Abstract: A razor blade arrangement is provided, wherein the razor blade is supported for movement between concave and convex configurations. The razor blade is mounted in a cartridge which holds the blade flexed in convex configuration. The blade is so mounted in the cartridge and the cartridge is so mounted on a handle, that the cartridge-blade assembly may be flexed upon an application of a force on the face thereof. The cartridge-blade assembly is detachably mounted on the handle. The blade is mounted in the cartridge so as to permit relative longitudinal displacement between the blade and cartridge. This movement is afforded by means of providing elongated holes in the blade, which are engaged by pins or pegs forming part of the cartridge. The method of the invention comprises flexing a razor blade between convex and concave shapes in correspondence with the surface to be shaved. The blade is actually flexible in the order of magnitude of about one-eighth of an inch.

Abstract: Apparatus and method for minimizing and maintaining substantially constant the effective blade tip clearance between the outer free ends of rotor blades and an adjacent casing shroud of an axial-flow turbine of a gas turbine engine. The casing shroud includes a portion facing the hot gas stream and the outer rotor blade ends and a packing of high heat-resistance, high erosion-resistance ceramic elements secured to the shroud via a metal ring to face the blade tips. A heat insulator is interposed between the packing and the metal ring. A perforated conduit is mounted outside the metal ring for blowing cooling fluid against the metal ring on the side thereof remote from the insulator for equalizing the expansion of the metal ring to that of the turbine wheel. The ceramic packing includes projections facing the outer ends of the blades which are tapered so that they are easily broken off when coming into contact with the blades during running-in of the apparatus.

Abstract: Rotary positioning apparatus for a member movable through an angle of rotation of less than 360.degree. comprising a rotor including windings thereon and a stator including a permanent magnet establishing a magnetic circuit providing magnetic flux through which the rotor is movable, the rotor and stator constituting a DC motor. The stator includes a stationary hollow shaft on which the rotor is rotatably supported by bearings. The rotor includes a neck adapted for being coupled with the member to be moved. A plurality of flexible current carrying wires extend through the hollow shaft and through slots provided in the neck to the windings for energization thereof. The hollow shaft has opposite open ends at one of which the wires enter the hollow shaft and at the other of which the wires exit from the shaft and extend through the slots to the windings such that the wires undergo twisting within the confines of the shaft as the rotor rotates with respect to the stator.

Abstract: A hydraulic pump with an unloading function which comprises a pump body, a spring chamber formed in the pump body and communicating with a fluid reservoir, a pump chamber formed in the pump body and communicating with the spring chamber and an accumulator through a suction valve and a delivery valve, respectively. An operation chamber is also formed in the pump body and accommodates a drive member such as a pump drive shaft. A plunger slidably extending through a first partition between the spring chamber and the pump chamber, and a tappet having a smaller diameter than that of the plunger and slidably extends through a second partition between the pump chamber and the operation chamber to abut against the plunger. A spring is accommodated in the spring chamber and is adapted to apply a predetermined resilient force to the plunger to bias it toward the tappet.

Abstract: Apparatus is provided for simultaneously printing on plastic and embedding the printing in the plastic, and cutting or tear sealing out an area of the plastic within which the printing and embossing is effected. The apparatus includes a base with a printing and embossing arrangement relatively displaceable on the base. A first spring arrangement is provided between the printing and embossing arrangement and the base and a power source is provided to supply high-frequency heating power to the base. The first spring arrangement forms a path for the power to pass from the base into the printing and embossing arrangement. A second spring arrangement is coupled to the printing and embossing arrangement and insures the inking, registration and penetration of the same into the plastic when the plastic is softened due to the application of the power.

Abstract: An exhaust gas cleaning device for internal combustion engines, comprising an exhaust system having an exhaust port, a secondary air supply system having an upstream secondary air supply passage communicating with the atmosphere and a downstream secondary air supply passage communicating with the exhaust port for supplying the exhaust system with secondary air, and a reed valve device disposed in the secondary air supply system and adapted to open and close in response to the pulsations of the exhaust gas pressure in the exhaust system. The reed valve device includes a valve housing constituted by a housing structure formed on the cylinder head cover of the engine and a cover member secured to the housing structure, the cover member having a plurality of projections projecting inwardly from the inner surface thereof. The reed valve device also includes a reed valve member clampingly held between the upper surface of the housing structure and the projections of the cover member.

