baber/WOPTO huggingface dataset:
Patent GB-163979-A (GB)
Title: Improvements in and relating to divided rims for wheels of motor-cars and other vehicles
IPC: B60B23/04
Filed: 1921-03-10
Abstract: 163,979. Tastenhoye, H. May 22, 1920, [Convention date]. Detachable-rim attachments to wheels; tyre attachments to rims.-A detachable rim for use with disc wheels consists of two parts 21, 31, Fig. 1, held together by pins 5 on one part entering slots 24 in the other part and being held therein against the pressure of the tyre by pieces 16. Fig. 6 which are placed between the pins 5 and the outer end of the slot 24. The pins 5 project through the inner part 21 of the rim and pass hrough slots 14, Fig. 5 in the edges of the disc 11, and by circumferential movement, engage notches 15 in which they are held by the pressure of the tyre when the pieces 16 are removed. A spring catch 28 may be provided. A lever for facilitating the movement of the rim on the felloe has a tapered end 31, Fig. 8 engaging a slot 19, Fig. 5 in the disc 11 and a corresponding slot in the rim part 21. A curved part 32, Fig. 8 is inserted into a hole on the flange of the rim part 21 and the heel part 33 pressed against the rim part 31 so that the pieces 16 can be removed.
Patent GB-140412-A (GB)
Title: Trailer truck for locomotives
IPC: B61F5/48
Filed: 1920-03-15
Abstract: 140,412. Commonwealth Steel Co., Johnson, B. van H., and Westlake, C. T. Feb. 4, 1914, [Convention date]. Axle-trucks and bogies.-A trailer truck for locomotives is formed in a single piece and has formed integrally with it brackets and bearings to receive the air-brake .cylinder, brake hangers, brake-lever fulcrums, pedestals, centring-device, friction plates, and front pivot. The side members 10, which are box-shaped in cross-section, are formed with friction plates 11 for the supporting-bearings 12 and are arched at 22 to form pedestals 23. The pedestals are provided with bearing- plates 24 to receive the usual journalboxes, and are slotted lengthways at 25 to accommodate the springs bearing on the journal-boxes. The front ends of the members 10 are formed with brackets 19 adapted to receive keys 20 in the lower end of spring hangers, and are connected by an arched transverse member 16 formed with a forwardly projecting bearing 17 to receive the pin which connects the truck to the locomotive frame. The rearward ends of the side members are united by an integral rail 26 of channel or I section formed with brackets 29, 31 to receive the brake cylinder 30 and the centring-device 28, and with lugs 31, 32 to receive the pivots of the brake hangers and brake levers 33.
Patent GB-637626-A (GB)
Title: Improvements in and relating to skipping ropes
IPC: A63B5/20
Filed: 1948-03-13
Abstract: 637,626. Skipping ropes. HEATAN TOYS, Ltd., and HAMPTON, G. B. March 13, 1948, No: 7692. [Class 132 (i)]  A skipping rope is provided with a cavity 7 in each handle in which is housed a hollow ball or dome-shaped head 8 in which the end 10 of the rope is secured, the rope, before being secured in the dome-shaped head. being passed through a cupped ring 12 which is afterwards secured to the handle and forms a bearing against which the dome-shaped head will roll. The dome-shaped head 8 has three prongs 9 as shown in Fig. 2 which engage a knot on the end of the rope. The cupped ring 12 has similar prongs which engage the handle. A ball within which the end of the rope is secured may be used instead of the dome-shaped head.
Patent GB-1244486-A (GB)
Title: An assembly for use in forming brick panels
Inventor: WILLIAMS WILLIAM FFRANGCON FFO
IPC: E04C2/04
Filed: 1968-02-16
Abstract: 1,244,486. Positioning jig for moulding building panels. COAL INDUSTRY (PATENTS) Ltd. 30 Jan., 1969 [16 Feb., 1968], No. 7728/68. Heading B5A. [Also in Division E1] A jig for positioning bricks in a mould for a brick panel has a row of lugs, e.g. 8, projecting from a rod 7 suspended from an upper member 4 which spans the mould, the jig being designed so that either it can be moved longitudinally, i.e. transversely of the mould, to allow the lugs to position alternate brick rows correctly in bond, or, as shown, with a handle on the rod 7 which can rotate the rod to bring a second row of lugs 9 spaced intermediate the lugs 8, into an operative position. In the first-mentioned embodiment (Figs. 3-5, not shown), stops 15 are located on the underside of the top member so that alternate brick rows are correctly located with alternate stops contacting the mould side-pieces 2.
