baber/WOPTO huggingface dataset:
Patent GB-909286-A (GB)
Title: Improvements relating to locomotive rail vehicles
IPC: B61C9/14
Filed: 1961-01-16
Abstract: 909,286. Locomotive transmission gears. VOITH G.m.b.H., J. M. Jan. 16, 1961 [Jan. 16, 1960], No. 1760/61. Addition to 899,833. Class 79(2). In the transmission unit of the parent Specification, the output shaft of the variable speed gear and the shafts of the fixed ratio speed change and reversing gear are arranged parallel to the driving axes of the vehicle. As shown in Fig. 1, the variable speed transmission comprises a pair of torque converters 12 and 13, the primary shaft of which is driven from the engine via a shaft 5, bevels 6 and 7 and spur gears 9 and 10. The secondary of either torque converter may be coupled to the output shaft 14 (to give two speed change ratios) and upon shaft 14 is mounted a fixed gear 15 and a loose gear 18. Upon a parallel shaft 17 is mounted a fixed gear 16 meshing with gear 15 and a loose gear 19 and either gear 19 or 18 may be selectively coupled to its shaft by a dog clutch 22 or 23. The gears 19 and 18 enmesh with an idler gear 20 and with gears 25 and 24 which are mounted on casings 27 and 26 coupled to shafts 30 and 29 which are connected via universal joints and cardan shafts 32 and 31 respectively to the shafts 34a and 33a connected to wheels 4 and 3 whereby the axles 2 and 1 are driven. Thus the engine drive is transmitted to the wheels from the output shaft 14 in one direction or the other according as to which of wheels 18 or 19 is coupled by its dog clutch to its respective shaft. The axles 1 and 2 are resiliently mounted by springs 37 in guides 36 formed in the bogey frame. As shown in Fig. 4, an engine 51 drives a stepped gear 51a the output shaft of which drives a gear 52 which meshes with a gear 53 in mesh with a gear 54. Gears 55 and 56 may be selectively coupled to the wheels 53 and 54 and are in constant mesh with a gear 57 meshing with a gear 58 which drives the front and rear axles of the vehicle through gear trains 60, 62 and 59, 61 respectively, the housing of the transmission unit forming part of the vehicle frame. Reference is made to an hydraulic transmission wherein a longitudinally disposed engine drives a longitudinally disposed pump from which a motor having a transversely disposed output shaft is driven.
Patent GB-587852-A (GB)
Title: Improvements in inductive tuning device
IPC: H01F21/00
Filed: 1945-01-23
Abstract: 587,852. Bearings. PLESSEY CO., Ltd. Jan. 23, 1945, No. 1788. Convention date, Jan. 24, 1944. [Class 12 (i)] [Also in Groups XXXV and XXXVI] A shaft 14 carrying an inductance coil is mounted at one end in a split conical bearing 21 held in a complementary recess in plate 10 by two springs 22. At the other end it is retained in position in a hole in plate 11 by two forked springs 30, in grooves 27, 28 in the shaft 14 which they urge in opposite directions. This oil-less bearing construction is stated to prevent freezing at low temperatures.
