baber/WOPTO huggingface dataset:
Patent GB-117482-A (GB)
Title: Improvements in and relating to Tractors.
Inventor: FLORY JESSE DANIEL
IPC: B60G17/019
Filed: 1917-07-13
Abstract: 117,482. Flory, J. D. July 13, 1917. Traction engines, internal-combustion engine. -Tractors or other motor-vehicles with two or more wheels are provided with means for automatically raising and lowering tho wheels so as to maintain the frame level when travelling on a slanting road. The wheels are carried by pivoted arms connected to a rocker operated by a worm which is driven in opposite directions by the engagement of a worm on a constantly driven, pivoted shaft with either of two worm wheels, the engagement being effected by the movements of a pendulum. The wheels 21, Fig. 3, are carried by pivoted arms 17 riding in guides 19 and are connected by links 27 with a rocker 24 operated by a worm 29 in a shaft 30. The shaft 30 is provided with a worm wheel 31 and spur wheel 32, Fig. 5, connected by a chain 36 with a similar worm wheel 34 and spur wheel 35 mounted on a parallel shaft 33. Between the worms 31, 34 is a constantly driven shaft 37 which is provided with a worm 38, and is adapted to be swung to bring the worm into engagement with either of the worms 31, 34 by toggles 41. The toggles are operated by a pivoted forked member C having arms 44 and connected by a link 46 with a pendulum 47. The pendulum is provided with a spring catch 52. Extreme displacement of the pendulum is prevented by stops 49 formed on a link 48 connected by a bell-crank 50 and links with one of the links 27. A hand operating-device 51 is provided on the link 46. In a modification, the wheel-carrying arms 17 are fitted with teeth engaging gears on shafts which are operated through bevel gears from the constantly driven shaft 37.
Patent GB-604352-A (GB)
Title: Improvements in systems for communicating intelligence by means of pulses modulated in width
IPC: H03K9/08
Filed: 1944-05-26
Abstract: 604,352. Pulse modulation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. May 26, 1944, No. 10252. Convention date, May 29, 1943. [Class 40 (v)] Apparatus for producing from a series of pulses modulated in width in accordance with intelligence, a series of pulses modulated in amplitude, includes a wave generator for producing a series of linearly varying pulses of the frequency of said width modulated pulses, means for deriving from the trailing edges of said width modulated pulses a series of pulses in timed relation with said edges, a device for combining the linearly varying pulses with said last-named pulses, a clipping device for suppressing the lower portion of the combined pulses to produce pulses modulated in amplitude and a detector for these pulses. The input 26, Figs. 2 and 3, is in the form of pulses modulated in width according to the signal, the leading edges being strictly periodic. These pulses may represent a sound signal and may be obtained by demodulation of a carrier wave which is also modulated by a television signal. Pulses 26 are applied to a differentiating circuit 25 to produce pulses +25<1> and -25<1>, Fig. 4. Pulses +25<1> are periodic and are used to control a square wave generator 29 such as a multivibrator to produce pulses 29<1>, Fig. 5, which are fed to a wave shaper 32 to produce a triangular wave 32<1>, Fig. 6, having a vertical leading edge. The pulses - 25<1> from circuit 25 are fed to a clipper circuit 34 to produce narrow vertical pulses of equal amplitude, but spaced in time according to the modulation signal. These pulses together with the triangular wave 32<1> are fed to a mixer 37 to give an output 37<1>, Fig. 7, in which the equal amplitude pulses ride on different parts of the slope of wave 32<1>. The lower part of wave 37<1> is removed in a clipper 39 to give pulses 39<1>, Fig. 8, which vary in amplitude according to the modulation signal. These pulses are detected in a peak detector or amplitude detector 42 of ordinary type and are fed to a signal reproducer 44. If the initial modulated pulses are derived from a visual source, the unit 44 will be a picture reproducer. Specification 586,034 and U.S.A. Specification 2,083,245 are referred to.
Patent GB-125994-A (GB)
Title: Improvements in Powder Puffs.
Inventor: KARMEN BERNARD HENRY
IPC: A45D33/34
Filed: 1919-04-24
Abstract: 125,994. Karmen, B. H. Dec. 29, 1917. [Convention date]. Powder-puffs. - A powder-puff is made by stretching a cloth back 2 and a puff face 1 over flanged sections 4 and 5 respectively, the flanges 6 and 7 being then telescoped with the edges of the cloth 1, 2 between them. The ends of a doubled ribbon 8 are also held between these flanges. The looped portion 3 of this ribbon,. which forms a handle, is passed through a cellu-- loid &c. washer.
