baber/WOPTO huggingface dataset:
Patent GB-460966-A (GB)
Title: Improvements in and relating to the electric separation of coal from associated impurities
IPC: B03C7/00
Filed: 1935-08-02
Abstract: 460,966. Sifting-apparatus. APPLEYARD, K. C., POLLITT, S. D., and BIRTLEY CO., Ltd. Aug. 2, 1935, No. 21937. [Class 117] [Also in Group XXX] Coal and like material is marshalled on a jigging shoot or screen with a longitudinally-corrugated upper surface in order to deliver it in separated lines to electrical apparatus for separating the impurities therefrom. The receiving end of the shoot is moved with a curvilinear motion, while the delivery end moves in a rectilinear path parallel to its longitudinal axis. The shoot or screen 1 is fitted near its delivery end with an axle 4 carrying wheels 5 guided in runways 6 whereby lateral movement is prevented. The runways 6 are adjustable in height in slotted supports, as shown in Fig. 2, to vary the inclination of the shoot, and may be set at an angle to the horizontal to throw the material both forward and upward on the forward stroke. At the other end of the shoot a vertical bevel-driven shaft 11 carries an adjustable eccentric 2 which engages spherical surfaces fixed under the screen and imparts a curvilinear motion thereto. A cross-bar 16, Fig. 4, supports the feeding end of the shoot through the medium of steel balls 3 bearing on steel plates 15 on the cross-bar and running in cups 13 attached to the shoot. The brackets carrying these cups are adjustable so that they can be set in a horizontal position for all inclinations of the shoot. The shoot may be curved longitudinally so that the radius of curvature becomes progressively smaller from top to bottom, may diverge at the lower end only or progressively throughout the length, may be of convex formation in cross-section near its delivery end and may be perforated to act as a screen. From the shoot the material passes to a fast-moving belt 8 leading to separating-devices of known kind, for example such as described in Specification 421,401.
Patent GB-406579-A (GB)
Title: Improvements in or relating to articulated connection of two levers
IPC: F16C11/04
Filed: 1933-08-04
Abstract: 406,579. Hinges. NAAMLOOZE VENNOOTSCHAP MACHINERIEEN-EN APPARATEN FABRIEKEN, 30, Croeselaan, Utrecht, Holland. Aug. 4, 1933, No. 21970. Convention date, April 6. [Class 65 (ii).] Rattling at the joints of linkwork is prevented by the pressure of a flat spring. In the case of rods connected by a link of adjustable length, the spring has a longitudinal slot at the upper end through which the pivot pin b passes, and a transverse slot at the lower end, the edges of which pass into a groove in the pin b<1>. The parts c, c<1> are screwed together. To prevent unscrewing, a pin g on the spring engages a groove in the part c. The lower slot allows the spring to be detached when the length of the rod c, c<1> is to be adjusted. In the case of an ordinary rod of fixed length, the spring has holes to pass over the pivot pins and is retained with pressure against the rod by split pins passing through the pivot pins.
Patent GB-1037847-A (GB)
Title: Push-pull staircase voltage generating circuit
IPC: H03K4/02
Filed: 1964-05-27
Abstract: 1,037,847. Staircase - wave generators. THOMPSON RAMO WOOLDRIDGE Inc. May 27, 1964 [May 27, 1963], No. 21971/64. Headings H3P and H3T. [Also in Division G1] A circuit for generating in push-pull a waveform having two steps comprises a chain of four resistors across a D.C. supply and two devices which are capable of being switched to have a low or an infinite impedance, the first device being inserted between the second and third resistors of the chain and the other shunted across these resistors; on energizing the devices in the above order to their low-impedance states stepped waveforms are obtained across the end resistors of the chain. Preferably (see Fig. 2) a capacitor 65 and high resistance 62 are included, and the four resistors 42, 44, 46, 48 are of equal value. In the rest state both variable impedance devices (thyratrons 66, 94) are non-conductive and the potentials at points 52 and 58 are + 1700 v. and earth respectively. The first trigger pulse is applied to the " grid " (actually the shield) of the thyratron 66, which has half the D.C. supply voltage on its " accelerating anode " (actually the control grid); when this thyratron conducts, the potentials at 52 and 58 change by  of the supply voltage in downward and upward directions respectively. Capacitor 70 prevents uneven voltage distribution due to partition of the current among different electrodes of the thyratron. Capacitors 84 and 88 prevent slowing-down of the voltage rise due to stray capacitances 124, 126. The second trigger pulse (which must be applied before capacitor 65 has discharged appreciably) turns on transistor 104 to discharge capacitor 118 through transformer 116 and thus apply a pulse to the " grid " of the thyratron 94. When this fires, points 52 and 58 are shorted and reach a potential of ¢ of the supply voltage. Zener diode 110 protects the transistor from the voltage step at 58, which may be fed back across the self-capacitance of the transformer. When the voltage on capacitor 65 is no longer sufficient to maintain both thyratrons conducting, the voltages return to their original level, since the current through 62 is insufficient to sustain ionization in the thyratrons. Resistors 72, 100, 121 and 122 damp out parasitic oscillations, and the former pair can be used to provide gating pulses. The circuit is used for deflecting the beam of an image-converter tube in an electronic camera system (see Division G1).