Patent GB-137390-A (GB)
Title: Improvements in or relating to automatic telephone systems
IPC: H01H51/04
Filed: 1919-01-24
Abstract: 137,390. Automatic Telephone Manufacturing Co., and Bates, P. T. Jan. 24, 1919. Automatic exchange systems.-A relay, particularly for use as the switching-relay of a subscriber's line switch, has an armature which, after moving sufficiently to allow the moving springs to disengage the back contacts, is held by a stop adapted to yield only when the relay is strongly energized and so permit the moving springs to engage the front contacts. In an automatic exchange system, the relay is energized strongly for an outgoing call and serves, not only to disconnect the line relay, but also to switch the calling-line through to the selected trunk; but, in an incoming call, the relay is energized weakly and serves only to disconnect the line relav. Construction of relay. In the form shown in Figs. 1 and 2, a leaf spring 18 is so arranged that, when the relay is weakly energized, the arm 5 attached, to the armature 3 is arrested by the spring 18, the contact springs 6, 7, &c. being held out of engagement with both the front and back springs 10, 11, 14, 15, &c., but when the relay is strongly energized, the spring 18 yields sufficiently for the springs 6, 7, &c. to engage the front contacts 10, 11, &c. The spring 18 may be replaced by a leaf spring under the armature, or, according to the Provisional Specification, by a helical spring carried by the core, or by one of the contact springs, or by a weight. Circuit arrangements. In the system shown in Fig. 6, the switching-relay 24 is wound differentially. When the subscriber removes his receiver, his line relay 25 prepares a circuit for the stepping-magnet 35 of his line switch, which is energized over the earthed test wiper 22 if the wipers are resting on the terminals of an engaged trunk, the upper winding 33 of relay 24 being short-circuited. When an idle trunk is found, this short-circuit is removed, and relay 24 is energized over its winding 33, the strength of the current being such that the armature is fully attracted, thereby disconnecting the line relay 25 and switching the calling-line through to the selected trunk. The lower winding of relav 24 is short-circuited over the back contact of the line relay. When the line 19, 20 is seized by a connector for an incoming call, relay 24 is energized weakly by current through the rotary magnet 35, opposing-windings 33, 34 in series, and the private normal 45, thereby energizing the relay sufficiently to disconnect the line relay, but not to switch the line 19, 20 through to the wipers 21. 23. In the alternative arrangement shown in Fig. 7, the switching-relay 24 has a single winding which is fully energized on an outgoing call. but is connected in series with a resistance 47 on an incoming call so as partly to attract its armature.
Patent GB-326602-A (GB)
Title: Improvements in electro-static sound reproducers or transmitters
IPC: H03F3/32
Filed: 1929-01-18
Abstract: 326,602. United Reproducers Patents Corporation. Oct. 24, 1928, [Convention date]. Condenser telephones; diaphragms. -An electrostatic sound reproducer or transmitter comprises a pair of perforated undulated plates 1, 2 having troughs 3, 4, crests 5, 6 and intermediate slope portions 7, 8 between which are interposed rubber, silk or rubberized silk dielectrics 10, 11 provided on their inner sides with one or more flexible metallic conductors 12, such as gold leaf, aluminium foil &c. The undulations in the plates 1, 2 may be of the cavity or concaved type or may extend from one side of a plate to the other, and the dielectrics and flexible conductors are preferably cemented together to form a single unit. The device may be used with a push-pull circuit (Fig. 2, not shown) or with the circuit shown in Fig. 3, in which the plates 1, 2 are connected to the ends of the split secondary 53 of the audio transformer 50, the centre point 56 being connected through a condenser 58 with the flexible conductor 12. Leads 64, 65 extend from each side of the condenser 58 to a battery or other source of E.M.F. for maintaining conductor 12 at a different potential from that of the plates 1, 2. Choke coils 60, 61 or resistances 62, 63 may be inserted in these leads to prevent the transmission of audible frequency currents and disturbances, such as A.C. hum.
Patent GB-713874-A (GB)
Title: Improvements in and relating to guide means for fabric in textile finishing machinesand the like
IPC: D06C3/06
Filed: 1952-01-23
Abstract: 713,874. Guiding webs transversely. MEISSNER, R. Jan. 23, 1952; No. 1866/52. Class 100 (1) Web guiding means for correcting transverse deviations of a web comprises two pairs of rollers between which the web passes, each pair including a longer roller a and a shorter roller b, each projecting length being remote from the centre line of the web, and braking means adjacent each projecting length. The rollers a and bare rotatably mounted in stirrups f pivotally mounted by journals g in bearings h. The braking means may comprise spring-pressed brake shoes c, such that when the web deviates laterally the selvedge runs between a roller a and brake shoe c, thus causing the corresponding stirrup f to swing about its journal g to restore the fabric to its normal lateral position. The shoes c may be replaced by narrow rollers braked by brake shoes or spiral springs.
