baber/WOPTO huggingface dataset:
Patent GB-855847-A (GB)
Title: Method of progressively heating sheet metal and an induction coil for performing the method
IPC: H05B6/36
Filed: 1958-03-21
Abstract: 855,847. Induction heating. DEUTSCHE EDELSTAHLWERKE A.G., ALLGEMEINE ELEKTRICITOTEG.m.b.H., and STAHLUND WALZWERKE RASSELSTEIN/ ANDERNACH A.G. March 21, 1958 [March 23, 1957], No. 9219/58. Drawings to Specification. Class 39(3). A method of progressively heating ferritic strip of a thickness not exceeding 0À5 mm. to temperatures below 500‹C. by means of at least one induction coil embracing the strip comprises operating with current at medium frequency, e.g. between 500 and 10,000 cycles per second, and at a power density not exceeding 20 watts/sq. cm. The conductor sections of the induction coil are preferably arranged to cross the strip at right angles in relation to its edges and have connecting portions extending around the edges of the strip from one side to the other of the latter at an angle of pitch exceeding 25 degrees.
Patent GB-514045-A (GB)
Title: Improvements in machines or apparatus for shaping metal tubes, containers and the like
IPC: B21D22/18
Filed: 1938-04-25
Abstract: 514,045. Spinning; seamed joints. DOVE, J. A. April 25, 1938, Nos. 9250 and 9252. [Class 83 (iv)] In shaping a seamed or seamless container 13 with or without an end 13a by means of pressure rollers 34 which bulge out the wall when rotated and/or reciprocated in the container as in Specifications 486,002 and 486,083, the surrounding shaped die 10 is in hinged halves, to allow the work to be inserted or removed at right angles to the work axis. The halves are held together by a latch 27 closed over their joints when the end support 16 is moved up axially by means of a cam slot 20 when the support is rotated by handle 21. The surrounding shaping die halves may be divided into transverse sections 22, Fig. 8, spring loaded at 23 to allow for limited axial expansion or contraction. The end support may have a similarly sprung end 16, Fig. 8, faced by a rubber &c. disc 28. To prevent seamed containers bursting the direction of the seam is reversed at the open end as at 37, Fig. 5. A flange 15a on the outer end-support 15 prevents inwards collapse of the seam during shaping.
Patent GB-754743-A (GB)
Title: Improvements in or relating to filing cabinets
IPC: E05B65/467
Filed: 1954-03-30
Abstract: 754,743. Multipte fastenings. ROSS, H. H. Jan. 21, 1955 [March 30, 1954], No. 9303/64. Class 44. Relates to filing cabinets of the type in which sets of drawers are arranged in pairs side by side for sliding movement in the body of the cabinet and there is provided a locking strap for each drawer (or for each vertical tier of drawers) which is hinged to the body of the cabinet for movement from a closed position in front of the drawer to an open position clear of the drawer, locking means being provided to secure the locking strap against unauthorized movement from its closed position. According to the invention the drawers slide between a pair of side cheeks projecting beyond the front of the drawers when they are closed, each cheek carrying a locking strap and there being a locking bar extending from one side cheek to the other clear of the drawers and adjustably supported by the side cheeks, catch members carried near the ends of the bar and by the locking straps for engagement by adjustment of the bar, when the straps are closed, to hold the straps against opening movement, and a lock holding the bar with the catches engaged. As shown, in which a cabinet comprises two tiers of drawers 7 and 8, each tier consisting of top and bottom sets of drawers separated by a partition 12 and in which the drawers are slidable between side-pillars 10, 11 and a central upright 9, a channel section locking strap 13 is hinged to each pillar 10, 11 and to the upright 9 and co-operates with a locking bar 20 rotatably mounted on the pillars 10, 11. A bolt 18 of a key-operated lock 17 carried by the upright 9, engages a pin 19 on the bar 20, the pin being passed towards the bolt by a spring 22. The arrangement is such that as the bolt is operated to rotate the bar 20, pegs 23 thereon, are engaged behind inturned portions 25 of the straps 13 thereby locking the straps against outward movement about their hinges.
