baber/WOPTO huggingface dataset:
Patent GB-401325-A (GB)
Title: Improved means for feeding sheets of paper, envelopes and the like to typewriting machines
IPC: B41J13/12
Filed: 1932-05-10
Abstract: 401,325. Typewriters. ARMANNI, L., 15, Vine Street, Clerkenwell, London. May 10, 1932, No. 13495. [Class 100 (iv).] Sheet-feeding arrangements.-In a sheet-feeding attachment for typewriters, the sheets are arranged between a spring-urged follower and an endless feed-band or a series of feedrollers connected to the platen, and the bottom edges of the sheets rest on a plate which is adjustable with respect to the feedband or feed-rollers by means so arranged that the plate is adjusted uniformly throughout the entire length. The apparatus shown in Figs. 2, 4, and 5 comprises a frame consisting of end plates 2 connected by rods 3, 4, 5 and formed with recesses 9 for engaging blocks 10 on the carriage A. The end plates are provided with latches 11 which engage notches 12 in the blocks and are formed with cams 13 for raising slightly the frame when the latches are released. Rollers 6, 7 mounted in the frame carry an endless band 8, a pinion 14 on the roller 7 engaging a pinion 15 which engages a pinion 16 on the platen 17. For adjusting the tension of the endless band, the bearings of the roller 6 are slidably mounted and are supported by adjustable cams 30 having notches engaging detents. The sheets are supported on edge by a plate 18 which is formed with slots engaging screws 24 on a bar 25, and is provided with forks 22 engaging eccentrics 21 on a shaft 20. Adjustment of the shaft adjusts the front edge of the plate with respect to the endless band to provide an opening corresponding to the thickness of the sheets. The front edge of the plate is bevelled at the top or formed with a lip. The plate is provided with holding-down fingers 37 which engage the rod 5. A follower 29 for the sheets is mounted on a rod 28 carried by arms 27 on a spring-urged shaft 26. A plate 36 directs the sheets to the platen, and another plate 38 prevents the discharged sheets from curling underneath the roller 7. For rapidly feeding the sheets to the platen, the carriage is provided with a hand-lever 31 having a pawl 32 co-operating with a pinion 33 which is geared up to the platen, adjustable stops limiting movement of the hand-lever. Alternatively, the hand-lover may be mounted on the frame 2 and be arranged to drive one of the rollers 6, 7. The endless band may be replaced by a series of feed-rollers.
Patent GB-134960-A (GB)
IPC: B23Q1/48
Abstract: 134,960. Harnes, J. W. Nov. 21, 1918. Milling-machines for scarfing plates cutting inclined keyways, and similar work comprise an angular bed 1 to which work may be clamped, and which is faced at 3 and 4 to receive an angularly adjustable slideway 5, on which is mounted, by means of compound slides, a milling-spindle geared at 12 to a belt pulley or self-contained motor. When used to perform bevelling work in situ, the slideway 5 is mounted on the face 4. In a modification, the slideway may be mounted on a plain bed with the cutter projecting upwards.
Patent GB-1293203-A (GB)
Title: Improvements in rack and pinion steering gear
Inventor: ADAMS FREDERICK JOHN
IPC: B62D3/12
Filed: 1970-03-20
Abstract: 1293203 Vehicle steering mechanisms CAM GEARS Ltd 19 April 1971 [20 March 1970] 13566/70 Heading B7H The ends 10 and 11 of the rack bar of a rack and pinion steering gear are connected to tie rods 12 and 13 by universal couplings 14 and 15. Each end of the rack is received between the arms of U-shaped member 16 the base of which is received between the arms of a bifurcated member 27 attached to a respective tie rod. Pins 25 and 32 passed respectively through the arms of member 16 and the rack bar, and through the arms of member 27 and the central part of member 16, the pins being disposed at right angles to each other, allow movement of the assembled coupling in two orthogonal planes.