Abstract: Solar collector comprising a closed housing of mainly rectangular cross-section, a collector thermally connected to the housing for converting solar rays into heat, a working fluid which, during operation, is partly liquid and partly gaseous, an evaporation space within the housing, a condensation space within the housing, an internal connection between said spaces, and a heat exchanger. An intensive thermal contact between the heat exchanger and the working fluid is obtained by providing the condensation space with a wall profiled inwardly of the housing and forming a space substantially shut off from the surrounding atmosphere, the space being positioned within the outer boundary of the housing but outside the internal portion thereof, and by disposing the heat exchanger within the space and in thermal contact with the wall.

Abstract: A front wheel suspension for a motor tricycle comprising a frame having a head pipe, a pair of front forks steerably supported on the head pipe, and a pair of bottom cases slidably fitted on lower portions of the front forks to support a front wheel. Within a closed space formed within the front forks and the bottom cases are arranged a damper to connect the forks and cases and a coil spring for biasing the forks and cases in extended direction to the damper and the coil spring thereby being protected from obstacles and considerably improving the riding comfort.

Abstract: A blower apparatus is provided especially suitable for an air curtain, screen or barrier. The apparatus includes a blower in the form of a plurality of blades arranged to describe a cylinder. A guide encircles the blower, but is open-ended thereupon and extends axially beyond the blower to generate an air stream, the width of which is greater than that of the blower. A deflector or interceptor plate is arranged, which is coextensive with that portion of the guide, which extends beyond the blower and which is coextensive with a portion of the blower in a range of about 45.degree.-90.degree. thereof. The deflector or interceptor plate prevents air from circulating in an axial direction back into the blower and therefore improves the effectiveness of generation of the air stream, which flows tangentially out of the blower arrangement.

Abstract: A data storage system is provided which includes a document station for supporting documents for reading by an operator. A microfilm camera is superposed above the document station in order to photograph documents thereon. A display is provided on the station and the camera is so positioned and has a field of such size that it is adapted to encompass the station and documents thereon as well as the display. A keyboard and computer terminal are included and are so arranged that the operator can read data from the station or documents thereon, and enter data by means of the keyboard into the computer terminal. The keyboard includes controls coupled to the computer terminal and to the camera for operating the camera to photograph simultaneously any document on the station and the display. The camera includes a film transport device for transporting film along a path which is parallel with the horizontal axis of the station.

Abstract: Apparatus and method for expediting the starting of an internal combustion engine in which a vacuum-operated throttle actuator is controlled by a vacuum passage connected therewith and extending from an intake vacuum outlet located adjacent to the throttle valve. According to the invention, a second vacuum passage to the actuator communicates with the intake duct downstream of the throttle valve and a solenoid type switching valve is arranged between the two vacuum passages so that, when a warmed engine is restarted, the actuator is fed with vacuum through the second passage to actuate the throttle valve to a more open position than its normal idling position to yield a mixture of optimal air fuel ratio.

Abstract: An automatic regulator for an internally expanding drum brake capable of automatically controlling the amount of play or ineffective stroke of a brake wire to a predetermined value so that an intended braking effect can be always produced with a definite stroke of the brake wire irrespective of wear on the linings of brake shoes or permanent expansion of the brake wire. A brake lever is operatinely connected with the brake shoes housed in a brake drum so that the brake lever is pivoted by operation of the brake wire to outwardly expand the brake shoes to place the shoe linings into frictional engagement with a brake surface of the brake drum. The return angle of the brake lever upon a brake releasing operation is rendered constant by a stopper mechanism. The brake wire comprises an inner wire member connected to the brake lever, and an outer wire member slidably fitted over the inner member and urged by a compression spring in a direction away from the brake lever.

Abstract: A slide is provided which includes two elongated telescopically engageable members mounted for relative telescopic sliding movement. The members include respective side walls shaped to define longitudinal ball bearing tracks. Ball bearings supported by a carrier are accommodated in the tracks to facilitate relative longitudinal sliding movement between the elongated members. One of the elongated members is connected at one end to the rear of a drawer and at the other end is loosely accommodated in an opening concealed in the front of the drawer thereby permitting self-alignment of the drawer. The other elongated member is fastened to the casing of a piece of furniture or the like. The loosely accommodated end is engaged with a guide installed in the aforementioned opening.

