baber/WOPTO huggingface dataset:
Patent GB-148986-A (GB)
Title: Improvements in and relating to signal transmitting devices
IPC: G01S1/72
Filed: 1920-07-10
Abstract: 148,986. Signal Ges. Sept: 25, 1917, [Convention date]. Addition to 148,974. Determining distances acoustically. - Two or more signal transmitters, such as a wireless transmitter S1 and a submarine sound transmitter S2, are operated simultaneously by relays R1, R2 controlled by a common key T, or one of the relays may be cut out of circuit by moving a switch u, so that the key T controls one or other transmitter separately. Alternatively, the switch u may control the connexion of the lower supply lead A to the relay contacts, in which case the two relays may be combined in one.
Patent GB-728348-A (GB)
Title: Improvements in or relating to portable well servicing equipment
IPC: E04H12/34
Filed: 1953-07-28
Abstract: 728,348. Collapsible derrick masts carried on vehicles. MOORE CORPORATION, L. C. July 28, 1953 [Nov. 20, 1952], No. 20886/53. Class 78 (4). To permit both ends of the folded mast of a portable well servicing equipment to overhang the vehicle on which it is mounted, the mast is formed in two sections B, C connected by a hinge 16 at their rear ends, the lower section B being hinged at 14 to a structure A at the rear of the vehicle. When the mast is erected, Fig. 3, it is supported by a telescoping strut D connected to the rear end of one of the mast sections and by a toggle brace E staying the upper mast section C to which it is pivoted at 29 ; the strut D and brace E fold with the mast to the reclining positions shown in Fig. 1. The sections B, C are raised in succession by a line 35 operated by a winch 34. The line first draws a pulley 47 at the rear end of one of the sections towards a fixed pulley 48, over which the line passes, so raising the section B and the upper link 26 of the toggle brace E to the position shown in Fig. 2. The telescoping strut D is then locked by a pin 21, Fig. 3, passing through registering holes in its inner and outer components. Continued traction on the line 35 then draws the hinge 27 of the toggle brace E rearwardly so that the lower link 25 of the brace swings about its pivot 28 on the structure A and the upper section C of the mast moves to the position of Fig. 3. In the construction illustrated the links 25, 26 of the toggle brace E are of lattice construction and the upper link 26 straddles the upper section C of the mast. The line 35 passes from the winch 34 through a platform 1 on which the draw works and engine are mounted, under pulleys 48, 47 at one side of the mast to a pulley 45 at one end of the hinge 27 of the toggle brace. The line then passes parallel to the hinge of the toggle brace and around a further pulley on the opposite side of the brace to a pulley 47 on the opposite of the mast after which it is anchored to a clevis 49 transversely opposite the pulley 48. The toggle brace E is locked in its straightened position by bolts 31 passing through plates 32 extending from the ends of the links 25, 26 adjacent the hinge 27 and serving also to prevent the toggle brace from passing through its straightened position. When the mast is to be lowered the initial breaking of the toggle joint of the brace E is effected by a line 51 operated by a hand winch 52 mounted as shown in Fig. 1. The pulleys at opposite ends of the hinge 27 of the toggle brace may be replaced by a single central pulley.
Patent GB-967960-A (GB)
Title: Improvements in or relating to liquid mixing valve assemblies
IPC: A23G9/16
Filed: 1962-05-31
Abstract: 967,960. Dispensing liquids. L. BRUCCIANI. May 31, 1963 [May 31, 1962], No. 20943/62. Heading A4T. [Also in Divisions B1 and F2] In a valve assembly for mixing and dispensing a selected one of a plurality of flavour syrups with a neutral ice cream or the like, entirely separate flow paths are provided for each syrup in its passage through a valve body 1 and into an extrusion valve core 2 seated therein in which mixing is effected. As shown, the valve body 1 (see Fig. 9) comprises a passage 15 for ice cream and three pairs of inlet and outlet holes 20, 21 for the flavour syrups, the extrusion valve core 2 (see Fig. 14) being turnable in the valve body to bring an inlet aperture 29 and three conduits 24 therein into or out of registration with the passage 15 and all the outlets 21. A manually operable selector ring 3 (see Fig. 9) comprises three grooves 37 so spaced (see Fig. 7) as to permit flow of a selected flavour syrup through the corresponding pair of holes 20, 21 or to block the flow of syrup completely. Compressed carbon dioxide may be supplied through a further conduit 57.
