Abstract: Precast or poured columns are erected in a plurality of rows. Precast concrete beams are placed on temporary supports between the columns in each row. The beams are slightly shorter than the distance between the columns and are not supported by the columns. Precast concrete floor slabs are placed between the precast beams of adjacent rows, with the ends of the slabs partially overlapping the beams. Temporary forms are placed around the upper portions of the columns and under the end portions of the beams and the adjacent floor slabs. Concrete is then poured to form monolithic concrete members extending over the upper sides of the beams and filling the spaces between the ends of the slabs and also the spaces between the ends of the beams and the ends of the columns for uniting the beams, slabs and columns. After sufficient curing of the poured concrete, the forms and the temporary supports are removed.

Abstract: The specification discloses an office landscaping system comprising a plurality of wall panels supported on a support structure. The support structure comprises a plurality of frames each including a plurality of gussets extending outwardly therefrom, the gussets in turn each defining an upwardly opening slot. Also provided are clamping means for clamping together adjacent gussets on adjacent frames to secure the frame together. Mounting studs extend from each panel into the gusset slots to releasably suspend the panels on the support structure.

Abstract: A unitary, coextruded panel adapted for use as the window of a structure, which panel combines light transmitting and light reflecting properties to permit passage of direct solar radiation at a low solar altitude and to prevent passage of direct solar radiation at a high solar altitude, and which also provides insulating dead air spaces.The panel comprises an essentially clear and planar inner and outer face, positioned along the inner and outer portions of the structure, respectively, and a plurality of ribs, connected to and extending between the inner and outer faces, some of which ribs are transparent, and some of which are opaque to solar radiation, which rib members are placed in a geometrical relationship which provides the selected light transmitting and light reflecting properties in relation to the solar altitude.

Abstract: The invention resides in a thermally insulated building panel comprising a laminate of exterior building material 8 with insulation 10 between them in which there are grooves 18 formed which extend lengthwise of an edge of the panel proximate the insulation engaging surfaces of the exterior and interior materials. The dimension of the open end O of a groove is greater than the dimension of its closed end 26 to facilitate entry into the groove of a spline 12 for joining two adjacent panels together.

Abstract: A dance floor construction is provided by a spaced, webbed, network of planks which are uniquely layered so that an air cushion space is provided at every cross-sectional area of the construction. The construction is unitized with tongue and groove interfitting for portable ready assembly of the flooring. The flooring is particularly suited for dancing, as well as for other uses.

Abstract: A method of processing and producing crack free logs by making a saw cut along opposite longitudinal side portions of a log immediately after harvesting and thus curing the log, without debarking, in a shaded, ventilated air space so that any cracks will be concentrated along the saw cuts. When a finished appearance is desired, a groove is formed along the opposite side portions of the log in registry with the saw cuts and a spline or strip of wood is inserted in each groove so that it projects beyond the periphery of the leg with the spline or strip being secured in the grooves by glueing or the like. The peripheral or exterior portion of the spline or strips is peeled or cut off so that the resulting surface is contiguous with the peripheral surface of the log.

Abstract: A demountable wall system is disclosed providing metal studs adapted to be positioned along the joints between adjacent wall panels. The studs provide outer flanges which are positioned in kerfs along the edges of the panels and inner flanges which engage the inner surface of the panels. A U-shaped web system connects the inner flanges and is structured with the legs of the U-shaped web spaced from the adjacent flanges except at their extremities so that the legs cushion vibration or sound to minimize their transmission through the stud between the two sides of the wall. The inner flanges have a width exceeding twice the depth of the kerfs so that they engage panels beyond the kerf-weakened edges thereof.

Abstract: A method of construction by the use of prefabricated building units is described in which an open three-dimensional steel cage of relatively light structure is constructed off-site according to the desired specific configuration of the building unit; pre-cast concrete wall panels are attached to the sides of the steel cage by welding metal rings embedded within openings in the pre-cast concrete panels to laterally-projecting metal rings welded to the steel cage, to form the walls of the building unit and to add strength and rigidity to the building unit; the building unit is completed with a floor and roof further adding strength and rigidity to it; and the completed building unit is then transferred to a suitably prepared foundation at the construction site.

