Abstract: The invention comprises an improved connector for providing a sloped roof deck between horizontal joists and a plurality of roof trusses. A plurality of sets of integral connectors are used for connecting the roof trusses to the joists with the roof trusses being in a parallel array and perpendicular to the joists. Each of the integral connectors has a base element for mounting to the joist and a support element for mounting to the roof truss with a coupling means disposed therebetween. Each set of connectors has a discrete size coupling means to dispose the support elements at different heights relative to the base elements thereby sloping the roof trusses at the acute angle relative to a horizontal. The sloped roof deck generally comprises a plurality of sheet members disposed between adjacent roof trusses of the parallel array.

Abstract: A sheet metal starter shingle and a roof covering employing the starter shingle. The starter shingle is five sided with a first side engaging with the eave edge of a roof, two sides perpendicular to the first side, and two other sides angled inwardly from the perpendicular sides to meet at a peak opposite the first side. All the sides have means for engaging with adjacent starter shingle, roofing shingles or the roof eave edge. The roof covering employing the starter shingle also employs rectangular, sheet metal roofing shingles each having a length twice its width, and a width equal to one of the angled sides of the starter shingle. A method for laying the roof covering is also disclosed.

Abstract: An anchor bracket for securing an article on a support surface. The anchor bracket comprises a clamp device for securement to the article and at least two anchor rods for anchoring in hard ground such as rock. Each of the anchor rods has a top end and a bottom end section with the bottom end section having an expanding end. A securement sleeve is provided about the bottom end section of each anchor rod and has at least an expandable section whereby the expandable section of the securement sleeve will be caused to expand by relative axial displacement with the expanding end of the anchor rod for anchoring the bottom end section in a hole of proper cross-section extending through the surface. The clamp device is attachable to the anchor rods for securement of the article on the support surface.

Abstract: A cluster of working bin modules resembling the cells of a honeycomb is used for storing tons of particulate commodities. This structure eliminates the need for corrugated sheet metal walls thereby reducing the explosion hazard. The bins share common smooth walls which are joined where they intersect by connectors which form hollow vertically-extending prisms. After the hexagonal modules have been erected and connected, the prisms are filled with concrete to form a watertight seal between adjacent bins and to permit the prisms to support heavy equipment mounted on top of the cluster. The hexagonal working bins are mounted on columns formed by concrete-filled vertical tubes. Each column is attached to the foundation by a ground anchor having a structure providing high shear strength to resist earthquake damage. Each column includes at its top a short hollow hexagonal prism; horizontal struts connect the hexagonal prisms of adjacent columns.

Abstract: According to the present invention there is provided a profile for holding suspended panels forming a false ceiling, comprising a strip of material, part of the strip being composed of a two ply portion, the two plies separating by being bent from the said two ply portion, springy tongues being punched out of the individual layers of the two ply portion, at distances from one another, the tips of said tongues being directed towards the free edge of the two ply portion.According to a preferred embodiment the profile consists of a strip of material which is bent double lengthwise, the free margins of the strip being bent apart to form an obtuse angle, the extreme marginal portions extending normal to the doubled part; springy tongues being punched out of the doubled portions, at distances from one another, the tips of such tongues being directed towards the bend of the doubled portion.

Abstract: An apparatus is described for handling a continuous, stuffed, flexible casing and especially stuffed with explosives material. The apparatus includes pairs of split necking plates on either side of a casing path adapted for opposed reciprocal movement for engaging the casing in the path and necking the casing. The necking plates are mounted by a parallelogram linkage suspended from an overhead frame, and linkage means are provided for simultaneously moving the necking plates through said parallelogram linkage to neck the casing. Each pair of necking plates is adapted to move apart in a direction parallel to the axis of the path of the casing such that when the casing is necked by the necking plates, the neck so formed on the casing can be elongated by moving the plates apart.

Abstract: This invention relates to a machine for closing the upper flaps of a parallelepiped box. According to the invention the machine comprises a first closure member for the front flap of the box and a second closure member for the rear flap, said members being carried by a rotatable support in such a way that, when the support is in a first angular position, the first closure member is inserted in the path of the box to engage and close the front flap thereof and, when the support is in a second angular position, the second closure member is driven to engage and close the rear flap of the box.

