baber/WOPTO huggingface dataset:
Patent GB-718556-A (GB)
Title: Mechanical directional and trim control for rotary wing aircraft
IPC: B64C27/32
Filed: 1952-06-18
Abstract: 718,556. Trimming helicopter controls. DOMAN, HELICOPTERS, Inc. June 18, 1952 [Aug. 16, 1951], No. 15406/52. Class 4 A trim and directional control mechanism connected to the swash plate of a rotary wing aircraft comprises control stick means including at least one control stick mounted for universal pivotal movement fore and aft and side to side, a first connecting means connected with the control stick means so as to be movable solely upon any fore and aft movement thereof and connected with the swash plate at a fore and aft position thereon, a second connecting means connected with the control stick means so as to be movable solely upon any side to side movement thereof, and connected with the swashplate at a lateral position thereon, the first and second means being positive mechanical means, means connected with at least one of the connecting means to vary the position of the swashplate therethrough without varying the relative position of the control stick means, and spring means connected to the control mechanism and adapted to be connected to the aircraft to centre the control stick means in fore and aft position and in side to side position. Dual control columns 10 are mounted for fore and aft movement on a rockshaft 15 to which they are pivotally attached for lateral movement, each column having an extension 41 connected by a rod 42 to one arm of a bellcrank 43, the other arm of which is connected by arms 45 and 47, rod 29, bellcrank 48 and rod 49 to a swashplate 11 for imparting lateral tilting movement thereto. The rockshaft 15 carries a lever 19 which is connected by a similar linkage 20, 21, 23, 29, 25 and 26 to a further point on the swashplate 11 for imparting fore and aft tilting motion thereto. Each control rod 29 incorporates a screw and nut mechanism 32 actuated by a handwheel 31 located adjacent a pilot's seat whereby the pitch of the rotor blades may be trimmed with the control columns held in the central position by springs 37, 38 and 52, 53. In an alternative embodiment (Figs. 3 and 4, not shown) the mechanisms 32 are dispensed with and the ends of the rockshaft 15 are mounted in pivots capable of individual fore and aft adjustment under the action of handwheels controlled by a pilot.
Patent GB-218466-A (GB)
Title: Improvements in automatic feeding devices for printing presses
IPC: B65H3/02
Filed: 1923-06-13
Abstract: 218,466. Bullock, C. A. H. June 13, 1923. Sheet-separators; s h e e t - carriers; pile supports.-Sheets are fed to printing-presses from a spring-pressed pivoted pile table 7, from which the top sheets are successively separated and advanced by buckling- separators assisted by a reciprocating separator which advances the top sheet in one direction of its movement, and is raised from the pile on its return movement. As shown applied to a printing-machine of the kind described in Specification 190,544, in which chains 1 carry inking-rollers 2, and an impression roller 3 around a printing- forme 6, the sheets on the inclined table 7 pivoted to a frame 9, are normally pressed upwards and the front edges of the sheets are restrained by the pile comprising a device acting on the corner of the bent edge 33 of'a paper retainer 30 carried by a pivoted cam-plate 32 pressed towards a cam 37 bv a spring 39. The retainer 30 is raised when a gap 38 in the cam 37 permits, and the pile rises until the top slieet contacts with separating devices 15 16, 17, and the retainer then moves relatively to the pile to free the sheets from its action. An oscillating buckler 16 then buckles the sheet, as shown in Fig. 3, against the resistance of a stop 15<a> adjustably carried from the bearing of the shaft 18 which carries the buckler arm 16<a>. The shaft 18 is oscillated by a crank-arm 19 engaged by a projection on a reciprocating bar 22 moving in slots 23. The bar 22 is connected by rods 42, 41, Fig. 3, to a feeding finger 17 which moves over the top of the pile to advance the separated sheet when this is released by the depression of the table by the retainer 30, and consequent release of the top sheet by the buckling members. The sheet moves over the retainer 30, is received by a clip 46, and is fed to printing position as in Specification 190,544. The finger 17 is raised out of contact with the sheet on the return movement of its supporting bar 41.
Patent GB-280814-A (GB)
Title: Improvements in braces for personal wear
IPC: A41F3/00
Filed: 1927-06-09
Abstract: 280,814. Back, W. May 17, 1927, [Convention date]. Braces.-Men's braces comprise a pair of bands 1, 2, each having at one end a number of buttonholes 7 and at the other an attachment consisting of an elastic strap 5 fitted with a stud 6. The straps 5 are fastened to metal members 8 attached to the looped ends of the bands. The bands are crossed on the back of the wearer and one or other of the buttonholes 7 of each band fastened over the button 4<a> on the other, the studs 6 being attached to metal loops 9 with side pieces 10 attached at each side to the inside of the trousers.
