baber/WOPTO huggingface dataset:
Patent GB-847012-A (GB)
Title: Improvements in or relating to guided skip hoists
IPC: B66B17/26
Filed: 1958-04-08
Abstract: 847,012. Operating the doors of skips in skip hoists. PREPARATION INDUSTRIELLE DES COMBUSTIBLES. April 8, 1958 [July 25, 1957], No. 11083/58. Addition to 795,571. Class 78 (4). A connecting rod 6 opening the door 1 of the skip of the parent Specification travels in guides 9 shaped so that the connecting rod passes through a dead-centre as the door closes. In the construction illustrated two connecting rods 6 are guided by rollers 8 in guides 10 which have a straight portion 9, a portion between the radii 11, 12 in which the mechanism passes over a dead-centre, and an arcuate lower portion. A shaft 7 joining the connecting rods 6 can be engaged by a hook 23, 24 on a carriage 19 guided by rollers 20, 21 to be raised and lowered in guides 22 by an hydraulic ram. A lock 14 which normally lies across the guides 9 when the door 1 is closed is pushed aside when a roller 17 engages a cam surface 18 as the carriage 19 rises. As the rollers 8 rise in the guides 9 they press against ramps 29 to force a sealing frame 26 about pivot 27 on the skip against the bias of springs 28 into engagement with a seal on the receiving hopper. The door 1 of the skip is provided with the usual pivoted sealing frame 3. Specifications 812,859 and 831,702 are referred to.
Patent GB-669351-A (GB)
Title: Improvements in, or relating to, convection furnaces
IPC: F27D11/02
Filed: 1949-04-27
Abstract: 669,351. Heat-treatment furnaces. BIRLEC, Ltd., and HARRIS, J. July 27, 1950 [April 27, 1949], No. 11130/49. Class 51 (ii). In a convection furnace wherein the work undergoing treatment is heated by forced circulation of the furnace atmosphere gas through a closed system which includes the heat treatment chamber and a separate heating chamber where the atmosphere gas is heated, the load 4 is disposed within a tubular heat treatment chamber 1 which is surrounded by a heating chamber 2 containing successive groups of resistors 5 and 6 having a main thermocouple 7 disposed therebetween and the atmosphere gas is circulated by a fan 3, a second thermocouple 8 being disposed in the outlet from the fan. The main thermocouple 7 is adapted to control the power input to the resistor groups 5 and 6 so that the gas issuing from the group 5 is raised to a predetermined temperature and the increment of temperature increase is the same at both groups. The thermocouple 8 is adapted to control the power input to either or both resistor groups so that the atmosphere gas temperature does not exceed a given maximum.
Patent GB-513502-A (GB)
Title: Improvements in electro-magnetic indicators
IPC: G08B5/24
Filed: 1938-04-12
Abstract: 513,502. Electromagnets. LIST, H. April 12, 1938, No. 11136. Convention date, April 12, 1937. [Class 35] [Also in Group XXXVIII] The armature 8 of a two-position indicator is arranged within the operating coil 5 and normally lies adjacent one pole 3 of a yoke member having a second pole 10 external to the coil. The armature and pole 10 are provided with overturned ends and the arrangement is such that when the coil 5 is energised, the armature is repelled by the pole 3 and attracted by the pole 10 to produce a more uniform force throughout the stroke of the armature. The armature is restored to its normal position by a spring 9 which is held in position by the end 8' of the armature which may be pivotally mounted as shown or supported on a knife-edge bearing on the yoke.
Patent GB-271060-A (GB)
Title: Improvements relating to centrifugal machines
IPC: B04B9/08
Filed: 1927-04-26
Abstract: 271,060. Naamlooze Vennootschap de Vereenigde Ijzerfabrieken de Vijf. May 12, 1926, [Convention date]. Driving. - A centrifugal machine, particularly a machine for spinning artificial silk, is provided with means to ensure that the shaft bearing the centrifugal cup executes an upward and downward movement. In the form shown in Fig. 1, the shaft 1 carries the cup 2 and is permitted by the feather 4 to slide in the sleeve 6 while rotating with it. The casing supports the stator 3 of the motor and the rotor is attached to the sleeve 6. Wheels 8, 12 with differing numbers of teeth are secured to the subsidiary shaft 13, and the former 8 gears with a driving wheel 7 on the sleeve 6 while the latter 12 gears with a wheel 11 having a stud 10 moving in right and left-handed threads on the lower portion 9 of the shaft 1. The movement of the stud 10 while the machine is operating causes the shaft 1 to move up and down. The lower portion 9 may be fitted removably to the shaft 1. In a modification a worm on the sleeve 6 operates a worm-wheel and an eccentric disc thereby causing a lever to oscillate to raise and lower the shaft 1. In another modification a cylinder 23, Fig. 3, is driven from the sleeve 6 through worm gearing, and has a helical groove 22 in which runs a roller 24 on a rod 25 which is free to slide in its supports. This rod. in turn, is connected by a rocking lever 28 to a rod 29 which is attached by a ball joint 30 to the machine spindle 1. This joint may be replaced by a disc in ball bearings.
