baber/WOPTO huggingface dataset:
Patent GB-145234-A (GB)
Title: Improvements in and relating to rings for holding sheets of paper or other material
IPC: B42F3/04
Filed: 1919-05-28
Abstract: 145,234. Hunt, W. May 28, 1919. Post and like files.-Rings for filing papers &c. are made from a length of resilient steel wire or the like wound spirally into close turns to form a continuous hollow and flexible tubing separable at one point for retaining the sheets and binders or covers. One end of the tubing is inserted into the other and the adjacent coils at the point of connexion may act as screw threads to keep the ring closed Specifications 29478/10 and 9210/15 are referred to.
Patent GB-134656-A (GB)
IPC: E05B15/04
Abstract: 134,656. Propert, T. G., Brown, W. R., and Woolford, A. T. Nov. 27, 1918. Latches, sliding.-In a fastening for doors, principally those of motor-cars, in which a sliding latch bolt is operable by means of a lever the end of which extends through the door rail and forms a handle, the lever is in the form of a blade spring F screwed to the door and passing through a notch f in the bolt E. The free end of the spring protrudes through a slot g in a plate I secured to the door, and is bent to form a handle G.
Patent GB-109832-A (GB)
Title: An Improved Appliance for use in Drying and Airing Clothes and the like.
Inventor: BURGOYNE EMMANUEL
IPC: D06F57/08
Filed: 1916-09-23
Abstract: 109,832. Burgoyne, E., and Burgoyne, J. E. Sept. 23, 1916. Drawings to Specification. Stands for fire-irons.-A hearth stand with pivoted arms, for use in drying and airing clothes, may be provided with supports for a poker, brush, &c. so as to serve as a companion stand or hearthtidy. Reference has been directed by the Comptroller to Specification 2218/92.
Patent GB-135183-A (GB)
IPC: H04R21/02
Abstract: 135,183. Tigerstedt, E. M. C. Nov. 8, 1918, [Convention date]. Microphones and variable - resistance transmitters. - A telephone transmitter consists of a plurality of fixed electrodes surrounding or surrounded by a layer of granular material held against the electrodes by a flexible covering operated upon by speech waves to vary the pressure upon the granules. Disk electrodes g, Fig. 1, are separated by layers l of insulating material and are surrounded by a layer h of granular material held against the electrodes by a flexible cover d. Alternate electrodes are connected to terminal studs k. In modifications, the electrodes g form the frustum of a cone and a sphere respectively. When the electrodes are in the form of a cone frustum, the granular material may be placed within the frustum, thereby forming a mouthpiece. In the modification shown in Fig. 3, the annular electrodes g are separated by annuli l of insulating material and the layer h of granular material is pressed against the electrodes by means of a flexible cover d.
Patent GB-127471-A (GB)
Title: New or Improved Threading Attachment for Automatic Screw Cutting Machines.
Inventor: BROUGHTON WILLIAM HENRY
IPC: B23B11/00
Filed: 1918-08-21
Abstract: 127,471. Broughton, W. H., and Bradbury, R. Aug. 21, 1918. Attachments for turning; turning wood-screws. -Multiple screw-cutting machines, in which both blank and cutter are rotated, have the transverse feed of the cutter p effected by a stationary cam u engaging a projection r on the cutter bracket n as it is traversed. The traverse is obtained from cams &c. acting through a slide k and an arm h sliding freely on the worm-shaft e which drives the cutter p. The bracket n is also free on the worm and can turn relatively to the arm h by which it is reciprocated axially. The cam u has a pivoted end piece v which moves the arm r down against the action of a spring s, thus bringing the cutter into contact with the work; but, on the return, the arm r passes above the cam, the end v being free to move out of the way. but returning by reason of its spring w, Fig. 4.