Patent GB-236879-A (GB)
Title: Improvements in sandpapering machines and the like
IPC: B24B21/00
Filed: 1924-02-07
Abstract: 236,879. White & Sons, Ltd., T., and White, T. Feb. 7, 1924. No Patent granted (Sealing fee not paid). Flat extended surfaces, surfacing; guides and rests; gauges.-A sandpapering or like machine in which the work is fed by an endless belt running on a resiliently-mounted table beneath-fixed sanding-rollers a is provided with a front pressure plate b having ears c pivoted on the machine framing, the plate being adjustable to determine the depth of cut of the front roller by means of an eccentric shaft d operated by a lever e controlled by a retaining-spring f. The rear roller is set with its periphery slightly below the level of a fixed pressure plate g. Specification 236,604 is referred to.
Patent GB-749119-A (GB)
Title: Improvements in wheeled chairs for the use of invalids or disabled persons
Inventor: ATKINS GEORGE
IPC: A61G5/12
Filed: 1953-06-04
Abstract: 749,119. Invalid chairs. METAL PRODUCTS (CARSHALTON), Ltd. June 3, 1954 [June 4, 1953], No. 15433/53. Class 108 (1). [Also in Group XXXIV] A laterally collapsible wheel chair which may be reduced in width by the occupant without his leaving the chair, comprises tubular side frames 4, vertically movable tubular seat supports 7 which telescope within the frames 4, a canvas seat 8, and footrests 24, and links 5 cross connecting the supports 7 and the frames 4. The seat supports 7 may be raised by a hydraulic piston 12 operated by a handle 11, so that as the seat and occupant rise the folding action of the links 5 pull the wheels inwardly and reduce the chair width. Arm rests 19, having depending fins 22 engaging guide lugs 21 to normally retain the arms upright, are mounted to slide backwards and fold downwards on a rod 20. The footrests 24 may be pivoted about forward extensions 25 by means of levers 26, 27, and guided thrust rods 28 actuated by handles 29 and assisted by springs. The chair may have cable-actuated brakes.
Patent GB-1404510-A (GB)
Title: Vacuum packaging apparatus
IPC: B65B31/04
Filed: 1973-05-15
Abstract: 1404510 Vacuum-packaging apparatus W R GRACE & CO 15 May 1973 [1 June 1972] 15492/74 Divided out of 1404509 Heading B8C The subject-matter is as disclosed in Specification 1,404,509, but the claims relate to the vacuum nozzles.
Patent GB-333621-A (GB)
Title: Improvements in or relating to the actuation of mutually divergent valves
IPC: F02F1/42
Filed: 1929-05-17
Abstract: 333,621. Pugh, J. V., Hack, G. L., Anstey, F., and Budge-Whitworth, Ltd. May 17, 1929. Valve gear.-In engines having divergent overhead valves, a pair of valves in one plane are actuated by the outer arms of a pair of rockers, the inner arms of which engage one another. Fig. 1 shows a pair of inlet valves b, b<3> actuated by rockers c, c<3> which engage each other at e<4>, e', one of the rockers being actuated by a further rocker f and a tappet rod. A pair of exhaust valves b<1>, b<2> are similarly actuated by rockers c<1>, c<2>, f<1> and a second tappet rod. A tilting distance-piece or a ball may be arranged between the rockers f, c<3> and f<1>, c<2>. The rockers may be mounted on ball or roller bearings, or upon a rocking support such as that described in Specification 232,333. Fig. 6 shows a rocker h having a rolling surface h<7> bearing against a stop h<5>, which is carried by a member h<3> held in a sleeve h<2>. In a modification, the two pairs of valves are actuated by two cams on an overhead crossshaft geared to a vertical shaft, each cam actuating a pair of rockers. The profiles of the cams are inclined to their axes so as to give line contact with the rockers. Fig. 10 shows another form, in which each pair of rockers is carried between plates o mounted on the pivots of the rockers n<2>, n<3> and connected at their other ends by adjustable screws q<2> to the cylinder head. Similar mechanism could be used for operating three inlet and three exhaust valves; or in a cylinder with three valves, one could be actuated by a single rocker and the other two by a pair of rockers. Regulating. -The rocker fulcrum h<5>, Fig. 6, is carried by a member h<3> adjustable in the sleeve h<2> by means of a screw plug h<8>. In a modification, the adjustment is effected by a nut engaging the sleeve externally and arranged below the lever so as to engage trunnions carried by the member h<3>. In the form of mounting shown in Fig. 10, the plates o supporting the rockers are adjusted by the screw connections q<2> at one end.