Abstract: A synchronized wrapping machine which receives a series of articles to be wrapped and forms and heat seals a wrap of heat sealable material around each article. The incoming articles are longitudinally aligned and are thereafter conveyed in preselected spaced relation into a tube continuously formed of longitudinally overlapped heat sealable material, with the tube thereafter being heat sealed together and severed intermediate adjacent articles. The overwrapped articles are engaged by upper and lower article carrier holding cups and are transported longitudinally between upper and lower indexing conveyors which drive the article carriers. During traverse of the indexing conveyors, the overwrapped articles are turned 90.degree. by the article carriers and the severed ends of the wrapping are tucked and folded before engagement with an end sealer which heat seals the ends together.

Abstract: A harvesting machine comprising drive means for driving certain components thereof, drive control means for engaging and disengaging the drive means, drive reversing means associated with the drive means, and control means for controlling the drive reversing means and being actuable in unison with the drive control means, the arrangement being such that upon actuation of the drive control means and the reversing control means in unison, first the drive reversing means are actuated and subsequently the drive means are engaged so as to be driven in the reverse direction.

Abstract: The invention relates to agricultural machines and is particularly applicable to tractor mounted drum mowers which suffer from the problem of tilting about the ground engaging point nearest to the tractor when undergoing right-hand turns. This problem is met by the provision of a machine having a mounting beam, a main beam supporting in a depending fashion one or more working units and at least three links for floatingly coupling the main beam to the mounting beam, at least one of the links being coupled to the main beam at a location below the latter. This provides a stable machine and in order to obtain independent flotation of the working units when more than one is employed, the links are coupled to the respective beams by universal joints with the exception of one link which is coupled to the mounting beam by a non-universal pivot in order to prevent a transverse shift of the working units during flotation.

Abstract: In a crop roll forming machine having a reversibly rotatable bale forming means there is provided an improved drive means with tensioning means movably affixed to the frame for cooperative interaction with the drive means and the bale forming means to selectively cause the bale forming means to cease being driven in a first direction and cause it to be driven in an opposing second direction when the tensioning means is moved to a predetermined position so that a completed crop roll is ejected rearwardly from the machine onto the ground.

Abstract: A haymaking machine with at least one drum rotating about a substantially vertical axis and carrying flexible resilient elements of rubber or plastic in plate-like or bifurcated or various other forms and adapted to lift and impel cut fodder without the use of metal tines.

Abstract: A method of making slub or thick and thin yarns with twist variation on open end spinning machines by changing the speed of the yarn as it exits from the rotor of the open end spinning machine. The method produces a unique slub yarn which has a portion of high twist adjacent the slub in the yarn which has lower yarn twist.

Abstract: A process is disclosed for producing a continuous multifilament yarn of melt-spinnable, polymeric material which comprises draw-texturing first and second continuous filament yarn ends separately and then combining the yarn ends in an interlacing zone by feeding one of the yarn ends at a higher speed than the other through a jet entangler to interlace the yarns together. Also disclosed is the spun-like continuous multifilament yarn produced by the novel process.

Abstract: An improved false twist machine employing a friction disc arrangement which provides high twist in the multi-filament yarn on the entering side and increased yarn feeding rate on the outlet side to reduce the tension of the exiting yarn to lessen the number of filament breaks. The friction disc arrangement has discs of increased thickness to diameter ratio on the entering side when compared to the exit side, to provide increased yarn angle to accomplish the desired high twist. The reduced thickness to diameter ratio on the exit side increases yarn forwarding action, thus reducing the outlet tension.

Abstract: An electronic timer includes a presettable counter for continuously counting clock pulses and which is controlled to selectively count to a desired time count and to continuously count from that desired time count. A storage device stores, upon actuation, a time count counted by the presettable counter. A detection output is produced when the presettable counter has completed the counting from the desired time count therein to a given time count. An alarm is generated in response to the detection output and is thereafter stopped. In response to the stopping of the alarm, the presettable counter is preset with the time count stored in the storage device. In this way the presettable counter is automatically set to an initial time count to enable repeated use without complication.

Abstract: A display device for a timepiece comprises an apertured dial and an electro-optical display element affixed to said dial so that said display element can be viewed through said aperture. The display device also includes an insulation layer and electrodes on said insulation layer.