Abstract: A method of constructing a heat-insulating and water-proof structure by employing a plurality of heat-insulating members and a plurality of water-proof membranes. A first water-proof membrane is placed over a heat-insulating member, and one longitudinal edge of the water-proof membrane is bent about one longitudinal edge of the first heat-insulating member and secured to a base surface. A second heat-insulating member is then laid on the base surface next to the first heat insulating member so that the one longitudinal edge of the first water-proof membrane is held between the first and second heat-insulating members. A second water-proof membrane is placed over the second member and one longitudinal edge thereof is bent and secured to the base surface. The other longitudinal edge of the second water-proof membrane is joined to the first water-proof membrane.

Abstract: A mechanical bricklaying device is disclosed for successively laying a plurality of individual bricks in a given geometrical pattern contained in a horizontal plane. The bricklaying device has a vertical support and a positioning member for positioning a brick in the horizontal plane at a given distance from the vertical support. The positioning member includes a brick guide and a connecting arm connected at one end with the brick guide for supporting the guide in the horizontal plane. The other end of the connecting arm of the positioning member is connected for movement relative to the vertical support, whereby a horizontal layer of successive bricks may be formed having a desired geometrical configuration. In one embodiment, the bricklaying device is adapted to form a layer of bricks having a linear configuration and in a second embodiment, the device is adapted to form a layer of bricks having a curved configuration.

Abstract: This relates to a metering device particularly adapted for separating articles being conveyed in end-to-end relation and in side-by-side rows into sets of transversely aligned articles with adjacent sets of articles being displaced in a direction transversely to the direction of movement of the articles so as to provide for the metering or separation of the articles of adjacent sets. To this end there is provided a metering device which includes a pair of endless conveyors having opposed runs and each endless conveyor including first and second sets of article supports or carriers with one set of such article supports or carriers of each conveyor being transversely offset and the article supports or carriers being of the same length in a longitudinal direction as the length of the articles or a unit multiple of such articles. The transverse offsetting of articles of longitudinally adjacent sets serves to automatically transverse the aligned articles of each set.

Abstract: A spur holder is formed of flexible material and has a rear body and sides connecting the body to a front loop, which is stretchable over the heel of the boot to engage the front of the heel, with the rear body disposed at the rear of the boot adjacent the upper edge of the heel. The rear body has a generally oval front edge and a rear edge corresponding generally to a portion of an ellipse, while each of the front and rear edges of the loop correspond generally to a flattened oval. A rib extends outwardly from the rear body and a portion of each of the sides, adjacent the inner edge of each and is adapted to engage a crevice above the heel when the holder is installed on a boot. A spur rowel and shank are attached to the rear body, as by a plate molded within the rear body or a cap which covers the plate and is vulcanized to the rear body. The inner edge of each of the sides may be provided with a taper opposite the rib to accommodate additional stretching of these edges.

Abstract: Apparatus for leaf and grass vacuuming and compaction in a bag, although usable independently is shown mounted on a wheeled carriage of a power lawnmower on which are mounted a push-handle, a gasoline engine, a lawnmower blade drivable by the engine, a vacuum chamber enclosing a fan drivable by the engine, and a receptacle bag above which is mounted a compactor having a reciprocably movable ram. The ram is driven either by a belt-drive from the engine, or by an electric motor energized from the engine generator or starter battery, or by a hydraulic pump/motor system driven by the engine. A pick-up hose is attached to the vacuum chamber inlet and a discharge hose is attached to the vacuum chamber outlet whereby material such as leaves and grass clippings entering the pick-up hose are expelled through the discharge hose into the removable bag. As the material fills the bag, the compactor is actuated to cause the movable ram member to repeatedly descend into the bag to compact the material therein.

Abstract: A mower having a casing comprising an upper and a lower portion, a plurality of disks, each provided with cutting means. The improvement comprising securing means for interconnecting the upper and lower portions of said casing and bracing means for keeping the upper and lower portions of said casing at a set distance from one another.

