baber/WOPTO huggingface dataset:
Patent GB-279222-A (GB)
Title: Improvements relating to belt pulleys
IPC: F16H55/46
Filed: 1926-09-18
Abstract: 279,222. Ablett, C., A. Sept. 18, 1926. Securing pulleys on shafts.-In a split belt pulley, the boss fits the shaft only at its outer ends, and each boss section has a recess r into which may engage pins also engaging in and preventing axial and rotary movement of the half bushes used to adapt the pulley to shafts smaller than the normal.
Patent GB-155895-A (GB)
Title: Improvements in or relating to the treatment of peat
IPC: C10F5/04
Filed: 1919-09-20
Abstract: 155,895. Macdonald, D. B., and Densifiled Peat Fuel & Products, Ltd. Sept. 20, 1919. Peat, preparing.-Blocks of peat are prepared by pulping and reducing peat in a natural or wet condition to a homogeneous mass, then compressing it to dispel the air contained therein, cutting the mass into blocks and drying them. The compression may be effected bv forcing the peat through a reduced aperture. Drying may be carried out in a hot air chamber or a hot chamber filled with steam, care being taken to prevent cracking of the surfaces of the blocks. Reference has been directed by the Comptroller to Specifications 1216/73, 3536/77, 6704/87, 25627/97, 2859/01, and 6153/02.
Patent GB-1152485-A (GB)
Title: Sealing Means In Rotary Piston Internal Combustion Engines
Inventor: SABET HUSCHANG
IPC: F16J15/34
Filed: 1966-05-24
Abstract: 1,152,485. Rotary piston internal combustion engine. H. SABET. May 24, 1966 [May 26, 1965], No.23220/66. Heading F1F. In a rotary piston engine sealing means between relatively movable engine parts comprises a gapped sealing ring 12, Fig. 2, mounted in a groove 20 in one part and formed with a narrow sealing lip 15 sealing by engaging another part and a thrust ring 18 mounted in the groove having abevel face on its outer periphery urged by a plurality of pocketed springs 21 spaced around the ring 18 against a complementary bevel face 17 on the inner periphery of the ring 12. The outer peripheries of the ring 12 and groove 20 may be bevelled as shown, or perpendicular to the sealing faces. The rings 12, 18 are formed with recesses which coact with projections in the groove to prevent the rings turning. Applied to a rotary piston I. C. engine having two pairs of pistons rotatable in an annular working chamber, with one pair rotating at uniform speed and the other pair at non-uniform speed to provide variable volume chambers the seals are provided between the inner side faces of the casing and the outer side faces of a carrier on which one pair of pistons is mounted and between the inner side faces of this carrier and the outer side faces of another carrier which bridges the first carrier and on which the other pair of pistons is mounted. The thrust ring 18 is preferably ungapped but may alternatively be gapped.
Patent GB-964380-A (GB)
Title: Electronic counters
IPC: H03K29/00
Filed: 1962-06-15
Abstract: 964, 380. Electronic counters. BURROUGHS CORPORATION. June 15, 1962 [July 10, 1961], No. 23237/62. Heading G4A. [Also in Division H3] An electronic counter including a magnetron beam switching tube having a cathode 14 and a plurality of groups of electrodes, each forming a position to which an electron beam may flow, and each comprising a spade electrode 16, is characterized by clamps, e.g. diodes 50, coupled to each spade to clamp the spade to a normal potential except when an electron beam is flowing to it, the clamps allowing a large leakage current to flow to the leading spade adjacent a position to which a beam is flowing. The circuit is further characterized by a voltage supply V ss  for rapidly returning a spade to its normal potential after an electron beam has left it. As described with reference to Fig. 1, switching from one position to the next is effected by a flipflop 46, the antiphase outputs of which are connected to alternate trigger electrodes 20. Rapid return of a spade to normal is ensured by the use of a high voltage source V ss  and a large resistor 58, constituting a constant current supply. In an alternative arrangement, Fig. 4 (not shown) the trigger electrodes are connected to earth; and the antiphase flipflop outputs are connected to alternate spade electrodes.
Patent GB-951126-A (GB)
Title: Improvements in warning devices for use with three-phase electrical systems
Inventor: SCHNEIDER FREDERICK EDWARD WIL
IPC: H02H3/253
Filed: 1961-07-03
Abstract: 951,126. Protective systems; rectifying. ENGEL & GIBBS Ltd. Oct. 2, 1962 [July 3, 1961], No. 23946/61. Headings H2F and H2K. Failure of any phase of a threephase supply system 10-12 reduces the sum of the rectified outputs of the three secondary windings 17-19 of a transformer 13, thus reducing the temperature of a contact thermometer 40 to open its contacts 41, 42 and break the circuit of a relay 43, thus to energize a warning device 49. In a modification, the thermometer contacts are alternatively connected across a lamp which is in series with a supply and a resistor. The thermometer normally shunts the lamp but on phase failure the lamp is illuminated.
