baber/WOPTO huggingface dataset:
Patent RU-2026912-C1 (RU)
Title: Device for grinding fibrous materials
Inventor: VERETNOV ANATOLIJ K
IPC: D21D1/34
Filed: 1992-02-11
Granted: 1995-01-20
Abstract: FIELD: mechanical processing of fibrous materials. SUBSTANCE: device has case 1, nozzles 2 disposed inside the case and resonators mounted in cantilever. The resonators are made in form of plates 3 with the same resistances. Device also has fixing elements. Part of plate-resonator adjoining to restrain area increases the total length by 10-15 mm and is made with increased thickness which is equal or larger than normal thickness part by two times as many. There is a smooth transition to deformed part of the plate. EFFECT: improved precision; improved efficiency. 1 dwg
Patent RU-2031418-C1 (RU)
Title: Method of testing electrodynamic geophones
Inventor: MYSH ARON G
IPC: G01V13/00
Filed: 1992-02-11
Granted: 1995-03-20
Abstract: FIELD: seismometry. SUBSTANCE: geophones are excited by stage of direct current with amplitude i, supply is disconnected, at least two values of amplitude of oscillations E are measured across output of geophone within limits of first moment of cutting off current of unidimensional oscillation. This of achievement of values of amplitudes are measured simultaneously and values of phase parameter for modes of periodic and aperiodic oscillations are found by specified formulas. EFFECT: improved authenticity of testing. 2 cl, 5 dwg, 1 tbl
Patent RU-2028854-C1 (RU)
Title: Method of making hollow articles with holes
Inventor: SIZEV ANATOLIJ N
IPC: B21D28/28
Filed: 1992-01-16
Granted: 1995-02-20
Abstract: FIELD: plastic metal working. SUBSTANCE: blind holes are riddled in a hollow blank with simultaneous plastic deformation in the radial direction. Then the material layer between the hole bottoms and the blank surface is removed. EFFECT: enhanced efficiency. 6 dwg
Patent RU-2046064-C1 (RU)
Title: Anti-g device for flying vehicle crew member
Inventor: GUZIJ ANATOLIJ GRIGOREVICH
IPC: B64D10/00
Filed: 1992-03-20
Granted: 1995-10-20
Abstract: FIELD: protective pilot's equipment. SUBSTANCE: anti-g device for flying vehicle crew member has anti-g suit, automatic pressure control, air filter, positive longitudinal g-load onset rate sensor, low frequency filter, adder, lateral positive g-load sensor and CHECK button. EFFECT: enhanced reliability. 2 cl, 3 dwg
Patent RU-2025836-C1 (RU)
Inventor: GOLDSHTEJN ABRAM I
IPC: H01M10/48
Filed: 1992-03-27
Granted: 1994-12-30
Abstract: Использование: в контрольно-диагностической аппаратуре для оперативного контроля аккумуляторных батарей (АБ), например, на транспортных средствах. Сущность изобретения: в составе устройства предусмотрены конденсатор и дроссель, подключенные к входным клеммам прибора посредством коммутационного элемента, а также вольтметр с диодом, шунтирующие цепочку из последовательно включенных дросселя и коммутационного элемента. Заряжают конденсатор от АБ через дроссель. По окончании процесса заряда вольтметр показывает разницу напряжений конденсатора и АБ, которая зависит от внутреннего сопротивления батареи. Отбраковывают батареи при условии показаний вольтметра меньше величины ранее установленного допускного значения. 3 ил.
