baber/WOPTO huggingface dataset:
Patent GB-961191-A (GB)
Title: Improvements in or relating to cyclometer type registers
Inventor: GREENWOOD ERIC
IPC: G06M1/16
Filed: 1959-07-01
Abstract: 961,191. Counting apparatus. ENGLISH ELECTRIC CO. Ltd. July 1 1960 [July 1, 1959], No. 22597/59. Heading G4D. [Also in Division F2] In a cyclometer-type indicating register having a transfer pinion arranged between two adjacent number wheels, the transfer pinion comprises driving teeth 13 and driven teeth 14 located on opposite sides of a central flange 12 and the numbers of teeth in the two sets have a common factor greater than unity, the teeth in one set being angularly displaced about the rotational axis of the pinion with respect to the teeth in the other set so that all the teeth of one set are out of alignment with all the teeth of the other set. The angular displacement is preferably seven degrees, and is said to result in an increase in the efficiency of torque transmission. The teeth 14 comprise four teeth 15 which project further than the others to co-operate with a locking ring. The teeth 13 are of epicycloid form, and the pinion consists of a plastic moulding. Specification 757,362 is referred to.
Patent GB-954660-A (GB)
Title: Hydraulic pit prop
IPC: E21D15/44
Filed: 1960-06-28
Abstract: 954,660. Hydraulic pit props. GEWERKSCHAFT EISENHUTTE WESTFALIA. June 28, 1960 [July 3, 1959], No. 22674/60. Heading E1E. In an hydraulic pit prop, Fig. 1, having an inlet valve 14 and a release valve 19, the foot plate 12 is provided with an extension 16 adapted to co-operate with a recess 17 in the piston 11 and with an adjustable pressure relief valve 20, the arrangement being such that during initial retraction of the prop the chamber 15 is vented direct through the valve 20 and later when the members 16, 17 interengage it is vented through the said valve 20 under control of the valve 19. In a modification, Fig. 2 (not shown), the inlet duct communicates with the bottom portion 15a of the chamber 15 whilst the duct in the extension 16 communicates by way of non-return valves with said inlet and outlet ducts, said two valves being operable at different pressures to one another and jointly controlled by mechanically coupled push rods. In a second modification, Fig. 3, the prop is provided with valve controlled inlet and outlet conduits 31, 33 together with interconnecting ducts 36, 39 arranged as shown, a check valve 40 being disposed in the duct 39 and a plunger operable release valve 37 being disposed in the duct 36.
Patent GB-226796-A (GB)
Abstract: 226,796. Andersen, W. A. Dec. 29, 1923, [Convention date]. Clockwork actuation.-Relates to clockwork devices whereby circuits are completed to consumers at predetermined times. The particular hour and minute for each consumer are selected by hand at 9 and 10 and the clockwork driven hour hand 1 and minute hand 7 then cause each consumers circuit to be completed at the required time. According to the arrangement shown in Fig. 1, the hand connects a contact ring 2 to one of 12 contacts connected to conductors 4 and the hand 7 connects a ring 8 periodically to six short contacts 12, connected to the ring 2, and to six longer contacts 6 connected to conductors 5. A circuit to an electromagnet 15 is completed when the hour hand 1 has reached the selected hour 9 and when the minute hand is also engaging one of the contacts 12. The armature 17 is then attracted so as to close contacts 18 in the consumer's circuit A but this latter circuit is not completed till the hand 7 has caused the energization of the conductor 5 that was selected at 10. The circuit 15 is opened as soon as the hand 7 leaves the contact 12 but a magnet 19 retains the consumer's circuit closed till the hand 7 has moved off the contact 6. By using a current, reverser and polarized relays 15 the twelve wires 4 may serve for 24 hours. According to a modification, Fig. 2, the hour circuit is selected by a key 21, and when the hour arrives, a circuit is closed through a contact 23<b> and a magnet 25. The magnet attracts its armature and effects the releaseof the member carrying the contact 23<b> which moves so as to break contact at 23b and make contact at 27 to the consumer's circuit B which is finally completed through 10 when the minute hand reaches its correct position. Arrangements are also made by energization of magnet 36 or 42 to restore the parts to their original position either automatically at the end of the hour or at some previous time by moving the key 21 to the right. Other modifications are described especially adapted for alternating current, use being made of transformers. For example the selected circuits controlled by the hour and minute hands may each include the primary of a transformer, the secondaries of which actuate relays to complete the consumer's circuit.
