baber/WOPTO huggingface dataset:
Patent GB-818624-A (GB)
Title: Rotary switch
IPC: H01H67/06
Filed: 1956-12-06
Abstract: 818,624. Electric selectors. COMPAGNIE INDUSTRIELLE DES TELEPHONES. Dec. 6, 1956 [Dec. 6, 1955], No. 37306/56. Class 40 (4). A rotary switch has a wiper carriage which is displaced along its axis of rotation by means of a first electromagnet to move wipers into engagement with a contact bank and is driven from a continuously rotating driving shaft by means of a clutch controlled by a second electromagnet, the axis of the driving shaft coinciding with the axis of rotation of the wiper carriage. As illustrated, a shaft 1 is connected by flexible coupling 34 to the shaft of another switch and/or to a continuously driven motor. The shaft 1 is joumalled in cylindrical housings 2 and 3 of a magnetic material which contain coils 40 and 9, respectively. The housings are mounted on plates 27 which with cross-members 28 form a frame for banks of contacts 22 and 23. A sleeve 5 of magnetic material is rigidly fixed to shaft 1 inside the housing 2 and carries a clutch plate 6 toothed on its upper edge. A sleeve 8 of magnetic material is slidably mounted on the shaft 1 inside the housing 3 and carries a mounting plate 11 at the opposite ends of which posts 18 are mounted to carry piles of V-shaped wiper blades 21 which engage the separate contacts 22 at one end and the continuous annular contacts 23 at the other end. At each side of the shaft 1 the mounting plate 11 is apertured to mount a stop finger 13 pivotally connected to a flat torsion spring 14. The stop finger 13 shown projects through an aperture in post 18 and is normally turned downwardly by spring 14 to lie between stop pins 20 mounted on the contact bank. At its opposite end the stop finger 13 carries an annular segment 17, which forms an armature, and also has downturned teeth 16 which, when coil 40 is energized to attract the armature into the gap between clutch plate 6 and housing 2, engages the teeth on the clutch plate to couple the brush carriage with the rotating shaft 1. Movement of the armature also disengages the stop finger 13 from the stop pins 20 so that the carriage is free to rotate. The wipers mounted below the mounting plate 11 are permanently engaged with contacts 22 and 23 while those above the plate 11 are only engaged when coil 9 is energized to draw sleeve 8 into the housing 3 and consequently raise the brush carriage. Coil 9 is energized only when the carriage is stationary and the consequent displacement of the carriage is insufficient to withdraw stop finger 13 from between the stop pins. The wipers are clamped together with rigid plates 26 and are prestressed by deformation such that to lift the wipers away from the plates requires a force about equal to the desired contact pressure.
Patent GB-373156-A (GB)
Abstract: 373,156. Zeroizing-mechanism. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Elliott-Fisher Co.; Cedar Street, Harrisburg, Pennsylvania, U.S.A.) Feb. 17, 1931, No. 4983. [Class 106 (i).] In a totalizing-counter for a calculating- machine, the zeroizing lever operates the transfer parts at the commencement of its movement in either direction and has a lost motion connection with the zeroizing segment for this purpose. The transfer mechanism with its restoring devices is as described in Specification 367,174, the transfer head 9 and its toggle mechanism 11, 12, 23 being shown in the figure in the normal position. To zeroize the counter the lever 43 pivoted at 41 is raised and through a sector 40 rotates the counter spindle 7 to pick up and return the wheels 6 in the usual manner. The connection 44, 45 between the lever and sector consists of a pin and slot so that before the sector is driven a cam 46 on the lever is enabled to rock a lever 47 and thereby the transfer-restoring sector 31. Similarly at the commencement of the return stroke of the lever 43 the lever 47 is again rocked to restore the transfer devices tripped at the end of the return of the counter wheels to zero position. Specification 266,469, [Class 106 (i), Calculating &c.], also is referred to.
Patent GB-1101701-A (GB)
Title: Improvements in or relating to fluid pressure operated braking apparatus
Inventor: FARMERY GEORGE KENNETH
IPC: F16D65/14
Filed: 1963-09-24
Abstract: 1,101,701. Brake actuator. CLAYTON DEWANDRE CO. Ltd., and GIRLING Ltd. 24 Sept., 1964 [24 Sept., 1963], No. 37530/63. Headings F2E and F2F. A fluid pressure operated braking apparatus, for motor vehicles, comprising a fluid pressure diaphragm actuator mounted on the back plate 9 for actuation of shoe-operating wedge 12 includes a pull type linkage 15 by which the wedge may be operated by manual means, the linkage comprising telescopically movable components 10, 11, whereby power actuation of the brake does not impart movement to the said manual means. Initial setting up of the brake is accomplished by adjusting the nut 13 connecting the parts 10, 11; to facilitate this the inner face of the head 17 of the rod 15 is shaped to engage and rotate the nut.