Patent RU-2064501-C1 (RU)
Inventor: MARKUSHEVA TATYANA V
IPC: C02F3/34
Filed: 1991-08-02
Granted: 1996-07-27
Abstract: FIELD: genetic engineering, biotechnology. SUBSTANCE: invention relates to recombinant strain of E. coli HB 101 pMK 16 and recombinant plasmid pMK 16 determining degradation of herbicide 2,4-dichlorophenoxyacetic acid of this strain. Recombinant plasmid DNA pMK 16 is obtained by cloning DNA fragments of strain Bacillus subtilis BKM B-1742D into vector pBR 322. Strain E. coli is infected with obtained recombinant DNA which acquires capability to carry out biodegradation of 2,4-dichlorophenoxyacetic acid. EFFECT: strain of bacterium indicated above. 4 cl, 1 dwg, 1 tbl
Patent RU-2032186-C1 (RU)
Inventor: MAKURENKOV ALEKSANDR F
IPC: G01S13/93
Filed: 1992-01-10
Granted: 1995-03-27
Abstract: FIELD: warning systems. SUBSTANCE: invention is aimed at avoidance of collisions of vehicles. Method of selection of signals from objects closing in on vehicle lies in that direction finder forms bearing of dangerous closing in. Signals from objects outside of zone are suppressed. Sign of derivative of envelope of bearing signal is used for elimination of ambiguity of bearing characteristic within limits of main beam of direction finder and only signals from dangerous objects are left. Device for realization of method has monopulse direction finder 1, former 2 of boundary values of bearing signal for each range, unit 3 of comparison and suppression, unit 4 of calculation of derivative and derivative sign of envelope of bearing signal and selector 5 of bearing signals. EFFECT: improved reliability of method. 2 cl, 2 dwg
Patent RU-2024568-C1 (RU)
Inventor: POLYAKOV LEONID M
IPC: C09K3/10
Filed: 1992-03-13
Granted: 1994-12-15
Abstract: Использование: для герметизации стыков стеклянных ограждений теплиц и оранжерей. Сущность изобретения: композиция содержит, мас.%: карбамидомеламиноформальдегидная смола 23,8 - 28,2, тонкомолотый песок 7,8 - 11,8, высокодисперсный портландцемент с удельной поверхностью 5300 см 2 /г 28,2 - 32,2, резиновая крошка с размером частиц до 0,3 мм 7,1 - 9,1, латекс синтетического каучука 23,8 - 28,2. Композиция обладает повышенной адгезией, эластичностью, пониженным водопоглощением. 2 табл.
Patent RU-2041360-C1 (RU)
Title: Rotary engine
Inventor: VLADIMIROV PORFIRIJ SERGEEVICH
IPC: F01C1/10
Filed: 1992-04-29
Granted: 1995-08-09
Abstract: FIELD: surface, water and air transport. SUBSTANCE: arranged in housing are drive and driven rotors inserted one in other; rotors are engageable through internal engagement, the difference in teeth numbers is one tooth. Made in housing opposite chambers of maximum working volume at beginning of compression duct are high-pressure intake and exhaust ports which are connected with heater inlet. Made at beginning of expansion duct are high-pressure intake ports which are connected with heater outlet. EFFECT: enhanced efficiency. 19 cl, 6 dwg
Patent RU-2028102-C1 (RU)
Title: Method of suturing duodenum stump
Inventor: TARANOV IVAN I
IPC: A61B17/04
Filed: 1992-05-07
Granted: 1995-02-09
Abstract: FIELD: medicine. SUBSTANCE: this method prescribes transsecting intestine, withdrawing ulcerous portion from intestine, incising intestine 1 to 2 cm above lower edge of ulcer, suturing posterior wall through lower ulcerous portion when applying first row of sutures, puncturing lower edge of ulcerous portion towards mucous membrane and anterior wall of intestine and anterior wall of intestine along cut-off edge, making puncture via submucous layer towards serous membrane at distance of 1 cm from edge, closing up ulcerous portion and first row of sutures by strand of greater omentum having width not less than diameter of ulcerous portion based on pedicle, applying second row of sutures to portion disposed above strand of greater omentum, subserously suturing anterior wall of duodenal stump stepping aside by 1.0 to 1.5 cm from first row of sutures and upper edge of ulcer-affected portion, and then suturing anterior wall of duodenal stump to pancreas capsule by applying third row of sutures to restore continuity of peritoneum. EFFECT: promising results. 6 dwg
Patent RU-2055578-C1 (RU)
Inventor: MELNIK ELENA ANDREEVNA
IPC: A61K8/92
Filed: 1992-03-24
Granted: 1996-03-10
Abstract: FIELD: hygiene. SUBSTANCE: agent has additionally oily preparation of sea-buckthorn fruit waste and pink rosewort infusion at the following ratio of components, wt.-%: surface-active substances 14-20; glycerol 1-4; citric, tartaric, ortho-phosphoric (thermic) or salicylic acid 0.01-0.5; infusion of pink rosewort biomass 0.1-2.0; fir oil 0.1-0.7; oily preparation of sea-buckthorn fruit waste 0.1-0.3; formalin 0.07-0.3; perfume 0.1-1.0; sodium chloride 1-3; dye 0.0005-0.01, and water - the rest. EFFECT: accelerated process of skin lipid recovery, decreased defatting action of agent. 2 tbl