Patent GB-480257-A (GB)
Title: Improvements relating to panels bearing indicating, advertising or like matter
IPC: G09F13/04
Filed: 1936-08-18
Abstract: 480,257. Adjusting wireless apparatus. STANDARD TELEPHONES & CABLES, Ltd. (Bulck, L. van) Aug. 18, 1936, No. 22743. [Class 37] [Also in Groups XVIII and XIX] A dial for a radio-receiver comprises a transparent panel with the indications etched or otherwise engraved on its rear face, and the engravings filled with non-luminous metallic paint. A dark coating may be applied to the rear face of the panel, or the panel may be arranged in front of a dark back ground and a movable pointer located between the panel and background. Specification 155,616, [Class 3 (ii)], is referred to.
Patent GB-203719-A (GB)
IPC: B01D1/28
Filed: 1923-09-11
Abstract: 203,719. Akt.-Ges. Brown, Boveri, et Cie., (Assignees of Marguerre, F.). Sept. 11, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Vapours, utilizing for effecting further evaporation. - Liquid to be evaporated is passed from a vessel B by pump P through evaporators V<1>, V<2> which are connected by separate conduits A<1>, A<2> to different stages of the compressor V. The compressed vapour is used for heating the liquid undergoing evaporation.
Patent GB-478823-A (GB)
Title: Improvements in or relating to means for securing garments in personal wear
IPC: A41F9/02
Filed: 1936-08-20
Abstract: 478,823. Garment-securing devices ; elastic pile fabrics. RIGG, L. Aug. 20, 1936, Nos. 22904/36 and 6155/37. [Class 141] [Also in Group IX] Means for supporting an outer garment and preventing rucking up of an inner garment comprises a complete or sectional elastic. belting which is secured in the outer garment so as to have freedom of expansion and which has, on its inner surface, cut pile fibres. As shown, a complete elastic belt A held in the garment D by loops C has a complete inner surface of cut pile fibres B. Alternatively, parts only of the belt may be covered by pile fabric secured thereto. The belt may be formed from an elastic tape on which a cut pile surface is produced during weaving, and the tape may be woven with a ruffled edge G by which it is sewn into the garment. In modifications, separate belting sections, or gussets, of the elastic cut pile fabric are secured permanently or removably in the garment.
Patent GB-600363-A (GB)
Title: Improvements in tool-relieving devices for planing, shaping and like machine tools
IPC: B23D13/00
Filed: 1945-09-06
Abstract: 600,363. Planing. DIENER, R. Sept. 6, 1945, No. 22931. [Class 83 (iii)] A clapper box for a, planing or shaping machine operated by an electromagnet, is characterised in that a pivoted tool support provided with an abutment lies in the arc of swing of the free end of a pivoted armature which is drawn by an electromagnet, having a short-circuiting ring, causing the armature to strike the abutment and lift the tool support, the latter falling back into cutting, position by gravity when the current to the magnet is switched off. The tool 9 is carried by a support 6 pivoted at 7 to the vertically adjustable head 3 of a shaper ram. The head carries, above the clapper box, an electromagnet 16, 17 and an armature 21 pivoted at 20. The end 22 of the armature extends beyond the magnet casing and strikes an abutment on the arm 10 of the support to relieve the tool on its back-stroke. On cutting off the current to the magnet, the tool falls by gravity to its cutting position. The electromagnet is energized when a switch 26, carried by the ram, closes. A bob 27 in the switch housing moves over by its inertia on each reversal of the ram and on the back-stroke closes the contacts 30, 31 for the magnet. The lower arm of the magnet is provided with a short-circuiting ring 18 which gives a strong initial jerk to lift the tool and reduces the amount of current required to maintain the tool support in the raised position. A mercury switch may replace the contact points 30, 31 and, in an alternative arrangement, a mercury switch may be tipped by a collar carried on an actuating rod reciprocated through linkage by the table of a planing machine.
Patent GB-1228788-A (GB)
Title: Improvements in or relating to hay-making implements
IPC: A01D78/10
Filed: 1968-05-14
Abstract: 1,228,788. Haymaking implements. C. VAN DER LELY N.V. 14 May, 1968 [16 May, 1967], No. 22940/68. Heading A1F. A haymaking implement comprises a mobile frame 1 and at least two adjacently mounted rake members 10, 11 that are supported on vertically adjustable non- swivelable ground wheels 8 and rotate about non-horizontal axes and another crop working member 18 having tines movable in substantially vertical planes and mounted so that it works the strip of ground between the rake members 10, 11. The rake members comprise rake wheels 10, 11 supported on ground wheels 8 and driven from the power take-off of the tractor via drive shaft 14, gearbox 3 and from there via shaft 15 to gearbox 2. The crop-working member consists of a tined drum 18 rotatably mounted at the end of leading arms 17 on shaft 19 which is parallel to the mobile frame 1. The drum 18 has two square plates 20 secured to opposite ends of shaft 19 with tine supports 21 extending parallel to shaft 19. The tine supports 21 may turn about their longitudinal axes and may be fixed in a chosen angular position by retaining member 22. Tines 23 are mounted on the tine supports and each end of the drum is surrounded by rings 24. Drive transmission from shaft 15 to the drum is made by two pulleys and a V-belt.
