baber/WOPTO huggingface dataset:
Patent GB-1096634-A (GB)
Title: Plug-in control timer
IPC: H01R31/02
Filed: 1966-02-18
Abstract: 1,096,634. Time switches. MALLORY BATTERIES Ltd. Feb. 18, 1966 [March 22, 1965], No. 7332/66. Heading H2B. A control timer comprises an intermittently driven switch actuating drum 32 having several circumferential cam channels (52), Figs. 4, 10 (not shown), and two plug-in switch terminal assemblies 63 consisting of a plurality of switches 28 each having a follower arm 27 riding in each channel so that the follower contacts (57), Fig. 5 (not shown), engage or disengage contacts on the switch blades 54, 54<SP>1</SP>. On depressing a shaft (35), Fig. 4 (not shown), which is then locked in position by a hair spring (44), a flange (48) of a member (47), Fig. 10 (not shown), fixed to the shaft, disengages a line switch-actuating means (46) which operates a line switch (not shown), to supply current to an electric motor 11. Escapement means (17), Fig. 2 (not shown), having a main gear (18), transmits an intermittent drive to the drum 32 which is fixed to a ratchet wheel (29) by fingers (30). The gear (18) has first and second cams (20), (21) which engage T-shaped arms (22), (23), and actuator blocks (26), (26<SP>1</SP>) to operate two of the follower arms 27 of the switches 28. Flanges (53), Fig. 4 (not shown), bordering each channel (52) locate a 4-shaped follower (55), Fig. 5 (not shown), of each follower arm 27 in its channel as the drum 32 rotates. The blades 54, 54<SP>1</SP> and the arms 27 are fixed in U-shaped holes (65), Fig. 7 (not shown), in the terminal assemblies, the blades 54, 54<SP>1</SP> being sprung against a pair of ribs 67.
Patent GB-398423-A (GB)
Title: Improvements in means for securing the knives in roller cutting or like machines
IPC: A01B59/00
Filed: 1933-03-10
Abstract: 398,423. Securing, knife bosses on shafts. JAGENBERG-WERKE AKT.- GES., 107, Himmelgeisterstrasse, Dusseldorf, Germany. March 10, 1933, Nos. 7360 and 7361. Convention dates, April 11, 1932, and May 10, 1932. [Class 80 (ii).] The bosses of circular knives in paper-cutting machines are secured on the knife shaft 1 by one or more wedges 2, 3 mounted in a bore in the boss 'parallel to the axis of the shaft, and one or more 'press pieces 7 displaceable radially. The wedges 'are actuated by a right- and left-handed screw 6, and the press-piece is prevented from falling out of the boss, when the latter is removed from the shaft, by two pins engaging under shoulders on the end faces of the piece. In a modification, the 'press-piece consists of a slotted spring ring held against rotation by a pin engaging the slot. In another modification, Fig. 6, the press-piece 15 is slotted to receive the eccentric central portion of a cylindrical member 14 which can be turned by a key.
Patent GB-1023950-A (GB)
Title: Improvements in electric circuits for controlling controllable single-phase rectifier elements
IPC: H02M1/08
Filed: 1963-02-25
Abstract: 1,023,950. Rectifying. KOEFOED, HAUBERG, MARSTRANDOG HELWEG A/S TITAN. Feb. 25, 1963 [Feb. 26, 1962], No. 7456/63. Heading H2F. In a rectifying circuit comprising a load 5 fed from a transformer 4 through a controllable rectifier 1, a control circuit for the rectifier includes a transistor 10 and a Zener diode 12. The collector electrode of the transistor is connected to the rectifier gate 13 and the emitter is held-during the positive half-cycle, but prior to firing-at the reference potential of the Zener diode 12 through the potential divider 11, 12. A capacitor 9 is charged during the negative half-cycle with current derived from a transformer 6, whose supply may be in phase with or phase displaced from the main supply. During the positive half-cycle the capacitor 9 discharges through the series combination of resistor 8 and Zener diode 12 (in its forward direction) which series combination is across the emitter-base circuit of transistor 10, the discharge being opposed by a D.C. control voltage at ab. During the discharge the potential of the base falls until it is below the emitter potential, at which point the transistor conducts firing the rectifier 2. Only a short firing pulse is produced since the conduction of the rectifier short circuits the control circuit. The firing angle thus depends on the level of the D.C. control voltage at ab. In modifications, this control voltage is connected directly to the emitter (Fig. 2, not shown) and a Zener diode is connected between the gate of the rectifier and the collector of the transistor (Fig. 3, not shown).
