Abstract: A spring hinge for eyewear which enables the temples of eyeglasses to be opened beyond their regular position of use. The spring hinge having a one or two-piece locking element provided with a sliding element recess engageable with a sliding element and a snap-in pin recess engageable with a snap-in pin. A spring biases the snap-in pin into a stepped recess and thereby automatically locks the spring hinge.

Abstract: A discharge apparatus provided as a single spray has in the interior of the discharge connection as an evaporation barrier for the medium a rotary closure, which can be opened and closed by a mutual rotation of the casing and the head or the body and the medium reservoir. For this purpose a shaft part in the form of a filler is formed from two longitudinally, interconnected bar parts, which rotatably engage in one another and form closure parts of the closure located within a cover sleeve. This allows very long storage times of the filled discharge apparatus.

Abstract: The invention concerns an internal-combustion engine with fuel injection, in particular a single-cylinder diesel engine, in which the fuel-injection pump (3) is connected to the fuel pressure line (23) by a constant-pressure valve assembly comprising a feed valve (28) and a pressure-relief valve (29) mounted with its direction of flow opposite to the feed direction. Both valves (28, 29) are fitted next to each other and off the cylinder axis in a separate valve housing located directly on top of the pump cylinder (5).

Abstract: A method for installing a permanent railroad track, for which the concrete railroad ties, carrying the tracks, are lined up positionally in a concrete trough and embedded in a casting compound with embedment in longitudinal reinforcements, in that, to begin with, the tracks with the railroad ties are pre-assembled into a track lattice, which is lined up with the upper edge of the rails and subsequently cast, 2-block concrete railroad ties with two reinforced individual blocks being used, the reinforcement comprising essentially structural steel rods, which run essentially parallel to the axis of the railroad ties, are connected by axially spaced-apart shackles into a reinforcing cage and extend continuously as connecting rods through both individual blocks, at least some protruding beyond the outer end surfaces of the individual blocks and the longitudinal reinforcements, which were previously placed loosely in the concrete trough, being raised and connected with the connecting rods and with the ends of the s

Abstract: A retaining device for fastening an appliance insert in a base panel, such as a sink in a kitchen work surface. The device has a retaining clamp that can be fixed in an opening in the work surface, and a retaining web connected to the sink that can be introduced into the retaining clamp from above and anchored in place. The retaining clamp includes an elongated retaining leg and two elastically resilient clamping legs integrally formed, in a U-shaped manner, on the ends of the retaining leg. The retaining leg can be firmly fixed in a predetermined position on the side edges of the opening while the clamping legs have latching teeth oriented towards the retaining leg and into which the retaining web can be latched, by a latching web directed towards the latching teeth, after being pressed into the retaining clamp.

Abstract: An apparatus for controlling the operation of a revolving door, in which an electric motor provides an assistance mode which supplies assistance so that the manual force applied by a person to a panel of the revolving door is reduced by a .DELTA.v, and thus the person using the door need only apply a slight additional force.

Abstract: For emptying a film tube 15 containing a flowable substance, the front end f the tube is provided with a ring 17 the peripheral portion 19 of which exceeds the inner diameter of a cartridge 1 which receives the tube 15. The ring 17 has a conical sealing surface 20 which cooperates with a sealing edge 12 formed inside the cap 2. In operation, the cylindrical rear portion 7 of the cap 2 is slid onto a front portion 4 of the cartridge 1, whereby the ring 17 provided on the tube 15 has its sealing surface 20 centered and aligned in the radial and axial directions to ensure proper engagement between the sealing edge 12 and the sealing surface 20.

Abstract: The screen conveyor for root crop harvesters comprises an endless screen belt conveyor, which consists of at least two conveyor belts and transverse conveying rods fastened to the conveyor belts and rotates about deflection rollers, which are rotatably mounted in a housing and of which at least one group can be driven by a driving mechanism by coaxially disposed deflection rollers. For this purpose, at least one adjuster is provided, which can be shifted into position against the working half of the screen conveyor belt and specifies a changing course for the working half of the conveyor belt by forming a step.

Abstract: A connection between a support, specifically a part of a motor vehicle body, and a plate element, specifically a door panelling, comprises an upper part attachable to the plate element via an attachment zone and a contact zone for a holding piece, which is joinable with the support. The contact zone of the upper part comprises two pockets arranged one above the other and separated by a cross-piece. The holding piece is equipped above the attachment zone with two flanges having differing elasticity arranged at an axial distance cross-wise to the longitudinal direction. The flanges are insertable into the pockets of the upper part.

Abstract: A hydrodynamic brake includes a housing adapted to be filled with a working fluid and to discharge the fluid, a rotor having a plurality of blades, and a stator having a plurality of blades. The number of rotor blades is about 1.2 times to about 1.5 times greater than the number of stator blades.

