Abstract: The present invention concerns a piece of seating furniture convertible to bed, comprising a stationary body (1) and at least one articulated frame (2) attached to the body and consisting of a rear back part (3) and a front back part (4) and of a seat part (5) carried on a carriage (14) by means of levers (7, 13). The invention is characterized in that the rear part (3) of the back of the articulated frame (2) is significantly shorter than the front part (4) of its back and, by the intermediate of a further frame part (9), pivotably attached to the stationary body (1) around a transverse shaft (10) provided in the rear part of the body (1), the said further frame part (9) being prevented by stop members (11) from being pivoted to below the horizontal plane. At the front end of the seat part (5), a foot rest (8) in itself known is provided, which can be affected and folded out by means of the position of the levers (7, 13).

Abstract: In a sewing machine with a needle bar executing transverse motions and with a pressing arrangement whose foot can be lowered onto the work piece laterally with regard to its central position when the needle bar executes lateral movements, the presser arrangement and its drive connection to the needle bar is executed so that a minimal moment of inertia is exerted on the needle bar when driving the pressure arrangement and so that the pressure foot always generates a load evenly spread over the pressed surface, independent of the width of its lateral movements. For this purpose the presser foot is movable in transverse direction relative to the other parts of the pressing arrangement and it is guided parallel to the work piece surface by a guiding arrangement. The transverse movement of the presser arrangement is taken from the transverse movement of the needle bar by a driving connection.

Abstract: An optical multiplexer is disclosed which comprises three waveguides, one for admitting or emitting light and two for receiving light. Each waveguide has an end face. One of the receiving waveguides has an optical layer on its end face which is disposed at an angle to the optical axis of that waveguide. The waveguides are juxtaposed so that their optical axes intersect substantially at the end face of the one receiving waveguide. The optical layer transmits part of the light into the one receiving waveguide. The remainder of the light is reflected into the other receiving waveguide. The intervening space at least partly bounded by the end faces of the waveguides have an index of refraction different from the waveguides themselves.

Abstract: An assembly and disassembly system for a spring of a brake actuation unit, in particular for rail vehicles including a fluid pressure cylinder and a piston slidable in the cylinder. A cylindrical nut member is provided having a tubular portion extending outwardly of the piston. An output head is connected to the tubular portion and includes an outer tubular portion extending towards the piston. A compression spring is provided disposed between the tubular portion of the cylindrical nut member and the outer tubular portion of the output head. A sleeve member is disposed between the spring and the outer tubular portion of the output head. This sleeve is provided with a slot which extends in an axial direction along the sleeve. The outer tubular portion includes an opening which may be aligned with the sleeve slot. A member such as a pin is provided which extends through the opening into the slot holding the sleeve and the outer tubular portion in a position engaged around the spring.

Abstract: A hydraulic jack, for lifting a heavy-weight structure such as a wing of an airplane, comprises a vertical primary cylinder, a ram vertically movably inserted in the primary cylinder, a lock nut threadedly mounted on an external thread of the ram, a first gear provided on the lock nut, a nut rotatably supported in a housing, a second gear provided on the nut and releasably meshing with the first gear of the lock nut, and a screw rod extending parallel to the ram and connected to the ram via a bracket. The screw rod has a second external thread and threadedly extends through the nut for vertical movement.

Abstract: A plurality of parallel layers of fibers are laid in two crossed directions on a disposable support mandrel, pins are temprorarily implanted in the mandrel (15) composed of foam material in regions of evolution of its shape and at points where it is desired to change the direction of the fiber, a continuous thread (33) is stretched out between the pins so as to form crossed superimposed layers, and a continuous fiber (50) is introduced by means of a needle (43) through the layers and forms successive open loops (53). The loops (53) are maintained by the elastic pressure exerted by the foam material and the gripping action of said layers. The fibers are impregnated with a binder and the binder is hardened and the mandrel is destroyed.

Abstract: A metering pump for discharging metered quantities of liquid and/or low viscosity materials, in particular pasty materials, on bottle-type or can-type containers has a bellows sealed between two coaxial housing parts of dimensionally stable plastic. The housing parts are telescopically movable relative to one another, and provided at each of its two ends with respective inlet and outlet pump valves. Each pump valve has an axially mobile closing element. On its discharge end, the bellows has an integrally molded annular valve seat face, provided with a passage orifice, for a spring-loaded closing element. A bellows seal includes an annular wall surface disposed against a pipe attachment which is integrally molded to a first housing part. The first housing part is provided with a discharge spout and is supported at its end face on an annular shoulder of the bellows.

Abstract: In a syringe for injections, especially intravenous --being realized so as to be used only once and comprising a body making up the cylinder to which the needle is fitted, a piston sliding in said cylinder and a piston handling member (stem) for recalling the piston during the liquid aspiration phase and for pushing the piston during the injection phase--said piston and said handling member (stem) are engaged with one another in a non-rigid way, in order to neutralize a further aspiration operation after a first phase of piston push has been carried out.

Abstract: Arrangement for supplying heat to the cooling fluid of a combustion engine, with a heating apparatus, which has a combustion chamber for gaseous or for liquid fuel, and with a heat exchange device, with which heat generated by the heating apparatus can be transferred to the cooling fluid. The heating apparatus is connected on the outside of the engine block of the combustion engine in such a way, that the heat transfer from the hot combustion gases from the combustion chamber to the cooling water or fluid takes place through the outer wall of the engine block.