Patent GB-1357854-A (GB)
Title: Paper machine saveall
IPC: D21F1/48
Filed: 1972-08-11
Abstract: 1357854 Centrifugal separator DOMINION ENG WORKS Ltd 11 Aug 1972 [12 Aug 1971] 37578/72 Heading B2P [Also in Division D2] A saveall 10 for receiving a wide jet of water from a roll (not shown) wrapped by twin forming wires of a paper-making machine, comprises a easing 12 having an inlet for receiving the jet, inclined plates 18 in the inlet for dividing the jet into discrete jet portions and for deflecting these laterally to an outlet at one end of the casing and directed transversely of the machine, and a curved back portion 20 of the casing for imparting rotation to the water leaving the plates 18. Air is cooled off through an opening 22 leading to the inside of trunking 24 connected to a vacuum header 28 by a pipe or pipes 29. A pipe may lead downwardly from the water outlet to a pit.
Patent GB-982185-A (GB)
Title: Stamping and manufacturing machine for the manufacture of pharmaceutical products
IPC: B65B9/04
Filed: 1961-10-20
Abstract: 982,185. Wrapping - machines. G. VINCENZI, and S. MAI, [trading as VIMA]. Oct. 20, 1961, No. 37707/61. Heading B8C. Pharmaceutical products are packaged between two strips of plastic material 5, 6 by an apparatus comprising reciprocating, alternatelymoving pincers 9, 11 which grip and move the strips a predetermined amount in directions A and B respectively, electrically-heated presses 2 and 3 which make recesses in the strips, a dabber 17 which applies adhesive to one of the strips, jaws 13, Fig. 2, which align the recessed strips, a mechanism 14, 15 which provisionally closes and cuts the strips after their contents have been disposed manually in the recesses before the strips arrive at the jaws 13, and a pair of intermittently rotating spring-pressed finishing rollers 16 which trim the packages. The different parts of the apparatus are arranged to operate in synchronism by cams and so on. In a modification (not shown), the apparatus is provided with a single press with double-acting stamps which operate on both the strips simultaneously.
Patent GB-1075075-A (GB)
Title: Electrostatic image development apparatus
IPC: G03G16/00
Filed: 1964-09-16
Abstract: 1,075,075. Forming electrostatic images on thermoplastic materials. RANK XEROX Ltd. Sept.16, 1964 [Sept.26, 1963], No.37804/64. Heading G2H. An electro-photographic material 10 comprising, in order, layers of a thermoplastic material 13, a photo-conductive material 12, and a conductive support, 11, is charged, imagewise exposed to light or X-rays and recharged forming a latent electrostatic image on the thermoplastic material which is developed to produce an image in a pattern of ridges and valleys by heating the latter, the support being conmittantly cooled to prevent the photo-conductive layer being ruined by heat. The electro-photographic material may be prepared for reuse by heating the thermoplastic layer and simultaneously exposing it to light to remove the image, the support again being cooled. The electro-photographic material 10 may be supported on the movable tray (19), charged by wires (58) and (59) by light (62), recharged, developed by hot air from nozzle (70), the support being cooled in bath (24) Fig. 2 (not shown), or the electro-photographic material may be in the form of an endless belt, Fig. 5, which is charged by wire 93, exposed to cathode ray tube 94, recharged by wire 95, developed by hot air from nozzle 70, the support being cooled by rollers 96 in bath 99; the image is viewed by optical system 102-106, and then removed by exposing the thermoplastic layer to light 116 and hot air from nozzle 115, the support being cooled by rollers 117 in bath 114.
