baber/WOPTO huggingface dataset:
Patent GB-449077-A (GB)
Title: Hydraulic-actuating means, for use on a motor-vehicle
IPC: F16D48/02
Filed: 1934-11-19
Abstract: 449,077. Friction clutches; variable-speed gearing. RILEY, P., Castle Works, Aldbourne Road, Coventry. Nov. 19, 1934, No. 33216. [Class 80 (ii)] [See also Group XXVI] In a motor vehicle, the main clutch, or a clutch or brake by which a gear train is adapted to be brought into operation, is actuated by pressure oil from the engine lubricating system acting on a piston 20 mounted in a cylinder formed concentrically in the engine flywheel 16. A flexible diaphragm 25 has its outer periphery secured to the cylinder and its inner periphery secured to the rod 24 of the piston 20, oil leaking from the cylinder and collecting between the latter and the diaphragm being returned to th e engine sump through passages 43, 44 in the flywheel. As shown, a pair of clutches 12 and 13 are adapted to be selectively operated so as to connect either a shaft 14 or a sleeve 15 to the engine shaft 17, a presser plate 32 common to the two clutches being actuated through springs by pins 28 secured to arms 27 connected to the rod 24. The clutches are arranged in a drum 29 secured to the flywheel. Pressure oil is adapted to bo supplied selectively to one side or the other of the piston 20, so as to cause engagement of the appropriate clutch, through a pair of plunger valves 39 and 40 which control communication between an inlet 55 and passages 37, 38 leading to the two sides of the piston through passages in the shaft bearing 36, the shaft 17, and the piston, the arrangement being such that when one passage 37 or 38 is open to the inlet 55, the other is open to a chamber 49 communicating with the sump. The valves 39, 40 are controlled as described in Specification 441,925. A spring-loaded accumulator or an auxiliary pump may be provided so that the clutches may be operated when the engine is not running.
Patent GB-845394-A (GB)
Title: Improvements in or relating to self-starting fractional horse-power synchronous motors
IPC: H02K21/38
Filed: 1958-10-17
Abstract: 845,394. Electric motors. LANDIS & GYR A.G. Oct. 17, 1958 [Oct. 23, 1957], No. 33270/58. Class 35. The soft iron rotor of a synchronous motor has a series of radial teeth 2 polarized by a fixed, disc-shaped magnet 12 which is axially magnetized to provide twice as many sector-shaped alternate poles as there are rotor teeth. The 'stator has no teeth. In operation the magnet poles are alternately strengthened and weakened by the alternating flux from stator coil 11, but the magnet is of a ferrite (Ferroxdure) having a reversible permeability of about unity and is not demagnetized by the stator flux. When the motor is de-energized the 8-pole rotor lies in a position bridging alternate pairs of the 16-pole magnet as shown in Fig. 2. On energization, one pole of each pair is weakened and the other strengthened which causes the rotor to move towards the stronger pole. Reverse rotation is prevented by a known lock comprising a gear 13 on the rotor engaging, by specially shaped teeth, a gear 15 lying in an aperture in the magnet.