Patent RU-2047653-C1 (RU)
Title: Lubricant grease
Inventor: VDOVICHENKO PETR N
IPC: C10N30/06
Filed: 1992-06-11
Granted: 1995-11-10
Abstract: FIELD: lubricant materials. SUBSTANCE: lubricant has, lithium-potassium soap of stearic acid, castor oil acids and colophony 20-27; phenyl-β-naphthylamine or condensation product of 2,6-tert. -butylphenol and alkylphenols with formaldehyde and ammonia treated with boric acid 0.5-2; zinc dialkyldithiophosphate 0.5-1.5; polytetrafluoroethylene 1.5-3.0, and petroleum oil the rest. Lubricant grease is used for machine and device friction units working at the temperature range from -40 to +120 C. EFFECT: enhanced quality of grease. 2 tbl
Patent RU-2068174-C1 (RU)
Title: Method of determination of level of liquid and device for its implementation
Inventor: KRASNOV IVAN A
IPC: G01F23/24
Filed: 1992-06-18
Granted: 1996-10-20
Abstract: FIELD: measurement technology. SUBSTANCE: electrodes connected to three-phase power supply source are dipped into tested medium and value of current flowing through electrodes is found. Resistance of first electrode is changed K times as compared with resistances of second and third electrodes which are fabricated identical. In agreement with first version value of change of resistance R f , of first electrode with which summary current flowing through electrodes when they are connected to three-phase power supply source by star-to-star circuit with zero wire is equal to zero is determined. In compliance with second version value of change of resistance R f  is found with which difference of potentials between zero points of three-phase power supply source and "star" of electrodes when they are connected by star-to-star circuit without zero wire. Level of liquid l x  is found by formula l x , where 1 is length of electrodes; S is area of cross-section of electrodes; ρ is specific resistance of electrodes. Device for implementation of method is described in formula of invention. EFFECT: enhanced authenticity of method and reliability of device. 3 cl, 11 dwg
Patent RU-2104040-C1 (RU)
Inventor: AFINOGENOV G E
IPC: A61L27/12
Filed: 1992-04-23
Granted: 1998-02-10
Abstract: FIELD: medicine, traumatology. SUBSTANCE: osseous implant consists of biodevitrified glass of the following composition, wt.-%: $$$, 37.2-39.3; $$$, 12.9-15.5; CaO, 34.0-18.8; MgO , 3.0-12.5; $$$, 0.05-0.6; $$$, 6.2-9.6; and ZnO, 6.65-3.7. Osseous implant mimics cortical, spongioseous and combined bone layers. For this purpose form-masses of the following composition were prepared, wt.-%: cortical layer: biodevitrified glass, 67-71; paraffin, 15-12; n-octane, 18-17; spongioseous layer: biodevitrified glass, 50-61; glycerol, 25-32; flacarbin, 14-18; iron and manganese succinate, oxalate, 0.1-0.2% above 100%; combined layer is obtained by mixing cortical and spongioseous layers followed by burning out organic substance and caking. EFFECT: improved method of preparing. 2 cl
Patent RU-2030379-C1 (RU)
Title: Method for cleaning khladons of ethane series from halogen derivatives of ethylene
Inventor: BARABANOV VALERIJ G
IPC: C07C17/38
Filed: 1992-08-07
Granted: 1995-03-10
Abstract: FIELD: organic chemistry. SUBSTANCE: method involves passing the above products (or mixtures thereof) through immobile layer of carbonaceous sorbent with a limiting volume of sorption space of 0,5-0,9 cm 3 /g in a gaseous or liquid phase at a temperature higher than the crystallization temperature of khladon but not exceeding 323 K. EFFECT: higher efficiency. 1 tbl
Patent RU-2056588-C1 (RU)
Inventor: LIPETS ADOLF U
IPC: F23J15/00
Filed: 1992-08-11
Granted: 1996-03-20
Abstract: Использование утилизация тепла уходящих газов и их очистка. Сущность изобретения: установка содержит котел, секции многоходового трубчатого воздухоподогревателя, рекуперативный газогазовый теплообменник, электрофильтр-золоуловитель, устройство для очистки газов от оксидов серы. Газогазовый теплообменник включен по нагреваемой среде в снабженный рециркуляционным дымососом контур рециркуляции уходящих газов, выход которого подключен к газоходу перед дымососом. Часть охлажденных дымовых газов после очистки их от серы поступает в контур рециркуляции, куда одновременно по воздуховоду поступает горячий избыточный воздух. Подсушенные этим воздухом газы нагреваются в рекуперативном газогазовом теплообменнике и поступают на вход дымососа вместе с остальной частью газов и подогретые через дымовую трубу выбрасываются в атмосферу. 2 з. п. ф-лы, 1 ил.
