baber/WOPTO huggingface dataset:
Patent GB-686179-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G17/20
Filed: 1949-10-20
Abstract: 686,179. Elevated railways; conveyers. KING, D. M. Oct. 11, 1950. [Oct. 20, 1949] No. 26967/49. Classes 78 (i) and 104 (ii). A trolley for a conveyer system comprises two similar pressed metal plates 11 arranged back to back to provide a body having a wide upper portion and narrow lower portion, the upper portion having at each side an inverted channel 14 housing a set of wheels 15 running on two parallel rails 10, between which the lower portion 17 of the trolley extends, such lower portion being provided with rollers IS at opposite sides to engage vertical surfaces on the rails and take up lateral thrust. The spindles 16 of wheels 15 are provided with flats for insertion in vertical slots 24 cut in the outer limb of each U-shaped portion 14, the inner ends of the spindles 16 being locked in the inner limbs of the U-shaped portions 14 by means of spring clips 25. The upper ends of the spindles 19 of rollers 18 arc supported in lugs 20 pressed out of the vertical parts of the U-shaped portions 17. A transverse spindle 23 supports a load bar (not shown). The upper portions of plates 11 are rigidly connected by a hood consisting of a top 12 and ends 13, while the lower portions between the tracks 10 are connected by members 21, Fig. 3, one at each end of the trolley which act to guide the trolley on bends and at switches in the track.
Patent GB-519187-A (GB)
Title: Improvements in and relating to fences for wood-working machinery
IPC: B23Q3/00
Filed: 1938-09-16
Abstract: 519,187. Fences. ROBINSON & SON, Ltd., T., and ROBINSON, J. C. Sept. 16, 1938, No. 27029. [Classes 145 (i) and 145 (ii)] A fence 23 of adjustable type may be canted about an axis 21 carried by a slider 16 adjustable vertically or the vertical part 14 of a fence carrier which may be adjusted to and from the work along a groove in the work table 9. The slider 16 is clamped in position by a bolt 18 extending through a slot in the fence carrier. Stops limit the upper and lower movement of the fence.
Patent GB-508446-A (GB)
Title: Improvements in or relating to airscrew systems
IPC: B64D35/04
Filed: 1938-09-16
Abstract: 508,446. Screw propellers. MERCIER, P. E. Sept. 16, 1938, Nos. 27098 and 27099. Convention dates, June 8 and Aug. 17. [Classes 4 and 114] [Also in Group XXIV] In an airscrew system comprising two oppositely rotating coaxial airs crews driven by one engine, the driving shaft of which is parallel to the axis of the screws and which acts through transmission including a differential of which the satellites are mounted on a carrier and gear with two wheels which transmit the drive to the airscrews, there is arranged a direct drive for one shaft and an indirect through a reversing gear to the other shaft. The reaction couple of the reversing gear may be resiliently balanced and one of the airscrews may have blades of variable pitch. An engine shaft 1 drives through pinions 5, 6, a planet carrier 7, the bevel wheels 8 of which mesh with a bevel wheel 9 keyed to the inner propeller shaft 10 and with a bevel wheel 11, which in turn meshes with pinions 13 driving in reverse direction a bevel wheel 14 keyed to the outer shaft 15 of the other airscrew. The carrier 13 is rigidly secured to the casing 4 or an elastic connection may be used. The drive may also be rendered free by releasing a ratchet or brake normally holding the member fixed with respect to the casing. The air screw 16 carries centrifugal weights 18 which through arms 25 operate upon a sleeve 27 which is under restraint of a spring and which has rack and pinion gearing with the roots of the blades 10 of the forward airscrew. In a modification, the two shafts carry spur wheels, one of which meshes directly with a spur wheel free on the engine shaft and the other through an intermediate gear with a second pinion free on the engine shaft, the two wheels on the engine shaft being coupled by bevel gearing with a set of bevel wheels carried by a plane member secured directly to the engine shaft. Instead of securing the planet carrier to the engine shaft it may be attached to a shaft in line with the engine shaft and driven therefrom through a flexible coupling. In a modification, the engine shaft 71 drives a planet cage 72 2 and there is a fixed planet carrier 75 both sets of planets 73 meshing with a common central pinion 74 and respectively with internal pinions 76, 77, which are connected to the airscrew shafts 78, 79. Where the pitch of the front airscrew is to be controlled by the pilot, this may be done hydraulically and the piping 84, 85 therefor is lead to a sleeve on the engine shaft. The lead 84 passes to an inner tube 94 having a spring controlled stuffing box connection 95 with a tube 96 leading to the pitch changing gear in the propeller. The return fluid passes as shown in the arrows into the space 90 and back through a pipe 85. There is also a spring controlled stuffing box 98 between the tubes 97 and hollow engine shaft.
