baber/WOPTO huggingface dataset:
Patent GB-720061-A (GB)
Title: Guards for presses and other like machines
IPC: F16P3/04
Filed: 1952-07-15
Abstract: 720,061. Machinery guards. UDAL, J. D., and MOORE, K. R. C. July 2, 1953 [July 15, 1952]. No. 17823/52. Addition to 612,945 and 692,863. Class 80 (4). In a modification of the interlocking mechanism for a press guard described in the parent Specification, the gap in the hollow cup-like disc h on the crankshaft g subtends an angle of about 180 degrees so that the guard can be opened during the latter half of the stroke, and the locking lever i, which is linked to the guard b and whose hooked end co-operates with the gapped disc, is pivoted on a spindle j carried by a slidable block or blocks m gripped between stationary spring-loaded guides so that should the press, which is automatically de-clutched at the end of each stroke, overrun with the guard open, i.e. with the lever i in the gap, the lever i and spindle j are moved and a roller 6 on the spindle applies a brake 3 to the machine flywheel 2. Friction material may be interposed between the guides and the block m. In a modification the lever i is pivoted on a non-rotatable spindle which is carried by a vertical pivot so that should the press overrun the spindle is swung about the pivot and an abutment at its far end applies a brake to a flywheel on the crankshaft g. The spindle carries a block frictionally gripped between stationary spring-loaded guides.
Patent GB-162215-A (GB)
Title: Improvements in ramps for railway vehicles
IPC: B61K5/06
Filed: 1920-06-30
Abstract: 162,215. Warburton, H., and Fairholme, F. C. June 30, 1920. Car-replacers.-In a ramp for the re-railment of a railway vehicle of the type which can be used on either side of each pair of rails, grooves are provided on the upper surface to guide the wheel flanges and a V-shaped channel on the underside, each branch being adapted to fit the contour of the rail head. The wheel tread runs on a raised centre track a having grooves b, c on each side which are bounded laterally by flanges d, e. On the underside of the ramp is a V-shaped channel bounded by ribs f, each branch having a cross-sectional shape adapted to the contour of the rail head. The outer flanges f at the apex of the V-shaped channel are cut away, permitting the rail to lie in either branch g or h.
Patent GB-138028-A (GB)
Title: Improvements in connection with the pistons of internal combustion engines
IPC: F16J1/06
Filed: 1919-07-17
Abstract: 138,028. Crossley Motors, Ltd., and Wishart, T. D. July 17, 1919. Pistons; pistons, belancing laterally.-In order to prevent knocking, the piston of an internalcombustion engine is pressed constantly against one side of the cylinder by means of a coiled or split spring ring E, which bears on a groove in the piston wall at one side, and at the opposite side acts on a plunger D, which bears on the scraper ring C.
Patent GB-530175-A (GB)
Title: Improvements in or relating to valve assemblies
IPC: F16K3/08
Filed: 1939-06-20
Abstract: 530,175. Rotary valves. PARKER, A. LA R. June 20, 1939, Nos, 17910, 17911 and 17912. Convention dates, June 20, 1938, Oct. 23, 1938, and April 1, 1939. [Class 135] A rotary valve controlling the flow of fluid to or from a series of ports 15 connected to pipes at 18 comprises a hub 29 secured to a stem 27 and formed with radial extensions 31 corresponding to the number of ports 15, each extension being formed with a pocket 42 in which is fitted a yieldable insert 50 adapted to be pressed on to the valve seating in a fluid-tight manner. The insert shown in Fig. 3 comprises a pair of cupshaped members 43, 44 connected together by a pin 47 so that they may be pressed apart by a spring 49 and by fluid pressure when this is admitted from the port 15 through an aperture 55, escape of fluid being prevented by a washer 56 expanded by a split ring 60. In the case where the inlet of fluid is by a port 20, and the ports 15 are outlet ports, the fluid has access to the chamber within the insert by means of an aperture 59, thereby pressing the whole insert downwards on to the valve seating. The valve stem 27 is surrounded by a packing-washer 25, which is expanded by a member 26 pressed upwards by a spring 28. Another spring 41 presses upwards a disc 39 mounted to rotate with the valve, and formed with radial projections 38 corresponding to the positions of the ports 15, and engaging corresponding notches in an annular disc 36, so as to locate and indicate the various positions of the valve with relation to the ports 15. In a modification, Fig. 7, the valve is formed with an arm 74 having a spring- pressed ball 76 arranged to engage indicating- notches 70 in the casing. The inserts in the valve consist of cup-shaped members 82 fitted with washers 84 and pressed downwards at the .centre by springs 87 bearing on buttons 88. The valve stem is surrounded by a packing- washer 79 to which fluid is admitted by passages 81 through the valve.