Patent GB-517281-A (GB)
Title: Improvements relating to motor-vehicle chassis
IPC: B62D21/04
Filed: 1938-07-15
Abstract: 517,281. Motor vehicles. ALVIS, Ltd., and DUNN, W. M. July 15, 1938, No. 20988. [Classes 79 (ii) and 79 (iv)] The chassis comprises a central tubular frame 17 with transverse engine supports 11, 12 between the front and rear wheels, a propeller shaft 19 within the tube conveying the engine drive from the vicinity of the front support 11 to front and rear differential gears 20, 21 and independent suspension means for the front and rear wheels. In the construction shown the engine.27 is arranged as described in Specification 517,282, and drives the front and rear wheels through a gear-box 16, a gear train 15, and the propeller shaft 19. Reversing gear may be provided either in the change-speed gear-box 16 or in the gear train 15. The supports 11, 12 as a whole are preferably nearer the rear wheels 13 than the front-wheels, The frame tube 17 comprises two tubes 29, 30 having flanges 32 welded thereto and secured by bolts 33 to a gear casing 31 enclosing the gear train 15. The ends of the frame tube are connected to the road wheels by means of upper transverse springs 23, secured to the differential casings, and lower wishbone links 25. The hingeing of the free ends of each link is preferably effected as described in Specification 517,292, [Group XXXII]. The engine cooling is effected as described in Specification 517,280.
Patent GB-354031-A (GB)
Title: Improvements in or connected with electric switches
IPC: H01H13/58
Filed: 1930-07-11
Abstract: 354,031. Mechanical switches without quick action ; snap-action switches ; contacts. REID, L. H., 32, Victoria Street, London. July 11, 1930, No. 21029. [Class 38 (v).] In switches in which a moving contact enters between and forms a conducting bridge between two fixed contacts, the latter are pressed towards each other by springs. In the form shown in Fig. 3, a rectilinearly-moving hand-operated plunger 3 carries a conducting ring 5 adapted to be inserted between two spring contacts 7 which are pressed towards each other by springs 10. In the form shown in Fig. 5, the rectilinear movement of the plunger 3 carries a spring member 17 over dead centres, thereby operating with a snap action a U-shaped contact member 13 pivoted on a post 12. The member 13 carries an insulating roller 14 through which passes a pin 15 constituting the contact, and the two ends of the pin 15 engage the fixed contacts 7 that are pressed towards each other by springs 10. In both these forms of switches, the rectilinear movement of the spindle rotates an indicating disc in the manner set forth in Specification 321,502, [Class 38 (v), Electric switches &c.].
Patent GB-381630-A (GB)
Title: Improvements relating to lawn mowers
IPC: A01D34/42
Filed: 1931-07-23
Abstract: 381,630. Lawn-mowers. WEBB & CO., Ltd., H. C. and TAYLOR, F. W., Tame Road, Witton, Birmingham. July 23, 1931, No. 21052. [Class 6 (ii).] A lawn-mower comprises a pair of sideplates a, a cross-piece b of curved cross section carrying at its lower edge the fixed blade d and serving also as the grass - thrower, bolts c for securing the. ends of the cross-piece b to the inner sides of the plates a, and a pair of transverse tie-bars f, g situated at the front and rear ends of the side-plates. The rotary cutter e is driven from the rear roller h by the chain j and is carried by adjustable arms n which are pivoted at s and pass through gaps in the cross-piece b. Specification 154,412, [Class 6 (ii), Gardening &c. appliances], is referred to.
Patent GB-749318-A (GB)
Title: Improvements in or relating to arrangements for supplying direct current
IPC: H03B5/18
Filed: 1953-07-29
Abstract: 749,318. Voltage modifying arrangements; supply systems for space discharge apparatus. GENERAL ELECTRIC CO., Ltd., FRANCEY, J. L. A., and KIRKNESS, R. H. July 29, 1954 [July 29, 1953], No. 21100/53. Class 38 (4). A D.C. voltage which varies abruptly and periodically between values 19-21 and 19-23, Fig. 2(d), more particularly for application to the reflector electrode 5, Fig. 1, of a reflex klystron 1 to obtain intermittent oscillation thereof, is obtained from oppositely-phased square voltage waves supplied from a source 9 in push-pull over condensers 11, 12 to rectifiers 6, 7 connected across the load circuit, as shown. The square voltage waves may be generated by the bi-stable multi-vibrator circuit of Fig. 3, which is triggered from one state to the other by pulses applied over condensers 32, 34. The voltage level 21 may be controlled by a valve 35.
Patent GB-499667-A (GB)
Title: Improvements in inspection covers for internal combustion engines and other prime movers
IPC: F02B77/13
Filed: 1937-07-30
Abstract: An inspection cover for machinery comprises a skeleton of metal embedded in a layer of rubber, the skeleton extending into, and being parallel to a flange forming a packing face.  The skeleton may be formed of strips round which the rubber is moulded, or it may be of perforated sheet or of wire mesh coated by dipping.  The metal skeleton may be replaced by one of another material such as "Bakelite" (Registered Trade Mark).