Abstract: A sealed, shaped watch-case has a rim formed with a rectangular interior defined by a wall in which a annular groove is formed around the rim interior. The watch movement is supported in the rim by an elastically compressible retaining ring held in compression axially of the case by a circular, annular retaining part formed with radially outwardly extending projections. These projections are insertable into the rim by disposing them at corners of its rectangular interior until they are level with the groove so that rotation of the retaining part locates them in the groove to lock the retaining part in position. The case also has a base welded to an annular frame which is an interference push fit on the retaining part.

Abstract: An electronic metronome has a visual indicator, a loudspeaker, and a duty time setting circuit for setting the visual time of a visual indicator corresponding to each speed of various tempos. Accordingly, it is easy for a singer, a player, etc. to precisely see the predetermined tempo by using the duty time setting circuit.

Abstract: An alarm clock having a removable throwable alarm.

Abstract: A combined timekeeper and calculator implemented on an LSI semiconductor chip includes a generator stage for generating basic clock signals and system clock signals which are obtainable by modifying the basic clock signals, and a processor stage responsive to the supply of the system clock signals for performing the operations required for the timekeeper mode and calculator mode. The basic clock signals also are modified to create second signals useful in the timekeeper mode. The generator to supply the processor unit with the system clock signals while the second signal is being generated. Upon completing the operations by the processor unit, a clock control circuit prevents the processor unit from being supplied with the system clock signals.

Abstract: Apparatus and method of machining a long wooden rod of square cross-section, of selected dimension, so as to provide a multi-link chain of separate inter-linked oval links. In its simplest form, the machine involves a single rotating cutter assembly, which includes two thin rectangular blades spaced apart, and contiguous with a central smaller radius portion, which has a concave contour. In the preferred arrangement four cutters are applied with the plane of each cutter coincident with a diagonal plane of the square rod and positioned over one corner, so as to provide a wooden cross with each arm rounded on its outer edge. By applying the cutters in such a way each of the links in one arm of the cross are cut to a selected length and rounded. By applying the cutters to each corner of the rod, a plurality of links lying in perpendicular planes are provided, which links are attached to each other at their ends.

Abstract: A fuel control schedules fuel to a gas turbine to produce a scheduled speed profile during startup. The scheduled speed profile is continuously compared to actual turbine speed during startup, and the difference is compared to an alarm setpoint and a trip setpoint. Normally, temperature and surge limit controls prevent the turbine from accelerating too fast; and, if the turbine is accelerating too slowly, an alarm output is generated when the actual/desired speed difference reaches the alarm setpoint and the turbine is tripped when the actual/desired speed difference reaches the trip setpoint.

Abstract: An overspeed protection system is provided which utilizes simplified construction for detecting overspeed conditions of a rotating device. In the preferred embodiment, a single up/down counter is employed in an overall sequence which includes a first time period during which the counter is counted up from a preselected value by a series of pulse representations of speed for the rotating device. After the expiration of the first time period of the sequence, the counter value is compared to an overspeed limit selected during the previous sequence. If that limit is exceeded, an overspeed condition is detected by the system. In a second time period of the overall sequence, the counter is down counted by the pulse representations of speed. After the expiration of the second predetermined time period of the sequence, the counter value is compared to the original preset value to determine the rate of change in device speed.

Abstract: A spark plug is located in a combustion chamber so as to decrease the combustion time of the charge inducted into the combustion chamber. The charge is formed, before inducted into the combustion chamber, by mixing an air-fuel mixture and substantially inert gas such as exhaust gas so that the weight ratio of the fuel combusted in the combustion chamber and the substantially inert gas falls within the range from 1:13.5 to 1:18.5 during normal engine operation.

Abstract: A system for mechanically or hydraulically driving or powering equipment in underground mines off an advance flight of a belt conveyor, in which an assembly of a spaced and drivably connected drive roller and pump and a common base is releasably mountable on wire ropes or other supporting members at opposite sides of the conveyor for selective positioning longitudinally of the conveyor beneath the conveyor belt's advance flight and is vertically adjustable relative to the advance flight for adjusting the driving engagement of the drive roller with that flight for either continuous or intermittent drive of the drive roller and pump while the belt is running.