Patent GB-318638-A (GB)
Title: Improvements in rotary pumps
IPC: F04C2/344
Filed: 1929-09-06
Abstract: 318,638. Wrona, C. Sept. 8, 1928, [Convention date]. Fixed-abutment type; weight of moving parts, reducing.-The vanes of a rotary pump are provided with enlargements Q which slide in grooves N in the rotor slots and which are exposed, when passing the outlet, to the delivery pressure by a recess T; the grooves at the underside may Le connected to the atmosphere by ducts R, S in the rotor. A liner B fitted in the stator has keyed therein a ported abutment member E and has a portion relieved adjacent the abutment to form the recess T. The vanes are bevelled at their tips and formed with a number of bores into which the fluid enters. A semi-cylindrical vane oscillating in a groove parallel with the axis of rotor may be used instead of the radial vanes shown. The Specification as open to inspection under Sect. 91 (3) (a) comprises bore vanes with the solid portion equal to the volume of the bores. This subject-matter does not appear in the Specification as accepted.
Patent GB-193088-A (GB)
Title: Improved construction of joint for frames of hollow metal structures
IPC: B62D27/02
Filed: 1921-10-14
Abstract: 193,088. Mayrow, J. J. Oct. 14, 1921. Joints.-Thin metal structural members l, m, Fig. 2, of road and rail vehicle bodies, and formed of one or more corrugated channel-like portions, are connected together at an angle by two jointplates a, f, shown enlarged in Fig. 1. The corrugations b of the part a fit into the corrugations of the vertical member l, and the corrugations of its side flanges d fit into the corrugations of the horizontal member m, a back extension e being riveted to one side of the member m. The other joint-plate f is corrugated at q and has flanges k, h which are secured respectively to the lower flange of the member m and to the flanges c of the part a of the joint through the flanges of the member l, thus holding the members together. A pair of plates for use when the horizontal structural member has a closed section such as that shown in Fig. 8 is also described.
Patent GB-1376962-A (GB)
Title: Collapsible manually operable loom
IPC: D03D29/00
Filed: 1973-06-11
Abstract: 1376962 Hand looms W B PINK 11 June 1973 [12 June 1972] 27369/72 Heading DIE A hand loom is collapsed by pivoting the end frames I and 2 in the same sense, after slackening off wing nuts 19, the side frames forming parallelograms such that the warp will stay at the same tension when the loom is collapsed. Side members 3 have notches 16 to receive the top cross member 9 of end frame 1 when the loom is collapsed.
Patent GB-674833-A (GB)
Title: Improvements in or relating to insulated electrical conductors
Inventor: SCOTT THOMAS ROBERTSON
IPC: H01B7/08
Filed: 1947-10-13
Abstract: 674,833. Electric cables. STANDARD TELEPHONES & CABLES, Ltd. Oct. 8, 1948 [Oct. 13, 1947], No. 27404/47. Class 36. [Also in Group VIII] In the manufacture of cable, conducting material, e.g. silver, copper, is interleaved between layers (or series of superposed layers) of mouldable material, e.g. resin-impregnated paper or woven glass fabric, on one or more of which the conductor is printed or otherwise deposited in particulate form (by methods which may include those described in Specifications 569,388 and 646,921, [both in Group II],) and the assembly is moulded under heat and pressure into a unitary whole. If the mouldable material is resin-impregnated, the assembly may be passed between the electrodes of a high-frequency heating equipment to effect partial polymerization of the resin and then between heated rollers. As illustrated in Figs. 1 and 2, two sheets F may each be prepared with one or more conducting strips and brought together with the strips in contact, and the cable may be split as in the plane H, Fig. 2, to produce single core cables. The cable shown in Fig. 5 may be folded and consolidated to the form shown in Fig. 6, or two or more single-core cables may be united to produce a cable of similar form. The cables may have fixing slots B, Fig. 4. Fig. 3 shows an insulating sheet covered or partially covered on one surface with a metallic deposit wound into a tight spiral which is consolidated.