Patent GB-567818-A (GB)
Title: Improvements in automatic counter scales
IPC: G01G23/20
Filed: 1943-11-20
Abstract: 567,818. Weighing- apparatus. AVERY, Ltd., W. & T., and TIMSON, W. Nov. 20, 1943, No. 13571. [Class 143] An automatic weighing scale, particularly for counter use, comprises a scale plate a mounted on one arm of a lever c, the other arm whereof is pivotally and flexibly connected to a pendulous or other automatic weight resistant k disposed above and to one side of the spindle l on which is mounted a rotatable indicating drum n situated to one side of the scale plate and in relatively horizontal juxtaposition thereto.
Patent GB-941834-A (GB)
Title: Improvements in mobile lifting staging for workmen
IPC: B66F11/04
Filed: 1960-04-19
Abstract: 941,834. Seating arrangements in vehicles. J. M. EITEL. April 19, 1960 [May 8, 1958], No. 13720/60. Headings B7H and B7J. [Also in Division E1] The driving seat 45 of a vehicle is mounted on lifting gear 21, 52 so that a workman can drive the vehicle and also be lifted through an opening 87 in the roof to work in an elevated position. The arms 52 supporting the seat are mounted on the end of a telescopic boom 41 pivoted on a casing 24 mounted on the rear of the vehicle. A reversible geared motor 33 controlled by a switch 69 on the driver's seat raises the end of the boom carrying the driver's seat by means of a chain 36 connected to the other end 38 and also drives a transmitter motor 66 controlling a receiver motor 64 which operates a screw adjustable arm 59 which keeps the seat level while it is lifted. The workman, to place himself in working position operates the same switch to control motors 43 operating the extension of the telescopic boom and a motor 28 turning the easing about a shaft 22 fixed to the vehicle, by means of gears 26, 27. The steering column 73 is supported by pivoted links 78, 81 to allow it to be moved out of the way about a universal joint 74.
Patent GB-780312-A (GB)
Title: Improvements in or relating to a descaler apparatus
IPC: B21B45/08
Filed: 1955-05-12
Abstract: 780,312. Metal de-scaling apparatus. COMMERCIAL SHEARING & STAMPING CO. May 12, 1955 [May 25, 1954], No. 13729/55. Class 82(2)  An apparatus for de-scaling metal parts by quenching with water comprises a cylinder 14 having a piston therein, to the left of which hydraulic fluid may be supplied by a valve 26 from a pump 11. On the other side of the piston water is admitted from pipe 16a and expelled through a pipe 17 as the piston reciprocates. This water is discharged through a sprinkler nozzle 31. A pusher rod 18 extends through the piston and is spring-biased in the piston to the right. The piece to be de-scaled is introduced in a heated condition against the. pusher head 19 and moved leftwards thus compressing the bias spring so that the end of the pusher rod 18 contacts a limit switch 27 to supply the hydraulic pressure which returns the piston and pusher rod, the former providing a spray at the nozzle 31 whilst the latter pushes the piece under treatment steadily through the spray. A further limit switch 30b releases the hydraulic pressure at the completion of the stroke when the pressure water supplied at 16a returns the piston assembly. A further embodiment utilizing separate cylinders for the pushing movement and the water expelling function, is disclosed. Specification 780,313 [Group XXIX] is referred to.