Patent GB-1361563-A (GB)
Title: Steel
IPC: C22C38/00
Filed: 1972-02-29
Abstract: 1361563 Steel compositions STAHLWERKE SUDWESTFALEN A G 29 Feb 1972 [1 March 1971] 9315/72 Heading C7A A case-hardenable steel comprises in weight per cent:- 0À15 to 0À25% carbon 0À50 to 1À00% silicon 0À50 to 0À90% manganese 0À10 to 0À80% chromium 0À30 to 0À60% molybdenum 1À20 to 2À0 % nickel the balance being one or more grain growthinhibiting agents and iron with compatible impurities, and the sum of the manganese, chromium, molybdenum and half of the nickel content being between 2 and 3%. A preferred graingrowth inhibitor is aluminium. When subjected to direct case-hardening, the resulting steel has high hardenability and core strength together with satisfactory perlite formation.
Patent GB-792522-A (GB)
Title: Improvements in or relating to bucky diaphragm mechanism
IPC: G21K1/02
Filed: 1956-03-26
Abstract: 792,522. X-ray apparatus. LIEBELFLARSHEIM CO. March 26, 1956 [Dec. 22, 1955], No. 9323/56. Class 98(1) Mechanism for moving a Potter-Bucky grid includes a reversible electric motor for driving the grid alternatively in opposite directions, a tension spring tending to move the grid towards its starting position, and a clutch for disconnecting the grid from the motor, so that it immediately returns to its starting position under action of the spring. As shown in Fig. 1, a Bucky diaphragm 1 is supported for limited movement perpendicular to its lead strips in a frame 5, and is urged to the right by a tension spring 12. An electric motor 23, Fig. 3, drives a gear wheel 25 meshing with a gear wheel 30, which is fast with a gear wheel 32 and rotates freely on a shaft 31. A plate 33. also pivoting on shaft 31. carries a shaft 37 about which freely rotate a gear wheel 38 in constant mesh with gear wheel 32, arid a gear wheel 39 fixed to gear wheel 38. Plate 33 has a slot 35 engaging a fixed pin 36, and carries an armature 58 co-operating with a solenoid 57. When the solenoid is energized, the arm 33 is thereby moved upwards as far as the pin 36 and slot 35 will allow, in which position pinion 39 engages a pinion 42 connected to a pulley 43, which is encircled by and attached to a cord 45 connected to the grid 1, so that the motor 23 drives the grid. Owing to the large ratio of the reduction gearing, the action of spring 12 does not greatly affect the speed of the grid in either direction. When solenoid 57 is de-energized, plate 33 is moved downwards until pin 36 engages the other end of slot 35 by spring action. When an X-ray exposure is to be initiated, a switch is closed, energizing motor 23 and solenoid 57. As the grid begins to move, a micro-switch 21 is operated to cause energization of the X-ray tube, so that when the exposure begins the grid is in motion. The grid has two projections, working on opposite sides of a lever 65, which has a flat cam surface against which a spring blade 63 presses. At the end of the first stroke one projection rocks lever 65 to a position such that a micro-switch 20 is operated through soring 63 to reverse the motor. At the end of the next stroke of the grid (in the reverse direction) the second projection rocks lever 65 to its original position. The grid is moved alternately in opposite direction until the exposure is terminated, whereupon motor 23 and solenoid 57 are de-energized, and the grid is returned to its original position by spring 12. Specification 706,082 is referred to.
Patent GB-595751-A (GB)
Title: Traction reducer
IPC: B62D49/06
Filed: 1944-05-16
Abstract: 595,751. Vehicle starting appliances operated manually. TRIGGS, W. W. (Specialty Equipment & Machinery Corporation). May 16, 1944, No. 9411. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 31, 1946]. [Classes 103 (ii) and 108 (i)] [Also in Group XXI] A vehicle wheel is rotated manually by a pull of a rope from a drum connected through a oneway clutch to a spur wheel on the carriage wheel, the rotation of the drum winding up a spiral spring in the drum, which, when the rope is released rewinds it on the drum for the next pull. A wheel 136, Fig. 2, 7<1>, of a vehicle is rotated by a man pulling on a rope 128 attached to a hook 124, Fig. 9, on a drum 16 mounted on a fixed hollow shaft 10 which is connected to an internal shaft 12 carrying a pinion 62 by a oneway clutch 96, the pinion 62 gearing with a spur wheel 134 attached to the wheel 136. The shaft 10 is fixed at one end to a bracket 54 attached to the axle 58 and the bearing casing 68 of the pinion 62 is mounted on an arm 132 attached to the axle adjoining the spur wheel 134. The drum 16 is mounted at one end of the shaft 10 by a ball bearing 48, the other end being mounted on the internal shaft 12 through the medium of a ratchet clutch 96, 97 which locks the shaft 12 to the drum when the rope 128 is pulled so as to revolve the pinion 62 and drive the wheel 136. The rope is rewound on the drum for the next pull by means of a spiral spring 110 fixed to the drum by screws 112 and to the fixed shaft 10 by screws 114, the spring being wound up by the action of pulling the rope off the drum, the number of turns of the drum being limited by a cable 116 fixed at one end to the shaft 10 and at the other to the drum. The pinion shaft 12 is supported inside the shaft 10 on needle bearings 14 and by balls 70 in the casing 68. The vehicle is prevented from running backwards when the rope 128 is released by locking the shaft 12 to the casing 68 by a one-way clutch comprising a dog 86 slidable on splines on the shaft 12 and a dog 80 fixed to the casing 68, the two parts of the dog clutch being separated at will by a manually actuated cam 92. If the vehicle is to be pulled backward the apparatus is transferred to the other wheel.