Patent GB-913676-A (GB)
Title: Treatment of semiconductor materials
IPC: C30B25/12
Filed: 1960-09-28
Abstract: <PICT:0913676/III/1> <PICT:0913676/III/2> <PICT:0913676/III/3> A dentritic crystal pulled from a supercooled melt using a seed crystal orientated as shown in Fig. 2 is coated on at least one face with a foreign substance deposited from the vapour state. The coating may be simultaneously or subsequently fused on to the dendritic crystal. Semi-conductor crystal materials specified are silicon and germanium, and compounds of aluminium, gallium, or indium and antimony, arsenic, or phosphorus.  A doping agent may be present in the melt.  Pulling may be effected in a vacuum or protective gas atmosphere.  The protective atmosphere may comprise argon, helium, hydrogen, or nitrogen.  Gallium arsenide may be pulled in an atmosphere of arsenic.  The foreign substance may be gold, tin, or silver; aluminium, boron, gallium, or indium (p-type dopants); or antimony, arsenic, bismuth, or phosphorus (n-type dopants).  A mixture of foreign substances may be deposited, e.g. a bismuth-boron-gold alloy. One substance may be deposited on one face and another substance on the opposite face, e.g. the product may comprise a central layer of n-type germanium between intermediate layers of p-type germanium containing aluminium and indium, respectively (Fig. 5).  Masking may be used during coating, or etching may be used after coating, in order to produce a desired pattern.  As shown in Fig. 1, a dendritic crystal 50 is pulled from a melt 18 contained in a covered graphite crucible 16 heated by an induction coil 20 and connected with a reservoir 26. The pulled crystal is passed through rollers 60, 62, 64 and 66, which may be of neoprene rubber, nylon, polytetrafluoroethylene, or polytrifluoromonochloroethylene, into an upper evacuated chamber, which may be maintained at a pressure of less than 1 micron, where it is coated with a desposit from vapour produced from melt in a vessel 70, thereafter passed through a fusion chamber 80, and finally wound on a drum 90.  Specifications 889,058, 911,359, 913,674 and 913,675 are referred to.
Patent GB-801447-A (GB)
Title: Improvements relating to conveyors
Inventor: SAUVEE ROBERT LEON
IPC: B65G37/00
Filed: 1955-11-22
Abstract: 801,447. Endless-belt elevators. SOVEX, Ltd. Nov. 9, 1956 [Nov. 22, 1955], No. 33437/55. Class 78 (1). Articles such as sacks, and materials are raised by being gripped between endless travelling bands 1, 6, the former of which travels over a sheet metal guide 60 and the latter of which is urged towards the former by fluid-filled flexible bag 4. The shaped end 27 of the bag causes gradually increasing pressure to be applied to the articles as they pass from the entry section 6e to the steep part of the flight. A wire belt 5 placed between the bag 4 and the band 6 protects the bag from being damaged by rubbing as the band moves. The band 1 is driven by a pulley 8 and is held in contact with it by a tensioned band 9. The band 1 is tensioned by being passed round a tensioned band 10. The band 6 passes round pulleys 14, 14<SP>1</SP> at the top of the elevator to a jockey pulley 15 carried by counterweighted levers 16. The return flight 6r of this band is driven by a pulley 17 and the lower part of the band is loaded by transverse metal rods or rollers 13 carried by parallel chains 131. The bag 4 may be made from rubberized fabric, synthetic plastic material, leather or canvas and is connected by a duct 21 to a flexible reservoir 22 which is loaded by a weight 23 and charged through a valve 24. The bag is suspended at 26 and may be attached to the trunk 3 at intervals and at its foot. In a modification, Fig. 5, an adjustable gap 31 is provided between the duct 21 and an air compressor 32. The gap is varied by sliding a sleeve 33 in the outlet 34 of the compressor.
Patent GB-644278-A (GB)
Title: Improvements in or relating to the securing of prefabricated roof units to building constructions
IPC: E04B7/04
Filed: 1948-12-30
Abstract: 644,278. Roofs. BLACKBURN (DUMBARTON), Ltd., HARGREAVES, W. A., and ROSS, G. S. Dec. 30, 1948, Nos. 33501/48 and 5241/49. [Class 20(iv)] Prefabricated roof units are secured to walls by means of #-shaped brackets 1, Fig. 1, or bolts 13, Fig. 3, pivoted around rag bolts 7 secured in the walls. A slot, transverse to the plane of swinging movement, is provided either in the horizontal limb of the bracket, Fig. 1, or in the bracket 9, Fig. 3, on the roof unit to which the bolt 13 is bolted.