Patent GB-1046617-A (GB)
Title: Method and apparatus for burning small pellets
IPC: F27B1/00
Filed: 1963-04-19
Abstract: 1,046,617. Treating materials in suspension. NIHON CEMENT CO. L td . April 19, 1963 [April 20, 1962; July 12, 1962; July 21, 1962; Sept. 19, 1962; Oct. 18, 1962; Nov. 13, 1962], No. 15600/63. Heading F4B. Sulphide ore, limestone or cement raw materials in the form of small pellets fall through a preheater a before being burnt in a grateless fluidized bed b and then fall through a cooler c, air passing up the apparatus in counter flow. A burner 10 delivers into the fluidized bed b which is of less cross-section than the preheater or cooler. A passage 6 withdraws some of the hot gases from the bed and delivers them to a free slope of the pellets or below a grid in the preheater. The preheater may be connected to the fluidized bed by a bend 2 so that a free slope of pellets is formed, the fluidized bed reactor feeding the cooler directly, and a flow control gate may be interposed in the free surface of the slope.
Patent GB-1508224-A (GB)
Title: Method for separating oil from a dispersion of oil in water
IPC: B01D17/04
Filed: 1975-04-16
Abstract: 1508224 Removing oil from water LIQUID PROCESSING SYSTEMS INC and D G COOK 16 April 1975 [26 April 1974] 15635/75 Heading BID  Oil is separated from an oil-in-water dispersion by passing the dispersion downwardly through container 13 containing a bed of oilcoalescing particles 18 and having a perforated bottom 16 and collecting the coalesced oil as a floating layer 19 around container 13. The layer 19 is maintained in a laminar condition. In the embodiment shown the container 13 is mounted in tank 10 which may be positioned in a ship, the oil is discharged via floating weir 27 and the water via openings 21, conduit 22 and pipe 24. The dispersion may be filtered and settled in tank 42 to remove solids and liquids heavier than water. In Fig. 6 (not shown) the apparatus comprises an open-ended cylindrical wall floating in open water and a plurality of floating coalescing containers within the wall and the oil is sucked from the floating oil layer. In Fig. 8 (not shown) the coalescing container is mounted in an underground concrete tank. The coalescing particles may be brominated polyethylene, polyethylene, P.T.F.E., polypropylene, polyvinyl chloride, polyvinylidene chloride or copolymers thereof.
Patent GB-355293-A (GB)
Title: Improvements in or relating to garment or laundry pressing machines
IPC: D06F71/40
Filed: 1930-05-21
Abstract: 355,293. Ironing presses. PROSPERITY CO., Inc., Beattie Street, Syracuse, New York, U.S.A.-(Assignees of Braun, P. N.; 139, Alanson Place, Syracuse, New York, U.S.A.) May 21, 1930, No. 15651. Convention date, May 22, 1929. [Class 138 (ii).] In an ironing-press of the type disclosed by Specifications 7759/08, [Class 138, Washing], 3703/12, 261,282, and 311,094, [all in Class 138 (ii), Washing, mangling, &c.], and comprising main pressing members 1, 2, Fig. 1, and supplementary pressing members 26, 29, there is provided a workholder 35 which coacts with the main buck 1 and works in the space between the main and supplementary pressing members. An additional workholder 34 coacts with an intermediate portion of the main buck and comprises a strap carried by front and rear arms 36, 37. The front arm comprises two horizontal portions 39, 40 connected by a portion 41 so that as the strap 34 is swung transversely of the buck the front arm clears the buck. The arms 36, 37 are carried by a shaft 38, Fig. 5, which carries a toothed segment 41 a and is rotatably mounted in a bracket 40a which is rotatable about a shaft 43. A tocthed quadrant 42 which meshes with the segment 41a is also mounted on the shaft 43 and is provided with an arm 44 which is pivoted to the rod 53, Fig. 1, of a piston which works in a cylinder 52. Admission of fluid pressure to the cylinder, which is controlled by a pushbutton 56 and released by a lever 57, rocks the quadrant 42 counterclockwise, Fig. 5, thereby swinging the work clamp 34 forwardly over the main buck 1, but out of contact therewith, until a stop on the rear arm 37 contacts with a fixed stop whereupon further rotation of the quadrant 42 moves the bracket 40a downwardly about the shaft 43 carrying the shaft 38 with it and thereby moving the strap 34 downwardly into clamping engagement with the main buck. Means are provided for locking the work clamp in its clamping position and for cushioning its return movement to inoperative position. The work clamp 35 comprises a plate which is secured to an arm 65 having an offset portion 66 and actuated by a piston and cylinder mechanism 66a, Fig. 1, in a manner similar to the work clamp 34. The fluid pressure to and from the cylinder 66a is controlled by a pushbutton 67 and release lever 68, and the press is actuated by fluid pressure controlled by pushbuttons 23 and a release lever 25.
