodating a cylindrical portion and a web of a shaped connecting member. The member can be removably slid in with the portions thereof in the seats of two hollow supports of two contiguous panels. The connecting member is made in one piece from plastics material and the web may be flat or curved at variable angles. This permits the arrangement of contiguous panels in a coplanar configuration, at 90.degree. to each other or at 120.degree. to each other. The connecting member may be fixed in place after it has been slid in by members blocking the ends of the sets.

Abstract: In this fastener which comprises a base plate suitable for being fixed to a batten, at least one retaining tab which is integrally formed with the base plate and which is suitable for retaining a piece of covering material, and two fixing tabs which extend sideways from two respective opposite parallel edges of the base plate and which, when the base plate is placed on a batten, are suitable for being folded down against opposite sides of the batten, there is provided, in addition, at least one spike integrally formed with each fixing tab and extending perpendicularly thereto for gripping the batten after the fixing tab has been folded down there against.

Abstract: A compact self-contained machine operated by a single gear motor and having start and stop cycle switches feeds a cotton roving and severs the roving into plugging lengths. The severed plugging lengths are folded and inserted as plugs into the mouths of pipets which are held one at a time by hand in a locator bushing on a cycle activating panel of the machine.

Abstract: The sealed package is sterilized with a sterilant gas such as ethylene oxide prior to application of a desiccant pack. The desiccant pack is applied after sterilization and held in place by a metallic foil which is impermeable to moisture. A moisture permeable layer separates the desiccant pack from the plastic tray-like layer in which the surgical instrument is disposed. Absorbable co-polymer staples are maintained moisture-free by virtue of the desiccant pack being located on the opposite side of the moisture permeable layer.

Abstract: An apparatus for increasing the volumetric efficiency of a shipping container of standard tire carcasses is shown as a powered attachment to a standard warehouse tug or forklift. A horizontally extending steel plate, extending forward from the front of the tug, is powered for vertical motion by a double action, two stage hydraulic cylinder. The plate is enclosed by tightly fitting sliding stripper bars, which are spring-loaded into both the top and bottom surface of the plate; the stripper bars have a bronze wiper bushing at the point of contact with the plate, and are powered for wiping motion across the plate by a pair of balanced hydraulic cylinders.A vertical set of powered outriggers is installed on vertically acting hydraulic cylinders to provide a reacting force against the roof or side wall corners of a shipping container.In use, a standard, interleaved rick of tires is installed in a normal manner within a container.

Abstract: Different products are hermetically sealed in separate but integrally adjoining packages to form package pairs or what might be called "dual" packages. All of the packages are made from two continuous sheets of plastic packaging material, and the separate packages of each pair are differentially-conditioned by differential evacuation and/or gassing to different pressure levels. A continuous series of filled side-by-side containers formed from one sheet of packaging material is conveyed in two parallel rows into a sealing region where a cover sheet is laid over the containers to form packages. A group of the packages is stopped in the sealing region, and are clamped and partially sealed around the peripheries of the individual packages. The individual side-by-side units of the package pairs are differentially conditioned as to vacuum pressure or gas pressure or composition through aligned openings between adjacent containers in each of the parallel rows.

Abstract: A method and system are disclosed for the automated accumulation and loading of parts wherein an automated part transfer apparatus is utilized to successively pick up predetermined arrangements of spaced parts from a shuttle at a pair of unloading stations. The part transfer apparatus preferably includes a gantry robot which places the parts in predetermined positions in a container located in the work envelope of the robot. The robot continues to load the parts until the container is full. In the disclosed embodiment, the method and system are utilized for racking automotive parts after they exit a sheet metal processing machine. Preferably, the parts are vertically accumulated in spaced relationship at an accumulator station in which the shuttle aids in the stacking process. A part indexing mechanism also aids in the stacking process at the accumulator station.

Abstract: A horse tethering device cord has a central stretchable resilient core surrounded by a braided sheath and a loosely fitting protective plastic outer covering about the braided sheath. The core has a stretch length breaking point less than the stretch length breaking point of the sheath. The sheath and cord are attached to horse halter engaging clasps at one end and a bull snap at the other end. In use, a tethering device is used to keep a horse restrained to a hitching post. Movement by the horse from the hitching post causes stretching of the cord. If the horse exceeds the breakpoint of the central core, the core snaps, while the sheath remains intact.