Abstract: A greenhouse construction is provided for support against a supporting structure such as a house. The greenhouse construction comprises a glazing structure consisting of glazing and glazing bars. There is also provided a ridge which supports the glazing structure against, but spaces the same from the supporting structure. The ridge includes openings respectively opening into an enclosure defined by the glazing structure and into ambient atmosphere and there is also provided a blower which exhausts air from the enclosure and expels it into ambient atmosphere via one of the aforesaid openings. The ridge is provided in the form of a plurality of channels, one of which has a face adapted for abutting against the supporting structure and defining a pocket for receiving the glazing bars. Another of the channels is supported on the channel with the aforesaid pocket and this additional channel is provided with its own pocket for supporting a flashing structure.

Abstract: A method and apparatus for simultaneously adjusting the fluid pressures in a dual hydraulic circuit arrangement in which in a first hydraulic circuit pressurized fluid is supplied from a first pressure source to a first fluid pressure activated device and in a second hydraulic circuit pressurized fluid is supplied from a second pressure source to a second pressure activated device, comprising a cylinder having opposite closed ends and spaced bulkheads therein defining a central chamber between the bulkheads and a pair of chambers on respective opposite sides of the bulkheads. A pair of spaced first pistons are slidably mounted in the central chamber to define a control pressure chamber therebetween and first and second primary fluid pressure chambers between respective pistons and the bulkheads. The first primary fluid pressure chamber is connected to the first pressure source while the second primary fluid chamber is connected to the second pressure source.

Abstract: A vacuum type brake booster device is provided which comprises a booster shell of substantially elliptical shape in transverse cross section, a booster piston of similar shape as the booster shell and accommodated therein for axial reciprocating movement, and a diaphragm secured about the outer periphery thereof to the booster shell and about the inner periphery to the booster piston to divide the interior of the booster shell into a first working chamber in communication with a vacuum source and a second working chamber adapted to be selectively placed in communication with the first working chamber or the atmosphere by a switching valve. The diaphragm is also shaped substantially elliptically in transverse cross section, and includes a pair of opposite straight peripheral wall sections and a pair of opposite arcuate peripheral wall sections interconnecting the straight wall sections; the arcuate wall sections have a wall thickness greater than that of the straight wall sections.

Abstract: A method and apparatus for continuously separating solids and liquid in a solids-liquid mixture are disclosed. In accordance with the invention, a separation zone for separating solids and liquids from a solids liquid mixture is provided in which the mixture is subjected to centrifugal force under low shear forces and low turbulence. In this zone, the flow rate is maintained to be less than the terminal settling velocity of the solids in the mixture. Further in accordance with the invention, the mixture is introduced into the separation zone from a zone of higher turbulence and higher flow rate than those of the separation zone, a minor part of the mixture in the other zone being removed to the separation zone. The major part of the mixture is removed from the other zone and discharged and returned to the mixture source in such a manner as to aerate the returned mixture. The separated solids are returned to the mixture source with the major part of the mixture.

Abstract: A tracking error detection system in a magnetic reproducing apparatus having M rotary heads where M is an integer and M rotary heads respectively and successively scan over oblique tracks on a magnetic tape to reproduce signals, comprises a head moving mechanism for moving at least one rotary head along a height direction thereof, a head moving signal generating circuit for generating a head moving signal having a square wave shape wherein a rise and a fall are obtained for every M.multidot.

Abstract: An exhaust gas cleaning system for an internal combustion engine including two cylinders arranged in V-shape and an exhaust system having exhaust ports. A secondary air supplying system is connected to the exhaust system for supply of secondary air. Reed valve devices responsive to an exhaust gas pulsation pressure are incorporated in the secondary air supplying system and are opened and closed under the action of exhaust gas pulsation developing during engine operation. The reed valve devices are disposed in a space defined between the two cylinders. The reed valve devices are connected to the exhaust ports through respective secondary air supplying pipes which form a part of the secondary air supplying system. The secondary air supplying pipes are wound so as to surround the respective cylinders.

Abstract: A machine for burying slurry, sewage, or other soil-improving fluids has a hollow straight forward-leaning tine which carries at its bottom end an arched, forward-sloping delta-shaped shoe for lifting the soil into the form of a tunnel. The hollow interior of the tine opens through the roof of this shoe, and slurry is delivered through the tine into the cavity under the shoe. A free-running vibrator on the tine vibrates it and the shoe vertically. The tine is resiliently loaded by a spring to its working position, and the reaction of the spring is applied directly to a reaction lever separately pivoted on a subframe carrying the tine. The spring reaction biases the lever downwards, and the lever is supported at its rearward end behind the tine by a roller which closes the slit formed by the tapered leading edge of the tine.