Abstract: In an hydraulic power system for operating a vehicle levelling system and braking system, an accumulator supplies both the levelling system and the braking system. The accumulator is connected indirectly to the braking system through a pressure limiting device, which disconnects the braking system from the accumulator when a predetermined pressure is reached.

Abstract: Hydraulic system for operation of winches which are associated with powered friction pulleys for hauling a wire, the winch winding the wire onto the drum being provided with valves permitting the friction pulleys to idle freely when it is convenient to use the winch drum proper also for hauling the wire.

Abstract: Flow from a pressure source is bidirectionally conducted to a prime-mover driven, bidirectional, positive displacement pump and in-series flow restrictions; the pressure source and flow restrictions functioning to provide the reference flow rate; the pressure gradient across said pump bidirectionally signaling the error in prime-mover speed. Means responsive to said pressure gradient provide proportional plus integral control of the prime-mover speed.

Abstract: A hydraulic power pack having a framework, a prime mover driving a hydraulic pump, a hydraulic circuit including a reservoir and flow and return connectors. The power pack also includes an oil cooling system comprising a thermostatically operated valve and an oil cooler in the hydraulic circuit. The valve diverts flow of fluid to the oil cooler when the temperature of the fluid rises above a predetermined limit, before returning the fluid to the reservoir. The oil cooler has a pair of heat exchangers mounted at the respective outlets of a double acting centrifugal fan directly coupled to and driven by the prime mover.

Abstract: A hydraulic power pack having a prime mover driving a plurality of hydraulic pumps, a hydraulic circuit including a reservoir connected to an inlet of said pumps, an outlet circuit from said pumps, one or more pressure relief valves in the outlet circuit and a plurality of external connectors on the outlet circuit. The connectors and the relief valves are arranged so that different hydraulic flow and pressure characteristics may be obtained from each connector. Each connector has a flow and a return line, the latter being connected to the reservoir. Valves provided in the hydraulic circuit are responsive to zero flow in the return line of each connector and are adapted to divert the hydraulic flow directly to the reservoir without restriction.

Abstract: An assisted braking device comprises a master cylinder and piston assembly the piston of which is connected to the piston of an assisting jack by an axially aligned interconnecting element. A brake pedal is adapted to operate the interconnecting element by a thrust member and a lever which is articulated to the interconnecting element and connected at one end to the thrust member; the other end of the lever acts on a distributor which can direct hydraulic fluid under pressure to the existing jack. A force on the brake pedal is transmitted via the thrust member and the lever to the interconnecting element to displace the master piston, and the end of the lever acting on the distributor simultaneously energizes the assisting jack. Safety abutment means which operate in the event of failure of the assisting hydraulic pressure allow displacement of the master piston by the force directly applied through the thrust member.

Abstract: An automatic impact delivering device or tool of the internal combustion type having a self-contained fuel supply, wherein:1. valving is an integral function of the piston;2. a pre-compression chamber and a combustion chamber are provided in the same structure;3. there is only one major moving part;4. a spark plug is fired by an ignition means, the ignition means being movable to enable the operator to change the power output of the device by changing the compression ratio of the fuel and air mixture in the combustion chamber;5. a fuel metering system is an integral part of the piston and cylinder, thus not requiring any additional moving parts; and6. the device is loaded by a single spring disposed wholly internally thereof.

Abstract: A mass transit system is provided which derives its basic energy from the solar system and recovered heat energy.

Abstract: A vapor compression cycle device is described which includes a multi-component working fluid mixture, and an improved condensing heat exchanger. The vapor compression cycle device includes also a high-pressure liquid accumulator with an associated flow restricting device positioned between the condensing heat exchanger and the evaporating heat exchanger, and a liquid accumulator positioned between the evaporating heat exchanger and the compressor. A method is also described of modulating the capacity of such a device.

