baber/WOPTO huggingface dataset:
Patent DE-4017098-A1 (DE)
Title: Digital subtractor for 59321 decimal code number - has input stage providing bi shifting for input to arithmetic stage
Inventor: MERKLE PAUL
IPC: G06F7/50
Filed: 1990-05-28
Abstract: A digital subtractor operates on decimal code numbers with the weighting 54321. The two numbers are received by an input circuit consisting of OR gates (2,3) inverters (4,5) and a 5 stage multiple AND gate circuit (25) that provides various bit shifts dependent upon the input. The shifted signals are fed to a binary full subtractor stage (24) coupled to an output logic unit to generate the coded 54321 difference value. ADVANTAGE - Simplified subtraction of decimal coded numbers.
Patent DE-4018856-A1 (DE)
Title: Battery terminal and switching device for mine locomotive - has counter-contacts of multipole battery plug connector in protective coupling casing
Inventor: FELCHNER DIETER DR
IPC: H01M50/262
Filed: 1990-06-13
Abstract: The locomotive batteries are explosion protected, not using a manual master switch. The countercontacts (3) of a multi-pole battery plug connector (2) on an exchange battery (1) are secured at a connecting box (4) with increased protection. The box, in turn, is secured to a pressure-tight encapsulated housing (5). Thus the poles of the battery plug connector contains corresponding number of very short and well protected coupling lines (6), connectable via bushings (7) directly to the terminals of a relay (8) in the pressure-tight housing for separating the consumer appliances. The relay action is monitored by an electronic control (10). USE/ADVANTAGE - For battery driven mine locomotives, with increased safety in simple arrangement.
Patent DE-4019859-A1 (DE)
Inventor: KACZYNSKI ULRICH
IPC: F16H19/02
Filed: 1990-06-22
Abstract: The description relates to a roller friction screw drive to convert a rotary into a linear movement in a movable machine part (2), especially a scanning table for microscopes, in which a rotatable drive shaft (10) with a smooth surface is arranged along the direction of movement of the machine part. At least one spring-loaded roller (4) is fitted on the shaft (10). The longitudinal axis (17) of the roller (4) intersects with the parallel-projected axis (16) of the drive shaft (10) at an angle of incidence (a). This angle (a) is characteristic of the multiplication of the drive.
Patent DE-4032017-A1 (DE)
Title: Roller drafting zone - has crossbar on frame to connect to roving stop motion
Inventor: PUETZ OLIVER DIPL PHYS
IPC: D01H13/18
Filed: 1990-10-09
Abstract: A roller drafting zone has a sliding bearing support for the bottom rollers, which is coupled to the roving stop mechanism. At least one crossbar is attached to the devices which operate the stop motion. The slide bar supports are pref. held in the side brackets for the series of drafting sets. The roving stop motion is attached to the extension arm, which slides the bottom roller, by means of an attachment partly surrounding the roller. The roller is moved in the support towards the second roller. This stops the draft on the roving. A cross bar is constructed with a hollow profile to avoid bending or twisting. It is box shaped. ADVANTAGE - It is not necessary to make difficult adjustments and the construction of the roving stop mechanism is simplified.
Patent DE-4033785-A1 (DE)
Title: Mitring saw unit - has rotary saw blade located on pivot arm beneath rotatable workpiece table
Inventor: LUTZ EUGEN
IPC: B23D45/06
Filed: 1990-10-24
Abstract: The sawblade (4) can move through a slot (5) in the locating surface (3a) of the workpiece table (3). The pivot axis (7) of the pivot arm (6) is adjustable inclinedly to the locating surface. The axis running along the cutting line between the sawblade plane and the locating surface is the central axis of a bearing bolt (20) which is half-located in the workpiece table. The pivot axis (7) of the pivot arm is located as close as possible to the bearing bolt in a bearing part pivotable around the bolt. This bearing part on the side of the bearing bolt turned away from the pivot axis (7) is provided with an adjuster (22,23) which is operable from the side of the workpiece table (7). USE - As a mitring saw.
Patent DE-4035399-A1 (DE)
Title: Controlling thermal printer drive - overlapping processes of head raising and-or lowering and thermal transfer medium coiling
Inventor: YOROZU HIDEKI
IPC: B41J23/04
Filed: 1990-11-07
Abstract: The method of controlling the drive of a thermal printer with head lifting and lowering and thermal transfer medium coiling mechanisms involves performing the printing using the transfer medium. The medium has coloured regions in a number of colours repeated along it. The processes of raising and/or lowering the head and of coiling the transfer medium are conducted in an overlapping manner. The coiling process is started after the start and before the end of the head raising process. ADVANTAGE - Enables intrinsic print speed of printer to be improved.