Patent GB-679915-A (GB)
Title: Improvements in or relating to speed governors for electric motors
IPC: D01H1/30
Filed: 1949-03-18
Abstract: 679,915. Variable contact resistances. VEREL, B. P. March 18, 1949 [March 24, 1948], No. 7485/49. Class 37. [Also in Groups IX and XXXVII] As shown in Fig. 4, a governor for regulating the speed of an electric motor driving a ring spinning frame comprises a spindle 13 moving in accordance with the movement of the ring rail of the frame, a potentiometer 15 having a contact arm 14 displaceable by the spindle to provide for the cyclic variation of the speed of the motor, another potentiometer 21 having a contact arm 20 displaceable progressively by the spindle, the potentiometer 15 and contact arm 14 being moved together or otherwise rendered inoperative during displacement of the arm 20, and means for providing a voltage distribution along the potentiometer 21 corresponding to the required basic speed variation so that movement of the arm 20 provides such basic variation. The spindle 13 carries the contact arm 14 together with an arm 16 engageable with a part 17 which is movable through an angle and is mechanically coupled with the potentiometer 15 which is also movable. A transformer 38 (Fig. 5) has its secondary winding connected in series with the potentiometer 21, the output voltage from terminals 34, 35 being arranged for grid control of a rectifier supplying the motor. The required voltage distribution along the potentiometer 21 is provided by transformers 39, 40, the secondary windings of which are connected to tappings on the potentiometer. The input voltages of transformers 39, 40 are controlled by means of the potentiometer 15. Reference has been directed by the Comptroller to Specification 669,541, [Group XXXVII].
Patent GB-683386-A (GB)
Title: A new or improved connector for use in joining tubes
IPC: F16B7/04
Filed: 1949-03-21
Abstract: 683,386. Furniture joints. EVANS, O. J., :and McCONNEL. J. K. March 17, 1950 [March 21. 1949; April 13, 1949], Nos. 7625/49 and 10014/49. Class 52(ii) [Also in Groups X and XXVIII] A device for connecting a tube 52 to an intermediate point in the length of a tube 50 comprises a cylindrical plug 56 shaped at one end to embrace the tube 50 and provided at the other end with a reduced spigot to receive the tube 52, and a bolt 58 extending axially through the plug and through a hole in the tube 50 to engage its head 60 with the interior of the tube. The joint is particularly applicable to tubular furniture. The tube 52 is secured by a grub-screw 65 in the plug operated by a tool through a hole 53 smaller than the grub-screw which is unscrewed so as to bear against the internal surface of the tube. The bolt-head has a conical surface 64 whereby the material of the tube 50 is expanded against the conical seat 63. The bolt-head is introduced through a key-hole slot 51, Fig. 11, and is prevented from slipping by a tongue 69. Alternatively the position of the bolt is reversed so that the nut 62 is within the tube 50. In another form the bolt-head is passed through a circular opening 151, Fig. 20, and is held by a bush 80 which is pushed down the tube 50 so that a slot 81 therein engages the shank of the bolt. The bolt is first screwed into the plug so that it projects a sufficient distance and is then locked by the nut 62. It is centred in the opening by a bush 82.
Patent GB-557867-A (GB)
Title: Chain-stitch sewing machine
IPC: D05B71/00
Filed: 1942-06-06
Abstract: 557,867. Sewing-machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.). June 6, 1942, No. 7736. [Class 112] A double loop stitching machine is carried, with its workplate flush with the bench T, in a casing A and seats on gaskets g to define a lubrication chamber R. The four-motion looper L is secured to a looper-carrier 63 pivoted on a cross-shaft in a T-end of a shaft 68 mounted in a bracket B. The shaft 68. is oscillated from the under-shaft 35 by an eccentric 37 and a lever 83. The carrier 63 is oscillated by a ball-ended pitman 80, a two-armed lever 76 and a crankrod 74. The lever 76 is pivoted on a cross-bolt 78 in arms b<SP>2</SP> integral with the bracket B. A rotary take-up 30 for the looper thread is carried at the end of the shaft 35. The looper-carrier carries a needle guide and a fixed needle-guide on the opposite side of the needle is carried by parts 85, 86, 87 which provide adjustments in three directions. The bracket B is removable secured to the underside of the bed-plate and forms part of one end wall of the lubrication chamber. The four-motion feed dog mechanism is operated by two rock shafts 49, pitmans 63, 61 and eccentrics on the top shaft. A pump O driven by the vertical shaft 41 delivers oil in pipes K, K\ K<SP>2</SP>, K<SP>3</SP> to the top shaft bearing 5a, the under-shaft bearing 33, the cross-bolt 78 and channels in the bracket B. The needle-bar is lubricated by a wick dipping into a drain cavity in the head and the looper end of the pitman 80 by a wick w.