Patent GB-177064-A (GB)
Title: Self-sealing of punctures and leaking patches from the inside of airtubes, as used on cycles, motor-cycles and the like
IPC: B29C73/18
Filed: 1921-03-30
Abstract: 177,064. Peacock, H. B. March 30, 1921. Air tubes and chambers.-For automatically closing punctures thin rubber patches, which have been coated with rubber solution and then dipped in powdered talc, are arranged loosely within the air-tube, together with a quantity of talc.
Patent GB-622868-A (GB)
Title: Mechanism for moving a movable member
IPC: G12B1/00
Filed: 1947-04-09
Abstract: 622,868. Indicating-apparatus. FOXBORO CO. April 9, 1947, No. 9429. Convention date, April 9, 1946. [Class 106 (iv)] [Also in Group XXIV] A friction gearing device such as is used in finely adjusting the movement of an automatic controller is manually adjusted by a knob 90 rotating a shaft 88 having a peripheral groove 106 with which engages, between limiting projections 112, 114, the inner edge of an arcuate part 86 of a lever 82, a straight portion 84 of which is pivoted at a point approximately coincident with the axis of the arcuate part 86. The pivoted part of the lever is provided with a slot 104, one side of which is set to prevent axial movement between the mounting plate 16 and rivet head 96. A link 92 transmits the motion to the instrument, being connected to an oscillating lever 28 comprising upper and lower arms 30, 32 separated by a post 34. Pivotally mounted between the arms is a bellcrank 39 connected through an arm 42, link 62, pivoted sector 60 and a link 64 to a temperature responsive element of the controller, and through an arm 40, link 58, lever 54, post 52, lever 50 to a baffle 46 and nozzle 44 of the device to operating with the predetermined temperature for which the instrument is set. Extensions to the sector 60 and lower arm 32 connect the two elements through brackets 68, 76 to parts 72, 78 which control a recording pen and an index pointer respectively, and rotation of knob 90 effects a fine simultaneous adjustment to the temperature responsive element and pre-set temperature control.
Patent GB-141072-A (GB)
Title: Improvements in table pads for garment and like pressing and steaming machines
IPC: D06F83/00
Filed: 1920-04-01
Abstract: 141,072. Marx, J. J. April 3, 1919, [Convention date]. Drawings to Specification. Ironing-machines, work supports for.-In a machine for pressing and steaming garments, the pad for supporting the garments on the buck is composed of steel shavings felted or matted and interlaced with wire.
Patent GB-233121-A (GB)
Title: Improvements in screening machines
IPC: B07B1/30
Filed: 1924-04-15
Abstract: 233,121. Millin, H. April 15, 1924. Reciprocating sieves of the kind in which the reciprocating movement of the sieve is at right angles to the direction of flow of the material, are mounted on slides and actuated by mechanical means. Preferably the apparatus comprises a series of sieves of increasing mesh arranged in line and mounted on ledges 11 secured at an adjustable inclination on the sides of a receptacle 9 by bolts 12 guided in slots 13. The sieves are clamped on the ledges by wood blocks and clamping screws 14. Discharging hoppers 18 with side delivery shoots 20 are attached to the receptacle 9, at the upper end of which is mounted a. feed hopper 21 with adjustable slides 22, 23. The receptacle is mounted at an inclination on slides 2 which work in guides on the standards 1 and are reciprocated by an adjustable crank 4 and connecting- rod or by an eccentric on a shaft 3.