Patent GB-235580-A (GB)
Abstract: 235,580. National Cash Register Co., (Assignees of Robertson, W. H.). June 13, 1924, [Convention date]. Hammer-impression arrangements.-In a cashregister the impression hammer 160 pivoted at 161 is maintained in the cocked position by a latch 162 taking under a flatted pin 164 on the hammer. A pitman 170 pivoted to the lever 168 has a flatted pin 174 which in the downward stroke of the pitman depresses the latch to free the hammer but is then engaged by pin 164 until in the return stroke complete release occurs and the hammer strikes. The spring 165 for effecting the blow is connected to the latch and to a lever 176 pivoted at 161 and bearing by means of a pin 180 on a heel of the hammer. The lever 176 is stopped by a pin 177 to allow impression by momentum and the hammer is withdrawn from the type by a spring 178 and is eventually restored to cocked position by engagement of pin 1'74 with the heel of the hammer. Line-spacing mechanism. - According to the Specification as open to inspection under Sect. 91 (3) (a), the record strip 123, passing from the supply roll 124 to the type segments 131 over the writing table 187 and around guide rollers 128, 129 to the winding-on roll 183 is fed for linespacing bv a reciprocated pawl 182 the effective stroke of which is curtailed by a stationary throwoff pin 185. Guide rollers 128, 126 for the strip are carried by a lever 189 rocked by link 191, lever 168, and link 167 from the main shaft 58 so as to bring the next item space from the writing table to the printing line and then to restore the strip. The lever is limited in its return movement by an eccentric collar on shaft 125, the collar being rotatable for adjustment of the strip. This subject-matter does not appear in the Specification as accepted.
Patent GB-424583-A (GB)
Title: Improvements in pipe tees and junction pieces for use therewith
IPC: F16L13/08
Filed: 1933-08-24
Abstract: 424,583. Pipe tees. CORNELL, E. S., 21, Orsini Drive, Larchmont, New York, U.S.A. Aug. 24, 1933, No. 23570. Convention date, March 10. [Class 99 (i)] A pipe tee has unthreaded inner and outer faces of uniform diameter at its opposite ends and its branch 24, and a screw-threaded adapter 25, or a reducer 22 or an elbow is sweated into or onto the branch. Various combinations of reducers, adapters, &c., may be employed to connect by sweated joints the openings of the tee to pipes and fittings.
Patent GB-722376-A (GB)
Title: Improvements in or relating to hoists
IPC: B66B9/187
Filed: 1952-09-19
Abstract: 722,376. Guided platform hoists. BRITISH HOIST & CRANE CO., Ltd., and EVANS, P. N, Sept. 18, 1953 [Sept. 19, 1952], No. 23579/52. Class 78 (3). In a guided platform hoist, at least one of the guide rails has a telescopic length enabling a part of the rail to be removed without removal of the parts thereabove. The guide rails 12 each consist of a series of tubes joined by double spigot members 13 secured to scaffold members 16, 18, and are supported at their lower ends by screw jacks 24, 26 and a channel-section baseplate 22. Each jack comprises a non-rotatable screw 24 and a rotatable sleeve 26 which is threaded at 28 and bored at 27 to form a sliding fit on the lower spigot 14 of the lowest member 13. With the sleeves at the tops of the screws, as shown on the right-hand side, the sleeves form part of the guide rails, but when the sleeves have been screwed down on the screws as shown on the left-hand side, gaps are provided in the rails to permit insertion and removal of the platform (not shown) on the guides without disturbing the remainder of the structure. In a modification (not shown) one rail only is provided with a jack.