Patent GB-975954-A (GB)
Title: Wave guide switching device
Inventor: NEUMANN GEORGE JOSEPH
IPC: H01P1/12
Filed: 1961-03-03
Abstract: 975,954. Duplex radio signalling. SPERRY RAND CORPORATION. March 3, 1961, No. 7825/61. Heading H4L. [Also in Division H1] A transmit-receive device comprises a waveguide switch having three waveguides 11, 12, 13, Fig. 1, arranged so that the second waveguide 12 is coupled to the first and third waveguides 11, 13 through aligned apertures 31, 32, a shutter 30 closing either aperture 31 or aperture 32, the position of the shutter being controlled by pulses applied to solenoids 80, 81. The device, Fig. 7, has a timing pulse generator 115 which feeds pulses A into a delay and trigger circuit 116, the duration of the pulses corresponding to the desired lookthrough period, the delay and trigger circuit providing two short trigger pulses, D, C, synchronized respectively with the leading and trailing edges of the corresponding timing pulse, the trigger pulses being delivered to the grids of gas-filled triodes 117, 118 which activate the solenoids 80, 81. The delay and trigger circuit also produces a transmitter disabling pulse B, having a leading edge simultaneous with the leading edge of the timing pulse and having a trailing edge delayed by approximately the switching time after the trailing edge of the timing pulse.
Patent GB-435043-A (GB)
Title: Improvements in or relating to semaphore signalling apparatus
IPC: B60Q1/36
Filed: 1934-03-13
Abstract: 435,043. Mechanical switches without quick action ; press - button switches. BRETT, R. P., 17, Ouse Avenue, King's Lynn. March 13, 1934, No. 7899. [Class 38 (v)] [See also Group XXXVIII] A control switch for operating a car horn and direction indicators comprises a pivotable member 25 carrying the contact arm 26, 28. The switch cover 30 is provided with slots 32, 33, 34, 35 and the member 26 can be moved into each of these slots, closing circuits between contact 28 and springs 22 in each position. In one position the contact 28 forces the spring 22 into contact with an additional contact 22<a>. If the switch 26 is depressed without rotation, contacts 28 and 36 are connected to operate the car horn.
Patent GB-948185-A (GB)
Title: Improvements in and relating to biologically active spray compositions
IPC: A01N25/10
Filed: 1961-03-06
Abstract: Biologically active compositions which are readily converted to an aerosol or spray the particles of which are of substantially uniform size comprise at least one herbicide, fungicide, insecticide or like biological growth regulator, a liquid extending medium and a synthetic polymer which is swellable but substantially insoluble in the extending medium (which is preferably water) and which is present as swollen particles of a relatively uniform, predetermined small size e.g. 0.5 to 1.0 mm. Specified polymers are cross-linked monovalent cation (e.g. alkali metal, ammonium or quaternary ammonium) salts of polyacrylic acids, cross-linked polyglycols of an average molecular weight of from 1000 to 1,000,000 or more, sulphonated alkanyl and aromatic polymers e.g. sulphonated polyvinyl toluene and copolymers thereof with acrylonitrile, alkylacrylonitriles and methacrylates.  The biologically active material may be a herbicide, fungicide, insecticide or growth regulant e.g. 2,4-di- and 2,4,5-tri-chlorophenoxyacetic acid and their esters DDT, dieldrin, eldrin, naphthalene acetic acid and its amide, indolebutric acids, 2-methyl-4-chlorophenoxyacetic acid, 2,2-dichloropropionic acid, trichloroacetic acid, dinitro-o-sec-butylphenol, aminotriazole, tetraethylphosphate, o,o-diethyl - o - 2 - (ethyl thio) ethyl thiophosphate, ferric dimethyl dithiocarbamate and the o,o-dimethyl dithiophosphate of diethyl mercaptosuccinate.
