baber/WOPTO huggingface dataset:
Patent GB-780873-A (GB)
Title: Improvements in or relating to power-driven lawn-mowing machines
Inventor: FLEMING JOHN RUSSELL
IPC: A01D34/47
Filed: 1955-02-04
Abstract: 780,873. Lawn-mowers. QUALCAST, Ltd. Jan. 12, 1956 [Feb. 4, 1955], No. 3347/55. Classes 6(2) and 6(3). In a lawn-mower, e.g. having a grass-cutter or grass-thrower such as a rotary bladed cylinder 8 or rotary scythe, a handle 1 is movable by a spring 2 or gravity or both, from a position, such as that shown, in which it will be held by a pedestrian for operation of the machine, to another position, Fig. 3 (not shown), in which it is inconvenient for normal operation and cuts out the application of power from a unit 6 to the cutter or thrower. As shown, when the spring 2 pulls the released handle 1 in an anticlockwise direction, the handle, a lug attached thereto or an extension 3 thereof strikes a lug 13 on a pedal 12 and breaks a toggle arrangement of a link 4 and lever 5 so that the pivoted power unit 6, previously held up by depression of the pedal 12 and the making of the toggle, swings downward anticlockwise about its pivot to slacken and thus stop the belt drive 10 to the cutter 8. The toggle may be broken by the handle 1 or its extension engaging a link thereto instead of acting on the lug 13.
Patent GB-284660-A (GB)
Title: Arrangement for unloading vehicles by means of a jet more particularly for sugar mills
IPC: B65G67/24
Filed: 1928-02-02
Abstract: 284,660. F÷lsche, K., and F÷lsche, R., (trading as F÷lsche, R., [Firm of]). Feb. 2, 1927, [Convention date]. Hydrants, standpipes, and watercranes.-For unloading goods such as sugar beets from a vehicle a, water is discharged from a movable nozzle d carried bv a watertower c alongside the track, the nozzle d, Fig. 2, being adjustable by handwheels l, g and gearing about two axes A-B, C-D so that the jet can be trained on any part of the vehicle from two different directions without moving the tower. The nozzle is provided with an outer cap q which may be screwed down or up in order to discharge a jet of diameter r or t as required. As shown in Fig. 1, the tower moves on rails, and carries a pump e drawing water from a channel by the track. The tower is provided with a working platform c'.
Patent GB-113347-A (GB)
Title: Improved Pressing and Punching Machine for Forming Metal Railway Sleepers and the like.
Inventor: RIGBY HARRY
IPC: B21D53/00
Filed: 1917-03-07
Abstract: 113,347. Rigby, H. March 7, 1917. Railway permanent way.- In a machine for making eheetmetal railway sleepers, Fig. 16, multipart dies act successively to shape and form holes in the blank. The lower die block 20 is reciprocated on pillars 29 upon which the head 4 is fixed. Bolts 33, 33a in the head 4 and block 20 engage slots in frames 32 which have cross-bars 36, 38 engaging slots 37, 39 and 40 in the dies 1, 20, and 21 respectively. The slot 40 fits the bar 38 closely, but the other slots allow movement. The blank 54, Fig. 3, is placed against a stop and the block 20 raised. Gags 42 are arranged to keep the dies 1, 21 in their outer positions relative to the parts 4, 20, as shown in Fig. 3, so that the projection 23 shapes the central rib 56, the punches 7 being pushed into the die 1. The lower gags 42 are then moved by a handle 45, Fig. 1, to positions opposite recesses 44, and continued upward movement of the block 20 causes the edges 57 of the blank to be bent as shown in Figs. 6 and 16. The upper gaga 42 are then moved by the upper handle 45 to positions opposite the recesses in which the punches 7 are arranged, so that further movement of the block 20 causes the die 1 to rise and the punches to project, as shown in Fig. 6, forming the holes 58, 59. During the return of the block 20 the bar 36 strips the work from the punches and the bar 38 raises the die 21 to the position shown in Fig. 3, thus ejecting the finished sleeper. The punchings are discharged through openings 27.