Patent GB-909201-A (GB)
Title: New steroid products and process of preparing them
IPC: C07J75/00
Filed: 1961-04-17
Abstract: The invention comprises steroid lactones of the general formula <FORM:0909201/IV (b)/1> wherein Y represents hydrogen or methyl (there either is or is not a 2:3 double bond in the lactone ring), X represents keto, b -hydroxy and a -hydrogen, or b -acyloxy and a -hydrogen where the acyl radical is derived from an aliphatic acid containing from 1 to 9 carbon atoms, and wherein when X represents keto there is either a 4:5 double bond or a 5a -hydrogen atom, and when X is b -hydroxy (or acyloxy) and a -hydrogen there is either a 5:6-double bond or a 5a -hydrogen atom but not 2:3-double bond in the lactone ring, the salts produced by treating the above lactones with alkali, and the corresponding hydroxy-acids derived from the salts; and processes for the preparation of (a) the lactone of 4-hydroxy4 - (3b -hydroxy-5-androsten-17b -yl)-2-pentenoic acid or the corresponding butenoic acid by hydrogenating the corresponding 2-pentinoic or butinoic acid with one mol of hydrogen in the presence of Lindlar palladium in tetrahydrofuran or alcohol solution, (b) the lactone of 4-hydroxy-4-(3b -hydroxy-5-androsten-17b -yl) pentanoic acid or of 4-hydroxy-4-(3b -hydroxy-5a -androstane-17b -yl) pentanoic acid or of either of the corresponding butanoic acids by hydrogenating 4-hydroxy-4-(3b -hydroxy-5-androsten-17b -yl) pentinoic acid or the corresponding butanoic acid in the presence of 10% palladium over carbon in tetrahydrofuran or alcohol solution until the requisite amount of hydrogen is absorbed, (c) the 3-acyloxy compounds defined by the general formula above by acylating the corresponding 3-hydroxy compounds, e.g. to form 3-acetates, propionates, valerates, b -phenylpropionates, b -cyclopentylpropionates and hemisuccinates and (d) the 3-keto compounds defined by the general formula above by oxidising the corresponding 3b -hydroxy compound having the double bond, if at all, in the 5:6 position.  Therapeutic compositions useful as nutriuretics contain a steroid lactone of the above general formula and a solid and/or liquid pharmaceutically acceptable carrier. p   4-Hydroxy - 4 - (3b -hydroxy-5-androsten-17b -yl)-T-pentionic and -butinoic acids are prepared by reacting ethynyl magnesium bromide with pregn-5-en-3b -ol-20-one and 17b -formyl-5-androsten-3b -ol-3-acetate to form 20-ethynyl-21-nov-5-pregnene-3b ,20-diol respectively, and reacting the 20-ethynyl compounds with a Grignard reagent and then carboxylating with carbon dioxide.
Patent GB-571978-A (GB)
Title: Tensioning strapping material and holding it in position
IPC: F16L33/14
Filed: 1943-08-25
Abstract: 571,978. Straps. THOMSON, H. A. Aug. 25, 1943, No. 13830. Addition to 557,134. [Class 45] [Also in Group XXV] The slotted link of the tensioning device set forth in the parent Specification is replaced by a slot 4 provided in the strap 0 itself. Two slits may be formed parallel to the slot 4 to provide a bent-up part 3 forming an abutment against which the rolled-up outer end d of strap 0 can rest. The rolling up of the strap is effected by a tool similar to that described in the parent Specification.
Patent GB-573208-A (GB)
Title: Improvements in and relating to thermionic valves and circuits
IPC: H01J7/24
Filed: 1940-09-05
Abstract: 573,208. Electron beam valves ; electric resonators. HARRIES, J. H. O. Sept. 5, 1940, No. 13889. [Classes 39 (i) and 40 (iii)] In a beam valve such as described in Specifications 573,205 and 573,209, the vitreous parts E of the valve are attached to a sub-anode SA which shields the main anode T from the other electrodes within the tube the valve is supported by a brass ring 30, screws on which pass on the underside of the sub-anode, the brass ring being secured to another ring 30a. Carried by this second ring but insulated therefrom by a mica plate and washers 41, 44 is the twopart casing 33, 37, the cover 40 of which is attached to a sleeve 39 outside a tube 12 screwed on the anode T. The sleeve is