Patent GB-1387204-A (GB)
Title: Apparatus including first and second rotary members and means for  engaging and disengaging them
IPC: G06M1/04
Filed: 1972-03-23
Abstract: 1387204 Counting apparatus SIEMENS AG 23 March 1972 [23 March 1971] 13753/72 Heading G4D [Also in Divisions F2 and H1] A drive is engaged or disengaged by means of a flexible piezo-electric actuator 9. In Fig. 1 two counters 1, 2 displaying two tariffs are alternatively connected to a drive gear 5 mounted on a pivoted lever 6. Flexing of the actuator 9 by applying a voltage at 11 causes it to tilt lever 6 against spring 12. In Fig. 2 (not shown), the actuator is used to disengage a maximum demand drive allowing the pointer to reset under spring action. In Fig. 3 (not shown) application of voltage to the actuator causes a clock drive to be transferred from a spring reserve to a synchronous motor drive in a time switch.
Patent GB-708785-A (GB)
Title: Improvements in and relating to bicycle brake tubes
IPC: B21D53/86
Filed: 1952-05-30
Abstract: 708,785. Cycle brakes. BHASKAR VISHWANATH JAVADEKAR. May 30, 1952 [June 19, 1951], No. 13770/52. Class 136(1) [Also in Group XXII] A bicycle brake tube 16, disposed between a bell crank lever 6 and a brake rod 1. is made from metal strip (see Group XXII) and the upper terminal fitting 2, within which the brake rod 1 is telescopically adjustable, is enclosed within the upper portion of the brake tube during its manufacture.
Patent GB-705257-A (GB)
Title: Improvements in or relating to letter plates for doors or the like
IPC: A47G29/126
Filed: 1950-06-01
Abstract: 705,257. Letter plates. CLEAVE, S. A. July 17, 1950 [June 1, 1950], No. 13787/50. Class 18 A letter plate is capable of being opened by means on the outside of the door. In one embodiment a push button 9 actuates an arm 5, one end of which contacts an extension 10 of the letter plate to raise it when the button is depressed. In other embodiments (not .shown) the arm may engage a projection attached to the plate. Alternatively the plate may be raised by pulling on a wire passing from the plateover a pulley to the outside of the door. The opened plate may close a circuit to operate a visible or audible signal.
Patent GB-697394-A (GB)
Title: Improvements in or relating to transmission
IPC: F16H47/08
Filed: 1950-06-02
Abstract: 697,394. Change speed gearing. BORGWARNER CORPORATION. June 2, 1950, No. 13835/50. Class 80 (ii). A hydraulic torque converter 13, the reaction member 21 of which is prevented from backward rotation by a one-way detent 31, is arranged in series between the engine shaft 10 of a motor vehicle and an epicyclic change-speed gear 15 giving three forward speeds and reverse and comprising an annulus 52 secured to the driven shaft 11, two suns 53, 56 adapted to be connected alternatively to the converter turbine shaft 12 by a double friction-synchronised positive clutch 14 for forward and reverse drive respectively, and planets 54 meshing with the annulus 52, with the sun 56 and with other planets 55 which mesh with the sun 53. The planet carrier 57 is arrested by a brake 16 for reverse or low forward speeds, the sun 56 is arrested by a brake 17 for intermediate forward speed, and the carrier 57 and sun 56 are connected by a friction clutch 18 for direct drive. The clutch 18 is engaged by a pressure-fluidoperated piston 66 and the brakes 16, 17 by pressure-fluid servomotors 70, 69, the pressurefluid being supplied, under the control of valves (not shown), by a pump 71 driven by both shafts 10, 11 from a gear 74 loose on the shaft 11 and meshing with a double planet gear 75, 76 carried by the annulus 52 and meshing with a gear 78 secured on an extension 10a of the shaft 10. A governor 79 is also driven from the gear 74. The pump, governor, valves and servomotors are arranged beneath the gearing, easy access thereto being afforded on removal of an oil pan 86. Specification 663,704 is referred to.