Patent GB-1357687-A (GB)
Title: Winding of web or sheet materials
IPC: B65H18/10
Filed: 1972-04-18
Abstract: 1357687 Winding webs UNITED MERCHANTS & MFRS Inc 18 April 1972 [22 April 1971] 17927/72 Heading B8R Apparatus for winding webs, e.g. fabric webs, into a roll 18, comprises a driven take-up roller 52, a web roll tensioning assembly comprising a plurality of guide rollers 26, 27, 28 pivotably mounted, e.g. by arms 23, with at least one of said guide rollers 26 abutting the take-up roller 52, and means 19 for guiding a web 15 to said assembly and through said guide rollers to the take-up roller 52 in such a way that the tension in the web 15 from the means 19 to the assembly urges the abutting guide roller 26 against the web roll 18 winding on roller 52 thereby tensioning the roll 18. The guide rollers, one of which may be a bowed spreader roller 27 having a flexible surface 27r, are mounted on a plate 21 adjustably fixed to the arms 23 which are either pivoted to a frame member 95 and can be moved by cables 43 for replacement of a full take-up roller, or pivoted to arms (141), Fig. 12 (not shown), which can be pivoted away for roller replacement. In an alternative embodiment, the web roll is supported on a sandpaper covered roller (41), Fig. 2 (not shown), the drive to this roller being provided via a ratchet wheel (25), Fig. 2 (not shown), driven intermittently by a pawl (77) connected by linkage (70) to a pivoted lever (62) carrying a drop weight (61). At the end of a drive stroke, the lever is raised to a horizontal position by a pneumatic cylinder (101) actuated by switches (91), (92) activated by linkage (85), (86), (81) connected to the linkage (70). The lever then drops again driving the wheel (25) through a further increment. By using two drop weight and lever systems acting on the same ratchet wheel (353), Fig. 4 (not shown), continuous drive can be effected.
Patent GB-1177284-A (GB)
Title: Improvements in or relating to Tell-Tale Marking Devices
Inventor: WALLER PETER
IPC: G07C5/12
Filed: 1967-04-19
Abstract: 1,177,284. Recording-apparatus. SPEEDOGRAPH Ltd. April 19, 1968 April 19, 1967], No.17935/67. Heading G1J. One or a plurality of record discs 6 are secured to a boss 9 on the hinged cover 4 of a fixed casing 1 having a disc 2 therein provided with a radial slot 8 through which a spring 3 protrudes unless pushed back by contact with a record disc 6 whereby a radial mark is made on the disc 6 each time the cover is opened or closed and, if the disc 6 is clock driven, the mark indicates the time.
Patent GB-219708-A (GB)
IPC: B62M11/14
Filed: 1924-07-28
Abstract: 219,708. Schweinfurter Prõzisions- Kugel-Lager-Werke Fichtel & Sachs Akt.-Ges. July 26, 1923, [Convention date]. Variable-speed gearing; back-pedalling brake and free-wheel arrangements.-A rear wheel hub for motor-cycles is provided with a variable-speed gear, a manually-disengageable cone clutch between the wheel hub and the motor drive, and a pedal drive (for starting &c.) mounted at the side of the motor drive upon a member carrying also a back-pedalling brake. The motor-driven chain wheel 1 is fast on a driving-member 3 provided with an internal toothed rim 4 meshing with the planet pinions 10, which are mounted in a carrier 12 keyed to a clutch cone 21 normally pressed by springs 23 against a hollow clutch member 24 keyed to the interior of the hub 2. The sun pinion 13 is slidable upon the axle 5 by means of sliding plates 14, a pin 15, and chain 16, and in the central position shown is free; when shifted to the right by a spring 17, its teeth engage internal teeth 18 on the carrier 12 and a solid drive is obtained. To obtain the low gear, the sun pinion 13 is moved to the left and held fast by engagement with a toothed rim 19 on the bearing member 8. The clutch 21, 24 is disengaged by means of a sliding ring 26 and a rod 29, which is caused to slide in the bore of the axle by means of a cap 30 screwed upon a ring 32 and adapted to be rotated by a pull device &c. The pedal chain wheel 42 is connected in forward driving by a driving member 41, a screw coupling 43, and clutch members 44, 48 to the hub. On back-pedalling, the member 44 engages by means of teeth 54 a ring 53 provided with a conical part to expand a brake sleeve 50, in conjunction with a conical periphery on a flange 52 of a member 51, which is held rigid by a clamping-plate 56 engaging the frame fork.