Patent GB-579429-A (GB)
Title: Clutch
IPC: F16D11/14
Filed: 1943-12-16
Abstract: 579,429. Clutches. BENDIX AVIATION CORPORATION. Dec. 16, 1943, No. 21146. Convention date, Feb. 13. [Class 80 (ii)] A claw clutch comprises a pair of dogs 13 on one member 10 which are adapted to be moved into engagement with either slots 17, 19 or 18, 20 of member 11. The alternate surfaces 22, 25, 23, 24 of member 11 are made high and low respectively to facilitate rapid and positive engagement in either direction of rotation and the width of these surfaces is made substantially wider than the width of the recesses. Specification 23,165/02, [Class 80], is referred to.
Patent GB-761661-A (GB)
Title: Improvements in or relating to electrical circuit current limiting devices
Inventor: WYBORN RONALD CARLTON
IPC: H01H75/06
Filed: 1953-07-31
Abstract: 761,661. Electromagnetic switches. MECCANO, Ltd. July 5, 1954 [July 31, 1953], No. 21226/53. Class 38(5) The resistance wire 4 of an inductance current-limiter is wound on the lower limb of a laminated U-shaped core or, as shown, over the operating winding on the other limb. The ends of the limbs are inclined at 1a, 1b to co-operate with an armature 12 carried on one, 9, of a pair of spring blades 9, 10, carrying contacts 11a, 11b which normally short-circuit the resistance 4 but separate after a predetermined travel of the armature, to insert the resistance, which acts as a reinforcing winding to assist retention of the armature. An indicator bell or lamp may also shunt the contacts. The natural period of the moving system is such as to preclude operation by transients. A phosphor-bronze strip 14 enables the operating current to be preset. A copper slug may be fitted on the lower limb to delay opening.
Patent GB-469283-A (GB)
Title: Improvements in or relating to secondary emission electron multipliers
IPC: H01J43/20
Filed: 1936-07-31
Abstract: 469,283. Electron multipliers. GENERAL ELECTRIC CO., Ltd., and ALDOUS, W. H. July 31,1936, No. 21232. [Class 39 (i)] A three or more stage multiplier of the type in which the stream is guided from one target electrode to the next by a magnetic field and in which a series of electrodes associated with the targets produces fields withdrawing the electrons from the target comprises at least two targets arranged back to back' so that their outward facing surfaces receive and transmit the stream. As shown, a multiplier comprises eight targets 1, 2, 3 ... 8 and eight withdrawing electrodes 1<1>, 2<1>, 31 .... 8<1> of which 1<1> is connected to the target 2 and so on, the electrodes 4<1>, 51 having flanges 9, 91. The cathode 1 may be photo-electric or thermionic.
Patent GB-272153-A (GB)
Title: Ornamental surface coverings
IPC: D06N7/00
Filed: 1926-08-28
Abstract: 272,153. Sloane Manufacturing Co., W. & J., (Assignees of Tomec, J.). June 1, 1926, [Convention date]. Flooring blocks; compound or composite blocks. -An ornamental surface covering, such as linoleum in imitation of tiling, comprises an integral mass simulating tiles with mortar therebetween, the exposed surfaces of the tile areas projecting beyond the mortar areas. Preferably the edges of the tile parts project beyond' and overlie the mortar areas. The material is made by applying to a backing sections of composition of different thicknesses to represent the tiles and the mortar, and applying heat and pressure to consolidate the whole and cause the thicker sections to spread. To the backing 10, Fig. 2, of burlap or the like are applied narrow sections 12 of linoleum stock to represent mortar, and sections 14, thicker than the sections 12, to represent tiles. The material is then placed in a mould where it is subjected to heat and pressure to vulcanize the whole to an integrad mass. The pressure causes the edges of the sections 14 to overlie the sections 12, as at 16, Fig. 3. The sections may be bevelled at the edges, as shown in Fig. 4.