Patent GB-934114-A (GB)
Title: A combined refrigeration and heated-water supply apparatus
IPC: F24D17/00
Filed: 1961-04-17
Abstract: 934,114. Refrigerating; heat pumps; hotwater boilers. SIEMENS-SCHUCKERTWERKE A.G. April 17, 1961 [April 16, 1960], No. 13863/61. Classes 29 and 64 (1). The feed to a hot-water supply tank 11 is pre-heated by thermoelectric heat pumps cooling a refrigerator 2. As shown, the refrigerator is cooled by a thermoelectric assembly 1, the hot junctions of which are cooled by liquid circulating in a pipe loop A. This liquid gives up its heat to the cold junctions of two further thermoelectric assemblies 5, 7, the hot junctions of which heat water flowing to the tank 11 through pipe B. The tank may be electrically heated. Assemblies 5, 7 may be replaced by separate thermoelectric units distributed along the juxtaposed lengths of pipes A, B.
Patent GB-404644-A (GB)
Title: Improvements relating to heat insulating coverings for metal flues, smoke pipes and the like
IPC: F16L59/12
Filed: 1932-05-14
Abstract: 404,644. Nonconducting coverings for heat. DAWE, C. W. C., and KITSON'S INSULATIONS, Ltd., 19, Brunswick Street, Blackwall, London. May 14, 1932, No. 13877. [Class 64 (ii).] The jacket of a flue pipe a comprising plastic asbestos sheet e encased in expanded metal or wire netting c, f, is spaced from the pipe by stools b composed of metal strip or moulded from heat resisting material. Apertures g and h in the jacket and pipe respectively allow of a continual air circulation around the pipe.
Patent GB-552038-A (GB)
Title: Improvements in automatic regulation of current in alternating current load circuits
IPC: G05F1/32
Filed: 1941-10-29
Abstract: 552,038. Automatic control systems. BRITISH THOMSON-HOUSTON CO, Ltd. (General Electric Co.). Oct. 29, 1941, No. 13931. [Class 38 (iv)] Current.-The current in  an A.C. load circuit of varying impedance 12 is made constant by a saturable core device 14 the saturation of which is changed inversely in accordance with changes in the potential drop in the A.C. winding 15, 16 thereof. A winding 17 is supplied from a 'circuit shunted across the windings 15, 16. This circuit may contain a series transformer 19, and a condenser 22 in parallel with a saturable choke 23 designed so that its volt-ampere characteristic at saturation is not straight and has a general slope less than that of the condenser ; the current in the winding 17 will then fall with any increase in load circuit current and cause its correction to constancy. The shunt circuit may consist of a series connection of a resistance, a condenser and a saturable choke with the saturating winding fed from a potential transformer across the condenserchoke combination. The shunt circuit may con- 'tain a transformer only; the inverse variation in saturation being obtained by ,a de-saturating, winding fed with constant current opposed by, the winding 17.. The constant current for de-satura, tion may be obtained from a constant D.C. or A.C. source or from a series transformer in the load circuit ; or by using a known constant current combination of condenser and saturable choke in parallel connected across the A.C. supply source.
Patent GB-1214379-A (GB)
Title: Improvements in or relating to error indicating devices in document feeding
Inventor: DOUGHTY KENNETH WILLIAM
IPC: B65H7/12
Filed: 1968-03-22
Abstract: 1,214,379. Feeding sheets. INTERNATIONAL COMPUTERS Ltd. 17 Feb., 1969 [22 March, 1968], No. 13953/68. Heading B8R. A device for indicating the presence of overlapped documents on a feed bed 4, Fig. 2, comprises a pivotally mounted member 12, means biasing the member to a position where a surface 15 is spaced from the feed bed 7 by a distance greater than the thickness of a single document but less than twice the thickness and a photo-sensitive detector actuated by rotation of the member 12 about its pivot 11 when engaged by a document fed in overlapping relationship, the surface 15 being shaped so that its spacing from the feed bed 4 remains substantially unchanged or decreases, during the rotation of member 12. This detector may form part of apparatus, (Fig. 3, not shown) wherein record cards (24) are fed from hopper (25) by roller (26), along feed bed 4 by pairs of rollers 3 and into a card reader which is stopped when an overlapped card is fed; the projection 19 of member 12 passes between light source 22 and photo-electric cell 23 when the member 12 rotates against the action of spring 13. The member 12 may be resiliently mounted to allow the cards to pass, even when overlapped, and a sprung pencil lead 16, or a felt or fibre wick charged with ink (not shown), causes a marking to be made on the overlapped card.