Patent GB-555328-A (GB)
Title: Improvements in or relating to protective arrangements for three-phase a.c. distribution system
IPC: H02H3/13
Filed: 1942-02-12
Abstract: 555,328. Protective cut-out arrangements. REYROLLE & CO., Ltd., A.. and HARLE, J. A. Feb. 12, 1942, No. 1887. [Class 38 (v)] An arrangement for protecting a three-phase circuit against overload and single-phasing comprises, in each phase, a high-breaking capacity fuse C<SP>1</SP> ... C<SP>3</SP>, and a normal trip coil E<SP>1</SP> ... E<SP>3</SP> operative on trip mechanism D of a low-breaking capacity circuit-breaker B having its contacts in series with the respective fuses, the operating times being such that the breaker deals with overloads up to, say, ten times normal load, whereas the fuses open overloads in excess of that figure. When a fuse blows, single-phasing is prevented by an auxiliary trip coil F<SP>1</SP> ... F' in shunt therewith operating the mechanism D to clear the circuit. The shunt impedance is such that each coil is inoperative while the fuse is intact, but operates with the minimum voltage likely after blowing of the fuse The fuses may be withdrawable for isolating the breaker, the trip circuits being also isolated at contacts H<SP>1</SP> ... H<SP>3</SP>. Switch mechanism interlocking with lids. The circuit-breaker B and fuses C are mounted in cases L. M. Fig 3, containing the auxiliary trip coils (not shown). When the handle G is lowered to open the breaker, the rod Q disengages a lug Q<SP>2</SP> on door M<SP>1</SP>, so allowing access to the fuses. A rod O carried on arms O<SP>1</SP> is rotatable clockwise for permitting removal of all the fuse holders N, and is then urged by spring O<SP>2</SP> into a position in which rod P frees a lug P' on door L<SP>1</SP>, so enabling inspection of the breaker itself. Thus the fuses cannot be removed until the breaker is open and the breaker cannot be inspected until isolated at the fuses. The shape of lugs P<SP>2</SP>, Q<SP>2</SP> prevents movement of P, Q while the doors are open. Lugs P', Q' on the casing walls guide the rods P, Q. The Specification refers to oil-immersion of the apparatus and to other modifications of details, and to Specification 549,376.
Patent GB-631253-A (GB)
Title: Improvements in fluid flow control systems
IPC: F16K31/04
Filed: 1947-01-21
Abstract: 631,253. Fluid-pressure servo motor-control systems. DOWTY EQUIPMENT, Ltd., and CAREY, F. H. Jan. 21, 1947, No. 1916. [Class 135] [Also in Group XXVI] In a fluid-flow control valve comprising two members relatively rotatable between limit stops to vary the degree of registration of flow-controlling ports in the two members, and wherein one member is driven by a motor of which the speed can be controlled and set at any desired value and the other member is driven by an engine of which the speed is to be synchronized with that of the motor, a spring flexible coupling is provided be. tween the valve [members, and the coupling is deflected in accordance with the torque loading imposed on the motor when the speed of the engine-driven member is changed relative to that of the motor-driven member. The invention may be applied to a fuel supply system for a gas turbine installation as disclosed in Specification 595,152 and may control the setting of a fuel metering valve. As shown, the control valve comprises nested rotarycylindrical valve members 1, 2 of which member 1 is driven by a standard speed electric motor and member 2 is engine-driven. Exhaust liquid passes to a sump through the centre of the valve and past a lightly-loaded non-return valve therein. Member 1 carries a leaf-spring 15 which can move between limit stops 18 on member 2 and which is acted upon by adjustable stops 17 rigidly carried by member 2 so that, when members 1 and 2 are not moving in synchronism, a torque is resiliently applied to the motor. The spring 15 may extend to only one side of the central anchorage with the stops 17 acting on the two sides of the spring at its outer end.