Patent GB-414652-A (GB)
Title: Improvements in and relating to apparatus for drying materials
IPC: F26B21/02
Filed: 1933-02-03
Abstract: 414,652. Drying-apparatus. LLOYD, L. N., Red Gables, Elgood Avenue, Northwood, Middlesex, and PHILLIPS ENGINEERING CO., Ltd., Evelyn Road, Sparkhill, Birmingham. Feb. 3, 1933, No. 3416. [Class 34 (ii).] Apparatus for drying tea or other materials comprises a plurality of drying compartments on either side of a reconditioning chamber for the drying medium, and means at the remote ends of the compartments for maintaining the circulation of the medium. The drying compartments on either side of the reconditioning chamber are separated by a partition having a controlled aperture to permit recirculation of the medium, which aperture communicates with conduits on either side of the partition. The conduits are also provided with controlled apertures, so that the drying medium can be passed through any particular compartment or series of compartments while other compartments are closed to the flow of drying medium. In the form shown, the main drying compartments are divided into sub-compartments 1a, 1b, 2a, 2b and 3a, 3b by intermediate conduits 5, 6, and other conduits 4, 7 are provided at the ends of the compartments. One or both of the conduits 4, 7 may be provided with a second conduit 8. Flap valves such as 4a, 4b, and recirculation valves 4c, 6c are provided to enable a predetermined course of the air stream to be taken. Reversible propeller fans 14, 15, 16 are each associated with a secondary fan which forces a portion of the air through a heater or other conditioning means and into the main air stream in a mixing chamber 9, 10 or 11. Any secondary fan may be put out of operation as desired. In one method of operation, air enters through windows 17, and passes successively through conditioning and tea withering chambers to the outlet windows 19, and this circulation may be reversed. To enable only half of the chambers to be used, windows may be fitted in compartments such as 1b. The temperature may be automatically controlled, and the humidity of the air may be raised by recirculating part of the used air via windows such as 20 and 23. In another method, for use with air of very low humidity, the circulating air is treated with water sprays in the mixing chambers, small amounts of fresh air being supplied by the secondary fans.
Patent GB-699647-A (GB)
Title: Improvements in and relating to stopping mechanism for sewing and other machines
IPC: D05B69/22
Filed: 1951-02-14
Abstract: 699,647. Sewing-machines. REHER, L. J. M. Feb. 14, 1951 [Feb. 17, 1950], No. 3606/51. Class 112. [Also in Group XXXIV] Driving; stopping.-A preferably electricallyoperated brake for retarding the movement of the machine, the brake being adapted to rotate with the braked part of the machine, is operatively connected with an electrically-operated slow-speed driving gear in such a way that after synchronisation of the brake and the machine consequent on the braking action the machine is rotated at a reduced speed to a predetermined position in which an operating circuit of the slow-speed gear or of the brake, or both, is interrupted by a member moving with the machine. In the arrangement shown, a disc 1 rotating with the machine forms one element of an electromagnetic clutch of which the other element 4 is mounted on the shaft 6 of a slowspeed motor 7 in such a way that it can slide into contact with the disc 1 and has lost motion to the extent of about 45 degrees relative to the shaft; a spring 18 connects a rod 15 on the member 4 to an arm 17 on the shaft to urge the member to its most advanced position on the shaft. A disc 10 slidably connected to the shaft 6 by a pin 13 and inclined slot 12 and to the member 4 by rods 15 carries ring contacts 20 for supplying the windings of the electromagnet in the member 4 and actuates a sliding switch member 23. When the treadle 29 controlling the machine is allowed to rise and open the circuit of the main driving motor (not shown) it first closes a switch 28 and then allows this switch to reopen. The switch 28 closes a circuit by way of conductors 33, 27 and contact 26 to the switch member 23, and thence to the motor 7 and by contacts 22 to the electromagnet of the clutch element 4; this element is thus drawn into engagement with the disc 1, and a cam ring 39 on the element 4 lifts a contact 31 into engagement with a contact 30 on the member 23 to close a circuit to that member independently of the switch 28 to maintain the motor 7 and electromagnet energised when the treadle 29 is fully released. The machine will now be slowed down to the speed of the shaft 6, by friction between the members 1, 4, and these members will then tend to lag behind the shaft owing to the load imposed by the machine, now being driven by the shaft; this lag, permitted by the lost-motion device in the drive of the member 4, causes movement of the disc 10 to the left by reason of the pin-and-slot connection 12, 13, carying the switch member 23 with it so that the end of the contact member 30 is brought into the path of a projection 3 on the disc 1 and the switch 30, 31 is opened by this projection to stop the machine in a predetermined position and de-energise the clutch electromagnet so that the parts are restored to their initial positions by the spring 18.