Patent GB-890870-A (GB)
Title: Improvements in or relating to washing machines
IPC: D06F39/08
Filed: 1960-09-29
Abstract: 890,870. Washing-machines. LEPPER, W. Sept. 29, 1960 [Oct. 19, 1959], No. 33505/60. Class 138 (2). [Also in Group XXVIII] The emptying pump and overflow of a washing-machine are connected at 2 and 4, respectively to a T-junction which has an internal plate 3 dividing the horizontal section 1 of the junction into separate channels for overflow and pumped liquid.
Patent GB-931625-A (GB)
Title: Improvements in or relating to electrostatic precipitators
IPC: B03C3/38
Filed: 1961-09-19
Abstract: 931,625. Electrostatic air purifiers. ENGELHARD HANOVIA Inc. Sept. 19, 1961 [Feb. 24, 1961], No. 33528/61. Class 117. In an electrostatic air purifier wherein air is drawn into one end of a casing 1 through a glass wool filter 6 by an electric fan 10 which blows the air through a grid of interleaved oppositely charged electrode plates 15, 15<SP>1</SP> and thence through a charcoal filter 7 at the other end, the air is ionized between the fan 10 and the electrodes 15, 15<SP>1</SP> by two mercury vapour discharge lamps 12, 13, the envelopes of which are of fused silica containing boron oxide and traces of aluminium, sodium and arsenic oxides so that they transmit ultra-violet radiation substantially free of ozone-producing radiation. As shown, the electrode plates 15, 15<SP>1</SP> are respectively connected to common conductive sheets 17, 16 embedded in insulators 20, 19 which serve also to space adjacent plates, the sheet 17 contacting a terminal strip 29 and an end electrode 15<SP>1</SP> contacting a terminal strip 29 and an end electrode 15<SP>1</SP> contacting a strip 32 earthed to the casing walls. The filters 6, 7 and electrode assembly 15, 16<SP>1</SP> are withdrawable through the top 2 of the casing, and the electrodes 15, 15<SP>1</SP> may be of foil-covered paper to form a disposable unit.
Patent GB-390568-A (GB)
Title: Improvements in and relating to pumps for petrol or other liquids, and driving mechanism therefor
IPC: F04B9/06
Filed: 1931-12-03
Abstract: 390,568. Reciprocating pumps. SWAIN, F. E., 6, Charlton Road, Southmead, Bristol, and ROTHERHAM & SONS, Ltd., 27, Spon Street, Coventry. Dec. 3, 1931, No. 33550. [Class 102 (i).] A reciprocating pump, particularly for pumping petrol, is operated by a wire, cable, or other light 'flexible body maintained in a state of tension and arranged so as alternatively to transmit pulls in opposite directions. The pump 2 immersed in a petrol tank 1 is provided with a plunger 3 having a plunger rod 10 and is under spring restraint. The body of the pump has an inlet valve 34 and a delivery pipe 40, an excess pressure valve 43 being provided. The plunger rod 10 is secured to the end of a wire 25 which is enclosed in a protective covering 29 and is secured at its other end to a tappet member 15 having a tappet plate 20 held by the spring 21 in contact with an eccentric 22 on a shaft 23 driven by the engine. Where the wire 25 is in sections, the parts are secured at their adjacent ends in a block 44, carried by a casing 46 secured to the protector casings 29. Where the cable has to pass round large angles it may be passed round sheaves or formed in parts and connected to pivoted angle levers. In a modification the driving tappet has an axial cam-like slot which through a roller member operates a second tappet at right-angles to it, which tappet is itself secured to the cable 25. In a further modification the pump body is disposed outside the tank 1, and the inlet pipe and outlet pipe are coupled to the pump body through angularly adjustable connections.