Patent GB-529239-A (GB)
Title: Improvements in safety devices for wringers
IPC: D06F45/00
Filed: 1939-03-14
Abstract: 529,239. Machinery safety devices. LOVELL MANUFACTURING CO. March 14, 1939, No. 8174. Convention date, March 15, 1938. [Class 80 (iv)] The base 1 of a wringer carries the two stiles 2, 3 in which are mounted the bearings 8, 10 for the rollers 4, 5. The rollers are loaded by a spring 11 adjustable by a screw 12. A top bar 14 has at one end shoulders 16 adapted to engage shoulders 15 on the stile 3. The opposite end or the bar has a resetting and releasing mechanism. This comprises a lever 17 hinged to the bar at 18 and connected. through link 19 and pivots 20, 21 with the stile 2, the lever and link forming a toggle. A trip bar 22 extends across the front of the wringer and is mounted on pivoted arms 23 one of which engages an extension 24 on lever 17. By striking the top bar 14, the end 24 will be depressed, forcing the lever 17 outwardly and releasing the adjacent end of the bar. With the up-swinging of this end the shoulders 15, 16 are released. The wringer is pivotally mounted on a post 25, a locking bolt being provided at 35. The head 28 enclosing the driving mechanism has ears 29 to which are pivoted a pair of bars 30 which are again pivoted at their other ends 34 to a plate 34a on the base of the wringer. These bars ensure a parallel movement of the wringer should a pull be exerted anywhere along the rolls. The driving shaft 27 carries a bevel gear 38 which engages one of two gears 39 mounted on a common boss and therefore rotating in the same direction. The roller 6 is connected by a universal joint 44 to a shaft 43 on which is mounted a bevel gear 42 which may engage either of the gears 39. A bearing 46 with flared opening 47 is slidably mounted in a crosshead 48 carried by a bracket 48a secured to the stile 3. Springs 50 tend to hold the bearing in a central position. Latches 52 pivoted in the head 48 have latching shoulders 56 and cam surfaces 57 and are forced against the sliding bearing by a spring 55. Should the operator get caught in the rolls the instinctive pull exerted draws the wringer forward, causing a cam 57 to release the latch and unlock it from the bearing 46. Continued movement releases the bevel gear 42 and stops the drive. If the pull be still exerted, the gear 42 is brought into mesh with the other gear 39 and the rotation of the wringer is reversed. With the free hand, the pressure on the rolls may be released by pulling the trip bar 22 and this pull may also effect the stopping and reversal of the drive.
Patent GB-996378-A (GB)
Title: Improvements in or relating to control means adapted to be incorporated in automatictransmission systems for vehicles
Inventor: HENDERSON CYRIL
IPC: F16D37/02
Filed: 1961-01-11
Abstract: 996,378. Change speed control. S. SMITH & SONS (ENGLAND) Ltd. Aug. 25, 1961 [Jan. 11, 1961], No. 8209/65. Divided out of 996,377. Drawings to Specification. Headings F2D and F2L. The subject-matter is substantially the same as that described in Specification 996,377 but the claims are directed to the cam selector. Specifications 803,614 and 970,535 also are referred to.
Patent GB-591367-A (GB)
Title: Improvement in art of printing and embossing and apparatus for performing the same
IPC: G03F7/00
Filed: 1945-04-03
Abstract: 591,367. Printing and embossing. ROYAL LACE PAPER WORKS. April 3, 1945, No. 8242. Convention date, April 12, 1944. [Class 100 (ii)] [Also in Group XX] Companion printing and embossing rollers for printing and thereupon embossing a travelling web are prepared by photographically and chemically reproducing an original subject on to both the printing and the embossing rollers by substantially identical photo-etching processes. For a three-colour print, four photographic negatives are made, one for each of three printing rollers and one for an embossing roller, positives to suit the dimensions of the rollers are prepared from the negatives, and carbon tissues prepared from the positives are applied to the rollers, which are then etched in the usual way. The four rollers are driven at the same surface speed, smooth pressure rollers being used with the printing rollers and either a smooth or a complementary roller for the embossing roller. One or more additional embossing rollers may be used, and the designs on the embossing roller may be supplemented by hand tooling.
Patent GB-117435-A (GB)
Title: An Improved Electromagnetically-controlled Signal-reverser for use on Railways.
IPC: B61L21/04
Filed: 1918-05-17
Abstract: 117,435. Sykes Interlocking Signal Co., W. R., and Tarrant, R. W. May 17, 1918. Slots, reversers, and like apparatus; wire, rod, chain, rope, and like compensators.-An electromagnetically-controlled signal-reverser comprises a quick-pitched screw-thread c on one section b of a divided thrust-rod, and a. nut d rotatably attached to the other section a of the thrust-rod, and an armature l carried by the nut and adapted to revolve in contiguity to the poles m of electromagnets n. If the magnets n are de-energized when the member b is raised, the nut d rotates on the thread c and the member a is not moved. If the magnets are energized, the disk l is held against rotation and pawls o carried by it engage ratchet teeth s on the nut d which is thus held against rotation. Hence the rod a is raised to set the signal arm to clear. The signal is replaced by gravity when the magnets are de-energized and the rod b when subsequently lowered, travels through the nut d which rotates idly. The device also compensates for variations in the length of the signal connexions.