Patent GB-884728-A (GB)
Title: Improvements in footwear particularly for ladies
IPC: A43B3/10
Filed: 1958-01-20
Abstract: 884,728. Boots etc.; stockings. BARTELS, W. Jan. 20, 1958 [Jan. 21, 1957; June 8, 1957], No. 1921/58. Classes 17(2) and 141 Footwear without an upper is secured to the feet by the stockings. An insole c is placed inside a stocking f and is detachably secured to an outsole unit b by two screw bolts d passing through perforations g in the stocking which is thus gripped between the two soles. Other fastening means may be used such as press fasteners or knob and slot devices. The insole may be hinged in its centre part by a simple groove or by an elastic insertion and it may be made smaller than the outsole. If the insole is of flexible material such as rubber or textiles it may be reinforced in the region of the fasteners while if it is of stiff material it may be provided on either or both faces with a soft covering. The borders of the stocking perforations may be reinforced as by a flexible material applied unilaterally or bilaterally. Such materials are latex emulsion, silicone caoutchouc, thermoplastic material or self-adhesive coatings while a similarly perforated label may be applied. The bonder may be of a different colour to that of the stocking.
Patent GB-1083892-A (GB)
Title: Tractors or like agricultural vehicles provided with power-lift mechanisms
Inventor: ANDREWS THOMAS DESMOND HUDSON
IPC: A01B63/10
Filed: 1964-01-16
Abstract: 1,083,892. Tractor power lift mechanisms. DOWTY HYDRAULIC UNITS Ltd. Dec. 3 1964 [Jan. 16, 1964], No. 2009/64. Heading A1P. A tractor power lift mechanism incorporates two fluid pumps, a variable delivery one 36 and a fixed delivery one 40. For draft control and a slow response position control only the variable delivery pump 36 is used and this is controlled by a lever 35 operated by a spring-biased rod 31 connected to a lever 27. A manual lever 22 sets whether a follow-up; rod 51 operates on lever 27 for position control or whether rod 16 moved in response to differing draft on an attached implement operates on lever 27. Manual lever 21 operates to move lever 27 and thus control valve 36. For a fast response position control lever 21 is moved to the 'fast' position shown in the drawing and this moves pin 26 sufficiently to operate rod 29 affecting a valve 41 which allows pump 40 to supply fluid to the circuit. Shocks in the rod 31 are absorbed by the device 37.
Patent GB-1514148-A (GB)
Title: Support arrangement for a high temperature thin-walled pipe
IPC: F16L59/135
Filed: 1977-01-19
Abstract: 1514148 Pipe supports WESTINGHOUSE ELECTRIC CORP 19 Jan 1977 [28 Jan 1976] 02061/77 Heading F2P A support 12 for a high temperature thinwalled pipe 10, e.g. in a liquid-metal cooled reactor, comprises a hollow annulus 20 containing thermally-insulating means and clamped 24 around the pipe. The annulus 20 may be of stainless steel and contain compacted loadbearing material, e.g. a mixture of diatomaceous silica, asbestos fibre and an organic binder, the inside diameter of the inner wall 26 being substantially equal to the outside diameter of the pipe 10. The clamp 24 has an expansion compensation 32 that ensures substantially constant clamping force and which comprises spring washers 34 between the ends of the clamp 24 and a nut 38 and bolt 36 passing through the clamp ends. The support 12 is connected to, e.g. a framework 18 by a hanger 16.