Patent GB-1098249-A (GB)
Title: Improvements in or relating to trolleys
Inventor: MURRAY JOHN KEITH
IPC: B62B3/02
Filed: 1965-09-03
Abstract: 1,098,249. Trolleys. MARCONI INSTRUMENTS Ltd. June 21, 1966 [Sept. 3, 1965], No. 37835/65. Heading B7B. A trolley comprises two tubular steel side frames 1, 2 carrying equipment-bearing means, and connected together by two telescopic crossmembers each comprising parts 4 and 5 welded to the frames 1, 2 respectively, wherein the cross-members may be adjusted in length to accommodate and clamp in position an equipment (dotted line). A nut is fixed inside the part 4 and is engaged by a screw-threaded rod rotatable by means of a wing-nut 17 pinned thereto to effect length adjustment of the crossmembers. The equipment-bearing means comprise two bearers 6 each pivoted at one end, as at 7, 8 or 10, 11, to one of the frames 1, 2, and slotted at its other end for selective bolting to one of a number of holes, such as 9, in the associated frame.
Patent GB-1315558-A (GB)
Title: Electronic computing apparatus
IPC: G06G7/161
Filed: 1970-08-05
Abstract: 1315558 Electric analogue calculators SOC FRANCAISE D'EQUIPEMENTS POUR LA NAVIGATION AERIENNE 5 Aug 1970 [5 Aug 1969] 37850/70 Heading G4G A circuit for producing the quotient of two input potentials x and y, of opposite sign, includes a first gain device 1 to which the signal x is applied, the output of which is applied to a first input of the adder 2; a second gain device to which the signal y is fed and the output from which is applied via a switch 4 to a second input of the adder; the output of the adder being fed to a linear circuit 6 having a transfer function equivalent to 1/p at high frequencies, where p is Laplace's variable, and the output of which is connected to an actuating device 7 for actuating the switch 4, and which has a threshold value S 1  for closing the switch and a smaller threshold S 2  for opening the switch. The element 6 produces a sawtooth waveform varying between the limits S 1  and S 2 , while the output of the circuit-at terminal 5-is in the form of a succession of rectangular pulses for which the product of the pulse width and the pulse frequency is proportional to the desired quotient x/y. The linear circuit 6 may either be a pure integrator, or a circuit having transfer function 1/(1+Tp), where T is a constant, such that it approximates 1/Tp at high frequencies. The actuating device 7 may be a comparator formed by a differential amplifier having positive feedback and to which a reference voltage is applied, the output signal from which corresponds either to positive or to negative saturation (Fig. 2, not shown); and the switch 4 may be a transistor. One or both of the gain producing devices may consist of at least one resistor in series with a capacitor, the capacitor also forming the adder 5, and the impedance formed by the series combination constituting the linear circuit 6 (Fig. 4, not shown). Since the average value of the output at terminal 5 is proportional to x/yÀky, if y is a fixed supply voltage, the circuit functions as a converter, converting the input signal x into an intermittent output signal of amplitude proportional to y and having a mean value proportional to x, independently of fluctuations in the value of y.
Patent GB-1447058-A (GB)
Title: Gold electroplating composition and process
IPC: C07H11/04
Filed: 1973-08-09
Abstract: 1447058 Electro-deposition of gold and gold alloys OXY METAL FINISHING CORP 9 Aug 1973 [10 Aug 1972] 37860/73 Heading C7B Gold or gold alloy is electro-deposited from a bath comprising a gold sulphite, optionally alloying metal(s) and a water-soluble stable organic compound which will not chemically reduce gold compounds to metallic gold and which includes at least one P atom having up to four bonds identical or different chosen among PR and POR and having connected to the possibly remaining free valencies of said P atom substituents selected among O and OH, the latter being free or in the form of salts of alkali metals, NH<SP>+</SP> 4 , alkaline earth metals or metals which participate in the electro-deposition of the gold, the symbols R being monovalent or divalent, identical or different radicals. Various examples are given of suitable phosphorus compounds. The bath may also contain alkali metal or ammonium sulphite and a chelating agent. Metals which may be present either as brighteners or as alloy constituents include Fe, Co, Ni, Zn, Cd, Sn, Cu, Bi, Ga, In, Pb, Mu, Mo, Ag, Tl, Zr, V, W, As, Sb, Se or a Pt group metal. An alloy deposited from the bath may contain 20% Cd.