attached to a nut 47 forming part of an adjusting mechanism 49 for varying the position of the casing part 37, which with the tube 12 forms a shielded concentric line output circuit. The parts 33, 37, 40 and support rings are of silverplated brass. Power is taken out by a loop 15 and a lamp 55 with a loop 54 indicates optimum working. Cooling air passes through the tube 12 over the envelope end and out through orifices 40a in the cover 40. In a modification, the sub-anode SA, Fig. 3, is connected to a copper ring E<1> which has an outer tapered surface on which is driven a copper ring 84 with fins 85 ; a flange 86 on the fins is the means for screwing the valve on to the top 83 of a casing enclosing the lower-intake-part of the valve. The output electrode T is carried from the top of the vitreous envelope part and cooling air enters through orifices 110 to pass out by tubes 111. To an extension 88 of the ring 84 is attached a cylinder 89 which acts as a shield to the leads d<1>, d<2> from the deflection electrodes and to the Lecher wires 92 ; a piston 93 movable within the cylinder 89 serves as the adjustable bridge for the Lecher wires. The signal input loop 103 is carried by an insulating thimble 104. High-speed air for cooling the seals is drawn through tubes 107 to the space between the valve envelope and the cylinder 89, while low-speed air is drawn over the fins 85 and outside the cylinder as shown by arrows 105. A byepass condenser 112 is carried by the cylinder ; the lead-in conductors such as 9 may be connected to this condenser. Two such tubes may be mounted on one casing with piping connecting the tubes for the high-speed air to one motor-driven fan, a second such fan drawing slow-speed air from the casing ; the control handle 95 for the bridge 93 passes out through the casing. A valve with output end as described with reference to Fig. 1 has fins 85, Fig. 6, attached, to the subanode mounting plate 30; cooling air passes into the casing 33, 37 through pipes 121 and is drawn out through the pipe 12 by the fan 117 ; a second fan 119 draws low-speed air through the casing and over the fins 85. Specification 573,207 also is referred to.
Patent GB-306341-A (GB)
Title: Improvements relating to chairs, settees, and similar articles of furniture
IPC: A47C7/70
Filed: 1928-05-11
Abstract: 306,341. Lipman, P., and Williams, A. A. May 11, 1928. Tables combined with seats. - In a combined seat and table, the table-like flaps or tray 2, which may be made wholly or partly of glass, is supported in the horizontal position by a pair of pivoted flaps 9, 10, which, as the part 2 is raised, are moved automatically into the supporting-position, e.g. by springs connecting short arms on their lower pintles.
Patent GB-1536983-A (GB)
Title: Lifting device with safety catch
IPC: B66F11/04
Filed: 1977-04-01
Abstract: 1536983 Lifting device with safety catch E FALCK SCHMIDT AS 1 April 1977 [5 April 1976 19 Oct 1976] 13909/77 Heading B8H A lifting device comprises a frame 1 with an arm 3 pivoted on horizontal shaft 2 for luffing with a platform 4 pivoted on horizontal shaft 5 to the free end of the arm 3 and maintained horizontal, as the arm 3 is luffed, by means not shown. Two ratchet wheels 6 (one only shown) with oppositely directed teeth are mounted on the shaft 5, are firmly attached to the arm 3 and so turn with it about the shaft 5. Arm 9 is fixed to the platform 4 and carries horizontal shaft 8 which, when the platform 4 is horizontal, is vertically above the shaft 5. On the shaft 8 is suspended a freely pivotable twin ratchet 7. As long as the platform 4 is horizontal the ratchet 7 is free of the wheels 6. Should the horizontal control of the platform 4 fail and the platform 4 tilt from the horizontal the shaft 8 is moved from its vertical position above the shaft 5 and the ratchet 7 will engage one or other of the wheels 6 to prevent further tilting of the platform 4. In an alternative embodiment, Fig. 2 (not shown) a twin ratchet (7<SP>1</SP>) is mounted within an encircling gear rim (6<SP>1</SP>).