Patent GB-186593-A (GB)
Title: Improvements relating to oil supply systems
IPC: F01D25/20
Filed: 1922-08-31
Abstract: 186,593. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Schmidt, H. F.). Sept. 30, 1921, [Convention date]. Fluid relays. - In a dual-pressure oil-supply system for turbines, the whole of the oil is fed to the system at a relatively low pressure from a sump, a part of the oil in the system being fed to the bearings without further increase in pressure, while the remainder of the oil is raised to a higher pressure and is fed to a governing oilrelay system. Oil draining into the sump 15 from the bearings 11, 12 of a steam turbine through pipes 16, 17, and from the relay system through a pipe 18, is supplied at low pressure to a pipe 24 which branches to the bearings by pipes 27, 28 and to a rotary pump 30 on the main shaft by a pipe 29. The pump 30 supplies oil at increased pressure to the relay system through a pipe 31. The oil is supplied to the pipe 24 by a rotary pump 19 driven by a motor 21 controlled by a switch 23. A rotary pump 20, driven by a small turbine 22, is arranged to assist the pump 19 if the pressure in the pipe 24 falls below a predetermined amount, the turbine 22 being controlled by a valve 35 operated by a spring-pressed piston 32 in a ellinder 33 connected to the pipe 24. A whistle 36 is sounded when the valve 35 is opened. The pipe 29 may deliver oil into a reservoir 37, Fig. 2, connected to the intake of the pump 30, excess oil flowing through a pipe 38 to the pipe 17.
Patent GB-226599-A (GB)
Title: Improvements in or relating to fasteners for stair carpets and the like
IPC: A47G27/06
Filed: 1923-09-22
Abstract: 226,599. Johnson, C. E. Sept. 22, 1923. Stair-carpet fasteners.-A pair of plates hinged together are adapted to secure the carpet, at its edges, to the tread and riser of the stair. In the form shown in Fig. 4, a plate 1, which may have a depending flange 2 to embrace the edge of the carpet, carries a spike 3 which passes through the carpet into the stair tread. Hinged to this plate is another plate 4 with a base plate 5 having a spike 6 for attachment to the stair riser, the carpet being retained between the plates 4, 5. In the modification shown in Fig. 5, a base plate 12 carries a hinged spiked top plate 14, the carpet being inserted between the plates and held in place by the spikes 15 which pass into the tread. A back plate 19 hinged to the base plate secures the carpet against the riser by means of the spike 13. If desired the securing spikes may pass into sockets let into the woodwork instead of into the wood itself. The plate lying against the riser may, ii desired, be formed identical with the plate lying on the tread.
Patent GB-888841-A (GB)
Title: Optical sighting instrument
Inventor: STRANG JOHN MARTIN
IPC: G02B23/18
Filed: 1957-07-27
Abstract: 888,841. Optical sighting instruments. BARR & STROUD Ltd. June 16, 1958 [July 27, 1957], No. 23861/57. Class 97(1). An optical sighting instrument of the periscope type capable of viewing the space on both sides of an obstruction comprises two viewing apertures laterally spaced in a viewing plane, coaxial telescopes in the viewing plane, an eyepiece between the telescopes and a reflector combination having a line of separation which passes through the common telescope axis perpendicular to the viewing plane so that, at a predetermined range, two part images of an object meet in complementary disposition at said line of separation to form a complete image of the object. As shown in Fig. 1, light beams from an object enter viewing windows 2 and are deflected by adjustable prisms 3 through telescopes 5, 6, 7 to internally reflecting prisms 4 having their apices along a line which is perpendicular to the viewing plane and passes through the common axis 12 of the telescopes. Part-images formed by the telescopes at the prism surfaces thus appear side by side when viewed through an eyepiece 8 and merge to form a single image of the object when the end prisms have been adjusted to the range of the object by screws 10 bearing range scales 13. In a modification the range-finder is set to the correct range by moving optical wedges along the telescope axes. By inverting the end reflectors and the prisms 4 the observer may view an object located behind him.
Patent GB-373502-A (GB)
Title: Improvements in or relating to gas-engines
IPC: F02D9/00
Filed: 1931-08-26
Abstract: 373,502. Gas engines ; regulating. SCHWEIZERISCHE LOKOMOTIV- & MASCHINENFABRIK, Winterthur, Switzerland. Aug. 26, 1931, No. 23985. Convention date, Aug. 28, 1930. [Classes 7 (ii) and 7 (vi).] In gas engines operating with rich gases, regulation of the gas supply is facilitated by first diluting the gas with a small amount of air insufficient to form an explosive mixture, the amount of this mixture admitted being varied by the governor, and the main supply of air being added subsequently. The gas enters past a valve 6 and the preliminary air past a valve 7, the mixture entering past a mixing-valve 8, passage 9, and the main valve 3, 4. Main air is admitted by a separate conduit 28. The valve 7 is adjustable on the stem to vary the proportions of gas and preliminary air, and the amount of this mixture admitted is varied by the governor 14 adjusting the lift of the valves 6 and 7 through a lever 10, a further connection 11, 12, 13 adjusting a throttle 5 in the main air supply. Fig. 2 shows means for varying the action of the governor 14 on the valves 6, 7 according to the calorific power of the gas in use, the lever 10 being connected to an arm 19 adjustable along a slotted lever 23, pivoted at 25 and engaging the valve stem 27.