Patent GB-309731-A (GB)
Title: Improvements in or relating to wearing apparel
IPC: A41D3/04
Filed: 1928-04-05
Abstract: 309,731. Pearce, A. April 5, 1928. Coats.-In coats &c. of the kind which are provided inside with a bag into which the garment may be placed when folded the bag is adapted, when the garment is being worn, to form a lining and lie flat against the back; when the garment is folded in the bag, the latter may be attached to a handbag. The bag 2, Fig. 1, is attached by sewing an extension 3 into the shoulder seams, the bag being maintained flat during wear by a loop 7 passed round a button. The coat is inserted into the bag by being folded with the bag outside, the latter being turned inside out when the coat is inserted. As shown in Fig. 5, the bag with the enclosed coat may be carried by putting a handbag into a compartment, the handbag having flaps 15 which cover the edges of the bag, and hooks &c. 14 for engagement with tabs thereon.
Patent GB-242173-A (GB)
Title: Improvements in or relating to bins for containing flour, and other materials
IPC: A47F3/14
Filed: 1925-04-20
Abstract: 242,173. Wright, A. April 20, 1925. Storage bins.-A bin for containing four and other materials is adapted to be mounted between bearings applied to fixed supports and comprises a body of general cylindrical form with a shaft for engagement in one of the bearings and a spring-pressed pivot-member on the shaft for engagement in the other bearing. The bin 4 is flattened at one side 5, and the lower end 11 of its shaft 3 is pointed and rests in a socket 12 on the floor 2 while the sprring-pressed pivotmember 14 at the upper end of the shaft seats in a socket 12<1> on the underside of the counter 1. The bin cover 15 holds the member 14 centrally. The removable partitions 6, 7, 8 engage in longitudinal grooves 9 in the shaft 3 and guides 10 on the inside of the bin. To obtain access to any one of the compartments of the bin, the bin is rotated to bring the compartment under the overhanging part of the counter or shelf, and then the upper portion of the bin is pulled from under the counter, the pivot-member 14 slipping out of its bearing 12<1>, so that the bin occupies a tilted position while the contents of the compartment are being removed.
Patent GB-715408-A (GB)
Title: Improvements in and relating to electroscopes
Inventor: PELTON MARTIN OAKLEY
IPC: H01J47/04
Filed: 1952-04-25
Abstract: 715,408. Electroscopes. BRITISH OPTICAL & PRECISION ENGINEERS, Ltd. April I7, 1953, [April 25, 1952.] No. 10440/52. Class 37. In a dosimeter of the type in which an electroscope situated in an ionization chamber is first raised to a potential which leaks away when the contents of the chamber are ionized the optical elements for imaging the indicating element on to a scale comprises a lens so shaped that its rotation alters the position of the image on the scale while longitudinal movement alters the range on the scale corresponding to a given movement of the fibre. As shown, the indicating member consists of a quartz fibre 3 supported near a deflecting loop 10 and mounted in an ionization chamber to the wall I I of which the deflecting potential is applied by a spring loaded button I2. The fibre is image on to the graticule 4 by wedge-shaped lens 6 and microscope objective lens 7, and is viewed through lenses 8, 5. The wedge shaped lens consists of a cylindrical section, the axis of the cylinder differing from the line of centres of the spherical faces. This lens is mounted in a holder i rotatable in screw threads formed in the top and bottom parts of the electroscope. Thus, rotation of this lens alters both the position of the image on the graticule and the apparent movement of the image against the graticule. Several complete turns of the thread may be necessary to adjust the magnification of the instrument the first partial turn being used to adjust the setting of the fibre against the scale zero.
Patent GB-784247-A (GB)
Title: Improvements in and relating to photographic shutters
Inventor: WILLIAMSON STUART
IPC: G03B9/30
Filed: 1955-04-12
Abstract: 784,247. Photographic shutters. WILLIAMSON MANUFACTURING CO., Ltd. July 12, 1956 [April 12, 1955], No. 10512/55. Class 98(1) A focal plane shutter has a capping flap of sufficient width to cover the shutter seat (or the widest slot in the case of an adjustable slot) hinged to the shutter blind adjacent one edge of the slot. As shown, the shutter blind comprises two lengths of fabric 11, 12 joined as at 13 to leave a slot 14 of fixed size and having their edges reinforced by channel members 15, 16. To the member 15 are secured hinge knuckles 19 traversed by a hinge pin 22 around which is lapped and secured by stitching 23 a single thickness of blind fabric to form the capping flap 21, which lies over the blind part 11 during exposure but turns over and obscures the slot 14 when the blind is wound up. Against the blind rollers ledges of material (e.g., plush) may be provided to act as pawls for swinging the flap 21 over during release of the blind. The flap may alternatively be formed of thin card or fibre covered at one or both sides with blind fabric, or of a rectangle of wire covered with blind fabric, or of thin metal in which case its long edges may be rolled over.