Patent GB-256929-A (GB)
Title: Improvements in steam condenser
IPC: F28B9/10
Filed: 1926-06-02
Abstract: 256,929. Ingersoll-Rand Co., (Assignees of Kirgan, J. F.). Aug. 14, 1925, [Convention date]. Surface condensers.- In surface condensers in which cooling tubes F pass across the steam space and in which, therefore, the inlet ends are cooler than the outlet ends, the condensing space is divided by partitions H into separate compartments, the outlets for air and incondensable gases from which are throtted so as to maintain different degrees of vacuum in the various compartments and to obtain equal penetration of steam among the tubes in all the compartments. Air outlets D, which extend across the partitions H, lead through apertured plates T, openings Q, over a cooling box O to an outlet S connected to a vacuum pump. The apertures U in the plates Tare covered by perforated plates V held by clamps W, the number and size of the perforations in each plate being arranged so as to restrict suitably the flow of air from each compartment.
Patent GB-373391-A (GB)
Title: Improvements relating to tubular members such as the supports for bicycle saddles
IPC: B21C37/29
Filed: 1931-05-12
Abstract: 373,391. Saddle supports. SWALES, E. W. and RUDGE-WHITWORTH, Ltd., Rudge Works, Crow Lane, Coventry. May 12, 1931, No. 14012. [Class 136 (iii).] A support for a bicycle saddle is formed from a blank, Fig. 1, comprising upper and lower portions 1, 2 and an intermediate neck portion 3. The blank is first folded by bending up its lateral edges so that in end view it becomes substantially U-shaped, and then further folded until its lateral edges abut to form two tubular members 12, 13, Fig. 4, integrally connected together by the neck 3. The tubular members 12, 13 are next bent relatively one to the other about the neck 3 until the adjacent ends of said members contact, Fig. 5, whereupon the contacting edges, and also the lateral edges of the tubular members, are welded together. The tube so formed may be finally coated or plated.
Patent GB-1080192-A (GB)
Title: Improvements in ploughs
IPC: A01B9/00
Filed: 1966-03-30
Abstract: 1,080,192. Agricultural implements. E. A. WESTLUND. March 30, 1966 [March 30, 1965], No. 14048/66. Heading A1B. A digging machine comprises cutting discs 9, a digging tool 3 and a rotor 4 having tools 5 which lift the soil during its rotation and deposit it behind the machine. A further rotor 7 is provided and is fitted with cutting blades 8. Both rotors may be driven by hydraulic motors or from a tractor power shaft.
Patent GB-1536161-A (GB)
Title: Differential amplifiers
IPC: H03F3/45
Filed: 1976-04-07
Abstract: 1536161 Transistor amplifiers INTERNATIONAL BUSINESS MACHINES CORP 7 April 1976 [27 May 1975] 14069/76 Heading H3T A differential amplifier for driving a load 18, 20 with substantially zero direct current offset, e.g. for a magnetic recording head, comprises a pair of transistor amplifiers 12, 12, each amplifier having emitter 1, base 2 and collector 3 terminals, the two terminals 1, 3 carrying substantially equal currents, the terminals 1 being coupled via feedback means 26, 26 to the respective terminals 2, 2, coupling 40 between the amplifiers to form the differential amplifier and differential input means 30, 32. Low impedance coupling capacitor 40 equalizes the potentials of points 46, 48 for signal frequencies, and the action of differential amplifiers 26 in the feedback paths is to render the D.C. potentials of points 46, 48 equal to a reference voltage Vref applied to the non-inverting inputs of both amplifiers 26. Resistors 24 are matched, and thus the direct current components flowing through them and through the terminals 1 are maintained equal. Since the base currents of transistors 14 are small it follows that the currents through terminals 3 are substantially equal. These two currents flow through respective opposed windings 18, 20 of the magnetic head so as to produce substantially zero D.C. magnetization thereof. A resistor 36 acts as a matched termination for input sources 30 32 at signal frequencies. Resistors 38 in Darlington amplifiers 12 serve two purposes, to act as discharge paths for the base-emitter capacitances of transistors 16, and to improve the frequency response of the amplifiers by increasing the collector currents of transistors 14.