Patent GB-203720-A (GB)
Title: Improvements in or relating to the production of colloidal dispersions
IPC: C09K23/00
Filed: 1922-03-08
Abstract: Dispersions of solvents, such as hydrocarbons or substituted hydrocarbons, in water are obtained by incorporating the solvents and saponaceous materials with silicates in colloidal form, with or without the addition of alkaline substances such as sodium carbonate or bicarbonate, or borax.  Peptizing agents such as phenols, or glycerol or other alcohol may also be added.  The preparations may be used as agents to produce uniform dispersion of the active media in baths for dyeing.  In an example, trichlorethylene, a fatty acid such as ricinoleic acid, a colloidal suspension of a silicate, a solution of sodium hydrate, and a trace of glycerol are mixed together.  In another example sulpho-ricinoleic acid and anhydrous soap are also added. Specified silicates are-Bentonite, which occurs naturally in a colloidal state, and Ehrenbergite, china clay, blue or ball clay, killas and like clays, and sodium and magnesium silicates, which have been treated to render them colloidal.  Stable emulsions are produced by diluting the mixtures with water.  Reference has been directed by the Comptroller to Specifications 4226/82, 3025/94, and 16448/07, [all in Class 91, Oils &c.], 106,197, [Class 15 (i), Dyeing &c., Apparatus for], and 162,691, [Class 91, Oils &c.].ALSO:Cleansing-compositions for fibres and for laundry purposes consist of aqueous dispersions of solvents, such as hydrocarbons or substituted hydrocarbons, obtained by incorporating the solvents and saponaceous materials with silicates in colloidal form, with or without the addition of alkaline substances such as sodium carbonate or bicarbonate, or borax.  Peptizing agents such as phenols, or glycerol or other alcohol, may also be added.  In an example, trichlorethylene, a fatty acid such as ricinoleic acid, a colloidal suspension of a silicate, a solution of sodium hydrate, and a trace of glycerol are mixed together.  In another example, sulpho-ricinoleic acid and anhydrous soap are also added. Specified silicates are: Bentonite, Ehrenbergite, china clay, blue or ball clay, killas and like clays, and sodium and magnesium silicates which have been treated to render them colloidal. Stable emulsions are produced by diluting the mixtures with water.  Reference has been directed by the Comptroller to Specifications 4226/82, 3025/94, 16448/07, 106,197, and 162,691.
Patent GB-1405583-A (GB)
Title: Control device of an oscillating element of a machine-tool
IPC: F16H25/16
Filed: 1974-01-25
Abstract: 1405583 Control devices TAREX-MANURHIN SA FABRIQUE DE MACHINES 25 Jan 1974 [7 Feb 1973] 03697/74 Heading B3B A control device for an oscillating element 1 of a machine tool especially a loading arm, having to occupy three positions, I, II, and III, comprises a cam 13 acting on element 1 for bringing it into positions I and II, and a fluid operated or electromagnetic device 8 acting on element 1 for maintaining it applied against the cam when occupying positions I or II but pivoting the element from the cam to occupy position III. As shown the control means operate through a control lever 3. The cam is constituted by two sectors 5a and 5b each of which has two stages. The adjustment of the relative angular position of the sectors allows adjustment of the relative positions of I and II. Stops 14, 15 control the extreme positions of the element 1. A jack 21 can move shaft 1 and hence element 1 longitudinally. Stops 22, 23 limit this movement.
Patent GB-414666-A (GB)
Title: Improvements in gas meters
IPC: G01F3/30
Filed: 1933-02-07
Abstract: 414,666. Gas meters. IMPERIAL CHEMICAL INDUSTRIES, Ltd., Millbank, London, and TONKIN, R., c/o Scottish Dyes, Ltd., Earl's Road, Grangemouth, Stirling- shire. Feb. 7, 1933. No. 3759. [Class 54.] In a gas meter of the type in which gas passes intermittently through a lute of syphon connected across two limbs of a surge tube containing sufficient liquid to seal the lute when the pressure above the liquid in both limbs is the same, the surge tube is pivotally mounted so as to be oscillated by the movement of the liquid and its oscillations operate the counting mechanism. In the apparatus shown gas is supplied through a pipe S to the left limb of a surge tube 1 containing liquid to a level 4-4. The pressure in the left limb builds up until the liquid seal in the lute 2 is blown, when the gas can pass to the top of the right hand limb and the outlet pipe 6 and the liquid returns to the level 4-4. The lute 2 has an enlarged opening 3 to ensure its being properly sealed. The surge tube has a grooved bed plate 8 mounted on a knife edge 10 so that the tube will be rocked between adjustable stops 13, 14 on the meter casing, by the movement of the liquid and, by means of an arm 20, will operate a ratchet counter 22 arranged behind a window 23. Lateral movement of the surge tube is prevented by slotted guides 17, 19, and flexible couplings 11, 12 are provided in the inlet and outlet pipes.