Patent GB-105475-A (GB)
IPC: F16C35/073
Abstract: 105,475. Hindle, A. H., and Farmer & Sons, Sir J. July 7, 1916. Cylindrical journal and ball and roller bearings.- In a bearing for shafts, pulleys, &c., a floating sleeve c, surrounding but out of contact with the shaft a. is free to rotate within two recessed shaft collars b, b<1> and also within the hearing housing or the pulley f. Rollers i or balls may be placed around the ring c within the pulley f, and also, if desired, between the sleeve and the collars b, b<1>. In a bearing for fast and loose pulleys, the fast pulley is keyed to the shaft and has a recess to receive the end of the sleeve c supporting the loose pulley.
Patent GB-1458617-A (GB)
Title: Protecitng photoconductor surfaces of electrophotoconductive elements
IPC: G03G5/08
Filed: 1974-03-08
Abstract: 1458617 Electro-photographic members PITNEY-BOWES Inc 8 March 1974 [8 March 1973] 10584/74 Heading G2C An electro-photographic member comprises an electrically conductive support, a photo-conductive layer containing a mixture of ZnO and CdSSe and a protective layer of polyurethane with a charge acceptance of at least 1000 volts/mil. 20-70 wt. per cent of CdSSe and 20-30 wt. per cent of ZnO in a polyurethane binder is preferably used as the photo-conductive layer (cf Specification 1381956).
Patent GB-543699-A (GB)
Title: Improvements in electric thermal switches
IPC: H01H71/20
Filed: 1941-08-20
Abstract: 543,699. Thermal switches. BULPITT & SONS, Ltd., and BULPITT, W. H. Aug. 20, 1941, No. 10601. [Class 38 (v).] In a thermal switch wherein a ratchet wheel 24, held fast by fusible material, is engaged by a tooth 33 on a plunger 30 which, when the fusible material melts, is driven by a spring 39 to break the heating circuit, e.g. by ejecting a plug connecter, the tooth 33 is during re-setting guided into engagement with the ratchet wheel by an inclined guide plate 35. Specification 505,613 is referred to.
Patent GB-106573-A (GB)
IPC: H02G15/06
Abstract: 106,573. Henley's Telegraph Works Co., W. T., and Nichols, W. H. Sept. 15, 1916. Cable terminals.- A dividing-box for a concentric high-tension cable f comprises a porcelain insulating - cover a secured over the casing d, the inner conductor k passing straight through and being secured to one branch u, the outer conductor j being attached by a cagelike fitting m to an axial conducting-tube o enclosing the bared end of the inner conductor k and a tubular insulator p, and the second branch r being connected to a collar q clamped to the conducting-tube o. The tubular insulator p has a head s, between which and the cover a, the collar q is held when a nut v is tightened. A paper or like sleeve h protects the cable j where it passes through the base g of the insulator a. The cage-like fitting m permits access of the filling-compound to the inner conductor k.
Patent GB-294510-A (GB)
Title: Internal combustion engine
IPC: F01B3/00
Filed: 1927-04-21
Abstract: 294,510. Gribojedoff, N. von. April 21, 1927. Lubricant conveyed by fluid.-The power and pump pistons 10, 13 of a double-acting internal combustion engine rotate with the shaft 2 inside the fixed cylinder 1. A carrier 8 slidable in slots 7 in the shaft and slots 15 in the piston 13 moves with the power piston, the ends of the carrier working in a helical groove in the cylinder: the pistons and carrier reciprocate a number of times for each complete revolution. Mixture from the carburettor enters the hollow shaft by the pipe 21 and channels 22 in the cylinder and cylinder covers thereby cooling the cylinder; it flows through the slots 7 to the interior of the piston 13. Lubricating oil is added to the combustible mixture and enters the pistons through the slots 7: it is thrown out centrifugally against the piston interior, where it is finely sub-divided so that no drops can impinge on the sparking plugs. The fly wheel acts as a fan to draw out the exhaust gases and cooling air. It rotates in a chamber offering a large cooling surface, for the gases; any oil in these gases is received in a trap.