Patent GB-418207-A (GB)
Title: Improvements relating to sparking plugs for internal combustion engines
IPC: H01T21/02
Filed: 1933-03-20
Abstract: 418,207. Sparking-plugs. AC-SPHINX SPARKING PLUG CO., Ltd., STOCKBRIDGE, N. F., and CORBIN, D. H., 242, Bradford Street, Birmingham. March 20, 1933, No. 8386. Drawings to Specification. [Class 7 (iv).] The cement between the insulator and central electrode is impregnated with an intersticesealing liquid. Solutions of iron or aluminium salts, such as ferric chloride, polymerizable liquids, such as tung or china wood and linseed oils, and resinous or bituminous liquids may be used. The insulators with the cemented-in electrodes are supported wholly or in part in a chamber into which the liquid is forced, or from which air is withdrawn before the liquid is introduced. Heat treatment up to about 100‹ C. may be applied.
Patent GB-741099-A (GB)
Title: Improvements in and relating to curtain rail brackets
IPC: A47H1/144
Filed: 1953-03-26
Abstract: 741,099. Suspending curtains. WESTBROOKE, W. G. F., and VAB PRODUCTS, Ltd. Jan. 27, 1954 [March 26, 1953], No. 8429/53. Class 52(5). A curtain rail bracket for a rail with a wedgesectioned fixing edge is formed from a strip of metal 1 with incisions at opposite sides near one end to leave a tongue 3 the downturned end of which receives a clamp screw 15. The metal strip is bent to form limbs 9, 11, with holes for face and top fixing and an inclined limb 10. The tongue 3 is bent away from the limb 10 to be at right angles to the rear limb 9 so that the inclined limb 10 has projecting lugs 13 against which the fixing edge is clamped by the screw 15.
Patent GB-1008567-A (GB)
Title: Improvements in or relating to method and apparatus for injection molding
Inventor: SEYMOUR JAMES J
IPC: B29C45/28
Filed: 1962-03-05
Abstract: 1,008,567. Injection moulding machine. M. I. ROSS. March 5, 1962, No. 8477/62. Heading B5A. The pressure of injected plastic material acts on a movable wall part of the entrance chamber, against the action of an externally applied spring, to open a gate the closure member of which forms part of the mould chamber, and allows the injected material to enter the mould. Release of injection pressure allows the spring to move the wall part and close the gate. As shown in Fig. 1, the plastic material is injected into a sprue cavity 19, a runner cavity 20 in a die set 13, and a chamber 21 closed by a valve member 33. The pressure builds up and acts on pressure seat 32 between a plunger 26 and valve member 33, thus pushing the plunger 26 up against a spring 31, and allowing material to flow through a gate 23 into a mould cavity 17 between two mould parts 14, 16. When the mould cavity 17 is filled the injection pressure is released and the spring 31 forces the valve member 33 back into closed position. The lower end of the valve member 33 is made so that, when in its lowest position, it terminates flush with the upper wall of the cavity 17, and hence the moulded article has no sprue. Channels 35, 36 in the die set 13 and mould parts 14, 16 are for heating and cooling fluids respectively. In a modification (Fig. 8) a sprue cavity 54 is formed in a sprue bushing 41 which is heated by a resistance wire 96 embedded in ceramic 97, and a valve chamber 88 is formed in a valve bushing 55 which is heated by a resistance wire 75 embedded in ceramic 76. This removes the necessity for the heating channels 35, and so instead of requiring die set 13 to be a large block to carry these channels 35, pipes 109 will suffice to convey the material from a sprue head 107 to valve assemblies 42<SP>1</SP> (Fig. 18).
Patent GB-734963-A (GB)
Title: Arrangement for magnetic concentration of an electron beam in a travelling wave tube
IPC: C08G81/02
Filed: 1953-03-27
Abstract: 734,963. Travelling-wave tubes. STANDARD TELEPHONES & CABLES, Ltd. March 27, 1953 [July 5, 1952], No. 8526/53. Drawings to Specification. Class 39 (1). The magnetic focusing field of a travelling- wave tube is made homogeneous by providing a cylinder of ferromagnetic material of low permeability between the focusing coil and the beam. The spacing between the cylinder and the beam is selected to attenuate waves of lower frequency than the operating frequency. The ferromagnetic material may be a compressed powdered iron, such as iron carbonyl.