Patent GB-756322-A (GB)
Title: Improvements in or relating to electric switching circuits
Inventor: BRAY FREDERICK HARRY
IPC: H03K17/52
Filed: 1952-02-13
Abstract: 756,322. Automatic exchange systems. STANDARD TELEPHONES & CABLES, Ltd. Jan. 9, 1953 [Feb. 13, 1952], No. 3775/52. Class 40 (4). In a selector switch for connecting an inlet to one of a number of outlets in which the inlet and the outlets can each be in any of three electrical conditions the inlet and an outlet are automatically connected when both are changed from the first to the second condition and when connected change to the third condition to prevent further connections occurring. The switches may be multi-cathode gas tubes controlled by recurring series of pulses. In a group of preselectors G1 . . . GX, Fig. 8, the anodes are connected to subscribers lines X and the corresponding cathodes are multipled to outlets Y. Individual series of negative pulses P1 . . . Py, Fig. 9, are continuously applied to the outlets and a series of positive pulses Q1 . . . Qx is allotted to each subscriber's line. When a subscriber's line, say 1, is waiting to be connected, the corresponding pulse series Q1 is applied, and when coincidence occurs between a pulse Q1 and one of the pulses, say P1, applied to the outlets Y the corresponding gap fires and a maintaining current circuit is completed between the potentials +V and earth over rectifiers W2, W1 The change in potential of the connected circuits prevents the firing of another gap of the tube G1 or of the gaps corresponding to the seized outlet in the tubes G2 . . . Gx. Specification 756,419 is referred to.
Patent GB-598694-A (GB)
Title: Improvements in machines for spreading artificial fertilisers and the like
IPC: A01C15/00
Filed: 1946-02-06
Abstract: 598,694. Fertilizer distributers. MASSEY-HARRIS, Ltd., RESEARCH ENGINEERS, Ltd., and MATTHEWS, W. R. Feb. 6, 1946, No. 3791. [Class 6 (i)] Relates to a machine for distributing artificial fertilizer and the like comprising a trough-like hopper containing material which is delivered through shutter-controlled openings to a series of dish-like discharge pans 1 rotatably mounted about vertical axes, the material being evenly spread by means of a series of spreaders or flickers which rotate about a common horizontal axis and dip into the pans, the pans and flickers being driven from the land wheels through gearing. According to the invention, all the pans 1 are formed underneath with radiallyarranged teeth 2, the driving worms 3 being offset from lines 6 radiating from the pan centre and lying at right angles to the common axis of the worms. The worms 3 are mounted on a common transverse shaft 4, half the number of worms being formed with right-hand threads and half with left-hand threads, one half being offset on the opposite side of the pans to the others.
Patent GB-324247-A (GB)
Title: Improvements in brakes for perambulators, bath-chairs and like vehicles
IPC: B62B5/04
Filed: 1929-02-05
Abstract: 324,247. Morris, Wilkinson, & Co. (Nottingham), Ltd., and Morris, C. E. Feb. 5, 1929. Locking by frictional detents; applied by springs.-A brake for perambulators, bath chairs and like vehicles comprises a pair of levers A, B pivoted at A<1>, B<1> to the frame members C and connected by links H, J to a hand or foot lever F pivoted at F<1>. The outer ends A<2>, B<2> of the levers A. B are arranged to engage the wheels D, E. The line of action of a spring L connected to the lever F and to a fixed arm M passes from one side to the other of the pivot F<1> during the movement of the lever so that it acts to hold the brake in both the " on " and " off " position.