Abstract: A cutting device of a sugar cane harvester, which includes a pair of rotary rollers each provided with elongated cutting straps having a number of blades and extended parallel to the axes of the respective rollers. Each roller is formed with an elongated supporting strip and a number of supporting projections spaced from the strip so as to form a plurality of grooves each receiving individual blades of the cutting strap and a clamping member. The blade and the clamping member are clamped between the side walls of the groove by a bolt extending through the clamping member into the body of the roller.

Abstract: A harvester header (12) of the detachable type is provided with a transverse hollow beam (46) at its lower rear which optimizes available space. The beam (46) is of quadrilateral cross section with its rear wall (51) presenting openings (71, 72, 111, 112) beneath the header discharge opening (19) for centering and latching the header (12) to the feeder conveyor housing (13). The top wall (53) of the beam (46) slopes forwardly and downwardly in parallel supporting relation to the rear portion (39) of the header floor (36).

Abstract: A tobacco harvesting apparatus including a mobile frame, having a cutting station comprising a rotary cutter blade, a rotary paddle assembly, and a receiver for a longitudinally and forward projecting tobacco stick in a stick receiving position behind the cutting station, whereby forward movement of the mobile frame causes the cutting station to move along a row of tobacco plants so that the tobacco stalk is cut by the rotary cutter blade and is impaled and moved along the tobacco stick by the rotary paddle assembly.The apparatus further includes an automatic stick ejector mechanism for receiving the rear end of the tobacco stick and rotating the tobacco stick upward and behind the mobile frame upon actuation by a predetermined accumulation of stalks upon the tobacco stick, and a stick feeding mechanism for feeding one stick at a time from a stick reservoir to the stick receiver, operating in synchronism with the stick ejector mechanism.

Abstract: Disclosed herein is a grass catcher for a rotary lawn mower, which catcher comprises a frame including a first frame portion defining a mouth adapted to receive grass clippings from a lawn mower and a second frame portion extending from the first frame portion and defining an area removably coverable to facilitate clippings accumulation in and discharge from the catcher, and a bag on the frame including a pair of spaced side walls extending from the first and second frame portions, a rear wall located in spaced relation from the first frame portion, extending from the second frame portion and between and connected to the side walls, an additional wall extending from the first frame portion in opposing relation to the area, extending between and connected to the side walls, and connected to the rear wall, a cover extending from the mouth and being locatable in covering relation to the area, and an elastisized member for releasably retaining the cover in covering relation to the area.

Abstract: In the production of a covered core yarn in pneumatic spinning in a stationary, tubular spinning chamber, an endless thread (2) is covered with staple fibers (1). The staple fibers (1) are brought together with the core thread and are spun overtwisted in a twist blocking device (12). Due to a subsequent partial untwisting of the roving, reverse tying-in of the staple fibers around the core thread is made possible. The staple fibers (1) which are pulled in band form into a turbulence generator (7) from a pair of supply rollers (4) are radially spread successively under negative pressure before twisting by the turbulent air current (17). The turbulent air current (17) flows tangentially in and out through the guide screw of the twist blocking device (12). In one embodiment, the staple fibers (1) are spread in high draft in an eccentrically arranged fiber spreading chamber (8) of the turbulence generator (7) by eccentrically acting turbulent air currents.

Abstract: A portable hand-held traversable yarn end splicer adapted to be carried and operated by one hand of an operator while freeing the other hand to serve the splicer preparatory to, during, or after a splicing operation as conditions may require.The invention is characterized by the splicer of the class described provided with: a traverse mechanism responsive to the grip of the holding hand of the operator for axially reciprocating a tensioned segment of a pair of oppositely extending overlapped yarn ends, a wrap wheel responsive to said grip for consecutively winding one or more helical courses of wrap thread around said segment, a stationary cutter responsive to said grip for severing the tail of the yarn end near the beginning of the first course, and a second stationary cutter responsive to said grip for severing the tail of the other yarn end near the end of the first course.