Patent RU-2066868-C1 (RU)
Title: Device to test reactive objects with increased voltage
Inventor: BEREZHANSKIJ VIKTOR B
IPC: G01R31/62
Filed: 1992-08-26
Granted: 1996-09-20
Abstract: FIELD: electrical engineering. SUBSTANCE: invention refers to testing of high-voltage insulation of electrical equipment. Device includes trusting step-up transformer, audio generator connected to unit of amplifiers which outputs are linked to low-voltage winding of testing step-up transformer, reactive element placed in parallel to winding. Circuit of high-voltage winding of testing step-up transformer is inserted with high-voltage element equal by measurement frequency placed in parallel to tested reactive element. EFFECT: enhanced efficiency of testing. 1 dwg
Patent RU-2051606-C1 (RU)
Inventor: ZASLAVSKIJ ROMAN ZELIKOVICH
IPC: A47G19/22
Filed: 1992-08-19
Granted: 1996-01-10
Abstract: FIELD: food industry. SUBSTANCE: container has a circular body with a throat and stopper with a hole, a hose one end of which communicates with the body through the hole in the stopper, and an additional stopper with a cone-shaped upper part for fitting the free end of the hose. EFFECT: improved design. 2 dwg
Patent RU-2064793-C1 (RU)
Title: Stress-protective agent showing antiamnestic, antihypoxic, anxiolytic and anti-shock-producing actions
Inventor: KOMISSAROV IGOR VASILEVICH
IPC: A61K31/44
Filed: 1992-03-31
Granted: 1996-08-10
Abstract: FIELD: medicine, pharmacology. SUBSTANCE: 1-methyl-3,4-(Δ-2,2-dimethyl-4-oxo- tetrahydrobenzo)-indolo-[2,3-c]-pyridine hydrochloride is proposed as stress-protective agent showing antiamnestic, antihypoxic, anxiolytic and anti-shock-producing actions. EFFECT: enhanced effectiveness of agent. 4 tbl
Patent RU-2067272-C1 (RU)
Title: Разгрузочный узел обжиговой конвейерной машины без холостой ветви
Inventor: EFIMOV SERGEJ PAVLOVICH
IPC: F27B21/12
Filed: 1992-10-06
Granted: 1996-09-27
Abstract: Использование: в металлургии, в обжиговых и агломерационных машинах. Сущность: разгрузочный узел обжиговой конвейерной машины, без холостой ветви, включающий грохот и направляющие, обеспечивающие перестановку тележек с ветви на ветвь в рабочем положении, дополнительно оснащен направляющими - основными и подхватывающими, ориентированными в вертикальном направлении в виде двухзаходной спирали с заданными - 90 и 120 градусов - углами поворота и размещенными на внутренней поверхности вертикальных стоек, соединенных в торцах бандажами. 2 з.п.ф-лы, 8 ил.
Patent RU-2042698-C1 (RU)
Inventor: BARABANOVA ANNA I
IPC: C09K8/24
Filed: 1992-07-07
Granted: 1995-08-27
Abstract: Использование: бурение нефтяных и газовых скважин, для приготовления буровых растворов с малым содержанием твердой фазы. Сущность: буровой раствор содержит глину, карбоксиметилцеллюлозу, полимерный флокулянт и воду. В качестве полимерного флокулянта используют сополимер акриламида и винилсульфоната натрия или сополимер акриламида и 2-акриламидо-2-метилпропан-3-сульфоната натрия с характеристической вязкостью не менее 6,2 дл/г. Сополимер содержит 70 99,6 мол. акриламида и 0,4 30 мол. винилсульфоната или 2-акриламидо-2-метилпропан-3-сульфоната натрия. Сополимер получают полимеризацией в водном щелочном растворе при рН менее 11,0 в присутствии пероксидных инициаторов и при нагревании при общей концентрации сомономеров от 3,5 до 4,0 моль/л. Сополимер используют в количестве от 0,15 до 0,75% от массы бурового раствора. 2 табл.