Abstract: A heating and air conditioning system and method involves the use of turbomachinery and a working fluid capable of changing phase at specific temperature and pressure and powered by an external heat source. The pressure of a portion of the working fluid in liquid form is increased and thereafter heated to change phase to a gas for use as a high energy working fluid component which is flowed through the turbo-drive. Another portion of the working fluid, at an intermediate pressure is expanded to a lower pressure and then passed through an evaporator, whose output forms a low energy working fluid component in gas form. The low energy working fluid is flowed into the turbo-device for admixture with the high energy working fluid, to effect an energy exchange therebetween. The turbo-device includes an output which is condensed and at an intermediate pressure. Various systems, turbo-devices and working fluids are described.

Abstract: An improved cryostat for use in a low or a substantially gravity-free environment adapted to cool an experiment through the use of helium II, or helium in its super fluid state. The cryostat is characterized by a plurality of interchangeable daughter dewars and helium supply or mother dewar having connected therewith a low pressure venting system for converting helium I contained therein to a super fluid state for use as a primary cryogen. Each daughter dewar is adapted to be removably mounted in mated relation on the mother dewar and is characterized by a support for an experiment package, a source of helium to be employed as a secondary cryogen, and a heat pipe suspended therefrom and adapted to be extended into the mother dewar for facilitating cooling of the secondary cryogen whereby a transfer of heat from the package to the primary cryogen, via the secondary cryogen, is accommodated as a film flow of helium II progresses from the heat pipe to the experiment dewar.

Abstract: The distillative freezing process disclosed is useful in separating a mixture containing at least two volatile components, denoted respectively as A-component and B-component, by simultaneously vaporizing the two components from the mixture under a sufficiently reduced pressure to simultaneously crystallize B-component. The vapor mixture obtained is brought to a condensed state either by a simple condensation operation or a condensation-desublimation operation without being substantially pressurized. The process may be conducted to completely eliminate the liquid phase and bring the mixture into the two phase solid-vapor region. Then, the solid phase in no longer contaminated by the adhering liquid phase and gives a high purity B-component on melting. The process is particularly useful in separating mixtures containing close boiling components, such as styrene-ethyl benzene mixtures, p-xylene-m-xylene mixtures and ethylene-ethane mixtures.

Abstract: An earring specially adapted for pierced ears is disclosed. Apart from the normal ornament, post and retaining clutch provided in such pierced earring constructions, the present construction includes a secondary ornament mounted to be both rotatable with respect to its mounting means and adjustably slidable towards and away from the first ornament so as to be positionable below the wearer's earlobe. Such is accomplished by the provision of a secondary clutch attached to the primary clutch and in which a post portion of the secondary ornament is rotatably and slidably secured. In this fashion, novel and unique ornamentation effects may be provided on the wearer's ear.

Abstract: A composite drive shaft having a pair of aligned, diametrically opposed bores in which a cross-shaped coupling forming part of a universal joint is pivotally connected. This construction materially reduces the weight of drive shaft/universal joint combinations by eliminating the steel Hookes joint yokes which heretofore have been bonded into the shaft.

Abstract: An overload coupling includes an automatically positioned frangible portion to replace a just fractured frangible portion. A first coupling member caused to rotate by the power take-off of a tractor, or the like, has a rotary advancing spring connected thereto which can be hand wound to bias a removable magazine for the frangible element carried by a housing mounted on the first coupling member so as to be rotated by the advancing spring. A second coupling member is journalled on the first coupling member and drivingly connects to an agricultural implement or the like. It further connects through the frangible element to the first coupling member. The first coupling member defines a guide for the end of the frangible element, a portion of which is received in a slot or opening in the second coupling member.

Abstract: For a textile machine fed by yarn bobbins, such as a hosiery knitting machine and like apparatus, a device is provided for detecting the condition in which the yarn is nearly finished in any bobbin and for stopping the machine automatically prior to having to suffer from damage to the article being knitted.A system of fixed and movable contacts associated to each section of the bobbin is provided, the movable contacts being responsive to the presence and the pressure of the yarn so that when the yarn pressure on the bobbin stud begins to be released, the movable contact closes an alarm and stopping circuit.

Abstract: A reversible drum for a laundry handling machine is described wherein the drum motor drives a timer, eliminating the use of two motors. The timer includes a bistate device driven by the motor and controlling its sense of rotation.

Abstract: A delay mechanism for providing a delay in the spin cycle of an automatic washer is operated by means of a pawl pivotable about a stud rotating on an eccentric, which in turn is engageable with a spin gear only in one direction of rotation, and thereby provides a delay of substantially one revolution of the eccentric upon a change in direction of rotation of the eccentric.