Patent GB-396493-A (GB)
Title: Improvements in or relating to change-speed gears
IPC: F16H3/24
Filed: 1932-04-04
Abstract: 396,493. Variable speed gearing. ZAHNRADFABRIK FRIEDRICHSHAFEN AKT.-GES., (formerly ZAHNRADFABRIK AKT.-GES.), Friedrichshafen, Lake Constance, Germany. April 4, 1932, No. 9568. Convention date, April 4, 1931. [Class 80 (ii).] In a four-speed and reverse changespeed gear wherein all the gears are helically toothed, a lay shaft 3 is geared to the driving shaft 1 by constant-mesh gears 5, 8 and carries gears 9, 10, 12 co-operating with gears 4, 6, 7 slidable no the helically-splined driven shaft 2, an additional gear 11, the teeth of which are inclined oppositely to those of the wheels 4, 6, 7, being secured to the shaft 2 and adapted to be engaged by a slidable double-width idler wheel 13 which is in constant mesh with the wheel 12. The gear may be arranged to give an even number of forward speeds greater than four.
Patent GB-590160-A (GB)
Title: Improvements in or relating to ball bearings
IPC: F16C43/06
Filed: 1945-04-17
Abstract: 590,160. Ball-bearings. GROVES, W. W. (Andrews Co.). April 17, 1945, No. 9570. [Class 12 (i)] A ball-bearing comprises substantially mirror image race members 11, 11a, Fig. 1, each of which has two races 12, 13 separated by a circumferential cut-out 14 containing a cage 15. The cage may be of plastic material and provided with a pair of lips 36, 39, the balls 10 being inserted by pressing them past the first lip 36 which is resilient and yields to allow passage of the balls which have freedom of movement between the lips. The marginal portions of the cage may be provided with cut-outs 40, Fig. 7, of circular or other shape to agitate lubricant which may be held within the circumferential cut-outs 14.
Patent GB-125419-A (GB)
Title: Improvements in Detachable Blade Propellers for Aircraft and the like.
Inventor: ROE ALLIOTT VERDON
IPC: B64C11/04
Filed: 1916-07-08
Abstract: 125,419. Roe, A. V. July 8, 1916. Screw propellers. - A number of laminated blades, say four, formed with sector-shaped roots are assembled and bolted together in the manner shown. Loose plates E<1>, E<2> having ridges f fit closely on the shoulders D formed on the outside surfaces of the root surfaces, and bolts G pass through the fixed flange B, roots C<1>, C<2>, C', C<4>, loose plates E<1>, E<2>, and the loose flange H. Additional smaller bolts g are used where there is room, and the flanges are lightened 'by means of holes I. In a modification, dished plates are fitted instead of the plates E', E<2>.
Patent GB-569564-A (GB)
Title: Improvements in mechanical stokers
IPC: F23K3/00
Filed: 1943-06-16
Abstract: 569,564. Variable-speed ratchet gearing. DAY, C. C., CROMPTON, J., and MIRRLEES, BICKERTON, & DAY, Ltd. June 16, 1943, No. 9628. [Class 80 (ii)] [Also in Group XXX] A mechanical stoker of the screw conveyer type is driven at variable speeds by means comprising a lever 14 which has a pivot 12 adjustable while the driving means is in motion and is oscillated to impart to the conveyer screw 28 a step-by-stop rotary motion. In the construction shown the lever pivot 12 is carried by a block 4 slidable in a stationary guide 3 and adjusted by a screw 5 and hand wheel 11. The lever is continuously oscillated by a crank-pin 19 engaging a slot 15 and mounted on a beltdriven pulley 21 on a shaft 22, and its pivot 12 is adjustable so as to be either coaxial with a pin 23 engaging a slot 16 in the lever, or, as shown,'out of line therewith. The pin 23 is carried by an arm 25 which is pivoted at 26 to radius arms 27 loose on the conveyer shaft 28 and has a cam end 29 engaging the periphery of a disc 31 fixed to the shaft. A tension spring 32 controls the lower end of the arm 25, and a spring-loaded friction pawl 33 prevents backward rotation of the screw. When the pivot 12 and pin 23 are in line the arm 25 is not affected by the oscillating lever 14, but when they are not in line the arm is oscillated and gives a step-by-step rotation to the disc 31 at a rate depending on the distance between the centres of the pivot 12 and the pin 23. Toothed ratchet-and-pawl mechanism may be used instead of the friction ratchet shown.