Patent GB-427917-A (GB)
Title: Improvements in automatic weighing machines
IPC: G01G21/00
Filed: 1934-02-06
Abstract: 427,917. Automatic - feed weighers. AVERY, Ltd., W. & T., and LEESON, A., Soho Foundry, Birmingham. Feb. 6, 1934, No. 3830. [Class 143] In an automatic weighing-machine of the kind employing an electrically controlled locking mechanism for the discharge door of the weigh hopper, the toggle linkage of the discharge door is moved by the first movement of the feed gate to effect an initial unlocking, and the final unlocking to permit of discharge is effected by electrically actuated means under the control of a switch which is operated by the movement of the weighbeam without affecting the accuracy of the weighing operation. A number of the weighing machines operating together may be made to discharge simultaneously by a suitable interconnection of the electrical circuits. As shown, the discharge door 5 is locked by toggle linkage, 6, 7, when the pivotal points are substantially in alignment, that is are thrown over-centre. As the material fed into the weigh hopper approaches the predetermined quantity, the feed gate 15 descends and a curved arm 14 thereon strikes a projection 6<a> on the toggle linkage and displaces it from the over-centre position to an unlocked position. The complete unlocking of the discharge door is prevented by a spring- controlled detent lever 8 which intercepts a projection 7<a> on the member 7 of the toggle linkage. When the weight is made up the feed gate closes, and a projection 19<a>, Fig. 2, on the descending weighbeam allows a rod 18 to rock a mercury switch 16 to close the circuit of a solenoid 11, Fig. 1, the rod 18 being supported by a bracket 20 clear of the weighbeam before the final stage of the weighing operation. The energization of the solenoid rocks the detent lever 8 and frees the toggle linkage, the discharge door 5 then opening under the weight of the material. When a number of the machines are operating together, for example in connection with the blending of flour, the electric circuits of the solenoids and the mercury switches are interconnected so that the machines discharge simultaneously on the completion of the circuit of the slowest machine. Each machine is provided with switches so that any individual machine may be cut out, or if a machine fails through shortage of grain it may be identified by trial of the switches.
Patent GB-322947-A (GB)
Title: Improvements in advertising and like display signs
IPC: G09F13/16
Filed: 1929-02-05
Abstract: 322,947. Woods, G. F. Feb. 5, 1929. Signs; name and number plates.-A display sign comprises a front stencil b and a back.ng c consisting of a sheet of metal, paper, or cardboard, upon which is dusted " diamonte " brilliants, secured bv an adhesive. A reflector or mirror f may be combined with the sign to enhance its brilliancy.
Patent GB-1030833-A (GB)
Title: Method and apparatus for the automatic control of a continuous distillation process
IPC: B01D3/42
Filed: 1965-01-28
Abstract: In a system for controlling a distillation column having reflux and an accumulator for top product, a signal derived from a system regulating liquid level in the accumulator by adjusting discharge flow, has a differential component added and controls the datum of a reflux control system.  In Fig. 2 (not shown), top product vapour 2 from a distillation column 1 is condensed at 3 and collects in an accumulator 4 which supplies an output conduit 5. A portion of the output is recycled as reflux through a conduit 6.  A signal from an orifice plate type flow meter 7 is modified by a square root device 8 and controls a valve 10 to maintain the flow in output conduit 5 at a value which is varied by a signal from a level gauge 11 to maintain a desired level of liquid in accumulator 4.  In order to maintain a reflux flow porportional to output flow, one of the signals controlling valve 10 is applied through a device 13, which adds a differential component, and a gain control 14 to control the flow maintained in reflux conduit 6 by a flow meter 16 controlling a valve 18.  The ratio of this proportionality is modified to maintain a desired quality of top product vapour by a quality meter 20 controlling the gain of device 14.  The latter may be arranged to square its input to avoid the need for square root device 17.
Patent GB-1217884-A (GB)
Title: Container closure
IPC: B65D41/02
Filed: 1968-01-25
Abstract: 1,217,884. Container closures. PHILLIPS PETROLEUM CO. 25 Jan., 1968 [26 Jan., 1967], No. 3959/68. Heading B8T. A container closure of resilient material comprises a disc portion 11 and a wall 12 which act as a plug stopper, and an outer skirt 14. When the closure is assembled on a bottle, seals are formed at 22 and 24 and annular indentations 19 allows some flexing of the wall to ensure proper seating of the disc 11. The disc is thicker than wall 12 to give sufficient strength and rigidity for a tight seal. If the container has an inwardly disposed lip on the internal bore the closure forms one of the seals by the lip co-operating with indentation 19. When closures are stacked on each other, head 16 seats on shoulder 17 and a cylindrical portion 18 is a sliding fit in a cylindrical portion 21 thus stopping them sticking together. In a modification, Fig. 4 (not shown), the disc 11 has grooves (30) around the periphery to allow venting of internal pressure from a container interior, the seal formed by the outer skirt acting as a one way valve.