Patent DE-4035779-A1 (DE)
Title: Railway permanent way construction - involves synthetic woven material covering to hinder plant growth
IPC: E01B1/00
Filed: 1990-11-08
Abstract: The permanentway construction esp. has ballast as bedding material for rails, and a material, covering the ballast surface, to inhibit plant growth. The material may consist of synthetic film, and closemesh woven materials, e.g. those containing bitumen or tar. The materials may be deformed by heat radiation, and there are surface drainage devices in the track centre.
Patent DE-4100435-A1 (DE)
Title: Shutter blind slat mechanism - ensures stepless control of shutter blades or slats
Inventor: SCHWAB HELMUT
IPC: E06B7/08
Filed: 1991-01-09
Abstract: The progressive control system is for blinds with a number of separate adjustable slats. The shutter slats (4) are positioned on rotating joints (5) in vertical frame sections. The slats and their rotating connections are linkled by a common strip (7), which is operated by a control (11). The slats are thus opened and closed together. USE/ADVANTAGE - Slatted blind is infinitely adjustable between closed and opened positions. Mechanism sufficiently secure to resist wind pressure moving slats.
Patent DE-4101392-A1 (DE)
Title: Smoke-generating mortar shell - comprises casing, fuse, ejector charge, disintegrator, smoke generator and support structure for smoke screening of tanks
Inventor: KRONE HARTMUT DR
IPC: F42B30/08
Filed: 1991-01-18
Abstract: A mortar shell has (a) a casing (10); (b) a fuse (12a); (c) an ejector charge (12b); (d) a disintegrator (13); (e) a smoke generator (14) comprising a porous structure formed by compacting pellets and a granulate based on red phosphorus and enclosed in a can (10a); and (f) a support structure (15) for the smoke generator (14) and the can (10a), the structure having high strength in the axial direction of the shell but being easily disintegrated in the radial direction. USE/ADVANTAGE - The shell is useful for smoke screening tanks e.g. at 3000m. range. It has high accuracy at medium range and rapidly produces a long-lasting smoke screen.
Patent DE-4108310-A1 (DE)
Title: Knowledge base processing and expert system - stores indices representing certainty grade of casual relationship between occurrence and others relevant to it
Inventor: NIGAWARA SEIITSU
IPC: G06F9/44
Filed: 1991-03-14
Abstract: An expert system (5000) used to improve the operation of a process has a data base (5300) that provides a knowledge bank (5300) based upon the experience of an engineer (6200). The engineer's particular skills are quantified and the information entered into the data base. A user (6100) accesses the expert system via an interface (5100) that connects to a final processing unit (5200). A knowledge base processor (1000) is connected to the expert system to process historical information and has a processor (2000) that monitors the effectioness of the data by evaluating the output. A second processor (3000) generates knowledge data for the data base. ADVANTAGE - Refines knowledge base dependent upon results.
Patent DE-4110528-A1 (DE)
Inventor: ZAVISKA DALIBOR
IPC: B60T8/48
Filed: 1991-03-30
Abstract: Described is a brake system which is protected against blocking by virtue of the fact that, during a control operation, the brake line is closed off by a separating valve (4). The wheel brakes are connected to the induction side of a pump (7) via a return line (5). Located in the return line (5) is an escape valve (6). The output side of the pump is connected, via a pressure line (8), to a point on the brake line (2, 3) between the separating valve (4) and the brake. Located in the pressure line is a choke (9). Non-return valves (14) between the master cylinder (1) and the output side of the pump (7) make it possible, when hydraulic-fluid demand in the control loop is high, to supply fluid from the master cylinder (1) to the control loop.