Abstract: A spinning frame is provided with a fiber break guard having a fiber guide which as a consequence of the breaking of one of the individual fibers is displaced to cause the breaking of the other fiber. For a certain and rapid breaking of the remaining fiber, the displacement of the fiber guide caused by the remaining fiber, or at least the displacement of an associated member causes a pinching of the remaining fiber in a clamping device or the activation of a fiber separation device for cutting through the remaining fiber.

Abstract: A nozzle/valve device for a ducted rocket motor is provided. The nozzle/valve device employs a design in which a nozzle throat blockage element can be moved by translational motion within the nozzle throat section of the device. The blockage element is designed so that in the closed position the nozzle throat has a minimum cross-sectional flow area and therefore the nozzle throat is never fully closed. The seals employed in the nozzle/valve device are isolated from contact with reaction products of the gas generator and effective use of minimum amounts of erosion resistant materials is achieved.

Abstract: A method for combined cycle electrical power generation is disclosed wherein electrical power is generated by an electrical generator driven by a gas turbine, which is in turn driven by two gaseous products of a coal gasification process. The first gaseous product is produced with hot char by the reduction of a coal/water slurry by stream in a gasifier. The second gaseous product is produced by oxidation of the hot char in a combustor.

Abstract: A fuel control system for a gas turbine engine comprises a main fuel controller which varies the fuel flow to the engine in accordance with the engine pressure ratio and an idling fuel control arrangement. Control of idling fuel flow on a pressure ratio basis is somewhat wasteful of fuel. Therefore in the present invention the idling fuel control arrangement is arranged to control to a constant value of engine HP rotor speed. In the embodiment a variable bleed orifice is allowed to reduce the control pressure which operates the main fuel valve.

Abstract: A hydrodynamic torque converter which includes a booster pressure line for introducing a booster pressure into an internal hydrodynamic circuit. An inlet orifice of the booster pressure line into the circuit, arranged in a zone of the outer torus of the converter, has a radius with respect to the converter axis of rotation which is larger than the smallers radius of the outer torus with respect to the converter axis of rotation. The inlet orifice lies at a turbine wheel of the torque converter.

Abstract: A rotary power element for tensioning devices of safety mechanisms for protecting the occupants of vehicles by the use of safety belts has a rotatable drive mechanism, a compress-gas generator, and a tubular element between the drive mechanism and the compressed-gas generator. Also, the element includes at least one preformed acceleration member arranged in the tubular element. This member is capable of being driven forward against the drive mechanism under the action of compressed gas produced by said compressed-gas generator to accelerate the drive mechanism.

Abstract: A hot gas engine has an elastic and a lost motion connection between the working piston and the displacer, resulting in a rapid shifting of the displacer between its extreme positions. The hot and cold walls between which the displacer reciprocates are substantially planar and parallel, and the displacer is in the shape of a plate. The working piston comprises a diaphragm, so that there is no loss of working gas from the motor chamber.

Abstract: An exhaust pipe arrangement for internal combustion engines which includes an exhaust gas turbocharger, a bypass conduit for circumventing the turbocharger, a blow off valve, a starter catalyst disposed in an exhaust pipe, an oxygen sensor, and a main catalyst connected downstream of the turbocharger, starter catalyst, and oxygen sensor. To reduce the exhaust gas counterpressure and relieve the load on the starter catalyst at the same time, the starter catalyst is arranged upstream of a junction of the bypass conduit entering into the exhaust pipe.

Abstract: An internal combustion engine has a compressor in its intake passage and an exhaust turbine driven by exhaust gases, the turbine driving the compressor. A charge pipe downstream from the compressor charges a plenum chamber and the output from the plenum chamber passes through an intake pipe equipped with a throttle valve. The cross section area of the charge pipe is less than that of the maximum opening through the throttle valve. A branch pipe connects the charge pipe to a resonance chamber and the cross section area of the branch pipe is equal to or greater than the restricted cross section area of the charge pipe, with the result that surging of the compressor is minimized.

Abstract: A control arrangement is provided for controlling the operation of an hydraulic assist turbocharger of the type including an hydraulic turbine driven by an hydraulic fluid under pressure to supplementally drive a turbocharger during engine operating conditions when supplemental air flow is required. The control arrangement includes a dual function control valve responsive to engine speed and load to regulate the supply of hydraulic fluid to the hydraulic turbine in accordance with engine air flow requirements.