Patent GB-943705-A (GB)
Title: Machine for pressing and forming tobacco leaves into bales
Inventor: DINKOV IVAN VELINOV
IPC: B30B9/30
Filed: 1961-10-24
Abstract: 943,705. Baling-machines. BULGARTABAC. Oct. 24, 1961, No. 38051/61. Heading B5F. A machine for baling tobacco leaves comprises a feed shoot 9 having a regulating flap valve 7, a pressing piston 6 having hinged bottom opening flaps 38 which compacts the leaves into a removable wheeled box carriage 2, an electric motor 16 driving the piston through a speed reducer 15, and a movable bottom 32 in the box supported by the piston 33 of an hydraulic cylinder 34, the pressing force being obtained against the reaction of the piston 33 and the fluid in the cylinder 34, the fluid being forced therefrom through a spring pressure adjustable valve, Fig. 2, having a differential piston 26, into an hydraulic accumulator 30. In operation, the leaves are fed through the piston 6 into the box 2 which has been wheeled into and locked in position. The piston 6 is then driven downwardly by rods 10 and tubes 11, Fig. 4, until the tubes 11 are arrested by the engagement of a brake 8 with a lower limit stop. The rods 10 then slide in the tubes 11 and close the flaps 38 so that the leaves are compacted into the box as the piston moves further down. When the piston 6 rises the flaps are opened again for the charge of more leaves and further pressing. As the pressing continues, fluid passes from the cylinder 34 through the differential spring-pressed valve 26 into the accumulator 30. When the bottom 32 of the box 2 is forced down on to springs 35, cut-outs 31 operate to stop the flow of leaves, but a relay is switched in to permit the piston 6 to complete a few more pressing movements. After production of the bale the box carriage 2 is unlocked by hand and withdrawn.
Patent GB-380756-A (GB)
Abstract: 380,756. Calculating-machines. BRUNSVIGA-MASCHINENWE R K E GRIMME, NATALIS, & CO. AKT.-GES., Brunswick, Germany. April 29, 1932, No. 12352. Convention date, Sept. 3, 1931. [Class 106 (i).] The discs 4, 5 axially and mutually adjustable for differentially actuating the counter wheel 7 are set by slides or levers 8 provided with lateral cam surfaces. The discs 4, 5 are controlled in axial position by respective levers 10, 11 rotatably supported at 12 and having arms bearing against the discs and the setting lever 8. The five-toothed disc 5 is shifted by an arcuate cam rail 15 on one side of the lever 8 and the stepped teeth disc 4 is variably moved by the cam projections 13 projecting laterally on the other side of the lever. Detents 18 retain the levers set against the action of springs 21 and are simultaneously rocked to allow return of the levers to home position by means of a finger lever 20.
Patent GB-1172834-A (GB)
Title: Concentration Process for Tea Extracts.
IPC: C12H6/04
Filed: 1966-11-25
Abstract: 1,172,834. Concentrating tea extracts. STRUTHERS SCIENTIFIC & INTERNATIONAL CORP. 25 Nov., 1966 [2 Dec., 1965], No. 38091/68. Divided out of 1,172,832. Headings A2B and A2D. A process for the concentration of an aqueous tea extract which produces a precipitate which is insoluble at or above the temperature at which ice forms comprises cooling the extract to a temperature between freezing point and 80‹F. to precipitate the insoluble material therefrom, separating the insoluble material from the liquid extract, freezing the extract to form ice therein and separating the ice from the concentrated liquid. The ice may be washed to remove any adhering extract, which extract is returned to a stage in the concentrating process. The tea extract may be cooled in a cold room or in a tubular agitated heat exchanger. The precipitate may be separated by decantation, filtration or centrifugation. The extract may be freeze concentrated in a tubular agitated or scraped surface heat exchanger in one or more stages. The ice may be separated from the concentrated extract by centrifugation.
Patent GB-341663-A (GB)
Title: Improvements in and relating to metal milling machines
IPC: B23Q37/00
Filed: 1929-12-12
Abstract: 341,663. Milling-machines. HOPPE, O., 27, Kirchstrasse, Rorschach, Switzerland. Dec. 12, 1929, No. 38134. [Class 83 (iii).] A milling-machine having an overhanging arm adjustably mounted between the column 1 and an outboard support 5 is provided with a spindle 11 mounted on the overhanging arm and connecting the main spindle 6 with an auxiliary vertical spindle 15. The latter spindle is mounted at its upper end in a sliding member 17 which is actuated to effect the vertical adjustment of the spindle by means of a screw 20. When the vertical spindle is not required, the pinion 8 may be disengaged from the wheel 7 by means of a handle 22. In a modification, Fig. 4, the shaft 11 is connected through gearing 14, 23 to a shaft 24 driving a second horizontal spindle 31. This spindle is axially adjustable in a bearing 32 by means of a screw 36 which engages in a bracket 33 sliding in the overhanging arm and carrying the forward end of the spindle. The main spindle 6 carries a splined cutter arbor 38 which is axially adjustable by means of a sliding bracket 40. In a further modification, Fig. 7, the vertical spindle 15 carries a bevel wheel 42 driving a universal milling spindle 44 mounted in a member 46 which can be angularly adjusted on the under surface of the arm 3.