Patent GB-933929-A (GB)
Title: Improvements in or relating to retaining devices and apparatus
IPC: F16L3/233
Filed: 1960-06-23
Abstract: 933,929. Cable clips; conduits. PAUL HELLERMANN G.m.b.H. June 23, 1960 [June 25, 1959], No. 21972/60. Class 36. [Also in Group XXV] A retaining device for an elongated object such as a cable or conduit comprises a base member of electrically insulating resin, and having three parallel bridging parts 1, 2, 3 which are joined to end walls 4, 5 so as to form slots 12, 13 through which a cable retaining strip 9 passes, encircling the cable 10, and secured by a locking bar 11. Bridging part 3 carries a fixing bolt 6 which is secured to a wall by a washer 7 and nut 8. Parts 1, 2 are chamfered to accommodate the cable form 10.
Patent GB-1270562-A (GB)
Title: Joint sealing device
Inventor: FEISTER JOHN FANNING
IPC: E01C11/12
Filed: 1969-04-30
Abstract: 1,270,562. Expansion joints. J. F. FEISTER. 30 April, 1969 [17 May, 1968], No. 21984/69. Heading E1B. Expansion joints are formed in a continuous concrete body by forming a saw cut 21 to initiate cracking and sealing a wider groove 13 at the surface with a resilient strip 29 having tensile reinforcement 30 and 31 extending therethrough and therefrom and secured in place by angle members 46 and 47. The strip 29 is inserted in U configuration with the inner faces of the legs held together by a pressure sensitive adhesive. The surfaces 39 and 40 are coated with lubricating adhesive. The reinforcement is tensioned before securing in position and may be stainless steel or polyester or nylon. Alternatively the ends of the reinforcement are secured around pins embedded in the side faces of the concrete slabs.
Patent GB-388310-A (GB)
Title: An improved apparatus for limiting the zones of action of single-phase superposed controlling frequency currents between two star-star-connected network sections
IPC: H02J13/00
Filed: 1932-08-05
Abstract: 388,310. Distant control by superposed currents. LANDIS & GYR AKT.-GES., 1, Hofstrasse, Zug, Switzerland. Aug. 5, 1932, No. 22000. Convention date, Aug. 14, 1931. [Class 38 (iv).] The transmission of single phase control currents into undesired sections of a network is prevented by a transformer 2 in the neutral conductor, which induces in the undesired section a voltage opposed to that which may be induced in that section by the normal star-star transformer coupling. The coupling ratio of the transformer 2 may be adjustable.
Patent GB-1431198-A (GB)
Title: Conveying mechanisms
IPC: B65G47/31
Filed: 1973-05-09
Abstract: 1431198 Roller conveyers for electric lamp bulbs S I LEVIN V T SAMONOV N I TSY GANKIN and N S KHORONEKO 9 May 1973 22019/73 Heading B8A A roller conveyer for feeding lamp bulbs (not shown) to an automatic exhausting-and-sealing off machine (not shown) comprises a series of roller conveyer sections. The number of successive rollers of a given section is greater than the number of rollers of a section downstream relative to the first-mentioned section. Each roller consists of a series of discs 15 mounted on a spindle 14. The common diameter of the discs of a given spindle is greater than the diameter of corresponding discs on a spindle in downstream relation to the first spindle. The diameters of drive sprockets 25 and 26 coupling each spindle 14 to its adjacent spindles, are so arranged that the speeds of the rollers increase progressively in a downstream direction. The lamp bulbs are confined on the conveyer by side walls 4, 4.