Patent GB-551695-A (GB)
Title: Improvements relating to toilet mirrors
IPC: A45D42/10
Filed: 1941-09-02
Abstract: 551,695. Looking-glasses. MARGOLIS, W. Sept. 2, 1941, No. 11181. [Class 52 (iv)] A shaving mirror 11 has a transparent portion 14 in its surface in front of an electric lamp 13 mounted in a casing 12 screwed into a boss on a back 10a spaced from the back surface of the mirror to provide a space for hot air circulation to prevent steaming of the mirror. The lamp casing may serve as a strut, and the casing parts may be formed of synthetic resin. The mirror is freely slidable in grooves in the sides of the casing:
Patent GB-1422463-A (GB)
Title: Process and a device for the untangling and dispersion of a predominantly fibrous materials
IPC: D21D1/00
Filed: 1973-03-07
Abstract: 1422463 Cylindrical mills LONZA LTD 7 March 1973 [8 March 1972] 11228/73 Heading B2A A cylindrical mill for defibering tangled fibrous materials in a suspension comprises a rotor 3 arranged to rotate about its longitudinal axis in a stator 1 whose inner cross-section bounds a circle. The stator casing has a peripheral series of axially extending recesses in the wall and the rotor has a corresponding series of flat sides 2. The rotor may be triangular with sharply rounded corners. Alternative cross-sections are shown in Figs. 4, 5, 6. Raw material is supplied via a feed line 4, and fluid via a line 7. Fluids may be water/glycol acetone, alcohols or other hydrocarbons. Gas is removed via a vent 8. Discharge is via outlets 6. A space is provided before the rotor to permit thinning of the suspension. More than one rotor may be provided. Typical fibrous material may be monocrystalline whiskers e.g. SiC or Al 2 O 3 .
Patent GB-466982-A (GB)
Title: Account book with main leaves and interposed shorter interleaves
IPC: B42F13/12
Filed: 1936-04-20
Abstract: 466,982. Loose-leaf account books. KONICKE, G. April 20, 1936, No. 11253. [Classes 16 and 146 (i)] In a loose-leaf account book full-sized leaves alternate witl relatively narrow leaves al mounted on spaced pins or the like carried by an L-shapec angle bar. As shown, the ba: g, l carries screw - threaded filing-pins r on which the leaves and covers are retained by nuts x. The covers comprise side members hinged at k to narrow strips q filed on the pins r. The narrow leaves act as continuation leaves for accounts written on the full-sized leaves.
Patent GB-435059-A (GB)
Title: Improvements relating to butterfly valves
IPC: F16K1/228
Filed: 1934-04-14
Abstract: 435,059. Valves. BOVING & CO., Ltd., and LUNDGREN, G. H., 56, Kingsway, London. April 14, 1934, No. 11295. [Class 135] A butterfly valve particularly for regulating the flow in hydraulic pipe lines for water turbines has an inflatable flexible tube d extending around the periphery of the valve blade a and over the trunnions b on one face only of the blade, the tube being secured in an undercut groove in the blade a and trunnions b by retaining strips, e.g. screwed to the blade a so that by detaching the strips, e.g. the tube d can be removed without disconnecting the blade a. One of the parts d<1> of the tube d extending around the trunnions b has a radialnipple d<2> extending into a radial passage communicating with an axial passage j in the trunnion b through which the tube may be inflated. The admission and discharge of fluid, which may be water or air under pressure, to and from the tube d may be controlled by a valve operated automatically, e.g. by the operating mechanism of the butterfly valve to admit inflating fluid to the tube when the valve is closed and to connect the tube to exhaust on the initiation of the opening of the valve. The tube d is of reinforced rubber lined with a flexible helical metal core.