Patent GB-1440621-A (GB)
Title: Automatic cameras
IPC: G08G1/017
Filed: 1973-02-16
Abstract: 1440621 Photographing vehicles NATIONAL RESEARCH DEVELOPMENT CORP 13 Feb 1974 [16 Feb 1973] 7734/73 Heading G2A [Also in Division G4] A composite photograph of a speeding vehicle (which has passed two spaced sensors within a given time) and information relating thereto (e.g. speed of vehicle, time, date and place) is produced using a box 14 containing a camera 15 having front and rear projection systems (for photographing the vehicle and information respectively), an information indicator 44, two xenon flash tubes 32, bundles 46 and 47 of optical fibres for illuminating indicator 44 by means of tubes 32, and trigger means 53 for operating the camera shutter and the flash tubes and for resetting the apparatus. Camera 15 and tubes 32 may have filters 56 and 57 respectively for operation with light of a wavelength of 650-700 millimicrons (outside the range of the human eye). A photograph is preferably taken when the angle subtended at the vehicle number plate by the line between the optical centres of the light source and the camera is 3 degrees. The sensors may be induction loops or pneumatic tubes. The trigger means may include a monostable circuit and an AND gate and the speed determining device may include a bi-stable circuit and a digital voltmeter Fig. 2 (not shown). A video recording camera may be employed for producing an immediate display ahead of the vehicle in addition to photographic information for later use. The display may be on a cathode ray tube or in the form of a polaroid print.
Patent GB-1248532-A (GB)
Title: Grid for color picture tube
IPC: H01J29/80
Filed: 1969-02-12
Abstract: 1,248,532. Making grids for cathode-ray tubes. SONY CORP. 12 Feb., 1969 [12 Feb., 1968], No. 7735/69. Heading B3A. [Also in Division H1] A grid in a colour television tube comprises a number of parallel elongate elements 13 shaped to provide apertures 17 which are wide in the centre and taper at the ends, the apertures having a width in microns given by the equation 122 - αx<SP>2</SP> - #y<SP>2</SP> where x and y are space coordinates and α and # are constants; this reduces microphony, increases the luminance at the centre of the screen, and reduces the effect of the earth's magnetic field. In manufacture, the apertures 17 are made by photo-etching a stainless steel plate which is provided at its edges with a pair of slits 14 opposite every third aperture 17. The tabs 16 formed between the slits 14 are gripped between opposed chucks (Fig. 2, not shown) individually tensioned to produce a desired pattern of pre-tension in the grid elements 13 to reduce the effect of thermal expansion. Support bars are welded to the plate, after which the tabs 16 projecting beyond the support bars are cut off, and the edges of the plate may be cut off at the wide slot 15 provided at each side of the plate. In one example the pitch of the apertures 17 is 600 microns, and the phosphor strips of the screen arranged behind the grid are 210 microns wide.
Patent GB-241454-A (GB)
Title: Improvements in electric iron plugs
IPC: H01R13/713
Filed: 1925-03-23
Abstract: 241,454. Stephens, B. G. C. March 23, 1925. Electrically-tripped switches. - A socket connector for electric irons is fitted with a thermal cut-out comprising a spring-opened switch 20 released by a bimetallic strip 30. The switch is closed by a hand knob 26 and connects the lead 16 to the socket 11, being supported upon the end of the strip 30 against the action of a spring 23. The strip is mounted upon an extension 31 of the .socket. 11 and is adjusted by a screw 33. In a modification the switch arm 20 is forked at 22, Fig. 7, and carries a rocker 35. When first closed the fork 22 rests upon the strip 30 in a position to be released when normal working temperature is reached, the strip 30 then being in such a position that the narrow tooth 30a engages the end 37 of the rocker which is positioned by the screw 39 and pin 38 at its heavier end.
Patent GB-330621-A (GB)
Title: Improvements in tins or like containers to prevent tampering with the contents
IPC: B65D51/20
Filed: 1929-03-11
Abstract: 330,621. Thompson, S. March 11, 1929. Addition to 296,134. Opening by cut. ting or tearing. - Consists in adapting the invention of the parent Specification to tins or like con tainers of the " full aperture " type. Fig 1 shows the paper or like diaphragm c<1> mounted in the flanged metal ring c which is positioned between the inturned edge a of the tin b and a bead or series of indents d on the wall thereof. In the form shown in Fig. 3, the flanged ring f has a peripheral indentation f<1> engaged by the edge e of the tin. The containers are shown as provided with slip-on lids h.