Abstract: A method for guiding a robotic vehicle includes the steps of establishing a tracking position along a row of vehicle sensors at which the border is to intersect the row, positioning the vehicle on the border so that the border intersects the row at an intersecting position, generating a positive signal when a sensor senses any obstruction by vegetation of a path of radiation from a respective emitter to a respective detector, generating a negative signal when a sensor does not sense any obstruction, repeating said generating steps as said vehicle advances, sending a plurality of groups of said generated signals to a processor, averaging said signals, identifying the intersecting position by identifying an adjacent pair of oppositely signalling sensors on the basis of said averaging of said signals, determining whether the tracking position is at or to the right or left of the intersecting position, and steering the vehicle straight when the tracking position is at the same location as the intersecting positio

Abstract: A grass collection system for a reel mower in which an auger extends across each reel. The part of the auger not facing the reel is enclosed by a shield, so the auger conveys cut grass laterally to one end of the mower, from which end the cut grass is conveyed through an air duct and impeller to a hopper. Where the duct connects to the auger shield, an extra opening is provided to entrain outside air, to maintain the flow of air past the auger shield outlet and thus reduce the likelihood of clogging.

Abstract: A tree shaping apparatus includes a mobile transport (10) with a cutter carriage (12) disposed in thereof. The transport (10) straddles the trees and the cutter carriage (12) has the height thereof adjusted to that of the tree. A cutter bar (90) is rotated about the tree with blades (92) providing the shaping therefor. The cutter bar (90) can be reciprocated laterally to provide an additional height adjustment.

Abstract: The present invention relates to an apparatus for inverting a windrow of hay or the like. The apparatus is in the form of an implement to be drawn by a tractor or any other appropriate vehicle and comprises a wheeled carriage on which is mounted a pick-up conveyor assembly for gathering an elevating material from a windrow and depositing the elevated material on a rotating platform which moves the material 180 degrees along a circular path. The material is then discharged on the ground in inverted condition by the forward motion of the carriage.

Abstract: An improved yarn, fabric and protective garment made from such yarn where the yarn, fabric and garment exhibit increased cut resistance. The yarn includes a core made of fiber and a covering wrapped around the core, the covering includes at least one strand of wire wrapped around the core.

Abstract: A method and apparatus for stopping and subsequently restarting an open end spinning machine wherein, upon an electrical power interruption exceeding a predetermined duration, the spinning rotor, sliver feed roller, yarn take-up roller, and yarn winding drum are deactuated, the yarn take-up roller and winding drum are braked to a standstill, and the length of withdrawn yarn during braking is measured and stored, and, upon restarting of the machine, the sliver feed roller is briefly operated to initially deliver a start-up sliver length to the rotor and yarn take-up roller and yarn winding drum are operated in reverse to feed back to the rotor a length of withdrawn yarn corresponding to the measured and stored yarn length in advance of reactuation of the spinning operation.

Abstract: The invention provides for the spinning units of a multi-position rotor spinning machine to be driven by a common AC drive motor powered by a static inverter enabling the power supply frequency to the AC motor to be controlled for controlling the rate of acceleration and the operating speed and the rate of deceleration of the AC drive motor. This facilitates a method of mass stopping.

Abstract: The gripping device comprises at least one gripper which can be inserted into the tube and is formed from two elements which are mobile axially one in the other and are provided with frusto-conical ends which cooperate in such a manner that the axial movement of the inner element causes the outer element to expand and to engage under pressure with the tube for the purpose of its replacement. Two friction discs supported in an axially mobile manner are associated with the gripper and are subjected to the action of a spring in order to press a lower support element of the discs against the tube in order to retain it and allow exact keying of the tube on to the rotary drive element. The device is particularly suitable for cops.

Abstract: An aircraft emergency power unit having a high pressure air storage tank, an aviation fuel storage tank, and a combustor which combusts pressurized air and aviation fuel in a stochiometrically fuel rich ratio to produce a motive combustion gas.