Patent GB-477470-A (GB)
Title: Improvements in or relating to railway signalling apparatus
IPC: B61L29/32
Filed: 1936-08-11
Abstract: 477,470. Railway signalling-apparatus. LORENZ AKT.-GES., C. Aug. 11, 1936, No. 22113. Convention date, Aug. 13, 1935. [Class 105] In railway signalling-apparatus in which two manual operations should be performed in a certain sequence a warning signal comes into action if the wrong operation is performed first but is cancelled as soon as the other operation is performed. For example the starting signal for a train should not be put to the clear aspect until level-crossing bell signals have been put into operation by a hand generator J at the station actuating the windings Q at the crossings. Operation of the generator changes over the contact T, and the generator thereupon energizes the windings Q and also briefly energizes a winding I of a relay R over a back contact ro ; the relay R is held by a second winding II over a front contact r and back contacts s, l of relays S, L. If the starting-signal lever is now actuated a contact a1 is closed ; this energizes the relay S since the front contact r1 is already closed and accordingly a back contact s1 opens to prevent the warning signal W coming into operation. It should be noted that winding II continues energized over a lever contact a2 in parallel to the contact s which has now been opened. If, however, the starting signal lever is actuated before operating the generator J the closure of lever contact a1 energizes the warning signal W which continues in operation until the ringing generator J is operated whereupon the relay R is picked up and held so closing the front contact r1 to energize the relay S which then opens contact s1 to cancel the warning signal W. When the lever is put back the stick circuit of winding II of relay R is broken at contact a2, it being noted that the parallel back contact s was opened by the energization of the relay S. If the far station energizes the ringing windings Q a line relay L changes over its contacts l, l1, l2, l3 to prevent the relay R being operated. If the relay R has already been picked up it remains energized over a front contact h of a relay H which is energized over the front contact l1. When the far station ceases its operation, the relay L restores the contacts l ... l3 so that the relay R continues energized but now over back contacts s, l. Accordingly if the lever is now moved over to clear the starting signal the warning signal W does not come into operation; An arrangement is described in which a ringing operation from the far station energizes a slow-return relay such as a mercury relay to prevent the near station sending a ringing impulse until the level crossing bells have been in action for the normal time in response to the action at the far station.
Patent GB-199341-A (GB)
Title: Improvements in and relating to friction clutches
IPC: F16D13/70
Filed: 1922-08-14
Abstract: 199,341. Schneider et Cie. June 15, 1922, [Convention date] Clutches, friction employing centrifugally-operated shoes. The shoes are in the form of pairs of pistons guided in cylindical housings arranged parallel to the shafts and carried by the driving- member, the pistons of each pair being moved apart for engagement by toggle, links pivoted on the axle cf disc-shaped weight lying in a radial plane. Provision may be made for facilitating engagement on starting and for holding the shoes out of action. The arrangement permits slight lateral and longitudinal freedom of the shafts. A driving-shaft A carries a member C provided with cylindrical housings C<1>. in which slide light telescoped pistons C<2>, C' faced with friction discs c<2>, c<3>. Weights F are connected to the pistons by forked toggle links E, the parts C<1>, C<2>, C<3> being gapped to allow movement of the weights. The driver shaft B carries a disc D<1>, to which are bolted a drum D and a ring D<2>. The clutch may be enclosed by a plate D<3> having a gland d<3> in contact with a collar a on the shaft A. Radial barrels C<4> secured to the member C guide cups G<1>, G<2> serving as abutments for springs G. Each cup G<2> is connected by a link H to a sliding collar I and by a pair of slotted links J to the axle pin f of a weight F, the other cup G<1> bearing directly on the weight. In the configuration shown in the upper half of the Figure, the pistons C<2>, C<3> are held out of action. On moving the. collar I by means of a fork L, collar K, and rods I<1> to the position shown in the lower half of the Figure, spring pressure acts on the weights F to produce a small engaging-force when starting or when the shaft B is driving. The weights F roll over the cups G<1> during relative axial movement of the shafts.
Patent GB-858293-A (GB)
Title: A device for forming an integration signal modulated upon a carrier frequency
IPC: G06G7/184
Filed: 1957-07-12
Abstract: 858,293. Non-linear circuits. REGULAVYVOJ, NATIONAL CORPORATION, and VORLICEK, I. July 12, 1957 [July 13, 1956], No. 22153/57. Class 40(6). [Also in Group XXXVI] For time integrating a signal modulated on a carrier frequency, the combined signal at terminals 1, 2 is connected over resistors R 1 , R 2  to fixed contact K 1  of a vibrator whose fixed contact K 2  is connected to the grid of unity gain triode V and shunted to earth by resistor R 3 . Moving contact P of the vibrator oscillates between K 1 , K 2  at the carrier frequency and is earthed over capacitance C 1 . The aritiphased output of the triode is resistance capacitance coupled over series resistance R 5  to the junction of R 1 , R 2  so that on alternate half cycles of the carrier the capacitance samples the instantaneous amplitude of the input signal and on the remaining half cycles connects it to the grid of triode V which amplifies a rectangular pulsating signal and feeds it back positively to the vibrator input, since the phase of the original input signal is reversed by the vibrator, with such magnitude that the resultant output signal at the anode of V is a train of rectangular voltage pulses at carrier frequency whose amplitude envelope represents the first interval of the modulation envelope of the input. In a modification (Fig. 2 not shown) the mechanical switching vibrator is replaceable by a switching bridge rectifier controlled by a reference alternating voltage at the carrier frequency.