Patent GB-920835-A (GB)
Title: Improvements in or relating to gas-liquid contactors
IPC: B01D3/22
Filed: 1959-05-26
Abstract: 920,835. Gas-liquid contact apparatus. W. KITTEL. May 26, 1959 [May 31, 1958], No. 17975/59. Class 55 (2). Gas liquid contact apparatus comprises a plurality of contact plates 12, 14, 16 arranged one above another in pairs, liquid conduit means for guiding liquid from one plate down to the next lower plate and gas passages in each contact plate, the passages 30 in the upper plates e.g. 12 and 16 being so orientated that the gases passing therethrough cause a rotation of the liquid on the plate about the central axis of the column, and the passages 32 in the lower plate 14 being so orientated that the gases passing therethrough urge the liquid on the plate towards the centre of the plate, the liquid conduit means being formed in correspondence with the orientation of the gas passages, alternately as an annular channel 26 at the periphery of the upper plate and a central outlet pipe 18 at the centre of the lower plate, the upper limit of each conduit means lying in the same plane as the face of the relevant plate, and the zone of the next successive plate located below the outlet of each conduit means being a face impermeable to gas and liquid. With reference to Figs. 1, (2 and 3 not shown) the apparatus functions as follows. Liquid is fed into the column at 100 while gases rise up the column from the bottom. Liquid flow is indicated by arrows with full tails and gas flow by arrows with dotted tails. Liquid flows down pipe 18 on to baffle 20 and through the ring of guide vanes 22 on to and across plate 12 towards the annular passage 26. Gases rising from passages 30 pass through the liquid on plate 12 and tend to impart an outward rotational motion to the liquid thereby driving the liquid towards the annular passage 26 whence it flows on to baffle 28, through the ring of guide vanes 38, across plate 14 towards the top of pipe 18. Gases rising from inclined passages 32 pass through the liquid on the plate 14 and tend to drive the liquid towards the top of pipe 18<SP>1</SP> and so on. In modifications (not shown) the plates are made in one piece and not sectored as shown in Fig. 3.
Patent GB-179966-A (GB)
Abstract: 179,966. King, H. W. Nov. 13, 1920. Indicators actuated by pressure of head of liquid. -A liquid-level indicator comprises an air chamber 3 arranged within the liquid container 1 and closed at its upper end, the chamber being connected to a gauge and communicating with the liquid only at the full depth to be measured, a tube 13 communicating with the chamber at substantially the same level as the chamber communicates with the liquid, and automatic means for causing air to be drawn through the tube 13 into the air chamber to expel all the liquid therefrom. The air chamber 3, Fig. 1, is fitted with gauge connections 5, 6 and communicates with a second chamber 8 and the container through the holes 10, 4 respectively. The vacuum tank A, which supplies gasoline to the engine intermittently, has pipe connections 2, 14 to the chamber 8, which is fitted with a nozzle 12 communicating with the container 1 and having a connection 13 to the atmosphere. When the tank A is in operation, air is drawn down through the, pipe 13 into the chamber 8, and part of it enters the chamber 13 through the hole 10. The pipes 5, 14, 13 are mounted on the disc 15 to facilitate removal of the parts from the container. The gauge comprises a glass-tube 26 mounted on a scale 28 secured to the dash-board and communicating with a well 38 having a branch connection 39 connected to the pipe 6 from the air chamber. The well 38 contains the indicating-liquid, which is preferably acetylene tetrabromide, and is provided with a screw plunger 41 for adjusting the gauge level. Fluctuation of the gauge is prevented by fitting in the pipe 6 a diaphragm, which permits air to pass slowly therethrough. In a modification the air chamber takes the form of a cylinder having a centrally-arranged air-inlet tube and extending from the top of the container to within a slight distance from the bottom thereof. The top and bottom of the gauge are connected to the tops of the container and air chamber respectively and there is also a connection from the engine intake manifold to the top of the container. The well 38 of the gauge is superseded by a flexible pipe serving the same purpose and kid diaphragms are fitted in the gauge connections.