Abstract: A method and apparatus 10 for self-regulating the mass flow rate of a fluid comprises a housing 12 defining an upper chamber 14 and a lower chamber 16, a sealed and pressurized bellows 30 contained within the upper chamber 14, spring bias means 58 contained within the lower chamber 16 and a poppet 32 with a poppet head 40 for defining a fluid passageway 44.Supply fluid flows through inlet 56, lower chamber 16, fluid passageway 44 and into upper chamber 14. Once in upper chamber 14 the fluid is in heat exchange communication with a fluid in sealed bellows 30. When the mass flow rate of the fluid flowing through upper chamber 14 is effected by either in pressure or a change in temperature, a corresponding change takes place in the fluid in the bellows 30 thus repositioning the poppet head 40 accordingly to redefine the area of passageway 44. Fluid leaves the apparatus through exits 28.

Abstract: The device comprises, at the outlet of the combustion chamber 3, a movable assembly comprising a hollow closure member 26 constituting a needle 27, a thermal shield 22 and an annular piston 14. This closure member acts as a piston under the effect of the pressure of the gases and drives the annular piston so as to expel a hydraulic fluid from a jack chamber 33 having an adjustable outlet 34. The closure member 26 defines a chamber 28 for calming the gases.

Abstract: An improved muffler system for internal combustion engines recovers heat energy of exhaust gases by spraying a fluid into the exhaust stream in order to absorb the heat energy of the exhaust gases. The heated fluid is collected at the bottom of the muffler vessel and the stored heat energy is transferred to a second fluid via a counter-current liquid to liquid heat exchanger. The heat energy from the second fluid is then removed and utilized, for example, to condition passenger spaces.

Abstract: A hydraulic system having an axial piston pump as a control pump which is regulated by a regulating device as a function of the demands with respect to volumetric flow and pressure of a load circuit supplied by it. On the suction side, the control pump is optionally provided with a partial amount of its maximum delivery volume by a feed pump, while the remaining part of the corresponding delivery quantity is drawn in directly from a storage container, bypassing the feed pump. Possibly impermissibly high vacuums on the suction side of the control pump are detected by a suction safety device which acts on the control pump via its regulating device so that the control pump delivers smaller quantities of hydraulic fluid unitl permissible operating conditions are reached.

Abstract: A universal control system for hydraulic cylinders to enable controlled increments of movement for varying uses including shaping members and lifting and lowering of loads. The lift control system is utilized to synchronize the raising or lowering of a load by, for example, four simultaneously-acting pump-operated hydraulic rams which have plural increments of movement. A sensor associated with the load adjacent each ram measures incremental movement of the load. A master controller controls the operation of the rams in accordance with the sensed increments and operates each pump simultaneously and independently until each pump achieves a preselected increment of movement of a ram, to maintain the load substantially level, followed by movement of all the rams through another increment of movement until the total lifting or lowering movement is achieved.

Abstract: A memory element made of a shape-memory alloy includes lead-attachment and shape-memory portions and a partition interconnecting such portions. The lead-attachment and shape-memory portions are comprised of characteristic internal structures, while the partition is comprised of an internal structure dissimilar to the characteristic internal structure of at least one of the lead-attachment and shape-memory portions. Shape-memory effect characteristics of the shape-memory portion are preserved to maintain the memory function of the memory element by configuring the dissimilar internal structure to block transmigration from the lead-attachment to the shape-memory portions of selected contaminant material existing in the lead-attachment portion. The partition functions as a contaminant filter to control the concentration of contaminant material in the shape-memory portion, thereby enhancing the durability of the memory element.

Abstract: A hydraulic accumulator for subsea use, which charges itself as it is lowered to the operating depth. The seawater and hydraulic fluid operate against unbalanced pistons (36, 52) with low pressure gas (42) therebetween.

Abstract: A two-stage energy conversion apparatus operating on a nonpolluting fuel. A single-cylinder reciprocating engine converts combustion energy to mechanical energy. Mechanical energy developed in the reciprocating engine is transmitted or coupled to a turbine by means of a transmission fluid flowing in a closed loop system interconnecting the reciprocating engine and the turbine.