Patent RU-2047717-C1 (RU)
Title: Construction for protecting people in accidents
Inventor: STRIGO GENADIJ SEMENOVICH
IPC: E04H9/06
Filed: 1992-04-20
Granted: 1995-11-10
Abstract: FIELD: civil engineering. SUBSTANCE: construction represents a block of assembled members of walls, floor and base. All the members are made in the form multi-layer reinforced concrete shell. Cavities are shifted in a member of the block relative to one another. Sizes of the cavities are chosen on condition that objects impacting the block are failed to penetrate. Internal surfaces of the block are provided with damping members, for instance, cloth of elastic material covered with soft material. Windows and doors of the block have double strength and damping walls. EFFECT: emergency provisions. 3 cl, 1 dwg
Patent DE-10015352-C1 (DE)
Title: Oil-cooled piston for light-weight i.c. engine, e.g. for light aircraft, has closed cooling space defined between piston base, piston crown and welded piston lower part fitted with base plate
Inventor: RONG PETER
IPC: F02F3/18
Filed: 2000-03-28
Granted: 2001-07-19
Abstract: The piston has a piston crown (1) and a piston lower part (11), closed by a base plate (20), which are welded together around the piston periphery for providing a closed cooling space. The piston base (2) is supported from the piston rod bearing within the piston lower part via internal support struts (7,8) and provided with cooling ribs (16), the U-shaped carrier bridge (14) providing the piston rod bearing enclosed by cooling pockets within the piston lower part.
Patent DE-10031152-C1 (DE)
Title: Link connecting electrical components, includes lever held by sliding catch engaging undercut recess, preventing relative motion between components
Inventor: HILLEBRAND DIETMAR
IPC: F16B5/00
Filed: 2000-06-27
Granted: 2001-10-04
Abstract: When the two components (13, 14) are connected together, the lever (10) is held in position by a bolt or sliding catch (20), which engages an undercut recess (36). Relative motion of the components transversely with respect to the lever (10) is then prevented.
Patent DE-10101363-C1 (DE)
Title: Parksperrenbetätigungseinrichtung für eine Parksperrenvorrichtung eines Kraftfahrzeuges
Inventor: OPPITZ HORST
IPC: F16D63/00
Filed: 2001-01-13
Granted: 2002-10-02
Abstract: Die Erfindung betrifft eine Parksperrenbetätigung für eine Parksperrenvorrichtung eines Kraftfahrzeuges, umfassend eine Drehhebeleinrichtung, die mit einer Kompensationseinrichtung, die einen Leerweg und ein Rückstellelement bereitstellt, zur Ansteuerung der Drehhebeleinrichtung in Wirkverbindung steht, wobei die Drehhebeleinrichtung den Eingriff eines Sperrgliedes mit einem Gegensperrglied der Parksperrenvorrichtung ansteuert, wobei die Drehhebeleinrichtung ein Drehhebeleingangsteil und ein Drehhebelausgangsteil aufweist, und wobei der Leerweg der Kompensationseinrichtung in Wirkverbindung zwischen dem Drehhebeleingangsteil und dem Drehhebelausgangsteil ausgeführt werden kann.
Patent DE-10108327-C1 (DE)
Title: Decoration machine for tiles, porcelain or cement products, had control on charging slide of press for raising and lowering application roller.
Inventor: BRAUN HARRY
IPC: B28B13/02
Filed: 2001-02-21
Granted: 2002-09-05
Abstract: The device has a control on the charging slide (3) of the press for raising and lowering application roller (1).
Patent DE-10113342-C1 (DE)
Title: Belt fixing device for belt rolling-up shaft has belt pin fitted in shaft body recess so that its slot opens towards outer circumference of shaft body
Inventor: LAUN ULRICH
IPC: B60R22/34
Filed: 2001-03-20
Granted: 2002-06-13
Abstract: The fixing device includes a belt pin (14) which is fitted in the recess (17) of the shaft body (11) so that its slot (15) opens towards the outer circumference of the shaft body. The belt (13), after going round the belt pin to form a double layer in the vicinity of the recess, is led further into the shaft slot (12).