Patent GB-1193572-A (GB)
Title: Ester-Nitrile Addition Copolymers having Improved Resistance to Solvents.
IPC: C08F30/02
Filed: 1968-05-15
Abstract: 1,193,572. Flocking. B. F. GOODRICH CO. 15 May, 1968 [16 May, 1967], No. 22970/68. Heading B2E. [Also in Division C3] In an Example a flocked material is obtained by applying to a cotton print cloth a thickened polymer latex, embedding 0.030 mil rayon fibres into the polymer coating by the application of 50,000 volts for 10 minutes, drying the material for 10 minutes at 212F and then curing at 275F. for 15 minutes. The latex used contains an n-butyl acrylate/acrylonitrile/N-methylolacrylamide/acrylamide/bis-(#-chloroethyl) vinyl phosphonate copolymer (see Division C3), and is thickened 'by addition of an acrylic acid copolymer and polyallyl sucrose. The flocked material is resistant to dry-cleaning and washing.
Patent GB-692008-A (GB)
Title: Turret tool-holder device for lathes
IPC: B23Q3/155
Filed: 1951-10-03
Abstract: 692,008. Turrets. BECHLER, A. Oct. 3, 1951 [Oct. 26, 1950], No. 22990/51. Class 83 (iii), A tool-turret for lathes of the kind comprising an indexible body carrying axially movable toolholders, some of which are rotated, is characterized in that the toolholders are supported in the bores of journals, or of bosses associated with gear wheels, which are interchangeable, and that means are provided for permitting or preventing rotation of a tool-holder in the body or turret without interfering with the axial displacement of the tool-holder. The turret body comprises a hollow body portion 8, Fig. 1, and a flange 13 with a hollow shaft extension 7 which are separable to interchange the parts carried within and which may be bolted together in proper alignment by screws 12. The turret is supported in a rear bearing bracket 6 and at the front by an adjustable bracket 9 with a tapered bore. The assembly is adjustable towards and away from the lathe spindle 5 along a slideway 2. Handles 32 are provided for rotating the turret and a hand-operated lever 33, Fig. 2, with an end-piece 34 for engaging notches in the periphery of the flange 13 enables the turret to be indexed. These operations and the axial feed of the tools may be effected automatically by cams, if required. The tool-spindles 26a-26f, Fig. 2, are arranged around the axis of the turret and supported in bores in the front end of the hollow body and by journals 14, Fig. 1, in the rear plate 7, if the spindles are not required to rotate. Gear wheels 23 with integral bosses are interchangeable with the journal members and are used if the spindles are required to rotate. The bosses are provided with driving keys 29 which engage grooves 30 in the spindles. Adjustable tappets 37 are provided on the ends of the spindles adapted to be contacted, in the working position, by the end of a cranked hand-lever 36 for feeding a tool-spindle, the lever contacts a stop 39 to limit the feed movement, springs 40 return the spindles after a working operation. Set screws 31 in the front of the turret body are tightened to engage the groove in the tool-spindle when it is not required to rotate. The gear-wheels 23 engage a central gear-wheel 20 on a driving spindle 18, which is supported in the hollow shaft 7, and is driven by a pulley 19 at its other end. The gears 23 may be arranged to give a forward rotation to the tool-spindles by using an idler gear on an adjacent spindle.
Patent GB-353709-A (GB)
Title: Improvements in and relating to refrigerating systems
IPC: F25B3/00
Filed: 1930-07-31
Abstract: 353,709. Refrigerating. AKT.-GES. BROWN, BOVERI, ET CIE., Baden, Switzerland. July 31, 1930, No. 23090. Convention date, Aug. 5, 1929. [Class 29.] Compression systems comprise evaporators 11 each combined in a single glandless structure with a compresser cylinder 3; the cylinders contain floating pistons and have a double rotation, viz. about a shaft 1 and through toothed gearing 7, 6 about shafts 5. The evaporators are surrounded by liquid to be cooled contained in a chamber 14. Compressed refrigerant passes into a chamber 8 and through a pipe 9 and nozzle 10 to the evaporator chamber, returning to the compresser.