Abstract: A suction holder for workpieces comprises a suction plate of flexible material which is open towards the workpiece on which it is to be placed. A connector extending away from the workpiece from the central part of the suction plate contains a suction duct opening into the suction chamber so that the latter may be connected with the vacuum line. There is a sensor plate adjacent to the suction plate with a spacing between them and there is also a free annular gap between them opening to the outside. On placing the holder on the workpiece the suction plate is deformed towards the sensor plate and rests against it. In the suction duct there is a check valve closing towards the suction chamber and loaded so as to be normally closed. The annular gap and the suction chamber are connected independently from the check valve via a sensor duct with the suction duct section over the check valve. The cross section of the two sensor ducts is smaller than that of the orifice part of the suction duct.

Abstract: A vehicle cover protector which protects most exposed parts of a motor vehicle from harsh climatic conditions including sun, rain, chemical fallout, pollution, dust, snow, sleet and hail. The cover is attached either within the vehicle or attached externally, mounted within a housing. A retractable cover covers the surface of the car. The cover may also be mounted over supporting members in order to provide additional protection from damage due to hail. The cover may be mounted upon two adjustable poles, which further provides for a sunshade available to persons or objects adjacent to the vehicle.

Abstract: A scroll-type fluid machine includes a stationary spiral element and a revolving spiral element having a substantially identical configuration and a central small chamber defined between abutting points of both the spiral elements a volume of which is adapted to be reduced to substantially zero with relative rotation of both the spiral elements. Basically, each of the both spiral elements is formed of an outer curve segment and an inner curve segment formed of involute curves and a connection inner curve expressed by a particular equation and a connection outer curve expressed by another particular equation formed between the outer and inner curve segment. The strength of the spiral elements can be enhanced or a delivery port having a large area can be provided.

Abstract: A device for positioning tentering frames into association with a workpiece which is being assembled along a transfer line which has a working station includes a movable guiding section which extends substantially perpendicular to the transfer line at the working station on each side of the transfer line at the working station on each side of the transfer line. The movable guiding section includes a sliding platform which is movable therealong on each side of the transfer line and which has a portion facing the assembly line with means for engaging respective tentering frames. At least two guide members or guidings are arranged on each side of the transfer line and in spaced relationship to each other so that they extend substantially parallel to the transfer line. Each guiding carries at least three tentering frames which are movable therealong into association with the platforms.

Abstract: A folded record medium for two to four different, segmentally arranged information portions is configured so that the interrelated segments of the information portions are easily accessible in a meaningful arrangement. According to the invention, this is achieved by the fact that the record medium comprises square sheets, which are joined together along a first fold line, and the connected pairs of sheets are joined together, stairway fashion in the unfolded state, along a second fold line, perpendicular to the first fold line and having the length of one side of a sheet.

Abstract: A traveling platform unit which is movable in the horizontal direction, for loading and unloading a printing paper on a roll stand. The roll stand has swivel arms and is part of a web-fed rotary printing press which uses the printing paper rolls. The traveling platform is equipped with lifting elements acting together in pairs, which permit aligning of the paper rolls with a paper roll bearing axle of the roll stand while allowing paper rolls of different diameters and widths to be brought for clamping between pairs of the swivel arms of the roll stand or to be removed from the swivel arms of the roll stand.

Abstract: A wristband for use with a wristwatch case comprising a first strap and a second strap. One end of each strap is preferably formed integral with the case. The first strap has a plurality of openings, one succeeding another along the length of the first strap. The second strap has a prolonged portion on an end opposite the end connected to the wristwatch case. The prolonged portion or band is intended to pass through one of the openings of the first strap to form a closed loop. A fastening construction is provided for connecting a free end of the prolonged portion which has passed through the opening 6 with a fastener associated with the second strap.

Abstract: The invention relates to a piston and cylinder unit whose piston rod is provided with a rack extending along it. The rack is in mesh with a ring of teeth (such as the teeth of a toothed belt or the teeth of a gear wheel) adapted to revolve about one axis (in the case of a gear wheel) or about at least two axes (in the case of a toothed belt). Such meshing engagement takes place in every position of the piston rod. When the piston rod is moved in the direction of its length the ring of teeth revolves about at least one axis and rotates a means for influencing the motion of the piston rod. Such means may for example be a liquid brake or a synchro transmitter connected with a NC unit controlling the supply of driving fluid to the piston and cylinder unit.

Abstract: A toner for developing electrostatic latent images which is characterized in that the toner comprises an aluminum compound of aromatic o-aminocarboxylic acid, the aromatic o-aminocarboxylic acid being represented by the formula ##STR1## wherein Q is benzene nucleus which is optionally substituted with at least one nuclear substituent or naphthalene nucleus which is optionally substituted with at least one nuclear substituent, R is hydrogen, alkyl (C.sub.1 -C.sub.18), aryl or nuclear substituted aryl (C.sub.6 -C.sub.18), aralkyl or nuclear substituted aralkyl (C.sub.7 -C.sub.18), or --COR', wherein R' is alkyl(C.sub.1 -C.sub.8), aryl(C.sub.6 -C.sub.8), alkoxy (C.sub.1 -C.sub.8) or amino.

Abstract: An internal combustion engine includes a fuel activation chamber disposed near a main combustion chamber and a valve disposed between the fuel activation chamber and the main combustion chamber to open and close therebetween. The valve is opened by movement of a valve body thereof to the fuel activation chamber. Further, there is provided a valve control device which controls to open and close the valve at the ignition timing in a low speed operation and controls to maintain the valve open in a medium and high speed operation.

Abstract: A miniature motor having a metallic case with a printed circuit board installed therein. The printed circuit board has an electronic circuit, mounted thereon, for controlling the miniature motor. A lug portion is provided protruding from the edge of an open end of the metallic case. An engaging portion is provided for engaging the lug portion with an earth terminal of the printed circuit board. The earth terminal and the lug portion are electrically joined by means of soldering in a state the printed circuit board is fitted to the metallic case in such a manner as to engage the lug portion with the engaging portion.