Patent GB-363398-A (GB)
Title: Improvements in circular sewage distributors
IPC: C02F3/04
Filed: 1930-09-15
Abstract: 363,398. Rotary sewage distributers. HARTLEY, E., 3, Dartmouth Avenue, Westlands, Newcastle-under-Lyme. Sept. 15, 1930, No. 27445. [Class 69 (iii).] In circular sewage distributers of the kind in which the feed barrel 3 has rotational but non- rocking mounting on a central pillar 4, the guy ropes 7 for the distributing arms are supported above the top of the fixed column so as to allow access to the bearing of the barrel or the crosshead from which the barrel is suspended. In a construction shown in Fig. 1 the barrel 3, which is supported by a bearing 5 on the top of the fixed column 4, carries a bridge 1 having an upward extension 6 supporting the guy ropes 7 which may be clamped between a curved block 11 and a leather pad 12 by a plate 13. The legs of the bridge 1 are spaced apart to give access to the bearing 5. In a modification in which the barrel is suspended by rods from a crosshead mounted on the fixed column a similar bridge is carried by the crosshead. In a continuation shown in Fig. 3 the bridge 1 is built up of angle iron the side members 10 having rigid attachment to the barrel 3 and crosshead 8. To allow movement to equalize tension of the guy ropes on either side of the columns, rollers may be provided as described in Specification 261,852, [Class 69 (iii), Spray-producers &c.].
Patent GB-533109-A (GB)
Title: Improvements relating to electromagnetically controlled devices for injecting fuel in aircraft supercharged engines
IPC: F02M69/00
Filed: 1939-10-09
Abstract: 533,109. Regulating ; spray carburetters. AEROPLANI CAPRONI SOC. ANON., and FUSCALDO, O. Oct. 9, 1939, Nos. 27509 and 27510. Convention dates, Jan. 31 and Feb. 27. [Classes 7 (iii) and 7 (vi)] In supercharged aircraft engines having electromagnetically controlled injection of fuel, and wherein the air-compressor is automatically controlled to maintain the full power of the engine up to a pre-determined altitude, means are provided for controlling the fuel supply so as to maintain the ratio of fuel to air constant after the pre-determined altitude has been exceeded. Fig. 1 shows an air-compressor 5 supplying manifolds 1, 1<1> into which fuel is injected at 2, 2<1> by electromagnetic devices controlled by a rotary distributer 4. The air pressure is maintained by a control device 38 influenced by the charging-pressure and controlling the air-intake throttle 8 through a toggle linkage 25, 26 in the hand control 24. Fuel is supplied by a pump 9 and pipes 12, 13 14, byepasses 15, 16 being arranged to be controlled respectively bv the hand control 24, and by an aneroid capsule 21 which retains the fuel-to-air ratio constant at the higher altitudes. The byepass 15 is connected by a lever 17 and rod 34, 34<1>, and arm 36 to the'lever 24, which is similarly connected by an arm 35, rod 33, 33<1>, and arm 32 to the distributer 4 for varying the timing of the injection. The rods 34, 34<1> and 33, 33<1> are telescopic and are maintained at their minimum length by springs 38<1> until the hand-control lever 24 has been moved sufficiently to open the throttle 8 to give normal engine power at ground level, after which further movements of the hand control bring abutments 39 against stops 40, so that the rods 33, 33<1> and 34, 34<1> are therefore lengthened without further adjustment of the arms 17 and 32. In a modification, the rods are not telescopic, and the arms 35, 36 are loosely mounted on the pivot of the lever 24, which has a projection contacting with the arms.
Patent GB-297748-A (GB)
Title: Improvements in and relating to multi-colour sheet intaglio printing machines
IPC: B41F9/02
Filed: 1928-09-25
Abstract: 297,748. Egli, A. A., (Assignee of Verlag des Hamburger Fremdenblattes Broschek & Co.). Sept. 26, 1927, [Convention date]. Rotary intaglio machines for printing sheets with multicolour impressions, of the kind in which two or more printing-cylinders C<1> - - C<4> are moved into and out of contact with an impression cylinder B formed with a number of impression surfaces B<1> - - B<5>, are constructed to prevent blurring or streaking of the impressions by the shaking of the cylinder B as the cylinders C<1> - - C<4> are moved into printing position. To effect this, the rollers C<1>, C<3> which print at the same time on sheets carried by the surfaces B<1>, B<5> are arranged to come into operation simultaneously, and the design parts of the cylinders come into action after the actual contact of the cylinder so that any shaking of the cylinders does not affect the impression. The cylinders C<2>, C<4> remain out of action while the cylinders C<1>, C<3> are printing, and they are brought into action simultaneously when the cylinders C<1>, C<3> are tripped. The axes of the cylinders C', C<4> are arranged on an arc concentric to the cylinder B, and are arranged so that each pair are separated angularly by 72‹. The cylinders C<1> - - C<4> and their inking arrangements are so arranged in relation to the impression cylinder as to prevent excessive drying of the ink before the impression is effected, the axes of the cylinder B, cylinder C<4>, and inking-roller I<4> being in approximatelv the same plane. The cylinder C<1> - - C' are also grouped around the lower half of cylinder B for a similar purpose.