Patent GB-238090-A (GB)
Title: Method of producing a wide-mesh textile fabric with silk like gloss
IPC: D03D15/00
Filed: 1924-10-01
Abstract: 238,090. Percival, S., (Niederer et Cic). Oct. 1, 1924. Mixed fabrics; yarns specially treated, fabrics with; yarns specially twisted or doubled, fabrics with.-In the production of a wide-mesh textile fabric with silk-like gloss, a hard over-twisted thread is woven with a thread which consists partially or wholly of soft mercerized cotton. The threads of both the warps and wefts may comprise mixed yarns, and silk, artificial silk, and wires are mentioned as examples.
Patent GB-248415-A (GB)
Title: Improvements in and relating to cigarette making machines
IPC: A24C5/28
Filed: 1924-10-01
Abstract: 248,415. Molins, W. E. Oct. 1, 1924. Cigarette-making machines. - Mechanism for cutting into lengths an axially - moving cigarette or other rod comprises a shaft 1, Fig. 1, and one or more blades 35 adapted to revolve thereabout, the blades being displaced. parallel to the moving rod during revolution. As shown in Fig. 1, two segmental or other blades 35 are carried in clamps 36 upon links 26. These links are pivotally car. ried at the extremities of two pairs of links 23, 24, which are adapted to swing about parallel pivots 21, 22 upon and at right angles to the shaft 1. The links of each pair 23, 24 are disposed one on each side of the shaft 1 and are connected by bridge-pieces 27, 28. The lateral displacement of the blades 35 is effected by a stub shaft 31 inclined to the shaft 1 and carrying a yoke piece 30 engaged by pivot pins 29 mounted upon the bridge-pieces 28. The inclination of the shaft 31 to the shaft 1 is variable. The blades 35 co-operate with a ledger plate which may comprise a disc 16 driven from the shaft 1 through gearing 5, &, 9, 10, 13 and 14 and a shaft 15. The disc 16 is formed with a peripheral groove 16<a> and with radial slots 17 adapted to receive the knives. The blades 35, Fig. 1, may be replaced by rotating disc or segmental knives 35<1>, Fig. 4, the shafts- 35" of which are carried in bearings in the links 26. Rotation of the shafts 35<11> may be effectedby a frictional drive 39, 40 from a stationary wheel 38 upon the bearings 32 of the shaft 31, or by universal shafts driven by planet pinions revolving around a fixed sun pinion on the bearings 32. The shaft 31, Fig. 1, and the yoke-piece 30 may be replaced by a swash-plate comprising a stationary disc inclined to the shaft 1 and engaged by rollers on the links 23, or by a fixed cam track engaged by rollers on the links 26. In another modification, a point in the arms 23 may be connected by a universal shaft with a point eccentric to the shaft 1. In the modification indicated in Fig. 8, the opposite ends of the links 24 are pivoted independently at points 50 displaced from the axis of the shaft 1. In the constructions described, two knives or a single knife counterbalanced bv a weight may be employed. The set of blades shown in Fig. 1 may also be duplicated.
Patent GB-795542-A (GB)
Title: Improvements in or relating to radar apparatus
Inventor: PARKER ERIC
IPC: G01S7/292
Filed: 1955-08-11
Abstract: 795,542. Radar. DECCA RECORD CO., Ltd. Aug. 7, 1956 [Aug. 11, 1955], No. 23239/55. Class 40 (7). Radar apparatus provides by a non-coherent system video signals of moving targets, includes a second receiving channel having means for suppressing echo signals of long duration or large amplitude, and displays together the two sets of video signals. Trigger pulse generator 24 includes an adjustable delay line set to give the same delay as line 17 and in the same temperature-controlled oven. Signals in the second receiving channel 30 to 33 are limited in unit 30, are differentiated in unit 32 of time-constant comparable with the transmitted pulse length, and are " bottomclipped," to remove noise, over shorter ranges by control from waveform generator 35 which also gates out signals of longer ranges from unit 23 in mixer 34 or by swept-gain control of amplifier 23. The mixed signals are displayed on plan-position indicator 36. Intermediate-frequency amplifier 14 has a logarithmic gain characteristic.