Patent DE-10148574-C1 (DE)
Title: Concrete shaft ring manufacturing method has equalization or sealing element lowered into concrete at end of shaft ring during limited pivot movement in alternating directions
IPC: B28B21/14
Filed: 2001-10-01
Granted: 2003-02-13
Abstract: The manufacuring method has an equalization or sealing element (5) for the end of the shaft ring (4) fixed to an upper cuff (2) of a shaft ring formation device (1), used for formation of the shaft ring end, so that it is held above the latter and lowered into the concrete at the shaft ring end, during alternating pivot movement through a given pivot axis relative to the longitidunal axis (4a) of the shaft ring.  An Independent claim for a device for manufacture of concrete shaft rings is also included.
Patent DE-10154048-C1 (DE)
Title: Work platform for coal extraction machine has sectional platform surface supported by lever arms for pivoting into working position
Inventor: GRELL HERMANN
IPC: E21D11/40
Filed: 2001-11-02
Granted: 2003-02-13
Abstract: The work platform (1) has a platform surface provided by 3 platform sections (20,21,22) releasably coupled together and supported by lever arms (11,16), allowing the work platform to pivot relative to a pair of rotary masts (10) between a rest position and a working position, e.g. under control of hydraulic cylinders.
Patent DE-10218468-C1 (DE)
Title: Workpiece clamp for mill drill has U-shaped housing with hollow pillars and base plates defining cavity
Inventor: GLEICH PETER
IPC: B23Q3/10
Filed: 2002-04-25
Granted: 2003-06-26
Abstract: The workpiece clamp for a mill drill has the clamping wall of the clamp housing formed as a U-shaped hollow body with parallel hollow pillars (13) and a peripheral fixed clamping surface plate (4) to enclose three sides of a cavity. The hollow pillars are longitudinally split spaced pipe halves with a polygonal cross section.
Patent DE-10221992-C1 (DE)
Title: Verfahren zum Testen der Funktion eines in oder an einem Antriebsaggregat vorgesehenen Temperatursensors
Inventor: HOMMES GEORG
IPC: G01K15/00
Filed: 2002-05-17
Granted: 2003-11-20
Abstract: Verfahren zum Testen der Funktion eines in oder an einem Antriebsaggregat, insbesondere einem Kraftfahrzeuggetriebe, vorgesehenen Temperatursensors unter Verwendung einer Recheneinrichtung, wobei die Recheneinrichtung einen Rechenwert für die beim Betrieb des Antriebsaggregats eingetragene Verlustarbeit, die zu einer Erwärmung des Antriebsaggregats führt, unter Berücksichtigung der Kühlarbeit, die zum Kühlen des Antriebsaggregats aufgewendet wird, ermittelt, wobei zur Bestimmung der Funktionstüchtigkeit des Temperatursensors die Korrelation des vom zu testenden Temperatursensor gelieferten Temperaturwerts mit dem Rechenwert ermittelt wird.
Patent DE-19502242-C1 (DE)
Title: Engine mounting with hollow cylindrical support spring
Inventor: HOFMANN MANFRED
IPC: F16F13/08
Filed: 1995-01-25
Granted: 1996-01-18
Abstract: The mounting comprises an impact plate (18) which is fixed and sealed on the inner wall of a cup-shaped housing (7). An elastically attached control plate (25) rests against the housing so as to close and open an opening (19) in the impact plate. The rim of the control plate has an elastomeric ring (26) clamped between the impact plate and the housing. The control plate can be pneumatically or hydraulically controlled. The housing has an opening (30) for the control medium. An elastic wall (10) which separates the hollow interior into upper and lower chambers has a middle, thicker section (12) fixed to a bolt (11). There is at least one axial overflow opening (14) and a flexible outward-curving wall in the radially outer part (13).
Patent DE-19504672-C1 (DE)
Title: Servo drive for garage door
Inventor: DOERING ERICH DR
IPC: E05F15/686
Filed: 1995-02-13
Granted: 1996-06-20
Abstract: The servo drive (50) for the garage door comprises a servo motor (62) and a cable drum (70). Two fixed cables link the servo drive to the front and rear ends of the garage. The outer ends of the cables (30,40) are fixed to the building while the inner ends are wound around the drum and are secured to the drum. The rotation of the drum moves the servo drive along the cables in either direction.The cables do not have to be specially tensioned and are simple to fit without special tools. The lower tension increases the life of the system. The door is attached to the servo drive and is moved over fixed guides for the raise and tilt action.