Patent GB-1350491-A (GB)
Title: Over and under excitation protection circuit for alternating current power systems
IPC: H02H7/06
Filed: 1971-08-16
Abstract: 1350491 Protective arrangements WESTING- HOUSE ELECTRIC CORP 16 Aug 1971 [14 Sept 1970] 38310/71 Heading H2K A circuit arrangement for protection against under or over excitation of a plurality of polyphase power sources connected in parallel, comprises a circuit 12 for developing for each of the sources a first direct voltage V1 proportional to the difference between the reactive current of each source and the mean reactive current of the parallel sources, a circuit 14 for deriving a second direct voltage V2 proportional to the rectified voltage of the sources, a circuit 16 for producing a sensing voltage V3 proportional to the sum of V1 and V2, and circuits 66, 68 for comparing the voltage V3 with a reference voltage, e.g. from a D.C. supply 22. The output signal from either of the circuits 66, 68 may energize a trip coil of a circuit-breaker 4 to isolate a given generator 1. The circuit 12 may comprise a transformer 31 connected across an "equalizer" loop 13, 15 and to a clipper demodulator circuit 36, and a transformer 35 connected across the phases other than that associated with the loop. The voltage V1 from this circuit is applied through a resistor 47 to a terminal 56 also connected through a resistor 59 to the common junction of rectifiers 50 ... 52 which derive the rectified voltage V2. The resulting voltage V3 at the terminal 56 is applied to a circuit 18 which has a voltage sensing portion, a delay circuit portion 65 and a voltage detector portion 66, similar to the circuit of Specification 1,157,733, the output from the circuit 18 indicating an over-excitation fault. The voltage V3 at the terminal 56 is also applied to the voltage detector 68 which provides a signal indicating an under-excitation fault.
Patent GB-964094-A (GB)
Title: Improvements in fruit sorting machines
IPC: B07B13/07
Filed: 1960-11-08
Abstract: 964,094. Endless conveyer belts. J. H. DE GREEF, and J. A. DE GREEF. Nov. 8, 1960 [Nov. 9, 1959], No. 38317/60. Heading B8A. [Also in Division B2] A conveyer belt 2 in a fruit-sorting machine (see Division B2) passes round drums at the ends of a support 1; 22 being a pulley on the shaft of the driving drum, and the belt is restrained from sideways movement by projections 37 from its under side which enter a groove 38, this restraint being necessary because the support 1 is tiltable to incline the belt transversely.
Patent GB-1198073-A (GB)
Title: Photographic Processing Device
Inventor: VANREUSEL GERARD LAURENS
IPC: G03D11/00
Filed: 1966-08-26
Abstract: 1,198,073. Photographic processing apparatus. GEVAERT-AGFA N.V. July 3, 1967 [Aug. 26, 1966], No.38473/66. Heading G2A. Apparatus for use in processing imagewise exposed light-sensitive material comprises a developing station where there is a supply of developing solution, transport means for advancing light-sensitive material along a predetermined path through said station so as to cause said material to become wetted with the developing solution exposure means for uniformly irradiating the light-sensitive material while it is held by said transport means and while it is wet with developing solution supplied at said developing station, and sensing means for controlling the switching on of said exposure means, said sensing means being located in the developing station so as to be actuated by the said light-sensitive material when this reaches a predetermined position along the said path through the developing station. The apparatus may form part of an automatic coinoperated apparatus having a camera section 20 which takes four flash exposures on a strip of photographic paper and transports the cut strip to a processing device which comprises developing, fixing and rinsing tanks 50-52, developing tank 50 having a bank of light - tubes 102 behind a diffusing plate 101 for uniformly exposing the strip during the latter part of development. The length and intensity of exposure may be controlled electrically or by a mask or filter. A microswitch (111) is provided between transport rollers 62 to synchronise energization of lamps 102 with the passage of the strip past the lamps. Part of the developer may be replenished after each strip has been processed.