Patent GB-941049-A (GB)
Title: Para-acid amido or imido phenylmethyl carbamates and parasiticides containing them
IPC: A01N47/22
Filed: 1961-06-13
Abstract: The invention comprises compounds of the formula <FORM:0941049/C2/1> wherein R is H or C1-4 alkyl, R1 is H, CH3 or C2H5 m is 1 or 2 and YZN is a C1-8 acid amido radical or a C4-8 acid imido radical. The compounds are formed by reacting the amino-phenol with an acid or acid anhydride and reacting the intermediate amido- or imido-phenol thus obtained with methyl isocyanate.  A number of suitable starting materials are listed, and examples are given.ALSO:Parasiticidal compositions comprise compounds, in combination with solid carriers, e.g. bentonite, talcum or chalk, or liquid carriers, e.g. as dispersions of the formula <FORM:0941049/A5-A6/1> wherein R is H or C1-4 alkyl, R1 is H, CH3 or C2H5, m is 1 or 2 and YZN is a C1-8 acid amido radical or a C4-8 acid imido radical.
Patent GB-463403-A (GB)
Title: Improvements in and relating to the preservation of eggs
IPC: A23B5/015
Filed: 1935-07-27
Abstract: 463,403. Preserving eggs. DOYLE, J. D., and DOYLE, M. K. July 27, 1935, No. 21357. [Class 49] Eggs are preserved by directly contacting with means connected with a source of alternating, direct or intermittent electric current so that a current is passed through each egg, the eggs being immediately thereafter treated with a sealing compound to seal the pores, and the hair cracks if any. In an example, the eggs E collected as soon after laying as possible are arranged on a tray &c. A of conducting material connected to one terminal B of an electric current source, the other terminal C of which is connected to a brush &c. D which is passed over the eggs. The brush has an insulating handle G. In a modification, the brush D is fixed and the tray A movable. In either form, the operation may be by hand or by mechanical means. A resistance H may be employed in the circuit. An electric current of 220 volts, 50 cycles may be used. The subsequent sealing may be obtained by applying by spraying, dipping, &c. a compound consisting of 1 part by volume of celluloid and 7 parts of equal volumes of amyl acetate and acetone. A germicide, e.g. 0À1 part of oil of creosote may also be added.
Patent GB-616265-A (GB)
Title: Improvements in or relating to hydraulic apparatus
IPC: F16K11/07
Filed: 1945-08-22
Abstract: 616,265. Valve gear for hydraulic apparatus. DENISON ENGINEERING CO. Aug. 22, 1945, No. 21504. Convention date, July 19, 1944. [Class 69 (ii)] A valve mechanism for controlling the admission and exhaust of pressure liquid to both sides of a power piston forming a power unit of a press &c. is in part actuated by the pressure of the liquid exhausted from one side of the piston to cause the piston to reciprocate continuously. Ports 34 and 32 lead to the upper and lower ends of the power cylinder respectively, port 33 is connected to the pressure liquid supply, and ports 31 and 35 to exhaust. A valve barrel 42 having ports is mounted in the housing and is urged to its lowest position by a spring 58. Mounted within the valve barrel 42 is a shuttle valve 45 that is urged downwards by a spring 53. In the position shown in Fig. 2, pressure liquid can pass from the port 33 to the port 32 and the port 34 is connected to the exhaust port 35 so that the power piston moves upwards. Near the top of its stroke, a member carried by the power piston abuts the member 61 and raises the valve barrel 43 and the ports 57 in the valve barrel 42 are opened to the inlet port 33 so that pressure liquid flows through the grooves 55 in the shuttle valve to the chamber 44 beneath the valve and raises it so that pressure liquid passes to the port 34 via ports 48, 49 and is exhausted from port 37 via ports 46, 70; the ports 70 provide a restricted flow. The power piston is moved downwards and the valve barrel 42 is lowered by the spring 58, but the upper and lower ends of the power cylinder continue to the connected inlet and exhaust respectively. The lower shuttle valve head 45b has slots 71 providing a restricted flow between the chambers 44 and 69 and this flow is also controlled by the exhaust pressure in the space 69 before the throttle port 70. When the power piston stops, e.g. reaches the work in a press, the exhaust through port 32 ceases and liquid in chamber 44 escapes through the ports 71 and the shuttle valve is lowered by the spring 53 and the valves regain the position shown in Fig. 2 when the cycle is repeated. Specification 617,160 is referred to.
Patent GB-429862-A (GB)
Title: Improvements in or relating to aeronautical propellers
IPC: B64C11/04
Filed: 1934-07-23
Abstract: 429,862. Screw propellers. VEREINIGTE DEUTSCHE METALLWERKE AKT.-GES. ZWEIGNIEDERLASSUNG HEDDERNHEIMER KUPFERWERK, Heddernheim, Frankfort - on - Main, Germany. July 23, 1934, Nos. 21556 and 21557. Convention dates, July 25, 1933 and May 29, 1934. [Class 114] An airscrew whereof the blades are formed of a light metal alloy containing magnesium and a hub of another metal such as steel is provided between the blade shanks and the hub sockets with an interchangeable intermediate layer of a material which obviates electrolytic corrosion of the blade shanks. The intermediate layer may consist of an insulating material which is also elastically resilient such as fibre or rubber. When the intermediate layer is a light metal alloy containing magnesium, the magnesium content is preferably lower than that of the blades. The intermedate layer takes the form of a sleeve or ring 4 or may be in the form of a conical ring.