Patent GB-662882-A (GB)
Title: Collapsible carrier
IPC: B62B1/04
Filed: 1949-04-28
Abstract: 662,882. Golf bag carriers. WATSON, H. G. April 28,1949, No. 11342/49. [A Specification was laid open to inspection under Sect. 91 of the Acts, Oct. 29, 1949]. Class 108 (i) A golf bag carrier has a backbone 10 to the underside of which is secured a housing 26 to which is pivotally attached a frame 30 carrying pivoted legs 35, 36, 37 and 38. The outer ends of the legs carry blocks 45 45a to which the wheels are pivotally secured. Struts 61. 62 are also provided to maintain the carrier in its extended or collapsed condition by engagement with recesses 51, 52 in the frame 30 and recesses 53, 54 in the blocks 45a and 45. The carrier is collapsed by sliding the struts 61, 62 along the pivot pins against the action of springs 47, thereby disengaging the struts from the locking recesses, the blocks 45, 45a are then folded inwardly and the legs collapsed outwardly and the frame 30 is rotated to bring he legs alongside the backbone. Another embodiment is described in which the axes of the pivot pins for the wheel-supporting members are at right-angles to the backbone 10.
Patent GB-898504-A (GB)
Title: Improvements in or relating to transistor switching circuits
Inventor: GAWTHORP HUGH GEORGE WALTER
IPC: H03K17/12
Filed: 1959-04-03
Abstract: 898,504. Transistor switching circuits. NATIONAL RESEARCH DEVELOPMENT CORPORATION. June 21, 1960 [April 3, 1959], No. 11368/59. Class 40(6). A switching circuit including a transistor, a driving transistor controlling the switching transistor, and a second driving transistor connected immediately to the base of the switching transistor such that the emitter-collector path of the second driving transistor may be rendered  fully conducting to give substantially zero impedance between the base of the switching transistor when cut off and a bias source. A switching circuit for a magnetic core comprises two transistors Q1, Q2 having their emitter-collector paths in series, the collector of Q2 being directly connected to the base of a third transistor Q3 which has the magnetic core connected as its collector load between terminals A3, A4. Antiphase switching signals applied to terminals A1, A2 cause transistor Q3 to switch whilst maintaining a low impedance path in the base circuit. In an alternative embodiment Fig. 1 (not shown), the transistor A3 is replaced by eight transistors in a series-parallel arrangement.
Patent GB-631454-A (GB)
Title: Improvements in or relating to winding gear and particularly lifting and lowering gear
IPC: B66D1/34
Filed: 1946-04-13
Abstract: 631,454. Roller shutters. FARTHING, V. L., and HOWELL, E. A. April 13, 1946 No. 11388. [Class 20(iii)] [Also in Groups XXVIII and XXX] A roller blind 12 is supported at each end by an angle iron 14 which is attached to a sleeve 15 and each sleeve is free to rotate on a spindle 11. After unwinding the  blind, accidental continued rotation of the spindle does not wind up the blind and the angle iron has to be deliberately fixed in the rebate 16 of a roller 10 before it can be wound up.
Patent GB-251655-A (GB)
Title: Improvements in and relating to metal tubing machines
IPC: H01B13/26
Filed: 1926-04-30
Abstract: 251,655. British Thomson-Houston Co., Ltd., (Assignees of Wilson. C. E., and Huenerkopf, H.). April 30, 1925, [Convention date]. Angular bending; coiling; coiling-dies; winding.-In a machine for making flexible metallic tubing such as conduit or armoured cable, a loose coil of core material is freely payed out axially from a rotatable support, the metal strip is passed through a helical die to coil it round the core, and the product passes axially from the die into and is formed into a coil in a rotatable receptacle without the application of tension thereto. A loose coil 9 of core material is placed in a pan 10 provided with a hinged lid 13 and carried by a hollow shaft 11 rotated by gearing 14, 15, 17, 18 from a hollow shaft 19, which is driven from an electric motor 8 through chain gear 52 and helical gear 55, 56. The core is secured at one end in a clip 12 and the other end is payed out through the hollow shaft 11 through a helical die 44 by which the strip is wound on the core, and the product passes through the hollow shaft 19, is deflected sidewise by a conical projection 60 in a rotatable receiving pan 20 and assumes a coil form by centrifugal force. The pan 20 is loosely mounted on a shaft 24 journaled in a heavy block 25 and is driven by the engagement of teeth 23 thereon with teeth 22 on a cover 21 fixed to the shaft 19. The strip 30 is forced through the die 44 by rolls 31, 32, which first bend the strip into S section, the roll shafts 33, 34 being geared together and driven through change gears 38, 59, 58 from a pinion 57 on the shaft 19. The roll shafts are mounted in a bearing block 35 having a screw-adjusted section for adjusting the shaft 34 relatively to the shaft 33. The die 44 consist of a slab of tempered steel having a helical slot with a grooved wall 46 and is secured by a screw 50 and filler 49 in a slot 48 in a bracket 47. The bearing block 25 is normally held in raised position by counterweights 26, but may be drawn down by a treadle lever 63 connected thereto bv a link 65 so as to free the pan 20 from its cover and lower it on to the guides 61 from which it may be moved laterally in order to remove the finished coil. The coil is then tied up ready for the market. The treadle lever is provided with two holes so that it may be locked in either position by the finger of a spring-pressed latch-lever.