Patent GB-139205-A (GB)
Abstract: 139,205. Schlaich, H. Feb. 19, 1919, [Convention date]. Lighting burners by electric devices; lighting-torches, non-electric. - An electric sparking - device for igniting a torch for lighting cigars &c. is arranged in the circuit of the ignition-system of the internal-combustion engine of a boat or motor vehicle, the sparking-device being arranged in series with one of the igniters 2, as shown in Fig. 3, or in parallel, as shown in Fig. 4. In one form, a gasoline or other lighting-torch is secured between metal clips 21 attached to or integral with a plate 19 at the back of an annular insulating-member 10 on which two metal strips 9 are mounted and spaced apart, one of the clips 21 acting as a cap for the wick-tube of the torch. A contact-plate 16 formed in one with a pin 14 slidably mounted in a metal piece 15 and in one of the strips 9, is forced normally into contact with the other strip 9 by a spiral spring surrounding the pin 14, thereby completing the circuit. A convex wire gauze screen 22 is held in front of the sparking- device by means of a ring 25 secured by screws to the insulating-member 10, and the strips 9 are connected to the wiring 12, 13 and the metal piece 15 is secured in position by binding-screws 26 and nuts. When lighting the torch, the wicktube is inserted through an aperture in the wire gauze screen so as to press against an extension of the pin 14 so that the contact-plate 16 is forced backwards and a spark passes between the strips 9 and lights the wick. In the form shown in Fig. 4, a sliding conducting-member 33a on a panel 27 is forced in opposition to a spring 37 to within sparking distance of a central contact 32 by means of a preferably hard-rubber torch, thereby producing a spark to ignite the torch, The central contact 32 is connected to the conductor 28 by a nut 33 engaging the insulating- member 29 through which the contact 32 passes. the insulating-member being secured to the panel 27 by a ring 31 and screws. The apparatus is secured by a bracket 39 and clamping-screws 40.
Patent GB-1303382-A (GB)
IPC: H01L23/29
Filed: 1971-05-10
Abstract: 1303382 Semi-conductor device ROBERT BOSCH GmbH 10 May 1971 [3 June 1970] 13965/71 Heading H1K A semi-conductor component comprises a semi-conductor element 3 connected to terminals 1, 2, with a protective polyester-imide vanish 6 on the element 3 and the surfaces of the terminals adjacent the element. The varnish may have a high imide content and be based on terephthalic acid, trimellitic acid, 4,4<SP>1</SP>-diaminodiphenyl methane, glycol and glycerine. The element 3 may be soldered at 4, 5 to copper terminals, and the protected device encapsulated by injection moulding in a synthetic resin compound 7. The varnish 6 may be sprayed on to the element and terminals after being thinned with an organic solvent, which solvent is then allowed to evaporate prior to baking the varnished device first at 110‹ C. and later 250‹ C. to harden the varnish. In an alternative embodiment, one of the terminals may take the form of a metal plate with a raised centre portion contacting the element, The encapsulation 7 may also be of glass, sealed to the terminals.
Patent GB-253124-A (GB)
Title: Improvements in catalytic heating apparatus
IPC: F23D99/00
Filed: 1926-06-03
Abstract: 253,124. Soc. Lyonnaise des Rechauds Catalytiques Soc. Anon. June 8, 1925, [Convention date]. Vapour burners; vaporizing- apparatus; wicks; fuel reservoirs.- In a catalytic combustion heating apparatus, the hollow cylindrical tending wick is made in two parts. The lower wick portion c is sewn to the lower part of a metal gauze tube d and has its slitted lower end sections i, j, k, l pressed by a spring n against a swanskin sheet m arranged on a carded cotton layer q on the bottom of the fuel reservoir. The upper wick portion a is secured removably around the upper portion of the tube d by means of press fasteners b. The tube d is formed with an enlargement e for positioning the upper edge of the wick portion a'and with an inner flange o forming an abutment for the upper end of the spring n. The upper end of the tube d is provided with a cover g which fits on and is attached to a slotted tube h in the fuel reservoir p. The reservoir contains carded cotton r and is provided with a filling aperture s fitted with a perforated tube t. The vapours from the wick pass to the catalysing fabric f through a cone y. A metal ring u is fitted inside the cone to prevent the vapours from reaching the outer portion of the fabric f. The wick is shielded by the cover g against such an excess of heat radiating from the fabric f as would be likely to cause carbonization. The thickness of the fabric f and its compression decrease from the centre to the periphery. At starting spirit is supplied to the cone through an inlet v, some of the spirit being absorbed by an amianthus ring x surrounding the tube h, while the surplus passes through the slots in the tube h and moistens the upper part of the wick.