Patent GB-210579-A (GB)
Title: Improvements in starter for combustion engines
IPC: F02N7/10
Filed: 1922-12-08
Abstract: 210,579. Jack, J. H., (Bonta, M. W.). Dec. 8, 1922. Clutches, friction and ratchet; operating or controlling clutches.-In an engine starter, a clutch between a small auxiliary engine and the main engine is brought automatically into engagement when the auxiliary engine reaches a sufficient speed and is disengaged when the speed of the main engine is sufficient. In one form, Fig. 1, the shaft 10 of the small engine is in line with a shaft 10 carrying a starting pinion 30. An extension 26 of the shaft 28 is freely rotatable about the end of the shaft 10 and carries a disc 25 connected by a roller or ball clutch 37 to a clutch member 32. A similar clutch member 18 is movable axially on a sleeve 17 mounted on the shaft 10, and a friction ring 35 is situated in recesses in the clutch members 18, 32. Toothed segments 21 are pivoted upon the sleeve 17 and engage teeth on the member 18 and on a loose sleeve 12. When the speed of the engine 9 is sufficient, the member 18 is moved axially by means of a governor 14 connected to the sleeve 12 and to a fixed sleeve 11 on the shaft 10, so that the clutch 35 is brought into engagement. In order that the shaft 28 may take up the drive gradually, the clutch rollers 37, Fig. 3, move in recesses 36 but are restrained by springs 38, connected by pins 39 to the disc 25, until the speeds of the members 32, 25 are approximately the same. When the speed of the main engine is sufficient, the engine 9 is automatically stopped and the governor 14 disconnects the clutch. In a modification, Fig. 8, an electromagnetic clutch comprises a closed-circuited ring 90, secured to the disc 32, and a ring 91 movable axially by the governor 14 and carrying field coils 92 connected to a battery 93 through collector rings 94. The lever 96 of a rheostat 95 is actuated by the sleeve 12, moved by the governor, to cut out resistance gradually from the battery circuit.
Patent GB-189661-A (GB)
Title: Improvements in flexible couplings
IPC: F16D3/72
Filed: 1921-12-14
Abstract: 189,661. Baumann, K., and Metropolitan-Vickers Electrical Co., Ltd. Feb. 14, 1921. Universal joints, torsionally-rigid, for the transmission of high powers, as from a turbine to an electric generator, are machined from a solid forging and comprise end flanges united with the alternate corners of a single rectilinear frame, or of two or the outer of a number of frames united with one another at alternate corners. As shown, two rectilinear frames 4, formed by machining a central polygonal orifice 7 and slots 8 .. 13, are united with each other at the corners 5 and with circular flanges 3 at the corners 6. The central orifice may be circular, as shown in broken lines 14, when the outer edges of the frame members 4 are so curved, as shown at 15, that their longitudinal neutral axes form rectilinear figures.
Patent GB-465968-A (GB)
Title: Improvements in and relating to foot-wear
IPC: A43B3/26
Filed: 1935-12-05
Abstract: 465,968. Sandals. HUTTON, A. Dec. 5, 1935, No. 33707. [Class 17 (ii)] A shoe, slipper, or like footwear, more particularly a sandal for children's wear, is adjustable longitudinally to different sizes by means of screws N and Q, which pass through slots in plates P, J at top and 'bottom respectively of an insole portion I carried by the heel end of the sandal, into nuts O in an outer sole member F carried by the front portion of the sandal. A metal plate H is let into the top portion of the sole F at the rear end. The rear end of the sole F is guided in a recess U in the heel T and a strip of leather S is placed between the forward and rear insole parts M, I to form a flat surface upon which the foot rests. A fastening strap D is carried by the heel part of the sandal.
Patent GB-1268156-A (GB)
Title: Imitation shirt or blouse cuff
Inventor: FELDSER LESLIE ALEXANDER
IPC: A41B7/06
Filed: 1970-07-10
Abstract: 1,268,156. Imitation shirt or blouse cuffs. L. A. FELDSER. 10 July, 1970, No. 33730/70. Heading A3V. An imitation shirt or blouse cuff 10 comprises a cuff member 12, a sleeve member 18, and a piece of stretch fabric 16 carrying attaching means which are detachably secured to complementary means on the inside of a jacket sleeve. As the wearer moves his arm relative to the jacket sleeve, a variable amount of the cuff 10 will project beyond the end of the jacket sleeve. The cuff member 12 is cylindrical and may be tapered outwardly. Axially spaced attaching means may be provided (Fig. 2, not shown). The single piece of stretch fabric may be replaced by parallel strips of stretch material.