Patent GB-130211-A (GB)
Title: Improvements in Connection with the "Rippling" or De-seeding of Flax and other Long-stalked Plants.
Inventor: LEITCH FREDERICK JOHNSTON
IPC: D01B1/12
Filed: 1918-09-26
Abstract: 130,211. Leitch, F. J. Sept. 26, 1918. Thrashing-machines.-The seeds of flax and other long stalked plants are removed by drawing the stalks through a slot 44. The slot is tapered, flared, or trumpet-mouthed, and the stalks are drawn down it at the same time as they are being pulled through it, so that the seeds are detached successively and only the tip of the stalk reaches the bottom of the slot. The slot 44, Fig. 1, when the stalk is held in the hand, is formed in a blade 43 mounted upon a box 41 to receive the seeds. The ends 45, 46 of the arms of the blade may be curved not merely in the plane of the blade, but also in a blade at rightangles. The stalks may be carried by belts 56, Fig. 3, running over a central driven drum 14. The slot is formed by two strips 62, 65 arranged at an angle to the direction of travel of the belts. The strip 62 is secured to brackets 58, 61, and the strip 65 is secured at one end to a bent arm 59 on the bracket 58, the other end being free and following the contour of the drum 14. The blades may be formed of a single strip of metal, bent at the centre, where it is secured to the bracket 58.
Patent GB-351681-A (GB)
Title: Whale line for use in the killing of whales and other sea animals by electricity
IPC: F42B30/14
Filed: 1930-05-21
Abstract: A whale line for electrocuting whales encloses an electric conductor which is wound or plaited round a rope or rubber core of the line. The conductor is insulated with aluminium oxide or other material which seals any fault in the insulation when the conductor is immersed in sea water.
Patent GB-947960-A (GB)
Title: Improvements in or relating to periodic permanent magnetic focusing systems for electron beam discharge tubes
IPC: H01J23/087
Filed: 1962-04-25
Abstract: 947,960. Travelling wave tubes. TELEFUNKEN PATENTVERIVERTUNGS G.m.b.H. April 25, 1962 [April 27, 1961], No. 15739/62. Heading H1D. A periodic permanent magnetic focusing system for an electron beam tube, preferably a travelling wave tube, comprises a plurality of similarly dimensioned coaxially spaced radially magnetized coaxial permanent ring magnets 1, 2 within a surrounding ferromagnetic housing 3 which has ferromagnetic end walls 4, each spaced from its nearest permanent ring magnet by a distance a so chosen as substantially to satisfy the equation where L is the period of the periodic focusing system and l M  is the thickness of each magnet. The invention is said to make the peak ampli. tude of the periodic focusing wave more constant along the length of the magnet system. The radial thickness of the ferromagnetic housing 3 and the axial thickness of the end plates 4 are equal but are such as to prevent the housing 3 and the end plates 4 from being saturated.
Patent GB-1163238-A (GB)
Title: Rivetting Tool for Mandrel-equipped Blind Rivets
IPC: B21J15/04
Filed: 1968-04-02
Abstract: 1,163,238. Blind riveting. HELFER & CO. K.G. 2 April, 1968 [26 April, 1967; 21 Oct., 1967], No. 15754/68. Heading B3U. A blind riveting tool comprises a rotary motor 4 which continuously drives a shaft 6 whose external threads 7 can be engaged by teeth 176 of a push-button slide 17 mounted for radial movement in a spring-biased retracting element 12 to which a collet 12b is fixed. The gripping end of the tool is conventional and the jaws are urged apart by thrust plate 10b biased forwards by a spring 10c The thrust plate has a blind mandrel receiving bore 10b<SP>11</SP> which either enter a bore in the shaft 6 or is supported by a bearing (22<SP>1</SP>), Fig. 3 (not shown), in the element 12. The element 12 is forwardly biased by a spring 11. The slide is held out of engagement by a ball 19 and the element prevented from rotation during engagement by the slide engaging in a slot 18 in the tool housing 1. Depression of the button 17a causes the teeth 17b to engage the shaft 6 and the element to be retracted as the teeth progress up the thread. The button is disengaged by a flange 8. The collet 12b forces the jaws 10a together to grip the mandrel. The broken stem of the mandrel is ejected by gravity through the nose of the tool when the tool is pointed downward. The motor 4 may be electric, hydraulic or pneumatic.