Patent GB-439565-A (GB)
Title: Improvements in or relating to the manufacture of pneumatic tyres
IPC: B29D30/38
Filed: 1934-05-10
Abstract: 439,565. Feeding and delivering sheets. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, London, WILSHAW, H., SMITH, H., and DAVENPORT, F. A., Fort Dunlop, Birmingham. May 10, 1934, No. 14120. Addition to 390,892, [Group VIII]. [Classes 100 (i) and 100 (ii)] [See also Group XXXIV] In a machine for producing and manipulating bias cut strips to form plies for use in the manufacture of pneumatic tyres, the plies are torn from material 1, Fig. 1, which has been partially cut to form a series of lightly adhering strips, by means of feed devices 4 which are driven faster than the means for advancing the strip and tear the strips as described in the parent Specification, the cut plies being batched continuously in spaced relation in a roll 10 of lining material which is unwound from a roll 6 and passes over a feed roll 8 and carries the material 1 through the feed rollers 4. An electric motor 14 drives by spur gearing 15 a worm shaft 16 from which are driven the feed roll 8, the rollers 4, and driving-rolls 13 for the roll 10. To utilize the plies in the manufacture of tyres, the roll 10 is supported on rolls 27 carried by a pair of bars 24, Fig. 4, and the lining material is passed over guide rolls 36, 37, 38 and is wound up on a spindle 26 also supported on rolls 22 carried by the bars 24. The spindle 26 is driven by reduction gearing from a motor 31 controlled by a footactuated switch, so as to enable the lining to be held stationary while a ply is detached from the vertical part 39 of the lining. The drive of the lining may be controlled by a clutch instead of a switch.
Patent GB-431229-A (GB)
Title: Improvements relating to manhole sections or the like
IPC: E03F5/02
Filed: 1934-05-10
Abstract: 431,229. Manhole linings. TORRING- TON, S., 35, Osterley Avenue, Osterley Park, Middlesex, HUMPHREYS, W. R. S., and BAINBRIGGE, R. H., c/o H. B. Concrete Co., Ltd., Vicarage Road, Egham, Surrey. May 10, 1934, No. 14135. [Class 87 (i)] Blocks or rings for lining manholes are made of reinforced concrete with complementary ton gues A and grooves B Fig. 2, so that super posed rings interlock The tongues and grooves may be triangular, rect angular, or half - rounc in section. In the modi fication shown in Fig. 8 the edges are concave and convex, and in Fig. 10 the edges are shouldered. The rings may be six inches in depth. Reference has been directed by the Comptroller to Specifications 17736/87, 12593/91, and 4091/97, [all in Class 87].
Patent GB-548004-A (GB)
Title: Improvements in or connected with assembly jigs for precision-built structures
IPC: B25B27/00
Filed: 1941-11-04
Abstract: 548,004. Clamps for jigs. SHORT BROS. (ROCHESTER & BEDFORD), Ltd., and HOLE, J. Nov. 4, 1941, No. 14206. [Class 83 (iii)] Clamps for use with jigs having two positioning surfaces 111, 101 at right angles for precision assembly of aircraft parts &c. are pivotally mounted by bolts 17 for swinging aside to facilitate insertion of work and are located in operative position by stops 19. The clamps comprise a resilient strip 14 slotted at 161 to admit a cam 16, pivoted on a bolt secured at the end of the strip, acting on a roller 13 hung by slotted links 15 from the pivot. The one clamping movement applies pressure against both surfaces. A number of the clamps are provided along the length of the jig.