Abstract: The present invention discloses a method for recovering effective energy as power between liquefied natural gas and a high temperature source by cascading two kinds of Rankine cycles when the liquefied natural gas is re-gasified.

Abstract: A vapor component of a gas mixture is separated by condensation and is recovered for further use. A solvent vapor mixed with inert gas is condensed in a multistage heat exchange system in a manner which utilizes a first refrigerant to condense a portion of the vapor in a first heat exchange device, a second refrigerant, typically cold inert gas, for condensing a further portion of the vapor in a second heat exchanger and a third heat exchange device wherein the liquid phase of the inert gas (i.e. cryogenic liquid) is supplied to provide a source of refrigeration. In this latter heat exchange device, the cryogenic liquid is introduced into a body of condensed vapor thereby chilling such condensed vapor and stirring the same to avoid freezing. Chilled, condensed vapor is removed from the latter heat exchange device and is returned as a reflux thereto to condense the vapor component of the gaseous mixture supplied thereto.

Abstract: A method for controlling the energization of a crankcase heater for use in a refrigeration circuit is disclosed. The crankcase heater is energized through normally closed relay contacts except when the compressor is operating and except for a delay period after compressor operation. A microprocessor control is utilized to calculate the delay period based on the length of the period of compressor operation and to control the energization of the crankcase heater.

Abstract: An air conditioning system of the air cycle heat pump type for selectively heating and cooling a residence or similar space environment. In one embodiment, a combustor and associated Brayton cycle turbine provide the primary drive to a compressor constituting the heat pump. In a second embodiment, the Brayton turbine is replaced by an electric motor coupled to drive the compressor shaft. An auxiliary turbine is also coupled to the drive shaft to provide auxiliary drive derived from the operation of a portion of the system at sub-atmospheric pressure. In this portion, during the cooling mode, water is evaporated into the system to further assist in cooling by removing the latent heat of vaporization.

Abstract: The herein disclosed method of cold generation provides for the compression of refrigerant and its subsequent cooling. Then, at least part of the refrigerant flow is expanded, accompanied by the generation of acoustic or another type of wave energy which is extracted from the expansion zone by way of converting it to energy of another kind. Provision is made of a plant for accomplishing the method, wherein a refrigerant expansion device 20 includes a gas-jet mechanowave converter 21 and a wave energy converter 22 in the wave relationship therewith.

Abstract: The invention refers to heat transformation process and apparatus for air-conditioning in rooms for a great number of living creatures, particularly buildings for animal breeding, from which the foul air is let out and the fresh air is let in instead, further the breath produced in condensed at a temperature below dew point.The essence of the process according to the present invention is that the temperature of the heat quantity that released in the course of condensation is increased, in a manner known per se, to a level higher than that of the room and the part of the heat quantity that released in the course of condensation, not radiated to the environment is let into a heat absorption medium, then it is utilized in a manner known per se.The essence of the apparatus according to the present invention is that its heat absorber is a thermal pump, preferably the evaporator of a compressor-type cooling circle, and the compressor-type cooling circle comprises an exothermic unit, preferably a condenser.

Abstract: An air conditioning system of the air cycle heat pump type for selectively heating and cooling a residence or similar space environment. In one embodiment, a combustor and associated Brayton cycle turbine provide the primary drive to a compressor constituting the heat pump. In a second embodiment, the Brayton turbine is replaced by an electric motor coupled to drive the compressor shaft. An auxiliary turbine is also coupled to the drive shaft to provide auxiliary drive derived from the operation of a portion of the system at sub-atmospheric pressure. In this portion, during the cooling mode, water is evaporated into the system to further assist in cooling by removing the latent heat of vaporization.