Patent GB-694094-A (GB)
Title: An amusement device
IPC: A63J19/00
Filed: 1949-05-26
Abstract: 694,094. Controlling and actuating by sounds., ROBERTS, A. J. May 19, 1950 [May 26, 1949], No. 14072/49. Class 118 (ii) [Also in Groups XV and XXXIX] In an amusement device (see Group XV) a dancing figure is supported by an extension of an electromagnet armature 17, and a casing 22 contains a diaphragm 24 having a contact 25 on which a pivoted and balanced contact lever 26 is lightly pressed by a hair spring 27. A battery 14 provides current for a high resistance relay 15 and an electromagnet 16 controlled by the relay. Sound waves acting on the diaphragm 24 produce a chattering contact at 25, 26, thus breaking the circuit of relay 15 intermittently and causing the armature 17 to vibrate and operate the figure.
Patent GB-699599-A (GB)
Title: Improvements relating to paper bags
IPC: B65D30/18
Filed: 1952-06-04
Abstract: 699,599. Paper bags. BIBBY & BARON, Ltd. and BARON, A. J. Oct. 8, 1952 [June 4, 1952], No. 14075/52. Class 94(ii) A block-bottom bag is provided with an ungummed rectangular portion h on the bottom flap e which is printed to indicate the contents and is perforated at g so that it may be removed after sale.
Patent GB-568281-A (GB)
Title: Improvements relating to metal spraying
IPC: B05B7/22
Filed: 1943-08-30
Abstract: 568,281. Metal spraying. BALLARD, W. E. Aug. 30, 1943, No. 14107. [Class 69 (iii)] A number 6f metal spraying units are supplied with melting current from a single rectifying unit 12, each spraying unit comprising an induction coil 23 for melting the metal, a propellant gas sprayer 22, and an electric oscillator 24 for delivering current. The rectifying unit comprises a transformer 15 feeding a valve 18, 19, 21 and delivering D.C. current to mains 13, 14. Each oscillator unit comprises a valve 25 with anode and grid blocking condensers 27, 29, and turning condenser 26. Specification 483,517 is referred to.
Patent GB-737038-A (GB)
Title: Improvements in fluff and dust removing systems for cotton and like carding machines
Inventor: HOLT SIDNEY
IPC: G09F15/00
Filed: 1953-05-20
Abstract: 737,038. Removing dust &c., from carding machines. ATMOSPHERIC CONTROL, Ltd. May 5, 1954 [May 20, 1953], No. 14141 /53. Class 120(3). Apparatus for removing fluff and dust from a revolving flat carding machine comprises a filter box a connected to a source of suction and ducts d, e, f, g leading to branches h, i, j, k, m located respectively across the machine beneath the lap feeder plate, above the feed rollers, at the front and rear ends of the chain of flats and above the doffer. Each branch has a slot extending over its full length and is preferably tapered. There may be a hinged flap n pivotedto the branch m to assist in collecting dust laden air from the doffer. When stripping the doffer, the branch m with plate n may be swivelled clear of the doffer.