Patent GB-1467297-A (GB)
Title: Complementary field-effect transistor differential amplifier
IPC: H03F3/45
Filed: 1974-05-24
Abstract: 1467297 Transistor differential amplifiers RCA CORPORATION 24 May 1974 [1 June 1973] 23299/74 Heading H3T In a differential amplifier having complementary symmetry circuits 40, 42, Fig. 3, each including a pair of complementary FET's connected in series between operating potential receiving terminals 43, 44, a power supply V 1 <SP>1</SP>, V 2 <SP>1</SP> is connected via voltage controllable impedance circuits 46, 58 to the terminals 43, 44 and each circuit 46, 58 has a pair of inputs connected to the outputs 22a, 22b between the series connected FET's. The amplifier amplifies differential signals applied at 10a, 10b and rejects common mode components in the input signals. For increasing output voltage V 0  at 22a and 22b the impedance of the circuits 46 and 58 vary in a complementary manner to translate the operating potentials V 1 , V 2  in the same sense. This effectively maintains the output terminals 22a, 22b approximately centered within the linear regions of their transfer functions for wide variations in the common mode input voltage (Fig. 3a, not shown). Under small signal conditions the variations in output signal voltages 22a, 22b bias the transistors 48, 50 in opposite manner so that their resistances change in opposite directions so that the parallel resistance of the variable impedance circuit 46 remains constant. The other variable impedance circuit 58 functions in the same manner so that the operating potentials V 1 , V 2  are unaffected by the differential input signals applied at 10a, 10b. The amplifier of Fig. 3 can provide differential outputs from a single input and can be used to drive a balanced line from an unbalanced source. In a modification (Fig. 4, not shown) further parallel connected pairs of FET's are connected in series with each of the FET pairs P48, P50 and N60, N62 to provide increased feedback gain. In a further modification (Fig. 5, not shown) each pair of FET's P48, P50 and N60, N62 are connected in series instead of parallel and the gates of the FET's of each pair are connected to opposite outputs 22a, 22b. Series and parallel combinations of FET's or transistors of other types can be employed in the variable impedance circuits 46, 58. Non- inverting amplifier stages may be included within the feedback paths to increase the feedback gain. Multiple stages of cascade connected pairs of complementary FET's may form the amplifiers 40 and 42.
Patent GB-608666-A (GB)
Title: Improvements relating to regulating circuits
IPC: G05F1/52
Filed: 1945-09-11
Abstract: 608,666. Automatic control systems for regulating electric circuits. WHITE, E. L. C. Sept. 11, 1945, No. 23354. [Class 38 (iv)] Voltage control.-In the circuit shown, a D.C. voltage from the potentiometer 11 shunted across the series valve 4 varies with the input voltage or the load voltage, depending on the position of the tapping point 10, and is applied to the grid of valve 6 through potentiometer 9, superimposed on the steady bias voltage derived from the glow discharge lamp 7 in the cathode circuit. Any variation of the voltage across potentiometer 9 causes a corresponding variation in the current of valve 6 and in the voltage drop across resistance 5, which is applied to the control grid of valve 4 connected in series with the supply and the load. The anode current of valve 4 is thus varied in such a direction as to stabilize the load voltage across terminals 2, 3. By adjustment of the tapping point 10 on resistance 11, the load voltage or the supply voltage may be made to predominate in controlling the load voltage. In a modification (not shown) the glow discharge lamp 7 is replaced by a bias battery, the cathode being returned to the negative line. Specifications 455,031 and 476,539 are referred to.
Patent GB-391008-A (GB)
Title: Improvements in or relating to methods and apparatus for erecting concrete or like structures
IPC: E04G11/22
Filed: 1932-08-20
Abstract: 391,008. Moulding concrete walls in situ. WHEELER, H. R., Parkfield, East Bergholt, Suffolk. Aug. 20, 1932, No. 23424. [Class 20 (ii).] - Concrete walls are cast in situ between shuttering which is raised after each casting operation by a distance of only a fraction of its depth, the outside and inside shuttering for the same walls, and the different parts of the outside shuttering also, being raised independently to avoid stripping the concrete. The external shutters 1 are connected by metal bands 32 to the transverse internal shutters 2 so that these are raised together by lifters L<1>, L2, &c. arranged around the shutters and operated successively while the other internal shutters are raised separately by internal lifters La, Lb, Lc disposed at the mid-points of internal walls, and afterwards clamped into position by means of clamps 3, 28. The lifting devices may be of the type described in Specification 336,853, [Class 20 (ii), Buildings and structures, Miscellaneous accessories &c.], one placed externally at each corner for the outer shuttering and the others placed internally at the. mid-points of the walls of the rooms opposite the metal bands 32. The external shutters are distanced by spacer frames 9 consisting of uprights 10 connected by pairs of toggle levers 11 to a centre bar 13 to which is also pivotally connected at 27 a rigid crossbar 23 the ends of which are received in slots 24 of the uprights and rest on adjustable pins 25 in the uprights whereby the distance apart of the uprights is adjusted. A friction core lifter 39 .. 42 may be carried by the spacer frame.