Patent GB-470358-A (GB)
Title: An improved spring device for door handles
IPC: E05B3/06
Filed: 1936-03-17
Abstract: 470,358. Latch handles. LEGGE, J. E., and WILSON, A. H. March 17, 1936, No. 7941. [Class 44] A supplementary spring device for the handle of a door latch comprises a frame 5 with a spring 6 disposed therein having one end secured to the frame and the other end secured to a member situated within the frame and mounted on the handle spindle 8. This member consists of a disc 7 with a square-apertured hub 7a fitting the spindle 8 and in addition the disc has an upturned peripheral lug 7b which abuts the fixed end 6a of the spring to act as a stop for the handle. In assembling the latch and handle, the hub aperture of the disc 7 can easily be lined up since it is yieldingly carried by the spring 6. The frame 5 is formed by two semicircular straps riveted together by offset ends 5a, one pair of ends also securing the end 6a of the spring. The frame 5 is shown housed in a recess drilled in the door and having notches 9b to receive the offset ends 5a, but the frame may instead be fixed on the usual rose plate.
Patent GB-568539-A (GB)
Title: Improvements in and relating to devices for measuring bores and other distances
IPC: G01B5/08
Filed: 1943-05-19
Abstract: 568,539. Linear dimension gauges. BENCH, D. E., and CROSBY, M. A. May 19, 1943, No. 7942. [Class 106 (ii)] A gauge for measuring bores and for other purposes consists of a feeler connected to a pair of beams, the first beam being pivoted at its outer end and connected at its inner end adjacent a fulcrum to the inner end of the second beam, the outer end of this latter beam operating an indicator. The beams are housed in a casing 20, Fig. 2, comprising several detachable parts and provided with a handle 24 whereby the device may be held while being inserted in a bore 33. The first beam 27 is pivoted to the casing at 28, passes over a fulcrum 32 fixed in the casing, and is rigidly attached to the feeler 29. The second beam 30 is also rigidly secured to the feeler and contacts the plunger of a dial indicator 23. Two positioning projections 21 are fixed to the casing 20. In a modification, Fig. 8, the beams 271, 301 are rigidly connected by a block 34 and the feeler 29<1> engages the beam 27<1> between the fulcrum 32<1> and the pivot 281. In further modifications, the feeler is adjustable in length and the position of the fulcrum is adjustable along the axis of the casing.
Patent GB-1100424-A (GB)
Title: Improvements in or relating to magnetrons
IPC: H01J23/10
Filed: 1965-02-24
Abstract: 1,100,424. Magnetrons. KOBE KOGYO CORPORATION. 24 Feb., 1965 [24 Feb., 1964], No. 8057/65. Heading HID. The polepieces of a magnetron are shaped to secure a prescribed fall off of magnetic field with radius in accordance with a specific relationship given in the Specification between field strength and anode voltage so that electrons tend to move in a stable orbit and back-bombardment of the cathode is avoided. The polepieces may be frusto-conical with planar faces or with faces concave towards each other. The magnetron may be of the multicavity type.
Patent GB-374057-A (GB)
Title: Improvements in and relating to electric switches with means to prevent arcing
IPC: H01H1/14
Filed: 1930-11-25
Abstract: 374,057. Automatic circuit-breakers. FERRANTI, Ltd., Hollinwood, Lancashire, and FERRANTI, G. R. Z. DE, (Representative of FERRANTI, S. Z. DE), 177, Chiltern Court, Baker Street, London. Nov. 25, 1930, No. 8166/32. Divided on 369,959. [Class 38 (v).] An automatic circuit-breaker suitable for incorporating in an electricity meter having a current-carrying capacity of about 100 amperes has a fixed contact 20 and a movable contact 21 which is actuated by double toggle mechanism 24, 25, 28, 29. The circuit is closed by moving the toggle-lever 28 which is then held by a latch 33. The circuit is broken when the latch is tripped by a pin 15 on the quantity wheel 13 of the meter, when the contacts separate due to stiff springs 23 attached to the contacts assisted by a spring 14. According to the invention, the contact area is large, the separation is of the order of À01 inch, and the contact pressure is of the order of 100 lb. per square inch, thus preventing local rise of temperature in order to minimize arcing.