Patent DE-4110559-A1 (DE)
Title: DC motor with armature e.g. for toy locomotive - has three-point armature with cylindrical casing of ferro-magnetic material arranged concentrically to runner axis and over toothed heads
Inventor: DILLER HANS
IPC: H02K1/24
Filed: 1991-03-30
Abstract: The armature (7) has in cross-section three arms (12) displaced through 120 degrees in relation to each other, each of which carries a winding (13). Each arm is terminated by a widened tooth head (14), the outer edging (15) of which is located on the cover surface of a cylinder concentric with the runner axis. The arms consist of individual plates fitted one behind the other, so that in the arms no eddy currents can be formed. On the armature, a ferro-magnetic casing (16), pref. of steel, is fitted in a press seat. The axis-parallel length of the casing is approximately identical to the length of the plate packet (12). The casing encloses the plate packet along its complete length. A deformation of the casing could cause it to lift away from the edging (15) of the toothed heads (14). ADVANTAGE - Operation of DC very small motor which at low voltage runs very smoothly.
Patent DE-4121784-A1 (DE)
Title: Carpet construction
Inventor: JANSSEN HERBERT
IPC: D03D27/10
Filed: 1991-07-01
Abstract: A carpet is woven on a loom with jacquard, having top and bottom weave with middle pile. Warp threads not raised in the pile are locked into the weave. Both in weft and warp, the weave is alternated between max. density and partial density. Pref. the carpet is produced with an even backing. Between top and bottom carpet is a pile of 25 mm. The alternate working of single and then double in both weft and warp is synchronised with a pattern rhythm, or a colour change. Care is taken to avoid open spaces by selecting a pattern where one gap is filled in the adjoining section, and there is always a pile thread. The  alternating system also applies to the shed openings for the top  and bottom weave.
Patent DE-4123926-A1 (DE)
Title: Arrangement for compacting foundry moulding sand - by means of pressure pulses using filling frame with guide plates to obtain compaction in areas between mould box wall and pattern
Inventor: KAESTNER HELLFRIED
IPC: B22C15/00
Filed: 1991-07-19
Abstract: Moulding sand is filled into a chamber consisting of a pattern plate, mould box and filling frame and connected with a pressure pulse transmitter. Guide plates are mounted within the filling frame at a distance from the inside of the frame of not less than 5% of the internal width of filling frame or mould box. The guide plates (5) are arranged all round the filling frame or only on single sides and at different distances. Guide plates extend the full depth of the filling frame (3) or extend into the mould box (2). USE/ADVANTAGE - Used in making foundry moulds and obtaining uniform compaction of moulding sand in the critical areas between pattern and mould box wall with a single pressure pulse acting on the whole moulding sand surface by guiding the movement of sand particles.
Patent DE-4127074-A1 (DE)
Title: Seal for drive shaft used in power unit esp. in chemical process plant - where assembly in contact with both flexible seals regulates pressure applied to sealing interface to maintain controlled flow of sealing aid medium
Inventor: BERTSCH ERICH
IPC: B01F15/00
Filed: 1991-08-16
Abstract: A drive shaft, used in association with a power unit working under pressure, has a washer rotating with the shaft and forming a seal in two directions, and against which a flexible seal, whose pressure may be regulated, rests on both faces. An assembly in contact with both flexible seals regulates the pressure applied to the sealing interface, such that a controlled flow is maintained of the sealing aid medium through the elastic sealing slot between the flexible seal and the sealed surface. USE/ADVANTAGE - The arrangement extends the life of the seal and is suited for use in a rotary pumps or mixers found in the chemicals processing industry.
Patent DE-4135934-A1 (DE)
IPC: A47F3/00
Filed: 1991-10-31
Abstract: A sales counter has a counter body and an upper structure which serves for fastening a rotatable or displaceable front pane and on whose upper edge at least one payment/article shelf is secured which is separate from the front pane. The payment/article shelf is adjustable in height and/or at least partially horizontally and has the same or a smaller width than the front pane.
Patent DE-4201619-A1 (DE)
Title: Arrangement for balancing rotating bodies, esp. grinding discs, - contains two independently adjustable balance wts. with independently switched drive motors
Inventor: MARX DIETER
IPC: G01M1/36
Filed: 1992-01-22
Abstract: The arrangement contains two annular balancing wts. (2) which can be continuously and randomly mutually independently adjusted in their relative positions. Independently switchable motors used to adjust the balance wts. are arranged in a common plane. The drive elements (4) and current supply elements (5), which can be slip rings or contactless types, are arranged in a plane with the balance wts. ADVANTAGE - The arrangement is of flat construction, contains only a few simple parts and is simple, uncomplicated and economical to manufacture and maintain.