Patent GB-221833-A (GB)
Abstract: 221,833. Shipley, B. M. Jan. 2, 1923, [Convention date]. Keyboard interlocks for cash registers.-To prevent depression of a key in two adjacent bands simultaneously, a sleeve 124 is slidable to a limited extent along a shaft 556 and co-operates with the tails of levers 130 pivoted to the key banks and connected to the key detent plates 121. As shown in Fig. 5 arms 936, 958 are secured to the shaft 556 and between them are arranged a spacing sleeve 125<a> and four sleeves 125, 123, 124 and 126. The sleeves can slide only to the extent of the width of a lever 130 and they are formed with flanges 127 cut away at adjacent corners to provide notches for the entry of the bevelled edges of the levers 130. The zero trip pawls 112 of the banks in question are rocked to ineffective position in the usual manner by the movement of the levers 130 through the medium of pins 132 on the pawls.
Patent GB-629041-A (GB)
Title: Improvements in or relating to apparatus for use in intravenous administration of liquids
IPC: A61M5/14
Filed: 1947-08-11
Abstract: 629,041. Surgical injection apparatus. ABBOTT LABORATORIES. Aug. 11, 1947, No. 22280. Convention date, Oct. 5, 1946. [Class 81 (ii)] [Also in Group XXIX] Apparatus for the intravenous administration of liquids comprises a cap for the liquid container having a nozzle, leading to an outlet and flexible delivery tube, and also a non- return valve in an inlet aperture. The screw cap 4 clamps the resilient closure member 9 against the rim of the flask 1 or other container. The member 9 has an outlet duct 16 extending through a nozzle 14 on which a glass sight tube 37 may be pressed. A second aperture 20 communicates with a metal valve member 24 enclosing a ball type non-return valve 28. An outlet tube 38, preferably of transparent plastic, leads to a conical union piece 41 for connection to the needle holder. Normally the valve body 24 is provided with an air filter consisting of a card or similar tube 33 retaining a cotton wool wad 35, but the orifice of the body is tapered to fit the union member so that the outlet of one container may be connected to the inlet of another in the manner shown. This arrangement is used when the total volume of liquid required is greater than the content of a single flask. A tubular filter element 21 may be fitted over an internal boss aligned with the outlet aperture. The rate of flow is controlled by an adjustable plate 43 having a tapered hole 44 in which the feed tube is constricted. The apparatus is sterilized and packed in a sealed container comprising, in an outer rectangular carton, an elongated cardboard spool on which the feed tube is wound and having internal partitions which locate the cap and union members. Sterilised removable caps are placed over the ends of these two members before packing.
Patent GB-267406-A (GB)
Title: Improvements relating to direction indicators for vehicles
IPC: B60Q1/34
Filed: 1926-09-10
Abstract: 267,406. MacKenzie, W. R. Sept. 10, 1926. Addition to 263,243. Road-traffic signals on vehicles.-The spring used in the parent Specification for returning the indicating hand to its normal position is dispensed with, the hand 1 being moved positively in both directions by duplex Bowden wires. The shaft 3 of the hand is rigid with a pulley 7, the two Bowden wires 20 passing round the groove of the pulley and being held by enlarged portions at their end. At the hand-lever end the wire 20 is held on a slotted screw 45 by a nut 46, the screw being on the lever 23 and the nut being accommodated in a recess 47 in a, pulley 44 around which the wire 20 passes. A spring 48 between this pulley and the hand-lever, presses the latter into notches 49 in a fixed boss 25<a> to retain the hand in its set positions.
Patent GB-852919-A (GB)
Title: Improvements in or relating to the production of finger print impressions
IPC: A61B5/117
Filed: 1957-07-15
Abstract: 852,919. Paper for finger-prints. REED, K. J. July 11, 1958 [July 15, 1957], No. 22348/57. Drawings to Specification. Class 96. [Also in Groups XV and XVI] A finger-print reception sheet e.g. of cast coated paper, has a surface layer containing a chemical reactant, e.g. tannic acid applied in aqueous ethyl alcohol, to form a coloured impression (e.g. of ferric tannate) when e.g. a ferric salt is transferred thereto from an " ink reservoir " pad by the fingers.