Patent GB-526360-A (GB)
Title: Improvements in and relating to automatic pilots for aircraft
IPC: G05D1/08
Filed: 1939-03-14
Abstract: 526,360. Automatic pilots for aircraft. SPERRY GYROSCOPE CO., Inc. March 14, 1939, No. 8170. Convention date, March 24, 1938. [Class 135] An automatic pilot has, for each axis of control, a liquid spun gyroscope responsive to the rate of change of orientation of the craft and directly connected to a control valve so that precession of the gyroscope controls the operation of a liquid-driven servomotor for moving a control surface. Both servomotor and gyroscope are supplied with liquid under pressure from a common source. For controlling the elevator the rotor 13 is mounted with its axis fore and aft in a gimbal 10 rotatable about a vertical axis and has an arm connected by a link with an arm 25 secured on the spindle of a globe valve 6. The ring 10 is urged to its normal position by a spring 15 and by a pendulous weight 16 linked to a second arm on the gimbal ring. To adjust the control point a second spring 21 is arranged between an arm on the pendulous weight and a block 22 adapted to be traversed by a screw 23 rotatable by a head 24. A pump 4 draws liquid from a sump 3 and forwards it through a conduit 5 and flexible pipe 9 to the spinning nozzle 8 and through a port 7 to the control valve. Movement of the control valve in one direction or the other from its central position connects one side of the power piston to the port 7 through one of the pipes 31, 33 and passage 27, 27<SP>1</SP> while the other side is connected to exhaust through the other one of the pipes 31, 33 and one of the side recesses 28, 28<SP>1</SP>.
Patent GB-701767-A (GB)
Title: Silencers for exhaust gases
IPC: F01N1/08
Filed: 1952-04-01
Abstract: 701,767. Exhaust-silencers. MAXIM SILENCER CO. April 1, 1952 [April 14, 1951], No. 8240/52. Class 7(2) A cylindrical shell 10, preferably of elliptical cross-section, is closed at its ends to form a chamber 25 and has one or more outlet conduits 15....18 remote from one or more inlet conduits 13; 14 entering one side of the shell, and a plate 21 extending beyond the inlet conduit or conduits and longitudinally of the shell in spaced relationship to the shell and with its longitudinal edges spaced from the shell. The outlet conduits may be disposed substantially at right angles to the inlet conduits, and may be provided with anti-resonance holes 20. The plate 21 which preferably is of a greater radius than the adjacent wall of the shell may be spaced from the shell by a distance equal to one-third the inside diameter of the conduits 13, 14. In a modification, each pair of outlet conduits is replaced by a single elongated conduit.
Patent GB-803871-A (GB)
Title: Improvements relating to seals between rotating and stationary parts of pumps
Inventor: WAUCHOPE GEORGE ANDREW
IPC: F16J15/40
Filed: 1956-03-16
Abstract: 803,871. Stuffing-box substitutes. GWYNNES PUMPS, Ltd. March 14, 1957 [March 16, 1956], No. 8279/56. Class 122 (5). A seal between the high-pressure and lowpressure zones 1, 2, Fig. 2, of a liquid pump, is provided by forming a clearance zone between a face 7 on one of two relatively-rotatable parts 12, 13 of the pump and a face 5 on a floating ring 6 which is mounted on the other of these parts and urged toward the face 7 by liquid pressure, liquid being permitted to flow to the clearance zone direct from the high-pressure zone and also under pressure through passage 10 of such constriction in the ring 6 as to result in a condition of balance of pressure acting on the ring with the discharge from the passages substantially limited to the amount necessary to prevent contact between the faces 5, 7. As shown in Fig. 2, the ring 6 is mounted on a support 4 fixed to the stationary casing 12 of a double-inlet centrifugal pump and coacts with the eye 3 of the impeller 13. Liquid can flow from the high-pressure zone 1 to the lowpressure zone 2, both directly between the opposed faces 5, 7 and also through the constricting passages 10 and a discharge cavity 9 in the ring 6 into the clearance zone. Fig. 4 shows an embodiment in which a pump suitable for pumping gritty liquids comprises floating rings 6, 61 on opposite sides of the impeller 13 to seal clearances between it and the stationary parts 12, 12<SP>1</SP>. The floating ring 6 is held against rotation by a pin 17 engaging a recess 18 in the pump casing 4, and a reduced portion 8 of the ring 6 is guided in an annular groove 14 supplied by ducts 15 with clean water which is at such pressure that it flows radially through the constricting passages 10, cavity 9 and the clearance zone to both high and low-pressure zones with the self-adjusting action described above. Secondary seals, to prevent the clean water leaking to the low-pressure zone without passing through the passages 10 in the ring 6, are provided by rubber packing rings 21, 21<SP>1</SP> which bear on the guide portions of the rings. Alternatively, the clean water may be supplied to the passages 10 through either a flexible tube arranged in the groove 14 or a bellows device. In a modification, the cavity 9 in the floating ring may be divided into two or more separate segments each in communication with a passage 10, or the ring may be divided into two or more self-adjusting parts. The Provisional Specification describes the seal as applicable between relatively-rotatable members generally.