Patent GB-1039803-A (GB)
Title: Rocker arm for an internal combustion engine
Inventor: GREEN DEREK BERNARD
IPC: F01L1/18
Filed: 1964-01-17
Abstract: 1,039,803. I.C. engine valve gear. FORD MOTOR CO. Ltd. Jan. 11, 1965 [Jan. 17, 1964], No. 2141/64. Heading F1B. An internal combustion engine rocker arm has two independent members 7, 9 independently pivotable by appertured forked ends on rocker shaft 5, a rotatable sleeve 15 being embraced by the forked ends. A clutch spring 31 e.g. of round wire or flat strip, encircles sleeve 15 and has tapered ends 35 and 33 respectively engaged by tapered portion 29 and the tapered portion 23 of a screw-threaded adjusting insert 19. When the valve is closed the ends of spring 31 force the members 7, 9 downwardly into contact with push rod 17 and valve stem 27. The initial valve opening movement applies tension to the end of spring 31 to lock the spring coil on to sleeve 15 which when rotated applies tension to the other end of the coil spring to move the valve stem 27 downwardly. In modifications stops are fitted to members 7, 9 to act in the event of clutch spring failure sleeve 15 either extends through forked ends 11, 13, Fig. 1 (not shown) or is replaced by an inwardly extending boss on one of the members and a clip holds member 9 and valve stem 27 together. In another embodiment Figs. 4, 5 (not shown) each rocker arm is of plastics moulded around a sleeve 39 and a spring 31. A metal insert 49, provides for the screw-threaded adjustment and a metal insert 41 forms the valve stem bearing surface. In another embodiment both free ends of a spring 58, Fig. 6 (not shown) are fixed to a common plate 63 which is bolted to a metal insert 65 in one arm of the rocker and a bight 60 of the spring engages a metal plate 67 on the other arm. The lengths of spring between the ends and the bight each encircle the sleeve 55. In another embodiment a plastics rocker arm moulded to a sleeve 75, Fig. 8 (not shown) is engaged by a saddle 79 mounted on a central post 73 which passes through the sleeve 75 with sufficient clearance to allow pivotal movement of the rocker arm. A nut 81 mounted on post 73 provides for adjustment of valve train clearance.
Patent GB-797797-A (GB)
Title: Process for recovering pure isophthalic and terephthalic acid
Filed: 1957-01-22
Abstract: Terephthalic and isophthalic acids are separately recovered from mixtures containing them and organic impurities by heating the mixture with an ether or ketone solvent, in which isophthalic acid is at least five times as soluble as terephthalic acid, so that the isophthalic acid and organic impurities dissolve in the solvent, recovering the substantially pure residual terephthalic acid from the solvent, and crystallizing out substantially pure isophthalic acid from the filtrate.  The solvent is preferably capable of dissolving at least one per cent isophthalic acid, and diethyl ether, ethylene glycol dimethyl ether, diethylene glycol diethyl ether, triethylene glycol dimethyl ether, dioxan, tetrahydrofuran, 2 : 3-dihydro-2-formyl-1 : 4-pyran, acetone, pentane-2 : 4-dione, or cyclohexanone may be used.  The process may be worked by heating the mixture with the solvent to a temperature at least within 50 DEG  C. of the boiling point of the solvent.  In examples, mixtures of terephthalic and isophthalic acids are separated by heating with (1), (2), (3) dioxan, (4) diethylene glycol diethyl ether, (5) tetrahydrofuran and (6) acetone; (7) a mixture obtained from the oxidation of xylenes is extracted with cyclohexanone and terephthalic acid obtained from the residue.
Patent GB-307337-A (GB)
Title: Improvements in internal combustion engines
IPC: F02B1/00
Filed: 1929-01-23
Abstract: 307,337. Continental Motors Corporation, (Assignees of Kreis, 0. C.). March 5, 1928, [Convention date]. Induction pipes, fittings for.-Unvaporized particles of fuel in the mixture intake conduit 18 drain into one or more traps 20 and pass into the cylinder 11 during the suction stroke through a conduit 22<a> controlled by a spring-loaded suction-actuated valve 23. The floor of the conduit 18 slopes downwardly to the trap 20. The Specification as open to inspection under Sect. 91 (3) (a) refers to Specification 305,460. This reference does not appear in the Specification as accepted.