Patent GB-803097-A (GB)
Title: Improvements in or relating to nose rings for livestock
IPC: A01K15/00
Filed: 1957-06-06
Abstract: 803,097. Nose rings. WAITE, W. E. June 6. 1957, No. 18026/57. Class 5(1). [Also in Group XXV] A nose-ring for livestock comprises two partcircular portions 2, 3 coupled to each other at one end by a pivot pin 6 having its axis parallel to the axis of the ring, the other end of one portion being formed with an oblique sliding surface 10 ending at one end of a rectangular recess 12, the other end of the other portion being formed with a rectangular catch portion 7 facing outwardly in the plane of the ring, so that when the two ring portions are pressed together the ends formed in this way ride over each other thereby radially deforming the ring, and enabling the catch portion 7 to interlock with the rectangular recess 12. The pivot pin 6 passes through a central lug 4 formed in the ring portion 3 and engaged between spaced lugs 5 in the portion 2. The ring is of metal, e.g., stainless steel.
Patent GB-530354-A (GB)
Title: Improvements in, and connected with, ironclad switches
IPC: H01H23/10
Filed: 1939-06-22
Abstract: 530,354. Switch cases. CRABTREE & CO., Ltd., J. A., McLOUGHLIN, H. F., and HILL, W. E. June 22, 1939, No. 18172. [Class 38 (v)] A metal-clad switch-fuse or like unit embodying a tumbler switch com prises an insulating base a secured in a metal box d by a screw e adapted to earth the bridge o the switch b, an in sulating top l for the base a being remov able with the cover m by threading the fix ing screws n through fibre washers o. The unit is fixed to a sup port by screws i, and the base a has forma tions g<1> co-operating with projections on the box-interior for preventing rotation of the base. The box has spaced apertures to receive the leads and fuses c accessible from outside. The fuses may, however, have an insulating cover, or a hinged metal lid which interlocks with the dolly b', Fig. 6 (not shown), the cover or lid being sealed by the means set out in Specification 521,893, [Group XV].
Patent GB-111860-A (GB)
Title: Improved Method of Utilising Old Paper, for the Purpose of Producing New Paper.
Inventor: KNAAP JACOB ARIE VAN DEU
IPC: D21D1/22
Filed: 1917-12-07
Abstract: 111,860. Knaap, J. A. van deu, and Bartelds, B. J. Dec. 7, 1916, [Convention date]. Pulp, preparation of; materials, fibrous.-In a method of utilizing old paper for the purpose of producing new paper, the old paper, after being freed from dirt &c., is ground in a pulping-engine fitted with a rotating washing-cylinder, through which a current of cold water flows from the bottom upwards. The ground mass is then mixed with a soap solution and conveyed to the boiler shown in the Figure, in which the material is also washed. The boiler consists of a conical vessel or tube 1 fitted with a drain pipe 8 and an overflow 10 provided with a removable strainer. Within the tube are inserted steam pipes 2, 3 for boiling the material and through the steam pipes are passed hot water pipes 5, 6 perforated at their inner ends. The material is first boiled by the injection of steam, and afterwards hot water is admitted to the vessel, when the unclean water passes through the overflow 10 and the clean fibre gradually settles to the lower part of the tub and may be drawn off at 8. The operations of boiling and washing may be repeated as often as desired. The material is finally bleached and passed to the stuff chest of a paper machine, the waste water of which is used in the pulping engine in which the waste paper is washed.
Patent GB-264227-A (GB)
Title: Process of propulsion in the midst of a fluid and devices for carrying out this process
IPC: B64C11/00
Filed: 1925-07-16
Abstract: 264,227. Kahn, L. L. July 16, 1925. Screw and like propellers. -A screw propeller blade is built up of elements pivoted on a radial member 73 rotating about an axis 72, the elements being guided by a second radial member 74 rotating about a separate parallel axis 77. This gives rise to a thrust in the direction 77-72 in addition to the axial thrust, and by varying the length and direction of the line 72-77 the direction and magnitude of this thrust may be varied.
Patent GB-230345-A (GB)
Title: Improvements in or relating to duplicating apparatus
IPC: B41L13/02
Filed: 1924-07-30
Abstract: 230,345. Ellam, F. July 30, 1924. Stencilling-apparatus. - Relates to stencil duplicating-apparatus of the kind in which the stencil m and sheet of paper k are placed on a bed b, and a strip of silk mounted in a frame d is allowed to rest on the stencil, the silk being charged with ink by means of an inking-roller. According to the invention, the bed b is provided with a resilient pad or pads e consisting of strips of indiarubber inlaid in the bed, and projecting ridges f on the frame d are adapted to engage the pads and clamp the stencil and paper to prevent creeping as the inking-roller is passed over the silk. The silk j is glued to a frame h held in a recess g in the frame d by turnbuttons, the frame d being attached to the bed b by hinges c.