Patent GB-854725-A (GB)
Title: Improvements relating to the control of floating bodies
Inventor: REDDING ROBERT JAMES
IPC: F16K33/00
Filed: 1958-07-11
Abstract: 854,725. Liquid-level indicators. EVERSHED & VIGNOLES Ltd. Aug. 14, 1959 [July 11, 1958], No. 22353/58. Class 123(1) [Also in Group XXIX] A float 4 is guided in a tank 1 by means of three nylon ropes 5, 6 and 7 which pass through openings in the float. The ropes are clamped at their lower ends between two halves 10, 11 of an anchor plate which rests on the bottom of the tank, part of the weight of the anchor being supported by the ropes 5, 6, 7. The upper ends of the ropes are secured to a support 2 by means of clamps 12 which have a non-return action to allow each rope to be pulled freely in an upward direction but prevent it from moving downwardly in the reverse direction. Specifications 639,339 and 834,436 are referred to.
Patent GB-311607-A (GB)
Title: Improvements relating to adjustable stays or fastenings for the windscreens of motorroad vehicles and like hinged or pivoted panels
IPC: E05C17/30
Filed: 1928-08-02
Abstract: 311,607. Bach, C. H. Aug. 2, 1928. Stays.-An adjustable stay for windscreens and like members comprises telescopic members 10, 11 pivotally connected to the screen and frame 12, 13 respectively, and a link-like member 16 rigidly secured to the screen and slidably connected with the telescopic members, means being provided to secure the members 11, 10. 16 together and the screen in an adjusted position. As shown, the member 10 carries a pin 14 that has a slidable connection with the slot of the member 16. When a nut 15 is screwed down the tubular member 10 binds on the rod 11 and the washers 17 secure the telescopic links to the slotted member 16. In a modification the member 16 is guided in a. slot in the' rod 11. A coil spring may be housed in the telescopic member 10.
Patent GB-290084-A (GB)
Title: Improvements in support for electric-flashlights or battery lamps
IPC: F21V21/14
Filed: 1927-08-25
Abstract: 290,084. Embury, W. C. Aug. 25, 1927. Supporting.-A collapsable support for an electric flash-lamp comprises a standard pivoted to the lamp and a base having a pivoted supporting bar adapted to extend along the base or at right angles thereto. In one form, a standard 4 is pivoted to, and adapted to fit into, a channelshaped base 5 provided with a pivoted bar 8. The standard 4 is formed with a shoulder 7 adapted to engage the bottom of the base 5 and may be locked in position by a slidable ring 10 engaging a notch 11. In a modification, the ring 10 is mounted on a reduced portion of the standard. In a second form, a standard 12 is pivoted to a base 15 provided with a pivoted bar 17 having legs 18 adapted to fit in recesses in the base. The pivot pin 21 may engage an elongated hole in the standard and the latter be provided with a slot forming a continuation of a shoulder 16 so that the standard may be moved laterally to engage the bottom of the base 15 in the slot to lock the standard in position. In a third form, a standard 75 is slidably connected by a slot 77 to the pivot pin connecting a bar 79 to a base 78. In other forms, the standard is detachable from, and adapted to be fitted into, a channel-shaped or tubular base. The standard' and a friction washer 56 may be secured by a hollow rivet 53 to a flexible band 50, which is clamped on the lamp by threading a screw 55 into the rivet 53.
Patent GB-441561-A (GB)
Title: Mouth-piece for brass-band and like wind instruments
IPC: G10D9/02
Filed: 1934-08-01
Abstract: 441,561. Wind musical instruments. WOOLLEY, F., 22, Lindhurst Road, DAWSON, S., 19, Somerset Street, and WOOLLEY, R., The Clough, Grasscroft, all in Oldham, Lancashire. Aug. 1, 1934, No. 22400. [Class 88 (ii)] For ease in playing and in varying the pitch of notes, the mouthpiece of a cupped instrument comprises a mouth - contacting part b mounted on a sleeve b<1> to slide, by lip pressure and against the resilient action of a cork or like ring d or a spring c or both, with respect to and around the cup, which is formed either on a removable mouthpiece or as the shaped blowing end of the instrument. The tension of the spring and the normal position of the mouth-contacting part may be adjusted.