Patent GB-923666-A (GB)
Title: Improvements in or relating to fertilizers
IPC: C05B17/00
Filed: 1961-05-02
Abstract: Fertilizers are obtained by making dusty bone or horn meal in the natural, not pretreated state, into a paste with small quantities of fresh slaughterhouse blood until a crumbly mass is formed, which is stacked in heaps and is subjected to anaerobic fermentation so as to dry out the mass at elevated temperature and produce a crumbly non-dusty product.  Whole blood is preferably used in an amount of 5-25% based on the weight of the starting materials.  Fermentation may be effected at a temperature up to 70 DEG C. until the mass is dry.  Inorganic nitrogen and potassium salts such as potassium sulphate may also be added.
Patent GB-560167-A (GB)
Title: Improvements in or relating to ordnance
IPC: F41A35/04
Filed: 1940-10-28
Abstract: 560,167. Ordnance. BRISTOL AEROPLANE CO., Ltd., ERISE, L. G., and PONTING, R. Oct. 28, 1940, No. 15800. [Class 92 (ii)] A muzzle-shutter 11 for a gun 10 is moved to the open or closed position when the firing device of the gun is set to " ready " or " safe " by the operation of an additional safety device. As shown, the shutter is moved to open position by admitting air under pressure from pipe 25 and through a pipe 32 to a cylinder 21, when the safety-lever 27 is moved to the "ready" position 28. In this position the valve 26 is opened to actuate the shutter and apply pressure in the pipe line 29, 31 leading through a firing-button 30 to the trigger-motor 24. When the safety lever is returned to the " safe " position 27, a spring 22 acts on the., piston 20 in the cylinder 21 to close, the shutter. When the invention is applied to wing guns. for aircraft, the usual blast-tube surrounding the gun barrel is provided with a partition a hole in which.is closed by a.pivoted shutter. The shutters of two guns may be simultaneously, operated by a single piston-and-cylinder device, 21. In a modification, the valves 26, 30 are operated by solenoids included in an electric circuit containing a safety-switch and a firing- button.
Patent GB-1419924-A (GB)
Title: Panel comprising two parallel layers and a sandwiched core therebetween
IPC: E04C2/288
Filed: 1974-04-10
Abstract: 1419924 Laminated cement and plaster panels R BORTOLASO 10 April 1974 [16 April 1973] 15811/74 Heading B5N A constructional panel comprises an asbestos cement layer 1 and a plasterboard layer 2 having therebetween a core for heat and sound insulation comprising two foamed cement layers 3 and a compressed resin-bonded glass fibre mat 4, e.g. impregnated with phenol-formaldehyde resin. A reinforcing resin-impregnated glass fibre layer 5 having fibres extending from the surface may provide anchorage for the core. After the layer 3 have cured, the board 2 may be applied by a bituminous adhesive 6. Metal section members 7 may be provided for coupling adjacent panels and form a mould with the layer 1 for casting the cement layers 3.
Patent GB-883709-A (GB)
Title: A device for converting an angle of rotation into a binary number
Inventor: FIXA ZDENEK
IPC: H03M1/00
Filed: 1958-05-16
Abstract: 883,709. Electric selective-signalling systems. TESLA, NARODNI PODNIK. May 16, 1958, No. 15817/58. Class 40 (1). In a shaft-digitizer, Fig. 3, a plurality of discs V1, V2, V3 and V4 are geared together via 2 : 1 gearing, one revolution of disc V4 corresponding to eight revolutions of disc V1, and are so arranged with a further disc V0, geared to make two revolutions for each one of disc V1, to produce, on leads 0. 1, 2 and 3, a pure binary representation of the angular position of disc V4. The arrangement is such that each half-revolution of disc V0 causes a change by one unit in the pure binary output. Also the disc V0 is so arranged with a resistance bridge that when its wiper contacts its " 1 " segment points u and v on the bridge are positive and negative respectively whereas when its wiper contacts the " 0 " segment points u and v are negative and positive respectively, and leads 0-3 are positive when representing " ones " and negative when representing " zeros."