Patent GB-361712-A (GB)
IPC: D01B1/10
Filed: 1931-01-23
Abstract: 361,712. Decorticating fibrous leaves. KRUPP GRUSONWERK AKT.-GES., F., Buckau, Magdeburg, Germany. Jan. 23, 1931, No. 2313. Convention date, Dec. 2, 1930. [Class 120 (i).] In a machine for decorticating fibrous leaves and similar parts of plants, the leaves, &c. are fed by a conveyer chain 23 and clamped between a chain, rope, &c. 13 and a pulley 5 serving to guide a chain 11 until they are gripped between the chain 11 and a pulley 3 where they are treated by a beating drum 1, the conveyer 13 meanwhile running beside the chain 11 over the pulley 3 ; and, after leaving this latter pulley, the leaves are clamped between the conveyer 13 and a further guide-pulley 6 for the chain 11 and guided to a second conveying device comprising a pulley 4 and gripping chain 12 which are staggered with regard to the pulley 3 and chain 11. While the leaves are clamped between the chain 12 and pulley 4 they are treated by a second beating drum 2 which is staggered with regard to the first drum and may be of a different diameter. The grooves in the pulleys 3, 5, 6 in which the conveyer 13 runs are on the side facing away from the beating drum 1 ; and after leaving the pulley 6, this conveyer completes its circuit round a pulley 15, the lower part of the pulley 3, and pulleys 14, 16. The circuit of the chain 11 comprises pulleys 6, 7, 5 and the top of the pulley 3, and that of the chain 12 comprises pulleys 9, 10, 8 and the top of the pulley 4; the pulleys 6, 8 are journalled together coaxially and the bearings of the pulleys 7, 10 rest on pressure springs to tension the chains. During the transfer of the leaves between the two stations, the untreated ends are turned over by a guide 18, and their passage is assisted by teeth formed on the pulley 8. The whole of the apparatus is driven from the pulley 9 although the conveyer 13 may be otherwise driven. Two beating drums having the same or different diameters may be arranged at each decorticating point. Specification 19293/08, [Class 120, Spinning], is referred to.
Patent GB-966948-A (GB)
Title: Improvements relating to the manufacture of curved surfaces
IPC: B24B13/015
Filed: 1963-01-18
Abstract: 966,948. Coating surfaces. KENNEDY ANTENNA DIVISION OF ELECTRONICS SPECIALTY CO. Jan. 18, 1963 [Feb. 5, 1962], No. 2333/63. Heading B2B. [Also in Divisions B3, B5, G2 and H4] The surface of a shaped object may be of foamed polyurethane or sponge metal. Upon a frame 102 constructed of tubular supports or other rigid supporting framework, is laid a layer 103 of expanded metal or similar wide mesh relatively heavy gauge material, with a backing 104 of fine mesh in rough approximation to the final curved surface. A first layer 105 of actively foaming polyurethane is applied, e.g. by spraying, forcing the material into the spaces between the mesh 103 and forming a bond behind the mesh. When the layer 105 has hardened, its surface is cut to a close approximation to the curve required. Another layer 107 of expanded metal large mesh is laid on top, and a second layer 108 of foaming polyurethane sprayed on. When this layer has hardened, its surface is cut accurately, as shown at 109, to the desired shape. The curved surface may be used as a reflector in radio communications, radar and satellite tracking &c. If cut in blanks of foamed polyurethane, the surface is subsequently coated by a metallized spray or conductive paint; the voids in the surface may first be filled, depending upon the wavelength at which the reflector is to be used.
Patent GB-208659-A (GB)
Title: An improved clip for hose and like pipes
IPC: F16L33/04
Filed: 1923-01-26
Abstract: 208,659. Mitchell, C. Jan. 26, 1923. Clips, band.-A screw-bolt 5, the end 6 of which is retained in one of a number of holes 8 in the end 9 of the band 1, has an abutment member 10 slidable thereon and adapted to be drawn up against the forked curledover portions 2 of the other end of the band by a nut 11. The curled-over portions 12, Fig. 3, may be riveted to the band at 13, the abutment member 14 being shaped as shown to engage the portions 12.