Abstract: An elongated tubular handle and support member connectable at its upper end with a vacuum hose and at its lower end with a vacuum head having a perpendicularly extending, elongated suction opening and including a pair of spray nozzles fixed with respect to the vacuum head and adapted to spray, respectively and selectively, either carpet cleaning fluid or carpet dyeing fluid behind the vacuum head, supports along the length thereof an open-topped container for removably receiving a liquid dye container. The tubular handle and support member also has attached thereto a control valve assembly for directing fluid under pressure to either of said spray nozzles, selectively, from a single remote source.

Abstract: A system, including apparatus and method for cutting leather and like flexible sheet material into straps and/or strips and for sequentially sizing and shaping the straps and/or strips uniformly, the apparatus comprising a cylindrical bar with shaping and sizing circumferential grooves in the surface thereof, a pivotable biased holder carrying a cutting edge disposed at a narrow acute angle across one or both of the mentioned grooves in the cylindrical bar so that undesired portions of the straps or strips are cut off to size and shape the strap or strip as it is forceably drawn between the groove and the mentioned cutting edge. The cylindrical bar also comprises a slot and one or more spacers to hold one or more blades parallel to each other and perpendicular to the body so that a sheet of rawhide, leather or like flexible material may be selectively and simultaneously cut into uniform strips by drawing the sheet through the parallel blades.

Abstract: A protective cover for a shackle lock is integrally made of a resilient material having an upper surface with a pair of spaced apertures defined by ring seals integrally molded to the top and surrounded by an accordian fold. Downwardly depending sidewalls fit over the body of a shackle lock and terminate with a peripheral bead adapted to sealably engage a bottom plug having a corresponding recess such that when the plug is fitted into the open bottom a tight seal is formed. In the preferred embodiment, a tether is coupled to the bottom and is detachably secured to one of the walls of the cover. The accordian fold surrounding the spaced apertures permits the apertures to align with shackle bars of a variety of lock sizes while the ring provides a tight seal against the shackle bar preventing entry of vapors, dirt, moisture, and the like.

Abstract: A lock mechanism particularly for doors having a narrow stile, wherein a unique arrangement of components provides greater security and facilitates manufacture and installation, as characterized by a heavy pivotally swingable main bolt connected at its inner end to one end of a rocker actuating lever, the end of the lever being provided with a unique escapement for the release and control of the movement of the rocker arm by an associated manually rotatable key-actuated cam extension, to move the main bolt between locked and unlocked positions. An important feature of the escapement resides in a unique arrangement of parts which is not critical as to the dimensions of the actuating cam extension, and which readily accommodate to actuating cams that may vary materially in their dimensions. The escapement also enables a better and more symmetrical resolution of the operating forces and the obtainment of maximum security.

Abstract: A double deadbolt lock having a housing in which two latch bolts are mounted for reciprocal movement between an extended locking position and a retracted unlocked position. The bolts are in transverse alignment so as to have an elongated face on one opposite an elongated face on another. Each of the two opposite faces has a pattern of alternate, allochirally arranged lands and grooves extending obliquely away from one end of the bolts toward the other end. The housing has a keyhole extending therethrough in alignment with the said opposite faces of the bolts. The key for locking and unlocking the bolts has a shaft having a cross-sectional size and shape corresponding to the size and shape of the hole. Opposite edges of the shaft have alternate lands and grooves complementary respectively to corresponding lands and grooves of the latch bolts.

Abstract: A rolling mill is disclosed wherein at least two drive rolls are mounted for rotation within a frame, with each drive roll being rotatably supported by at least one backing roll and at least one working roll is mounted for rotation between the drive rolls to define at least one path for passage of material to be rolled. While each working roll is freely rotating, it is rotatably driven by surface friction produced by engagement with at least one of the drive rolls. Each working roll has a diameter less than the diameter of the drive rolls and the mounting position is such that the rotational axis of each working roll is substantially in the same working plane as the rotational axis of the drive rolls while lateral support devices, preferably in the form of hydraulic medium operated piston members, act in engagement with the surface of each working roll to prevent movements of the working roll out of the working plane.