Patent GB-765961-A (GB)
Title: Improvements in or relating to tobacco smoke filter elements
IPC: D04H1/54
Filed: 1953-12-04
Abstract: A tobacco smoke filter comprises a rod-like mass of fibres enclosed in a wrapper, the mass consisting of a segment of a continuous tow and each fibre being coextensive therewith, the fibres being in alignment longitudinally of the mass with some of the fibres having non-oriented short portions crimped into diverging and converging relationship to the main fibre axis, and some of the fibro being bonded to contiguous fibre at random points of contact by coalesced portions of contacting fibres.  The Specification describes apparatus for making filters which forms the subject of Specification 765,963. And tow forming the subject of Specification 765,962.
Patent GB-338825-A (GB)
Abstract: 338,825. Monroe Calculating Machine Co. April 5, 1929, [Convention date]. Calculating-apparatus provided with foldable legs. -A calculating-machine is provided with hinged rear legs 23, 24 adapted to be folded for transport or to move under spring action into supporting position as shown in Fig. 1. The legs are rigidly secured to a spring-controlled rod 22 and one leg has shoulders 26, and 29 and 30 to co-operate respectively with a stationary pin 27 and with the nose 33 of a locking-pawl 32. By raising the depending finger 37 of this pawl the legs are released and may be swung up to lie along the base plate 11 or may be allowed to assume the supporting position shown in broken lines in Fig. 4.
Patent GB-1349025-A (GB)
Title: Vibratory 'creening machine
Inventor: KRAUSE R
IPC: B07B1/36
Filed: 1971-07-20
Abstract: 1349025 Screening machines RHEWUM RHEINISCHE WERKZEUG-U MASCHINENFABRIK GmbH 20 July 1971 [7 Aug 1970 16 March 1971] 33964/71 Heading B2H In a screening machine, a screen 17, Fig. 1, is vibrated by at least one vibrator 9 adjacent an inlet 2 for material to be screened and by at least another vibrator 16 adjacent an outlet 3 for screened material passing over the screen, the frequencies of the vibrations produced by the vibrators 9, 16 being different from one another and the amplitudes of the vibrations being substantially inversely proportional to to and between clamping bars 8 and 14 carried by lever arms 6, 12 secured to shafts 5, 10 journalled in rubber bearings in the side walls of a screening box 1. A spring 18 is connected to clamping bar 8 to adjust the tensioning of the screen. Another lever arm 7 secured to shaft 5 carries an eccentric motor 9 which produces vibrations of relatively low frequency but of large amplitude. A further lever arm 13 secured to shaft 10 is pivotably connected to the armature 15 of an electromagnet 16 secured to the box 1 and producing vibrations of relatively high frequency and small amplitude. The frequency of the latter vibrations may be increased by the impact of the armature 15 against its polepiece. The frequencies and/or amplitudes of the vibrations may be variable, In another embodiment, Fig. 3, the screen 17 clamped between bars 8, 14 is supported by a frame 19 connected at its transverse sides to lever arms 6, 12 of the shafts 5, 10 by rubber bearings 20. Supports 21 on the frame 19 carry the screen 17 which is arched upwards. Two parallel-operating eccentric motors 9 vibrate the screen. In modification, a single eccentric motor is connected to the inlet transverse side of the screen frame and is mounted with its housing stationary on the screen box or rubber springs. In a further embodiment, Fig. 6, the screen frame 25 rests on rubber springs 26. Eccentric motors 28, 29 produce the vibrations. A tubular strut 31 is provided below the screen 27 which is supported by cross-struts 30. The inlet and outlet channels 33, 34 are mounted as a unit on the base separately from the frame 25. In a modification, the eccentric motors are located above the screen. In a still further embodiment, Fig. 8 (not shown), the screen frame is suspended at its end, and is vibrated by two crank drives the cranks of which are of different lengths and rotate at different speeds. In a last embodiment, Fig. 9, the screen frame 25 is inclined upwardly in the direction of travel of the material and rests on rubber springs 26. The operative directions of electromagnetic vibrators 39, 40 are upwards and towards the outlet 3. The operative direction of the vibrator 40 is steeper than that of the drive 39.