Patent GB-375588-A (GB)
Title: Improvements in or relating to change speed gears
IPC: B62M25/00
Filed: 1931-07-28
Abstract: 375,588. Change-speed gearing. FICHTEL & SACHS AKT.-GES., 22, Schultesstrasse, Schweinfurt-on-Main, Germany. July 28, 1931, No. 21579. Convention date, July 30, 1930. [Class 80 (ii).] Change-speed gearing comprises central driving-gears 12, 13 of different diameter adapted to be connected alternatively to a concentric internally-toothed driven wheel 11 by disengageable trains of intermediate gears. Idle gears 22, 23, Fig. 4, are supported on a fixed casing sector 21, Fig. 1, in mesh with the gear 11 and in the planes of the gears 13, 12, respectively. Gears 24, 25 in mesh with the gears 13, 12 are supported in a swinging casing sector 26. As shown in Fig. 4, the train 12, 25, 23, 11 is operative. By swinging the sector 26 to the left, a different speed becomes operative. The gearing may be duplicated to yield four speeds driving from four central gears of different diameters. The application to a motor cycle drive is shown in Fig. 1. The central gears 12, 13 are connectible to an engine shaft 9 by a plate clutch 14, and the annular gear 11 drives a sprocket 10.
Patent GB-359031-A (GB)
Title: New or improved oxychloride composition
IPC: C04B9/00
Filed: 1930-07-17
Abstract: An oxychloride composition capable of being moulded or used as a cement, consists of an oxide of an oxychloride-forming metal, the sulphate of the metal, calcium chloride, and an albumenoid such as casein, with or without pigments, dyes, fillers, &c. Suitable proportions are 111 parts by weight of fused calcium chloride, 120 parts of magnesium sulphate, or 246 parts of Epsom salt, 250 parts of calcined magnesite, and 10 parts of casein, 204 parts or less of water.
Patent GB-316013-A (GB)
Title: An improvements in or relating to brake-operating mechanism for vehicles
IPC: G05G5/16
Filed: 1928-07-27
Abstract: 316,013. Jaggar, H. July 27, 1928. Hand actuation. - Means for locking a brake - operating or similar lever b in the operative position comprises a wedge member e adapted to slide between a fixed bracket or bar a and a bar &c. d pivoted at a<1> to the bracket a, a projection e<1> on the wedge being pressed upon by a finger f<1> on a member f, which is pivoted at g to the lever b and is acted upon by a tension spring h, so that when the lever is moved to the operative position shown in dotted lines, the wedge is carried with it and locked in adjusted position by the upward pivotal movement of the bar d. The wedge e is retained laterally by a link n and on the other side by the lever b, and bosses k, k<1> carried by the lever ride respectively on the upper surface of the bar and on the upper edge of a segmental slot m. To release the brake, the lever b is eased forward slightly to relieve the pressure on the wedge e, and the latter is released by means of a hand-grip i acting through a link i and the pivoted member f, which is provided with a second finger f<2> to engage a projection e<2> on the wedge. In a modification, the pivoted member f is replaced by a spring-urged sliding member having inclined surfaces to engage the projections e<1>, e<2>.
Patent GB-636620-A (GB)
Title: Improvements in or relating to attenuation equalizers
IPC: H04B3/14
Filed: 1947-08-07
Abstract: 636,620. Impedance networks. WESTERN ELECTRIC CO., Inc. Aug. 7, 1947, No. 21762. Convention date, April 7, 1943. [Class 40 (viii)] A variable attenuation equalizer interposed between a source E of impedance Zs and a load of impedance Zr, comprises a bridged T network having a resistor R at one end and terminated by a variable impedance N1 and R1 at the other end, the product of the bridging impedance Z1 and the shunt impedance Z2 being equal to the square of the resistance R0 in one of the series branches. As shown, N1 is a building-out network with a variable resistor R1 associated therewith and part of a series arm may consist of a similar network N2 and resistor R2. The equalizer may be connected in shunt with the source and load instead of in series and impedance N2, R2 may be replaced by an impedance having a frequency-dependent characteristic. Equalizers may also be formed by combining the series and shunt circuits given above or connecting two series circuits in tandem. Double regulation over two frequency ranges can be thus effected.