Patent GB-696540-A (GB)
Title: Improvements in and relating to the manufacture of heterocyclic compounds
IPC: C07D281/16
Filed: 1952-02-15
Abstract: The invention comprises compounds of the formula <FORM:0696540/IV (b)/1> where R is an aryl or heterocyclic radical, and salts and quaternary compounds thereof; the nuclei A and B and the group R may contain substituents which are unaffected by phosphorus oxides, halides and oxyhalides, e.g. halogen, nitro, cyano, alkoxyl or alkylsulphonyl.  The compounds are made by oxidation of the corresponding compounds having -S- in place of -SO2- (see Specification 696,473).  In an example 5-phenyl-2 : 3 : 6 : 7-dibenz-1-thia-4-azacycloheptatriene is oxidized to the cyclic sulphone by treatment with hydrogen peroxide.
Patent GB-443212-A (GB)
Title: Improvements in the forming of paper boards
IPC: D21J1/00
Filed: 1934-08-20
Abstract: 443,212. Making boards from paper pulp. WILSON, R. P., and SMITH, E. R., 52, Grosvenor Gardens, Buckingham Palace Road, London. Aug. 20, 1934, No. 24010. Addition to 420,970, [Group V]. [Class 96] Apparatus for forming boards &c. comprises two relatively movable platens enclosing a space for receiving paper pulp which is formed as a layer i, by suction, on a sieve e of one platen and compressed by and transferred to a flexible surface of a plate &c. g carried by the other platen f. Further layers are formed and superposed to build up the desired thickness whereupon the lower platen f, and plate g of metal &c., covered with rubber, rubber and felt &c. h, is moved upwards by a ram, and locked in position by catches l. High pressure air or water is then admitted into a bag or bags k to express water &c. from the pulp. The boards may be embossed or corrugated. The apparatus is provided with valves and regulating means operated by hand or automatically, as described in the parent Specification.
Patent GB-163728-A (GB)
Title: Improvements in telephone transmission systems
IPC: H04M9/00
Filed: 1919-10-02
Abstract: 163,728. Marks, E. C. R., (Macfarlane Communications Corporation). Oct. 2, 1919. Telephone systems; party-line systems. - The substation transformer winding J, Fig. 2, in the eircuit of the transmitter D, is given a large number of turns compared with normal practice; it may, for example, have the same number of turns as the winding K in the circuit of the receiver F. An equivalent arrangement is obtained by connecting the transmitter and receiver to the highwound windings of two ordinary transformers, the low-wound windings of which are connected together, as shown in Fig. 3. In the arrangement shown in Fig. 4, there is an additional high-wound winding connected to line. In the local battery system shown in Fig. 3, the call-bell 27 at one station is rung by the generator 14 at the other station. When the switch-hooks 8 are lifted, the receivers 37 are bridged across the line and local circuits are closed for the transmitters 3, which transmit current-fluctuations to line through the transformers 5, 28, 29, 32. In the common-battery system shown in Fig. 4, the lifting of the receiver 62 ab any station connects ground to the line wire 55 through the winding 57 and transmitter 59, energizing the indicator 52 at the central station. The central station can ring the call-bell 88 of any wanted station by putting alternating current across the line. The transmitters 59 of two conversing stations are supplied by the central battery 50, and transmit current-fluctuations to line through the transformer windings 57, 69, 72, 73, the receivers being affected through windings 73, 72, 81. In the system shown in Fig. 6, for telephoning to trains, the wayside instruments and the instiuments on the train are connected to high-wound windings 201. 203. 204 which are coupled together through windings 200, 202 consisting of a few turns of very thick wire. The wayside winding 200 is in series with the train winding 202 n a circuit including the rails 205, 206, bridging conductor 207 and train wheels 208, as described in Specification 166,268.