Patent GB-614413-A (GB)
Title: Improvements in or relating to lamp housings and handle-bar components for cycles
IPC: B62K21/12
Filed: 1945-12-17
Abstract: 614,413. Lamp housings. DUYN, A. VAN. Dec. 17, 1945, No. 34053. [Class 75 (iii)] A handle-bar component for a cycle comprises a lamp housing 1, Fig. 2, integral with the handlebars 2 a bell 5 also being enclosed and actuated by a mechanical linkage 6 mounted within the handlebars 2. The bell may be mounted in a bullet-like rear extension 7 of the lamp housing and be operated through linkage either by turning a handle grip 8 or by a thumb lever projecting through the handlebars. The lamp may be a dynamo lamp, a lead 3 of which is passed through the steering column, and a battery 9 having a switch 15 may be provided so that the whole handlebar component may be removed and used as an independent lamp. According to the Provisional Specification the handlebar component 2, Fig. 7, may be provided with a cross pin 10 adapted to engage a slot 11 at the head of the steering column 4, Fig. 6, and with a cut-away locking pin 12 adapted to engage a slot 14, the latter pin 12 being turnable by a lever 13 to release the component 2 from the steering column 4.
Patent GB-1236766-A (GB)
Title: Improvements in or relating to automatic tracking radio equipments
Inventor: MARK JOHN RICHARD
IPC: H01Q25/04
Filed: 1968-07-18
Abstract: 1,236,766. Mode generators. MARCONI CO. Ltd. 7 May, 1969 [18 July, 1968], No. 34222/68. Heading H1W. [Also in Division H4] In a radio tracking system (e.g. tracking satellites) a waveguide is coupled to the aerial and modes in the waveguide are utilized to afford signals representing tracking errors: according to one aspect of the invention the waveguide is circular and the modes are TM 01  and/or TE<SP>1</SP> 21  and TE 21 , and according to another aspect of the invention the waveguide is rectangular and the modes are TE 11  and TM 11 . The satellite radiation may be circularly or linearly polarized. In one embodiment, Fig. 3, the satellite radiation is linearly polarized, the aerial 2 is a conical horn, waveguide 3 is circular, a transverse slot 6 extracts TM 01  and TE<SP>1</SP> 21  received signal modes, a longitudinal slot extracts the TE 21  mode, receiving port 8 is coupled via an " orthogonal mode diplexer," and a communications transmitter is connected to port 9; this apparatus is connected via filters 14, 15, 16, Fig. 7, to a known static split direction-finder system incorporating phasesensitive detectors 26, 27 which give sense-only E and H plane error signal outputs. A rectangular waveguide system is described, Fig. 4 (not shown). For circularly polarized satellite radiation odd order modes are separated from the fundamental mode by magic-T technique: extensions of the pairs 4, 5, Fig. 5, form, for each pair, a magic-T the other arms of which are 10, 12 for pair 4 and 11, 13 for pair 5. The fundamental mode TE<SP>1</SP> 11  is obtained from arms 10, 11, the TE 21  mode from arm 12, and the TM 01  mode from arm 13. To prevent disturbance of the sum received signal on diplexer output guide 8, the TE<SP>1</SP> 11  signals are reflected back into guide 3 by means not shown. In a modification coupling slots 6, 7 are not displaced by 90 degrees as in Fig. 5 but lie along the same axial line, Fig. 6 (not shown). A parabolic reflector may be added.