Patent GB-1203737-A (GB)
Title: Novel catalysts and their use in cationic polymerisations
IPC: C08G65/10
Filed: 1969-02-14
Abstract: 1,203,737. Amine hexafluoroantimonates. KOPPERS CO. Inc. 14 Feb., 1969 [15 Feb., 1968], No. 8283/69. Heading C2C. [Also in Division C3] Novel catalytically-active, compounds of the general formula wherein R, R 1  and R 2  are each H, C 1-20  alkyl, phenyl, alkylphenyl, alkoxyphenyl or chlorophenyl provided that not more than two of said R, R 1  and R 2  groups are H, are prepared by the reaction of an alkaline. salt of fluoroantimonic acid with an acid salt of a suitable amine. In an example anilinium hexafluoroantimonate is prepared from potassium hexafluoroantimonate and aniline sulphate. The compounds are used as polymerization catalysts (see Division C3).
Patent GB-609583-A (GB)
Title: Improvements relating to electric motors and their control
IPC: H02P25/18
Filed: 1946-03-18
Abstract: 609,583. Control of D.C. motors. REYNOLLE & CO., Ltd., A., and ROBERTSON, A. T. March 18, 1946, No. 8293. [Class 38 (iii)] Varying Electromotive Force.-The armature A<1> of a direct-current motor is supplied from either a grid-controlled rectifier B, for normal speed operation, or from a low direct-voltage source, such as a direct-current compound generator C, for low-speed operation. For low-speed operation the motor is connected to the rectifier which is adjusted to provide a voltage which is at least as low as that of the generator C, the contacts T<4> of a relay T being closed to energize relays S and F and connect the motor armature across the low-voltage generator. To increase the motor speed a switch N is closed to energize a pilot motor K which drives a slider L to the right and moves a phase-shifter P to increase the rectifier vottage. When the rectifier voltage increases to a value greater than that due to the generator C, the current in a relay-coil G reverses and contacts T across the motor and open the contacts T‹ to disconnect the motor from the generator C. After the rectifier voltage has reached its maximum value, as determined by the final position of the phase-shifter P, the motor field excitation is reduced bv movement of a rheostat R. To decrease the motor speed, a switch M is closed to move the slider to the left. A coil T<2> is connected across the generator C, and the coil T<1> across the rectifier. When the rectifier voltage falls to a value below that of the generator C, the contacts T, are closed to close the contactor F. The slider may reach its extreme left position and the switch M may be opened before transfer takes place. A relay V is provided to ensure that the coil T<2> remains energized under these conditions so that current operation of the relay T is provided. Both sources may supply the motor at crawling speeds, the reversecurrent relay being temporarily rendered ineffective. The low-voltage source then acts as a stabilizer.
Patent GB-740039-A (GB)
Title: Improvements in tobacco cutting machines
IPC: A24B7/04
Filed: 1954-03-23
Abstract: 740,039. Cutting tobacco. MASCHINENFABRIK A. HEINEN GES. March 23, 1954 [March 31, 1953], No. 8394/54. Class 5 (1). Tobacco 11 fed through a mouthpiece 10 is cut by the edge of an endless driven steel band 13 stretched between rollers 12. The band 13 may be traversed over the mouthpiece by hand movement of its carriage 19. The band 13 may have cutting edges on both sides to cut both ways when it is arranged to be reciprocated. A number of such bands 13 may be mounted radially in recesses on a disc 24 rotated in front of the mouthpiece 10 by a hollow shaft 23 containing a drive shaft 29 for the various belts. The drive shaft 29 operates a reduction gear 31 with bevel drive to a roller 12 for each belt 13. The belts are tensioned by adjusting their slidable bearings 27 by screws 35. The edge of the belt may be kept sharp by a rotated grinding wheel 34. The belts 13 are supported from the inside against the thrust of the outgoing tobacco by guide blocks 28. Instead of the cutting belts, individual knives carried on a flexible element may be used.