Patent GB-1464303-A (GB)
Title: Equipment for operating direction indicator lights on vehicle  trailers
IPC: B60Q11/00
Filed: 1975-07-22
Abstract: 1464303 Lamp failure alarms; road traffic signals on vehicles G & P LEISURE PRODUCTS Ltd 22 July 1975 [25 April 1974] 18243/74 Headings G4N and G4Q An electrical connector for connection between a vehicle and trailer comprises a plug and socket combination for supply to the trailer of at least a permanent live connection P from the vehicle battery and a connection for each direction indicator light TL, TR on the trailer, and a switching unit including a pair of switches for energizing a respective one of the trailer direction indicator lights from the permanent live connection P when the corresponding vehicle direction indicator light VL, VR is energized, and means to indicate the failure of either trailer direction indicator light. As shown in Fig. 1, the switches are relays RL and RR which are energized to complete the circuit to the respective trailer indicator light when the corresponding vehicle indicator light is energized. Should a trailer indicator light fail, a relay RW is de-energized and a warning light TW is extinguished. In a modification, Fig. 2 (not shown), the vehicle indicator light failure warning device is also used to indicate failure of a trailer indicator light. As shown in Fig. 3, the switches are transistors 111, 112 having their bases connected to leads 104<SP>1</SP>, 105<SP>1</SP> of a multi-core cable which are connected to the vehicle indicator lights VL, VR. When, for example, the light VL is energized, the transistor 111 is turned on to connect the permanent live socket 101 of the connector to the socket 104 for the left trailer indicator light (not shown) through a relay coil 113 and the collector-emitter path of the transistor 111. Should the trailer light fail, the relay coil 113 is de-energized and a warning light 108 is extinguished. The connector 100 also has connections for the trailer brake and tail lights connected to the vehicle brake and tail lights VT and VR. The switches may be arranged within or outside the plug and socket combination.
Patent GB-242332-A (GB)
Title: Improvements in and connected with conveyor mechanisms
IPC: B65G19/26
Filed: 1924-07-31
Abstract: 242,332. Tugwood, R. J., (Jeffrey Manufacturing Co.). July 31, 1924. Endless chain push-plate conveyers; pushplates and scrapers, construction of; driving- gear; sectional framework; guiding; idler rollers; portable conveyers.-The framework of a scraper conveyer for conveying coal from the working face is made in readily disconnectible sections which are coupled by means permitting flexure in vertical and horizontal planes and which can be moved laterally by jacks &c. to insert the scrapers beneath the coal. A pair of angle bars 8, Fig. 6, is bolted to the bottom plate 6 of each intermediate section 4 and is connected by a ball-and-socket joint to the bars of the adjacent sections. The socket is formed so that the sections may be disengaged by relative vertical movement. A top plate 14 detachably secured to the bars 8 is formed with flanges 16 which in conjunction with bars 17 attached to the plate 6 act as a guide for the conveyer chain 1. The outer end of each scraper 2 is bevelled downwardly and the inner end is mounted on a horizontal pivot attached to the chain 1. The sides of the scrapers are also bevelled. The chain is flexible in both vertical and horizontal planes and has coupling links at intervals. Guides 20 and a shield 22 are attached to supports 21 mounted on the plate 14. The turned up scrapers 2 rest on the guides 20 during the return run. Guide bars 20, 36 on the end section 5, Fig. 3, turn the scrapers from the horizontal to the vertical position and vice versa. Guideways 26, 27 for the chain are provided on the section 5 of similar form to those on the sections 4. The shaft 28 of the idler chain wheel 25, Fig. 10, is mounted in a journal bearing 29 formed on a slider 30 and has a thrust collar 31 attached to the upper end which contains oil. The tension of the chain is varied by adjusting the position of the slider 30 by screw-and-nut mechanism 35. The end section 3, on which the driving wheel 43 and motor 64 are mounted, is provided with an inclined trough 44, 45 up which the material is carried to an elevated delivery point. Guideways for the chain and guide bars for the scrapers are provided on this section. The sprocket wheel 43 is rotatably mounted on a fixed shaft 50 and its hub 51 is connected with a bevel gear 52. A sprocket wheel 58 free on the shaft 54 is connected by a shear pin 59 to the flange 57 of a hub 56 fixed to the shaft so that breakage of the driven parts under overload is prevented. The shaft 54 is connected with the gear 52 by a gear 53, and the sprocket 58 is driven through chain gearing and reduction gearing by the motor 64.