Abstract: A container construction and combination in which a container for confining water or other fluid to be heated is provided with a metal heat exchanger disposed within the container. The heat exchanger is comprised of a single wall tube structure having outwardly directed fins extending in a vertical direction within the container. Means are provided for connecting an upper end of the heat exchanger to a source of heated refrigerant through an upper opening provided in a side wall of the container, the refrigerant being vaporized when heated, and condensed when cooled in the heat exchanger. The disposition of the heat exchanger permits the force of gravity to remove condensed refrigerant from the heat exchanger. Means are provided for returning condensed refrigerant to the source of heated refrigerant from a lower end of the heat exchanger and through a lower opening in the side wall of the container.

Abstract: A snow horn device for dispensing carbon dioxide snow in the form of a ribbon of substantially uniform width includes a conduit into which liquid CO.sub.2 is expanded to form solid and gaseous carbon dioxide which in turn is directed as a stream into a curved horn section of increasing, rectangular cross sectional area. The gaseous and solid CO.sub.2 stream is deflected to the outer curved portion of the horn section, and ambient atmosphere is introduced therein to create a pressure differential that causes solid CO.sub.2 to be spread evenly along the outer curved section. Alternately, the inner and outer curved horn sections are warmed by a flow of liquid CO.sub.2 which prevents solid CO.sub.2 from sticking to the curved surfaces. Solid carbon dioxide is discharged from the outlet of the horn section onto a moving surface in the form of a ribbon having a width approximately equal to the width of the horn section and at a uniform depth.

Abstract: The heat pump/engine operates in an open cycle between a cold air reservoir and a hot air reservoir to pump heat or to obtain energy by exchanging air at atmospheric pressure between the two reservoirs at different temperatures.The heat pump/engine employs a positive displacement compressor, heat exchanger and a positive displacement expander to transfer the air flows. A means is also provided for adjusting the stroke volume of the expander during expansion in the heat pump version. Also, a snowmaker preheater can be used with the heat pump to decrease power consumption.

Abstract: A carrier mechanism for the insertion of weft fibers is provided, consisting of only one moving part. The mechanism comprises a frame with guide holes through which the weft fibers may be led and a presser bar apparatus mounted on the frame in a fashion to allow free rotation of the presser bar apparatus. The presser bar apparatus is slidably engaged with a carrier cam mechanism mounted upon a loom or knitting machine wherein the weft fibers are incorporated into a fabric. By providing this slidable engagement off-center of the presser bar apparatus, one or the other presser bar may be caused to be depressed by translational movement of the carrier mechanism. At the point of greatest depression of each presser bar, the weft fibers are depressed to the extent that they are engaged by belts of hooks at either end of the loom, which hooks then advance the weft fibers, maintained in parallel alignment, into the loom or knitting machine.

Abstract: A warp-knit stringer tape, for slide fasteners suitable for use on knit garments, has a double-faced structure having a plurality of wales on opposite sides. The stringer tape includes a longitudinally stretchable elongate web portion, and a longitudinal non-stretchable marginal portion extending along one longitudinal edge of the web portion for supporting a row of coupling elements of the slide fastener. In the web portion, textured yarns are used for a plurality of threads extending longitudinally of the wales and forming stitch loops therealong. In the marginal portion, a gray yarn having a coefficient of thermal shrinkage higher than that of the textured yarns is used for a core thread.

Abstract: A washing apparatus having a tub for holding and draining a liquid, a spinnable tub for receiving materials to be washed and spin-drying the materials, a generally disk-shaped driven rotary base rotatably disposed in the spinnable tub on the bottom thereof at an eccentric position with respect to the axis of rotation of the spinnable tub, a support rotatably supporting the driven rotary base, a drive for selectively rotating the spinnable tub on the rotary base, and a pulsator detachably mounted on the rotary base for generating an eccentric liquid whirlpool in the tub.

Abstract: The machine for splitting skins through their thickness to obtain two sheets, of which one is a flower sheet on the hairy side and the other a crust sheet on the flesh side, comprises the already known elements of annular endless band blade tensioned between continuously running wheels and upper and lower feed rollers, with the characteristic that the edge of the cutting blade at the cutting location always remains fixed in the same transverse position, except for takeup of wear due to cutting and sharpening, whereas the upper and lower feed rollers are displaced in the direction perpendicular to the blade and in the direction parallel to same, in order to adopt the correct positions for obtaining the desired thicknesses of said two parts of the skin, respecting the optimum conditions for removing the parts themselves from the cutting complex.