Patent GB-1065199-A (GB)
Title: Vehicle for use in spreading fluent granular material
Inventor: ATKINSON RICHARD LESLIE
IPC: E01C19/20
Filed: 1965-04-02
Abstract: 1,065,199. Centrifugal distributers. ATKINSON'S OF CLITHEROE Ltd. March 22, 1966 [April 2, 1965; May 17, 1965], Nos. 14208/65 and 20837/65. Heading A1D. A centrifugal distributer comprises an endless belt conveyer driven through a reduction gear 15 from a hydraulic motor 14 and a metering valve constituting a torque generator which is driven by a flexible coupling 27 from a wheel 23 which engages the road wheel 26. The drive from the wheel 23 monitors the rate of flow of hydraulic fluid to the motor and ensures that the rate of travel of the belt is proportional to the speed of the vehicle wheels. The metering valve may be a separate unit from the motor. The flexible drive may be disconnected and the motor 14 may be operated by a manually oper able crank or an electric motor. The centrifugal discs 12 are driven by a hydraulic motor 13.
Patent GB-142212-A (GB)
Abstract: 142,212. Clauson, A. E. Feb. 12, 1919. Abacuses.-A device for adding &c., or for teaching arithmetic, consists of a frame the base of which is divided into a number of columns a which are separated by ribs b and on which are marked the numerals 1 - - 10, the upper spaces being left blank. The ribs, which are rebated or undercut, serve as guides for a number of blocks d, each covering one numeral, there being ten in each column, so that one space is uncovered and exposes a numeral. To add, one number, say 123, is exposed as shown, and the units figure, say 6, of the other number, is added by shifting up six blocks, exposing the 9, and so on. If the figure to be added is greater than the number of blocks below the figure exposed, these blocks are first shifted up, exposing the 10 and indicating that one is to be carried to the next column; all the blocks are then shifted down and the remainder of the blocks shifted up, thus exposing the correct numeral of the sum.
Patent GB-566472-A (GB)
Title: Improvements in pumps
IPC: F04D9/02
Filed: 1943-08-31
Abstract: 566,472. Centrifugal pumps. DAMONTE, J. P. Aug. 31, 1943, No. 14234. [Class 110 (i)] A helico-centrifugal pump comprises an outer hemispherical &c. casing 10 with an axial inlet 11, an inner rotor 15 carrying on the outer surface helical vanes 60 and on the inner surface similar vanes 65, the interior of the rotor being divided by a partition 25 into suction and pressure compartments 24, 31 communicating by a port in the partition. A ring 51 screwed into the inner rotor carries vanes 66 for drawing priming fluid from a tube 20 on the closure plate 16 into compartment 24; whence it passes through a part into compartment 31, and is there forced by vanes 65 through a port 41 in the inner rotor into pump chamber 12, where it mixes with the main fluid from 11 and is discharged into the main delivery tube 61 on the plate 16.
Patent GB-845907-A (GB)
Title: Hydraulic pit props
IPC: E21D15/44
Filed: 1957-05-03
Abstract: 845,907. Hydraulic pit props. WIEMANN, E. W., [trading as MASCHINENFABRIK E. WIEMANN]. May 3, 1957 [May 3, 1956], No. 14262/57. Class 20(2) [Also in Group XXIX] In a hydraulic telescopic pit prop having a non-turn valve 4 allowing fluid to flow from the reservoir 1 to the pressure chamber 2 when the prop is extended by hand, the excess pressure relief valve 12 is adjustably and removably mounted in a plug cock 7 which is adapted to release fluid from the prop pressure chamber by a pipe 5 and a passage 10 to the reservoir to withdraw the prop. The cock 7 is operated by a key 16 and a quick screw thread 8. The relief valve comprises a spring-pressed ball valve held in position by a screw plug 121. Additional fluid may be pumped into the pressure chamber by means of a pipe 5<SP>1</SP>.
Patent GB-256000-A (GB)
Title: Improvements in laundry driers & airers
IPC: D06F57/12
Filed: 1925-06-02
Abstract: 256,000. Taylor, A. H. June 2, 1925. Garment racks and stands.-A drying rack for articles of clothing and the like comprises brackets A secured by clamps F to a ledge or projection K and carrying square rods O on which the clothing is hung. Supports C removably fitted in eyelets D', D are bent at M and N to grip rods O also of square cross-section.