Patent GB-1086124-A (GB)
Title: Twisted-in-wire brush-like construction for christmas tree branches and like decorative products
IPC: A41G1/00
Filed: 1965-06-29
Abstract: 1,086,124. Artificial Christmas Trees. E. C. REICHERT and J. C. LEWIS. June 29, 1965 [June 30, 1964], No. 27570/65. Heading A4X. In a brush-like construction for artificial Christmas tree branches, wreaths and the like a mixture of at least two synthetic fibres at least one of which is a halogencontaining fibre is twisted between wires, the halogen-containing fibre being present in at least 10% by volume of the total mixture. The fibres may be of such mixtures as polyvinyl chloride and polystyrene, the object being to obtain a mixture of non-flammable characteristics.
Patent GB-227945-A (GB)
Title: Improvements in or relating to laminated springs
IPC: F16F1/24
Filed: 1923-11-02
Abstract: 227,945. Gill T. W. Nov. 2, 1923. Laminar springs. - In laminar springs of the kind having marginal grooves containing packing and provided with lubricators and means for conveying the lubricant to the packing grooves, lubricators are provided on the upper leaf in communication with longitudinal grooves e, Fig. 4, which have fin - like grooves f connecting them to the packing grooves b, and the springs are also provided with antifriction devices such as balls, g, Fig. 1, rollers, &c. housed in recesses h in the leaves, or in cages disposed between the leaves.
Patent GB-1509734-A (GB)
Title: Towel dispensers
IPC: A47K10/36
Filed: 1975-07-01
Abstract: 1509734 Towel dispenser PWA PAPIERWERKE WALDHOF - ASCHAFFENBURG AG 1 July 1975 27615/75 Heading B8M In a dispenser for delivering towels of various lengths, a feed roller 20 over which the towels are guided has a hollow spindle 40 rotatable on a shaft 42 connected to a locking and time-delay device (not shown) and a transmission is provided between the spindle and the shaft, for transmitting the rotation of the spindle to the shaft or vice versa selectively in one of at least two presecribed ratios. A length of towel is delivered through an aperture in the dispenser casing which may be provided with a cutting edge either by grasping a protruding end of the towel or by depressing a lever 62. The transmission may include a pin 94 releasably insertable in a bore 92 in the shaft and engageable with recesses 90 in the spindle, to provide a 1 : 1 ratio. A step-up gear providing a ratio from 1 : 1 to 2À5 : 1 may comprises a gear 72 on the shaft and one or more gears 80, 82 on the spindle which may be coupled to provide the requisite ratio by various gear-wheel pairs, e.g. 100, 102 displaceable in respective holders, e.g. 104 into and out of mesh with the gears 72 and 80 or 82, or which may be permanently in mesh and selectively engageable with each other. Alternatively planetary gears may be used. The gears may be of plastics construction. After delivery of a length of towel, a spring device 60, 70 turns the rollers 20 to advance a short projecting end of the towel through the casing aperture. The towels may be of paper or textile material.
Patent GB-276171-A (GB)
IPC: A61B7/02
Abstract: 276,171. Arnold, J. E. Oct. 1, 1926. Stethoscopes.-A stethoscope comprises a chamber A, open at the front A<2>, through the walls of which pass two pairs of tubes B<1> whose mouths open towards the dome A<1> ; each pair of tubes converges outside the chamber to form a single tube to which an indiarubber tube connected to the ear-piece is connected. In a modification, the mouths of the tubes are more flared and at a greater distance from the dome, the mouths of each pair being continguous.