Abstract: A combination padlock has dial-driven rotary sleeves mounted within the lock casing on a longer leg of the padlock shackle. The sleeves have peripheral teeth with at least one tooth being omitted on each sleeve to define a bypass gap. To open the lock, the dials must be rotated so as to turn each of the bypass gaps into alignment with a respective blocking projection in the lock casing. To thwart any attempt to pick the lock, alternate teeth on each sleeve are shorter than the adjacent teeth whereby a detent-type feel may be produced when the sleeve is rotated, simulating the feel produced when the bypass gap is brought into line with the respective blocking projection.

Abstract: A device for theft-proving vehicles such as passenger cars, trucks and omnibusses which comprises two body halves (1, 2) being pivotionally connected at their one ends (9, 10) and having recesses (13 through 18) at their other ends (3, 4). A lock (25) is fixed in the one body half (1) and a lock counterpart (26) in the other body half (2). The device can be closed over a steering wheel, the recesses (13 through 18) encompassing the cross beam and the ring thereof. In this situation, the device allows only limited turning of the steering wheel, since it hits against seat or window of the car.

Abstract: A security device for tackle boxes and the like which requires little alteration of the tackle box or item being secured thereby for substantially precluding theft of the item. The device comprises a sleeve member open at one end and closed at the opposite end, with the closed end being secured to the bottom of a boat, floor or other substantially permanent support structure for receiving the tackle box, or the like, thereon. The sleeve member extends through an aperture provided in the bottom of the tackle box, and a pair of aligned bores are provided in the sidewalls of the sleeve for removably receiving a padlock member therethrough. The bolts, or the like, securing the sleeve to the support structure are concealed by the tackle box and the padlock, which is disposed within the tackle box, precludes removal of the tackle box from the sleeve as long as the padlock is in the locked position.

Abstract: A device for the unlocking and locking of doors has a pneumatic blocking device (41) by which, in a third switch position of a main lock (1), all secondary door locks (3) in addition to the main door lock (1) are blocked in such a manner that they cannot be opened either from the inside or from the outside and thus can now be opened only by a main key (8) for the main lock (1). A 3/2-way valve (30) for controlling the setting members (35) of the secondary door locks (3) and the blocking device (41) is so developed that it is movable into its one position by an electric setting device (29) and into the other by a pneumatic setting device (37). The pneumatic setting device (37) is controlled by the alternating pressure which is produced by the pump (21) which is so switched and controlled that each time that it starts up it definitely alternately supplies vacuum or pressure.

Abstract: A cylinder lock assembly is provided with a cylindrical plug that may be interchanged and used in different exterior body members without changing the exterior body member of the assembly. This is of advantage to eliminate the need to stock a variety of expensive cylinder assemblies for plugs having different keyways or keys with different bitting locations. It is only necessary to maintain a supply of different plugs and keys. Commonality of parts for mortise and rim type locks also reduces inventory required in commercial and institutional establishments.The pin bores in the exterior members and the pin bores in the plugs are located a constant distance away from a selected reference point in the lock assembly and the exposed keyway face of the plugs. As a result, the pin bores in one or more plugs will align with the pin bores in one or more exterior body members so that the plugs may be used with different exterior body members.

Abstract: A key-removable core of figure-8 cross section having increased pull resistance. A recess is formed in the pin tumbler lobe of the core body and opens both outward through the side of the body and downward toward the key plug lobe. A control sleeve in the key plug lobe has a wide longitudinal rib which carries a core-retaining lug which extends from such rib both circumferentially of the sleeve and radially outward thereof into said recess so as to substantially increase the effective cross section of the lug for increased pull resistance. Cores with thus enlarged lugs may be used in standard receptacles. Also, the plug may be in two segments providing two end faces for retaining engagement with two shoulders in the wall of the receptacle. The lug may be further enlarged by increasing its length, and the increased length accommodated by forming the core chamber with deeper clearances and wider lug-engaging shoulders.