Abstract: An improved power supply for converting any of various standard national AC network voltages to low-voltage DC power suitable for driving a 1 or 2-watt device, such as a fan, features a semiconductor control circuit (18, FET 46) which chops each half-wave of a rectified voltage and uses the low-voltage portions to feed charging current pulses to a storage capacitor. The voltage on the capacitor (14) is used by other portions of the circuit to regulate rotation speed of the fan or other consuming device (40) to a value set on a variable resistor. The use of the low-voltage portions of the input signal reduces power losses and increases efficiency.

Abstract: A machine for working the butt weld seam of a band belt, preferably having a toothed edge, includes various stations disposed successively along a feed path. The stations are a milling device, a grinding device, two ridge milling devices and a band advance device. In the milling device the welding beads are milled off on both broad sides of the band belt to form flat bases which are subsequently surface-ground in the grinding device. The succeeding milling device removes the ridge on the back of the band belt and the other milling device removes the ridge in the toothed space. The milling device for the toothed edge comprises a sensing element which is guided along a tooth of a template corresponding to the tooth space contour or another tooth space of the same band belt.

Abstract: A door closing mechanism for a two-panel door having a leading panel and a trailing panel disposed adjacent to one another and being hingedly connected to a door frame. The door closing mechanism controls the closing sequence of a leading panel and a trailing panel, such that a trailing panel is locked in an open position prior to the closing of a leading panel. A locking mechanism, for locking and unlocking the trailing panel, includes a pivoting member which interacts, inter alia, with a sliding block and release member, for pivotally locking and unlocking a locking device. This locking mechanism pivots the pivoting lever into a locking position for preventing the closure of a trailing panel in advance of a leading panel upon a leading panel moving from a closed position to an open position. This locking mechanism can also pivot the pivoting lever into an unlocking position for permitting positioning of a trailing panel into a closed position upon a leading panel being in a closed position.

Abstract: Described are monofilaments with a core-sheath structure comprising a core of a thermoplastic polyester or copolyester and a sheath comprising a thermoplastic polyester, wherein the polyester or copolyester of the core has a melting point of 165.degree. to 290.degree. C., preferably of 220.degree. to 240.degree. C., and includes at least 70 mol %, based on the totality of all polyester structural units, of structural units derived from aromatic dicarboxylic acids and from aliphatic diols, and not more than 30 mol %, based on the totality of all polyester structural units, of dicarboxylic acid units which differ from the aromatic dicarboxylic acid units which form the predominant portion of the dicarboxylic acid units, and diol units derived from aliphatic diols and which differ from the diol units which form the predominant portion of the diol units, and the sheath comprises a polyester mixture comprising a thermoplastic polyester whose melting point is between 165.degree. and 240.degree. C., preferably 220.

Abstract: A transport anchor for transporting a heavy part, which anchor is embedded in the heavy part, includes a sleeve having an inner thread for receiving a load bearing member. The sleeve has a first section with an exterior end face positioned flush with the exterior surface of the heavy part. The sleeve has a second section with a receiving member for an anchoring element of the heavy part. A first plug with an outer thread is threaded into the inner thread of the sleeve and is moveable along the inner thread. The first plug has a plug end face facing outwardly relative to the heavy part. The load bearing member can frictionally engage the plug end face of the first plug. The load bearing member has a base body with an outer thread for cooperation with the inner thread of the sleeve.

Abstract: A long-timber chipping machine has a timber feed channel for receiving longitudinally arranged timbers, advanced using a timber-advancing device to a vertically movable chipping device positioned at the downstream end of the feed channel. The chipping device has a rotatable cutter ring equipped with chipping cutters on its cylindrical inner wall, which defines a chipping chamber. The chamber is aligned with the downstream end of the feed channel. To improve the chipping, a curved timber-receiving plate projects into the chipping chamber from the downstream end of the feed channel, which also has a matching curved base. The curvature of the plate and the base match the curvature of upper cylindrical inner wall of the cutter ring so that the upper cylindrical inner wall can be lowered closely to the plate, leaving only a very small clearance and exposing all of the timbers to the chipping cutters.

Abstract: A mining machine especially for seam mining as in the mining of coal has a sensor for incipient sag of the plow pass of the continuously driven endless chain and a computer to which the sensor is connected and which controls the conveyor drive at the upstream end of the plow pass and the downstream end of a conveyor pass to reduce the speed of this drive until the plow pass is retensioned and any sag is accumulated at the conveyor pass. This arrangement eliminates problems with dislocation of the mining plow or of the conveyor flights as they are guided by guide devices onto the plow trough at the upstream end of the plow pass.