Patent GB-187231-A (GB)
Title: Improvements in or relating to the production of chrome-alum
IPC: C01G37/10
Filed: 1922-10-12
Abstract: Chrome alum crystals are prepared by adding to green chrome alum solution small quantities of potassium dichromate, sulphuric acid and sulphurous acid, when the violet chrome alum is immediately produced and is readily crystallized.  The quantity of potassium dichromate is not sufficient to oxidize any iron present, and the sulphuric acid is equivalent to the potassium of the dichromate.  In an example, ferrochromium is dissolved in sulphuric acid, and about half of the ferrous sulphate is removed by crystallization.  The ferrous sulphate is separated in a centrifugal machine and the necessary quantity of potassium sulphate is then added.  The green solution is then treated as above described to obtain chrome alum crystals.
Patent GB-242661-A (GB)
Title: An improved electrical conductor or filament
IPC: H01J1/14
Filed: 1925-11-07
Abstract: 242,661. Dubilier Condenser Co. (1925), Ltd., (Assignees of Nyman, A.). Nov. 7, 1924, [Convention date]. Vacuum tubes.-A filament for thermionic or .vacuum-tube apparatus is made of beryllium.
Patent GB-188907-A (GB)
Title: An electric fly and insect killer
IPC: A01M1/04
Filed: 1921-10-22
Abstract: 188,907. Thomas, H. A. Oct. 22, 1921. Electric killing-appliances.-An electric appliance for killing flies &c., comprises two series of oppositely charged annular plates a, a<1> spaced apart by insulating collars c and held together by bolts d covered by insulating tubes e. The alternate plates are connected by wires f in communication with the conductors of an adapter p for a standard lamp socket or for connection to a battery of dry cells. Bait may be placed on a hook t, or an electric lamp may be arranged within the appliance. A metal pan h may be arranged at the base of the appliance to receive dead insects. The Provisional Specification describes also a modification in which the charged plates are in the form of a flat grid.
Patent GB-463879-A (GB)
Title: Improvements in stereo-photogrammetric plotting apparatus
IPC: G01C11/00
Filed: 1935-10-11
Abstract: 463,879. Photogrammetric apparatus. NISTRI, U. Oct. 11, 1935, No. 28103. Convention date, Oct. 12, 1934. [Class 97 (i)] In stereogrammetric apparatus for plotting a three-dimensional object from a pair of stereoscopic photographs each inserted in a camera, each camera is mounted in a support to which a translucent mirror is rigidly connected the mirror being inclined at 45‹ to the axis of the camera and being so arranged that the virtual image of the said axis produced by it passes through the centre of a cardan joint connecting the support to the frame of the apparatus, and that the virtual image of the principal point of the camera objective, on the side remote from the photograph, coincides approximately with the centre of the said cardan joint. The apparatus comprises a standard 1 carried by a slide 2 mounted on guides 3 secured to a slide 4 which is mounted on guides 5. Slidably mounted on the standard 1 is a member 6 carrying slides 7, 7<1> integral with bushes 8, 81 in which are slidably mounted arms 9, 9<1> bearing cardan rings 10, 10<1> at the centres of which measuring marks 11, 11<1> are provided. A tubular member 12, Figs. 3 and 4, carries at each end a cardan system 13 comprising a rotatable arm 14 in which a ring 16 is pivoted, the ring 16 being connected to the ring 10 by a tube 17 in which is mounted a compound objective 18 the focal length of which is variable so that the corresponding mark 11 always lies in its focal plane. The member 12 also carries at each end a second cardan system consisting of a rotatable sleeve 19 to which is pivoted a bracket 21. The camera 23 carrying the photograph 25 has an objective 24 identical with that of the surveying camera and is rotatably mounted in a collar 22 integral with the bracket 21. A transparent mirror 27 is rigidly secured to the bracket at an angle of 45‹ to the axis of the lens 24 so that the virtual image of this axis passes through the centre of the ring 16, the arrangement further being such that the virtual image of the principal point of the lens 24, on the side remote from the photograph, lies at the centre of the said ring. The photograph is seen by reflection in the mirror 27 simultaneously with the image of the mark 11 formed by the objective 18 and seen through the mirror, by a telescope system comprising an objective 28, to which the rays from the mirror 27 are directed by a reflector 34, reflecting prisms 35, 36, a collecting lens 29 in the focal plane of the objective 28, a reflecting prism 37, an inverting objective system 30, 31, a reflecting prism 38 and an ocular system 32, 33. An Amici prism 41 is disposed between the lenses 30, 31 and is arranged to be adjusted so that the observed image is always erect. The images of the marks 11, 111 form a stereoscopic image which is caused, by adjusting means of known kind, to coincide successively with the various points of the surface being plotted.