Patent DE-4203242-A1 (DE)
Title: Push button switch for mounting on circuit board - has cap located on holder with guide for switch element operating against elastic element
Inventor: LEE MICHAEL
IPC: H01H13/70
Filed: 1992-02-05
Abstract: The push button switch suitable for use on circuit boards has a holder (1) in a ring shaped  opening (11), switching element (2), push button (3) and an elastic element (4). The holder has internal slots (12) formed that receive arms of the switching element. At the centre of the element is circular flange (22) that aligns with the centre of the elastic element. The switching element crosspiece (21) locates in a profiled hole (31) in the button. When moved axially the elastic element deforms to provide a soft contact with the board. ADVANTAGE - Ease of assembly. Silent in operation.
Patent DE-4203847-A1 (DE)
Title: Two-tier car transporter wagon - has roller beds on loading platforms, with full-width driven rollers which have jackets with high friction characteristics
Inventor: SCHAAR LOTHAR
IPC: B61D3/18
Filed: 1992-02-10
Abstract: During loading/unloading, the cars are moved over the whole train by outside propulsion systems. The loading platforms (3) of individual wagons (1) have roller beds (4) which project with flexible ends (14), into the transition areas (13) between two wagons. The rollers (5) in the beds extend across the max. track width (6), and are driven in the longitudinal wagon centre (8) via a chain drive (9). In the track area, the rollers have a jacket (7) with a surface structure, which has high friction characteristics. ADVANTAGE  - High security for cars, at low additional technical and energy expenditure.
Patent DE-4209506-A1 (DE)
Title: Friction lining for clutch disc with metal support plate - has coating of frictional material, with active surface
Inventor: THIRION DE BRIEL JACQUES
IPC: F16D13/64
Filed: 1992-03-24
Abstract: The friction lining (10) for a clutch disc contains a metal support-plate (12) coated with frictional material (14) of even thickness and possessing an active surface (16) on top of the surface (18) of the coated metal support plate. The metal support-plate's outer rim has a cavity in. The frictional material surface in contact with the metal support plate has at least one step the height of which equals the thickness of the support plate, and whose shape matches the corresponding part of the support-plate's periphery, to give a constant total thickness for the friction lining. ADVANTAGE - The support plate's surface coated with frictional material is smaller than the active surface of the layer of friction material, to prevent the friction lining deforming on heating up.
Patent DE-4221136-A1 (DE)
Title: Motor driven grinding machine with swivelling shaft conversion - has inclined drive shaft stub as sole coupler engaging guide slot of driven shaft
Inventor: SIEDLER ALBRECHT
IPC: B24B23/04
Filed: 1992-06-27
Abstract: The grinding machine drive shaft (7) is motor driven and has a stub (13), inclined w.r.t. its axis (8). The stub converts the drive shaft rotation into a swivel for a driven shaft (19), carrying a grinding dive (25). The stub forms a sole coupler which, at least partly, engages a guide slot (17) of the driven shaft. Pref. the stub is releasably inserted in the guide slot for operational connection. It is rotationally fixed on the drive shaft. It is supported by the guide slot side faces for carrying the driven shaft, while not transmitting any motion compartment parallel to the driven shaft axis (20). USE/ADVANTAGE - Simple, lightweight grinding machine with swivelling shaft conversion is reliable and cheap to mfr.
Patent DE-4222514-A1 (DE)
Title: Double gear train for printing machine - incorporates couplings between end gears of train to take up backlash
Inventor: HERRMANN JOACHIM
IPC: B41F13/012
Filed: 1992-07-09
Abstract: The system is designed to minimise the effects of backlash in a long train of gears esp. in a multicolour rotary printing machine. A first train of gears (1) is connected to a power source, and various gears (2,3,5,6,7,9,10) are rigidly connected to shafts (11,12,13,14,15,16,17) eg. for printing cylinders. There is a second gear train (23) identical to the first, with the gears (25,27,28,29,31) rotating freely on the printing cylinder shafts. The first (24) and the last (32) of the gears in this train are rigidly attached to their shafts and there are drive members (48,54) between the first and last pairs of gears to apply a torque to take up the backlash. USE/ADVANTAGE - Gear train for printing machine with system to reduce phase errors due to backlash.