Patent GB-117464-A (GB)
Title: Improvements in or relating to Hauling or Winding Machinery.
IPC: B66B5/08
Filed: 1918-07-13
Abstract: 117,464. Oesterreichische Siemens- Schuckertwerke. Juno 20, 1917, [Convention date]. Stopping automatically at end of run. - The brake lever B of winding machinery used in mining &c. is moved to apply the brake at the end of the run by the action of one of the cams S on the lever R. The cams S are carried by a disk K which is geared to the winding-drum T. A spring F is placed between the lever B and the lever R to permit the brake to be taken off by hand for starting the return run.
Patent GB-1120733-A (GB)
Title: An improvement in or relating to socket spanners and the like
Inventor: MELDRUM BERNARD ALAN
IPC: B25B23/00
Filed: 1965-03-18
Abstract: 1,120,733. Spanners. THOMAS MELDRUM Ltd. 16 March, 1966 [18 March, 1965], No. 11606/65. Heading B4W. A socket spanner comprises a body part 10 and a lever 12 connected to the body by means of a universal joint 14 which includes a torque transmitting block 16 one end of which is connected between a pair of lugs 18 formed integrally on the body part and the other end of whioh is pivotally connected to the arms 20 of the bifurcated end of the lever 12. The arrangement is such that when the lever is swung relative to the body part the arms 20 of the bifurcated end of the lever at least partly embrace and make surface-to-surface contact with both sides of either of the lug members.
Patent GB-549593-A (GB)
Title: Device for maintaining the keenness and lengthening the life of razor blades or like sharp edged articles
IPC: B24D15/08
Filed: 1941-09-12
Abstract: 549,593. Sharpening razor blades &c. ROWE, A. F. S. Sept. 12, 1941, Nos. 11684 and 15067. [Class 60] Razor and other blades are sharpened by rubbing on a curved hone formed of a strip of steel or plastic material 1 maintained in a curved form by a band 2 of flexible metal, celluloid &c. The surface of the strip 1 may be smooth or may be roughened as by etching. The band may be formed as or may carry a pad on which the blade may be dried or the back of the strip 1 may be adapted for this purpose. The active honing surface is covered with a thin film of oil which may be supplied from a transverse trough by a wick or wiper 6, Fig. 4. The ends of the strip 1 may be bent over or beaded to protect the tie 2 from wear or damage.
Patent GB-129139-A (GB)
Title: Improvements relating to Retorts for use in the Destructive Distillation of Coal and the like.
Inventor: WEST JOHN
IPC: C10B31/06
Filed: 1918-07-17
Abstract: 129,139. West, J., and Wild, W. July 17, 1918. Retorts.-Horizontal and inclined retorts for the continuous destructive distillation of coal and the like, such as of the type described in Specification 113,981, in which the feed is effected by a plunger which forces the material through the retort, are formed substantially wedge-shape in cross-section. The sides may taper over their full depth, or over a part of their depth, and are preferably curved and may be shaped as shown in Fig. 2. The retorts may be tapered in their length. Specification 123,441, [Class 51 (ii), Furnaces and kilns for applying &c.]. also is, referred to.
Patent GB-1077526-A (GB)
Title: Current stabiliser with high output imped ance
IPC: G05F3/18
Filed: 1965-03-19
Abstract: 1,077,526. Automatic current control. SOCIETE DE CONSTRUCTIONS ELECTROMECANIQUES JEUMONT-SCHNEIDER. March 19, 1965 [March 19, 1964], No.11768/65. Headings G3R and G3X. An arrangement for producing a constant current from a source E comprises a regulating transistor T1 controlled by a second transistor T2 which is responsive to the difference between a reference voltage, derived from a Zener diode Z, and a current-dependent voltage derived from a potentiometer P connected across a series resistor 1, the arrangement being such that the collector current of transistor T2 automatically controls the base current of T1 in a manner to maintain the collector current of T1 at a constant value. A plurality of regulating transistors may be controlled by the transistor T2 Fig.2 (not shown) and the connection between T1 and T2 may include an amplifier or a further transistor Figs. 3 to 5 (not shown). The Zener diode 2 may be matched to the transistor T1 to provide temperature compensation.