Patent GB-291738-A (GB)
Title: Improvements in or relating to display stands
IPC: A47F5/04
Filed: 1928-03-30
Abstract: 291,738. Schonberger, M. June 7, 1927, [Convention date]. Pedestal stands. - A display stand comprises a central screw threaded rod b provided with a base a and a number of tubular distance pieces d, internally screw threaded so that supporting arms &c. c may be clamped between them. The Specification as open to inspection under Sect. 91 (3) (a) states that the tube pieces need ' not all be screwed, it being sufficient if a few only, or the cap member only, be so formed. This subject-matter does not appear in the Specification as accepted.
Patent GB-808436-A (GB)
Title: Improvements relating to suction cleaning nozzles
IPC: A47L9/04
Filed: 1956-03-28
Abstract: 808,436. Suction cleaner nozzles. HOOVER Ltd. March 28, 1956 [April 6, 1955 ; Aug. 29, 1955 ; Dec. 6, 1955 ; Dec. 23, 1955], No. 9759/56. Class 8(1). [Also in Group XXIII] A suction cleaning nozzle 11, Fig. 1, affording a suction mouth for engagement with a carpet, has mounted therein an endless belt 15 formed with a series of transverse slits 16 in its outer surface, so that when the nozzle is moved over a carpet the belt is caused to travel round a contour of which the curvature differs in different parts whereby each slit 16 opens when it reaches a part of the sharp curvature and closes when it reaches a part of reduced curvature e.g. (the straight portion 21), the belt being so arranged that each slit 16 will travel to and fro between a position 20 in the suction mouth 12 where it will close to pick up litter, and a position removed from the suction mouth where it will open to release the litter into the suction air stream through a conduit 13. The belt, formed from a cylindrical belt 15, Fig. 3, of flexible material with the slits 16 extending parallel to the axis of the belt, is mounted within the nozzle 11 on rollers 17, 18, the lower run 21 of the belt being supported by a roller 19. As the nozzle 11 is moved to the left in Fig. 1, the belt rotates anticlockwise. In a modification the upper roller 18 is omitted and the lower run of the belt engages shoulders on the interior of the nozzle. If desired a number of coaxial belts may be provided in lieu of a single belt. In a further embodiment described with reference to Figs. 9 to 11 (not shown) a plurality of belts run over a common upper roller and over separate lower rollers which are each mounted on one end of a resilient arm secured at its other end within the nozzle. The nozzle 51, Fig. 5, is constructed so that litter is picked up in either the forward or rearward direction of movement of the nozzle over a carpet. The belt 60 passes over a lower internal roller 55. When the nozzle is moved to the left in the Fig. the upper and lower slightly curved runs of the belt engage between external rollers 56, 57 and when moved to the right the belt adopts the position shown in dotted lines between rollers 56, 58. In a further embodiment described with reference to Fig. 12 (not shown) the rear lower run of the belt is engaged between a pair of rollers the lower roller engaging the carpet and being formed of smooth steel and serving as the rear wall of the nozzle. The smooth roller is engaged by a flexible sealing strip secured to the nozzle. If desired any of the nozzles described may be provided with a brush.
Patent GB-640601-A (GB)
Title: Improvements in or relating to direct-current generators
IPC: H02K23/24
Filed: 1948-04-08
Abstract: 640,601. Commutating and compensating windings for dynamo - electric machines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. April 8, 1948, No. 9830. Convention date, April 16, 1947. [Class 35] A D.C. generator capable of maintaining normal P.D. over a wide range of speed as required, e.g., in aircraft, comprises an armature and a field member, the latter having disposed thereon a plurality of windings including: (a) main shunt field windings 14; (b) main commutating field windings 12 in series with the armature; (c) auxiliary commutating field windings 15, the excitation of which varies with the current in shunt windings 14 and is cumulative to the main commutating field. The auxiliary windings 15 are placed on the interpoles carrying the main commutating windings 12 and are adapted to provide a flux in excess of that required for commutation. At .low speeds, the normal P.D. is maintained by the combined effect of the increased current in the shunt winding 14 and auxiliary winding 15 due to decreased resistance of the voltage regulator 19. This increased current in the winding 15 causes a great amount of overexcitation which makes it possible to maintain the normal P.D. at speeds considerably lower than those at which the shunt field winding 14 alone could maintain. At high speeds, the current in the windings 14, 15 is decreased and in this case the compounding effect of the winding 15 becomes negligibly small. A compensating winding 11 in series with the armature and the winding 12 is used to compensate for the armature reaction in the usual manner.