Patent DE-4224586-A1 (DE)
Title: Capacitor recharging circuit with three current banks - has first bank supplied with constant current to provide capacitor charging current, with second bank representing control input
Inventor: WAEGNER HANS-JUERGEN DIPL ING
IPC: H03K4/06
Filed: 1992-07-22
Abstract: The recharging circuit has a current bank (T5-T8) extending to a transistor (T9) whose collector is connected to the collector of the current bank transistor (T8), the collector of a second transistor (T4) of a second current bank (T2-T4) and to the emitter of a second transistor (T13). The collector of the second transistor is connected to an operating voltage (Us). The base is connected to the reference voltage and to the base and collector of a third transistor (T14), whose emitter is connected to GND. The first current bank extends to a further transistor (T10) whose collector is connected to the base and collector of a first transistor (T11), third current bank (T11,T12) and to a control input (St). The collector of the second transistor (T12) is connected to the emitter of the first transistor (T9). The emitters of the third current bank transistors are connected to GND. ADVANTAGE - For constant discharge current of capacitor. Charging current can be altered to any whole numbered multiple. High precision setting of charging current.
Patent DE-4229237-A1 (DE)
Inventor: HERBER KARL-HEINZ
IPC: A43B3/00
Filed: 1992-09-02
Abstract: A clean air shoe having a shoe bottom adapted to the size of the foot, and with a peripheral seam edge whose upper end is sewn together with a legging by means of a seam. Below this seam there runs a second seam with which an upper is connected to the seam edge. In this manner a normal shoe, which is connected to a legging, is produced.
Patent DE-4230401-A1 (DE)
Title: Vibratory transport system - has elastic supporting members on housing protruding towards surface and inclined to feed direction
Inventor: RINNER LUDWIG
IPC: B62D57/00
Filed: 1992-09-11
Abstract: The transport and/or feed system comprises a housing and rotary eccentric weight generating vibration and coupled to a drive mechanism. The housing has supporting members protruding towards a supporting surface, and including with the feed direction an angle greater than 90 deg.. These distort elastically in a plane at right angles to this direction and also in this direction so as to increase the angle. The centrifugal force generated by the weight acts in this plane and also if desired at 30-90 deg. and pref. 75 deg. to the feed direction. The members can be of spring metal, or alternatively plastic such as polypropylene, polyethylene, polyamide, rubber, etc.. ADVANTAGE - Reliable opeation in horizontal or vertical direction, with small number of working parts.
Patent DE-4234780-A1 (DE)
Title: Folding box - produced from one-piece section with four sidewalls floor and lid and closed in a dust- and insect-tight manner
Inventor: SIEBRASSE KLAUS DIPL ING
IPC: B65D5/02
Filed: 1992-10-15
Abstract: Both the floor and the lid comprise flour closure tabs, which are connected to the side walls via fold edges, completely or partly overlapping, and glued to one another in the overlapping area. In each corner area (16), in which two closure tabs (6-9) cover one another, at least one of the tabs on the one hand up to their folding edge (10-13) and on the other hand up to their face edge (6a,8a) is provided with an adhesive application (14a,15a), which with the other adhesive application (14,15) springing back against the face edges (6a,8a) forms a closed surface. The adhesive application (14a,15a) in the corner area (16) comprises a sealed adhesive mass, e.g. silicon. USE/ADVANTAGE - As a folding packing box. The box is dust-tight and secure against insects and can be processed in raising and filling machines in a troublefree manner.
Patent DE-4236956-A1 (DE)
Title: Sales package with inherently rigid sides - is made of plastic, wood, cardboard, sheet metal or paste-board, and has slots or holes, connections for joining onto other packages
Inventor: KAPITZ CARL-HEINZ
IPC: B65D5/42
Filed: 1992-11-02
Abstract: The pack is assembled together with other differently shaped elements by means of connections (2) to form a modular system. The pack is square, disc shaped, or cylindrical, and can be folded up and re-assembled. The pack can be filled with ballast material and re-closed. The sides have a pattern or mark on part, and have a structure. At least part of the sides can be printed, painted or coated. The connections are pref. in the form of a hooked pile fasteners or adhesive strips and may be integrated in the sides. Slits or holes in the cardboard, plastics, wooden or sheet metal or pasteboard sides are for use for attaching elements. USE/ADVANTAGE - The pack has rigid sides and is disposable after use.
Patent DE-4238567-A1 (DE)
Inventor: KUHM PETER DR
IPC: C08K13/02
Filed: 1992-11-16
Abstract: The invention relates to the general field of stabilizers for polymers made from halogen-containing vinyl monomers and concerns stabilizer mixtures which, in addition to calcium and zinc soaps, contain garnet-class compounds which may also be surface-modified.