Patent GB-618515-A (GB)
Title: Improvements in or relating to electric motor controllers
IPC: H02P25/32
Filed: 1946-04-09
Abstract: 618,515. Automatic control systems for electric motors. IGRANIC ELECTRIC CO. April 9, 1946, No. 10893. Convention date, April 9, 1945. [Class 38 (iv)] [Also in Group XXXVII] Speed.-The balance between the three phase voltages applied to the stator of an induction motor is controlled automatically in accordance with departures from a desired motor speed to keep that speed constant. In Fig. 2 the back-to-back discharge devices 12 and 13, connected in series with one phase of the three-phase primary winding 10a of the motor 10 driving a printing press, are controlled by the phase of alternating potentials applied to grids 12c and 13c by transformer secondary windings 15b and 15c. The primary winding is connected between the mid-point of inductance 14 and the junction of variably saturable choke 17 with series resistance 15; which are connected, in parallel with inductance 14, across the A.C. supply. The phase of the grid potentials is varied by varying the inductance of choke 17 by the control coil 17b supplied with D.C. by source 43 through discharge device 41. Any difference between the voltage of tachometer generator 33 driven by motor 10 and the voltage across a tapped portion of potentiometer resistance 44, connected across supply 36, acts through the grid-controlled discharge devices 35 and 38, on the grid of device 41 to vary the impedance of choke 17, and hence the impedance of devices 12 and 13-in a sense tending to keep the speed of motor 10 constant. In a modification the devices 12 and 13 control ignitrons which are connected in one of the supply lines to the motor. Sufficient operating current may be maintained through the ignitions, at low motor current, by connecting in parallel with the motor winding a variable choke coil saturable by a control winding connected, in series with a rectifier, across the ignition terminals. The ignitions, or the discharge devices 12 and 13 in Fig. 2, may be shunted by impedances. One tachometer generator may control several mechanically coupled motors. One impedance device may jointly - control several motors in parallel.
Patent GB-179789-A (GB)
Title: Improvements in machines for splicing up the ends of cotton, linen and other threads
IPC: D02G3/00
Filed: 1921-04-14
Abstract: 179,789. English Sewing Cotton Co., Ltd., and Bennett, A. April 14, 1921. Winding-machines.-In a, machine of the type described in Specification 20529/13, [Class 120 (iii), Yarns &c.], for splicing cotton &c. threads, winding-mechanism is provided so that the spliced threads can be wound from one bobbin on to the other without removal from the machine. The bobbins A, A' carrying the threads to be spliced are mounted on spindles on rails B, B<1>, the former of which can be raised into winding position by a rack b so that the thread is tree from the splicing devices. The winding mechanism is operated by a belt h which is moved on to a fast pulley H. on the shaft 7. The bobbins A<1> on which the thread is to be wound are driven bv a tin roller K. The thread guides g, whereby the thread is laid on the bobbins are operated through a mangle wheel G and racks G<1>, G<3>.
Patent GB-1040527-A (GB)
Title: High-speed forming
IPC: B21D26/14
Filed: 1965-03-15
Abstract: 1,040,527. Stamping. BROWN, BOVERI & CIE A.G. March 15, 1965 [April 23, 1964], No. 10924/65. Heading B3Q. A method of high-speed forming comprises converting a high-rate electrical discharge into a forming force and simultaneously forming the work by another method. The discharge may be converted into a pressure wave by a spark gap or by vaporizing a wire, or it may be passed through a magnetic forming coil. As applied to constricting the middle and expanding the ends of a pipe 4, Fig. 1 (not shown), pressure waves from spark gaps 2 expand the ends and a magnetic forming coil 1 constricts the middle. The gaps 2 and coil 1 may be connected in series or in parallel to the supply 3, and dies may surround the pipe 4. If a magnetic forming coil is of thin wire it will vaporize, thus also forming by a pressure wave when submerged in water. A rigid conducting surface surrounds the coil and may be designed to concentrate the pressure wave for forming deep sections of the work. The ends of a tube, Fig. 2 (not shown), may be constricted by forming coils 7 and the middle expanded by a ring 8 of explosive ignited by the pressure of the coils 7 and/or by a connection 9. In a modification, a spark-gap or vaporizable wire is used with an explosive charge detonated by the spark or vaporization.