Patent GB-705032-A (GB)
Title: Improvements in and relating to photographic cameras with automatic film-feeding means
IPC: G03B19/04
Filed: 1951-10-17
Abstract: 705,032. Photographic roll-film cameras. BERNING, H. H., [trading as ROBOT BERNING & CO.]. Oct. 17, 1951 [Oct. 18, 1950, Nov. 4, 1950], No. 24208/51. Class 98(1) A camera for perforated film with film-feeding means actuated by a spring motor comprising spring housings arranged side-by-side which are rotated by their springs and which are geared together is characterized in that the spring motor is accommodated in a space in the camera housing formed beneath the film guide and exposure gate between walls parallel to the top of the camera bounding the bottoms of the chambers for the takeup spool and the supply cartridge which is wider than the take-up spool and the bottom of which extends below that of the spool. The film feeding means is released by the shutter at the end of an exposure and is adapted to feed a fresh frame length only each time. The back cover of the camera is formed with a stepped flange sealing the film chambers and exposure gate, the motor being outside this light-tight housing. As shown, between the camera bottom and the bottom of the lighttight housing for the exposure gate and take-up spool is mounted a spring motor comprising three spiral spring housings 13, 14, 15 geared together and meshing gears 16, 17, 18 on the spring tensioning shafts whereby the springs may be wound simultaneously by means of a key 19 engaging the gear 16. A gear 22 on the driving shaft of spring 15 rotates by means of gears 26, 27 a film feed sprocket 29 and meshes with a gear 23 on the shaft of a disc 25 carrying two lugs 24, 24<SP>1</SP> engaged by a pivoted lever 38 which thus holds the motor wound the motor springs having been wound. On depressing the shutter release 31, a spring driven disc 32 is released by the shutter and rotates anticlockwise so that a pin 33 on the disc pushes aside a pivoted lever 35 which is followed by the lever 38, releasing the spring motor for one half-revolution of the disc 25 to wind on the film, the speed of winding being controlled by a geared governor 40 ... 42.
Patent GB-797036-A (GB)
Title: Improvements in earth leakage protection systems for electrical motors, cables and other purposes
IPC: H02H11/00
Filed: 1956-08-08
Abstract: 797,036. Protective cut-out arrangements. BALDWIN, H. T., and BROOKE, W. Aug. 8, 1956, No. 24251/56. Class 38 (5). In an earth leakage protective control system in which the closing or reclosing of a circuitbreaker or contactor C under earth fault conditions is prevented by a lock-out relay S energized by current injected through the fault path 12, the opening of the contactor C completes the circuit through the lockout relay and the current injected from a current transformer secondary winding f2 is limited by star-connected condensers A1 . . . A3. The lock-out relay S, when energized, opens contacts S2 to prevent the energizing of the contactor closing coil C4. The relay S may have additional contacts for controlling a lamp or other indicator. It is stated that earth leakage protection may be obtained when the protected circuit is in use, i.e. "live," by arrangements similar to those disclosed in Specifications 605,927, 623,911 and 658,823.
Patent GB-654003-A (GB)
Title: Improvements in linear dimension gauges
IPC: G01B3/22
Filed: 1948-09-15
Abstract: 654,003. Linear-dimension gauges. STANDARD GAGE CO., Inc. Sept. 15, 1948, No. 24269. Convention date, Sept. 30, 1947. [Classes 106 (ii) and 106 (iv)] A dial gauge for checking linear dimensions has the rack 32 mounted on a U-shaped reed 23 fixed to a block 20 on the gear-plate 18 by screws 26, whereby the base of the reed may be bent to adjust the clearance between the teeth 47 of the rack 32 and the teeth 48 of the pinion 28, to render this clearance greater than the total range of movement of the measuring plunger 12, thus preventing transmission of shocks to the gear train. The measuring plunger 12 is slidable in a depending portion 11  of the casing 10 and its upper end 15 contacts the end of a rod 30 carrying the rack 32 urged downwardly by a spring 35. The reed is secured at its central part by a screw 25 to a raised portion 22 of the block 20 to allow adjustment of the rack to the right on tightening the screws 26. Movement of the rack is transmitted by gearing 28, 41, 42, 43, 44 to a pointer 45, a back-lash spring 50 adjustable by a screw 52 causing the pinion 28 to follow the rack. The upward movement of the rack is limited by an adjustable stop-screw 37 enclosed by a cap 40. The dial 56 is pivoted on a hub 57 and adjusted by a screw 61 against the action of a spring 62 which passes under the hub and bears at 63 against the casing. The spring 62 can be reversed and the screw 61 engaged in a tapped hole provided in the opposite side of the casing.
Patent GB-597937-A (GB)
Title: Improvements in or relating to preparations for administering calcium
IPC: A61K33/06
Filed: 1944-12-05
Abstract: An internal remedy is obtained by admixing mono-calcium citrate and a water-soluble salt of carbonic acid, e.g. sodium bicarbonate.  The composition may also contain citric acid and is preferably proportioned to give an effervescent acid solution when dissolved in water.  Other alkali-metal or ammonium carbonates may also be used. Specifications 597,936 and 597,938 are referred to.