Patent GB-1135665-A (GB)
Title: Atomising oil burner
IPC: F23D11/00
Filed: 1966-03-17
Abstract: 1,135,665. Atomizing oil burners. H. BOOS. 17 March, 1966 [20 March, 1965], No. 11784/66. Heading F4T. An atomizing oil burner arrangement comprises an air tube 2 concentrically surrounding an atomizing nozzle 1 inserted in a fire-box wall 5, the tube 2 being contracted at its outlet end, and surrounded by a suction tube 4 which at one end is tapered around the flame core 3, and at the other end communicates with the interior of the fire-box near the fire-box wall. The suction tube 4 directs partially combusted air/oil mixture from around the fire-box wall back into the combustion zone. A plurality of parallel suction tubes, one surrounding another, may replace the single suction tube 4.
Patent GB-570116-A (GB)
Title: Improvements in and relating to knitting machine jack and needle beds
IPC: D04B15/10
Filed: 1943-07-20
Abstract: 570,116. Knitting-machines. KOPPEL, C. July 20, 1943, No. 11785. [Class 74 (ii)] The needle tricks of a knitting-machine each have an opening therein through which lint or other foreign matter can escape. The openings are traversed by the needles or jacks, and the edges of the openings form-scraping edges to scrape the lint off the needles or jacks. Machines employing needle sliders J and jacks J<1> may have openings 13, 16 arranged in the tricks beneath the sliders and jacks, as well as openings 20 arranged beneath the needles 12. The openings may be arranged parallel to the tricks and may be of greater width than the tricks, or alternatively. the opening may extend at right angles to the tricks. The openings may extend into the side walls of the needle tricks and are shaped as at 19 to scrape the side faces of the needles or jacks. As applied to a circular machine, slots 31 may be arranged at the bottom of the tricks 26 in the cylinder, and the slots 31 may have a sloping edge 32 leading to a receptacle 33 secured within the cylinder. Openings 30 are also provided in the tricks in the needle disc.
Patent GB-376847-A (GB)
Title: Improvements in or relating to steering mechanism for motor vehicles
IPC: B62D7/00
Filed: 1931-04-21
Abstract: 376,847. Steering motor vehicles. LJUNGSTROM, B., 83, Linnegatan, Stockholm. April 21, 1931, No. 11787. Convention date, March 5. [Class 79 (v).] In motor vehicles having steering wheels elastically connected to the frame or body so as to be capable of movement in all directions, but mainly in a vertical direction, and in which a steering arm parallel to the corresponding steering wheel and pivoted to the frame is connected to the steering knuckle of the wheel by means of two links, the bearing or pivot of the steering arm is capable of movement transversely of the vehicle so that the steering mechanism will not be interfered with either by vertical or horizontal springing movements of the wheel. In the construction shown in Figs. 2 and 3 each steering wheel 1 is independently sprung by means of an arm 3 and is swivelled about the steering pivot 2 by a steering arm 4 which is pivoted at 5 on the vehicle frame and is connected to the steering knuckle by parallel links 6, 7. The pivot 5 is transversely movable in guides 13, Fig. 3, and the links 6, 7 may be arranged (1) with one link 6 coaxial with the pivots 2, 5, as shown in Figs. 2 and 3, (2) with a link on each side of the linejoining the pivots (2) or (3) with both links either in front of or behind the line joining the pivots. Each pivot 5 of the two steering arms 4 may be actuated by a separate steering shaft 16 operated by a single hand-wheel. The pivots 5 may be parallel to the steering pivots 2 or may be inclined forwardly or rearwardly, but the four pivot points of the links 6, 7 must alwayslie in one' plane. In the construction shown. in Fig. 8 the steering arm 4 is connected by links 6, 7 to tie-rods 15, 14 connecting together the steering knuckles 12 of a pair of steering wheels. The rod 15 may form the usual front axle carrying the steering pivots 2. The pivot or bearing 5 slides in guides 13 on the frame as in the first construction. The invention may be employed for a single steering wheel. Specification 376,848 is referred to.
Patent GB-651535-A (GB)
Title: Improvements connected with fencing posts
IPC: E04H12/22
Filed: 1948-04-30
Abstract: 651,535. Fencing. NIELD, D. April 30, 1948, No. 11824. [Class 45] An L-shaped member 7 is secured near the lower end 4 of a fencing post 3 so that one arm 8 is parallel with the post in a depending position and is inserted in the ground with the lower end of the post and the other arm 7<SP>1</SP> extends beyond the post in the opposite direction to lie horizontally on the ground surface. The member 7 is attached to the central web of the post 3 in a slot 6 which is cut in the transverse web of the post.