Patent GB-623280-A (GB)
Title: Improvements in or relating to petrol turbines
IPC: F01D1/34
Filed: 1947-04-24
Abstract: 623,280. Gas turbines. DAVIES, T. April 24, 1947, No. 11020. [Class 110(iii)] A gas turbine comprises a pair of rotors A, Fig 1, keyed on a haft B and arranged side-by-side in separate compartments of a chamber C, which compartments are connected together by pipes D. The primary rotor compartment is provided around its periphery with a series of combustion chambers E, each of which is fitted with a spring controlled plunger H, Fig. 3, and a poppet valve G. The valves are operated in turn by a cam or rollers M so as to admit combustible mixture from a carburetter to combustion chambers. The mixture is ignited by a sparking plug P and the combustion gases open the spring- controlled plungers H and impinge on the blades of the primary rotor and then pass on to the blades of the secondary rotor. Closure of the plungers is effected by a cam or roller N. The plungers H are held in the closed position by spring ball catches L which engage recesses K in the plungers. The sparking plugs P are controlled by an induction coil Q and a distributer driven from the turbine shaft by 1 : 1 gears. The turbine drives a dynamotor which is used to charge the battery and act as a starting motor. The flywheel O which carries the cams N, M, runs in a well of oil at T to provide a form of splash lubrication. The turbine may drive a compressor for supplying air to the carburetter. The combustion chambers E are provided with arcuate plates Y for mounting.
Patent GB-898479-A (GB)
Title: Improvements in wooden chairs
IPC: A47C3/04
Filed: 1960-03-29
Abstract: 898,479. Nesting chairs. HEIGHT, F. S. March 29, 1961 [March 29, 1960], No. 11063/60. Class 52(2) A chair (Fig. 1) has at each side a side frame 2 which consists of a front leg 4, a rear member 6 the lower part of which constitutes a rear leg 8 and the upper part of which constitutes a back support 10, a top side rail 12 joining the top of the front leg to the top of the rear leg, and a lower side rail 14 joining the front leg to the rear leg at about their mid height; the two side frames 2 being joined together by a seat 16 secured to the top side rails 12, a back 18 secured to the back supports 10, and two cross rails 20, 22 joining the front legs together and the rear legs together, the rear cross rail 22 being a little above the lower side rails 14; the seat 16 extending laterally somewhat beyond the top side rails 12; the two side frames diverging from one another downwards sufficiently to enable one chair to be stacked on another (Fig. 2) with the rear members 6<SP>1</SP> of the upper one just in front of the rear members 6 of the lower one, and with the lower side rails 14<SP>1</SP> of the upper one resting on the seat 16 of the lower one; and the rear part of the seat is reduced in width or stopped short, so as not to obstruct the passage of the rear legs 8<SP>1 </SP>of the upper chair outside the rear part of the top side rails 12 of the lower chair. As shown in Fig. 2, the top side rails 12 slope slightly downwards rearwards, while the lower side rails 14 are horizontal. This brings the centre of gravity of the stack nearly above the centre of the bottom chair.
Patent GB-387547-A (GB)
Title: Process for the manufacture of a substance resembling curled hair
IPC: D04H1/587
Filed: 1932-04-18
Abstract: Fibrous materials such as animal and vegetable hair, feathers, sea-weed, hay and tow, are coated with a horny material such as keratin, and also with a layer of vulcanized rubber, to produce a substance applicable for upholstery, heat insulation, carpet underlays, and as a substitute for bristles in brushes.  The keratincontaining material is obtained by boiling slaughter-house refuse with water under pressure, or by treatment with alkali.  It may be treated with formaldehyde.  The adhesion of the keratin may be improved by coating the fibres with an adhesive such as glue or shellac.  After coating with keratin, the fibres are separated before coating with rubber.  The material may be shaped before the rubber is vulcanized.ALSO:Fibrous materials such as animal and vegetable hair, feathers, sea-weed, hay, metal cuttings, tow, are coated with a horny material such as keratin, and also with a layer of vulcanized rubber, to produce a substance applicable for upholstery, heat insulation, carpet underlays, and as a substitute for bristles in brushes.  The keratin-containing material is obtained by boiling slaughter-house refuse with water under pressure, or by treatment with alkali.  It may be treated with formaldehyde.  The adhesion of the keratin may be improved by coating the fibres with an adhesive such as glue or shellac.  After coating with keratin, the fibres are separated before coating with rubber.  The material may be shaped before the rubber is vulcanized.