baber/WOPTO huggingface dataset:
Patent GB-1425296-A (GB)
Title: Bed particularly for hospitals
IPC: A61G7/015
Filed: 1974-01-29
Abstract: 1425296 Adjustable hospital beds SOC PROVENCALE DE FABRICATIONS MEDICOCHIRURGICALES SPOMC 29 Jan 1974 [30 Jan 1973] 04002/74 Heading A4J A hospital bed comprises a mattress support frame B adjustably mounted on a base frame A by two pairs of independently inflatable cushions 13a, 13b and 14a, 14b disposed between the support frame and the base frame, head and leg supporting members 7 being pivotally connected to the central part 5 of the support frame and each being adjustable about its pivotal connection 6 by a least one inflatable cushion 9 disposed between a plate 8 rigid with the support member 7 and a plate 10 rigid with the support frame B. Each cushion 9 may be replaced by two side by side interconnected cushions. The base frame A may be supported on four independently adjustable telescopic legs 27, 30. In a second embodiment, the two legs (5, 6) Figs. 6-12 (not shown) which are disposed on the longitudinal centre line of the bed are pivotally connected to the base frame about transverse axis and the two legs (5, 7) which are disposed on the transverse centre line are hinged to the base frame for movement through 90 degrees about longitudinal axes such that rollers (70) which are mounted on axles extending laterally of the legs (5, 7) may be brought into contact with the ground. A bed-pan or other equipment may be disposed beneath the central part which is provided with an opening. The base frame may comprise two shells 25, 26 secured together by connectors 47 having an H-shape cross-section. In the second embodiment base frame comprises. two longitudinal box members (51), (52) which are spaced apart by a horizontal base (53), endpieces having a U-shape horizontal cross-section being disposed at the head and foot ends of the horizontal base.
Patent GB-450922-A (GB)
Title: Improvements relating to landing and take-off gear for aircraft
IPC: B64C35/00
Filed: 1936-02-10
Abstract: 450,922. Aeroplane landing gear. BEADON, R. R. Ó C., The Glen, Valley des Vaux, St. Helier, Jersey, Channel Islands. Feb. 10, 1936, No. 4087. [Class 4] An aeroplane is provided forward of its centre of gravity with one pair of running wheels which are either eccentric with respect to their axis of rotation, Fig. 1, or are of elliptical shape, Fig. 2, and are adapted to raise and lower the forward end only of the aeroplane when running along the ground.
Patent GB-736240-A (GB)
Title: Improvements relating to electric motor control systems
Inventor: DOLAN HARRY
IPC: B66B1/06
Filed: 1953-02-13
Abstract: 736,240. Control of A.C. motors. ENGLISH ELECTRIC CO., Ltd. Feb. 12, 1954 [Feb. 13, 1953], No. 4107/53. Class 38 (3). The stator of a three-phase induction motor 10 driving a winder is adapted to be supplied from source 11 through forward or reverse contactors F, R, the rotor resistance 12 of the motor being so controlled by contactors 13 that a predetermined rate of acceleration is obtained for a specified payload. The motor is dynamically braked by disconnecting the stator from the source 11 and connecting it, by means of contactor B, to direct-current sources 14, 15, the voltages of which are respectively constant and variable in accordance with rotor current. The change to braking operation is effected by relay 16 energized through cam-operated switches 18 or 19 according to the direction of the wind. The closure of contactor B also energizes a timing device 20 for operating the contactors 13 in sequence at predetermined time intervals. The payload is measured during the full-speed run of the winder by means of a torque motor 21 having its armature temporarily connected to current transformer 23 and its field winding connected to source 17 in parallel with brake solenoid 26. The torque motor drives discs 27, 28 in opposite directions and is normally held against rotation by brake 32 which is released by brake solenoid 26 against the effect of weight 33. The discs are freely mounted on a shaft 31 driven by the winder and are both biased to the position shown by means of a tension spring 35 adjusted so that its torque balances that of the motor 21 at zero payload. The switches 18, 19 are mounted on discs 27, 28, and are operated by cam 36 keyed to the shaft 31. If a reverse winding operation is instituted with the cams in the positions shown, the cam-face 37 first operates switch 19 but braking is not introduced, due to the opening of interlock F1. Temporary energization of the torque motor causes the switches 18, 19 to be moved circumferentially with respect to cam 36 by an amount dependent on the payload, so that the switch 18 is operated later in the wind with an increased payload and the winder is still brought to a safe speed by the time the landing-position is reached. On a forward wind, the switch 18 is rendered ineffective by the interlock contacts R1 and braking is initiated by switch 19 in a similar manner.
Patent GB-429053-A (GB)
Title: Improvements in or relating to wire stitching or stapling machines
IPC: B42B4/00
Filed: 1934-02-08
Abstract: 429,053. Stapling and wire-stitching machines. BAILEY, J. T. P., and THRISSELL ENGINEERING CO., Ltd., Thrissell Street, Bristol. Feb. 8, 1934, No. 4170. [Class 89 (iii)] A wire-feeding mechanism, for stapling and wire-stitching machines, comprises a feed box 2 having a grooved bottom 8 to receive the wire 1 and a cover member 9 which forms an acute angle with the bottom, diverging in the direction of the wire feed. A roller 10 within the box is biassed by an adjustable spring 11 so that it locks the wire to the box during the feeding stroke of the latter, and moves into the widened part of the box during the return stroke. The box is reciprocated in a guide 3 by a crank arm 4 adjustably secured to a crank disc 6. In a modification, the guide 3 is curved and the crank arm operates on a pivoted lever connected to the box 2.
Patent GB-607800-A (GB)
Title: Improvements in and relating to means for reducing the transfer of heat in shafts
IPC: F04D29/58
Filed: 1946-02-11
Abstract: 607,800. Shafts. MACHINEFABRIEK GEB. STORK & CO. N.V. Feb. 11, 1946, No. 4256. Convention date, July 27, 1944. [Class 80 (ii)] The driving shaft 7, 1 of a fan 2 operating in hot gases is formed with two discs 4, 6 connected by pin-like members 5 near their peripheries and has means to promote a flow of cooling air between the discs. The means may consist of radial vanes 9 and holes 10 in the disc 6, or the members 5 may form small radial vanes and the cooling air be admitted through a hollow bore of the driving shaft 7.
Patent GB-178976-A (GB)
Title: An improved dimming device for use in connection with electric lamps for motor vehicles and for other purposes
IPC: H01C10/12
Filed: 1921-02-07
Abstract: 178,976. Brott, Ltd., and Holt, W. Feb. 7, 1921. Lighting systems. - In dimming - devices for electric lamps of the type in which a number of carbon bodies with means for adjusting the pressure between them are adapted to be switched into or out of the lamp circuit, the switch is entirely independent of the means for adjusting the pressure and is arranged to switch in or to short-circuit the resistance without breaking the lamp circuit. As shown, carbon discs 1 are mounted on a screw bolt 6 and insulated therefrom by a sleeve 2. Metal end plates 3 on the sleeve contact with the carbon discs and are joined to terminals 4 by flexible leads 5. A travelling nut 9 engages one end of the screw bolt, and between this nut and one end plate a coiled spring 10 is disposed. The pressure applied to the carbon discs is regulated by engaging the screwdriver slot 7 in the head of the bolt. The terminals 4 are connected by spring blades 11 through a bar switch 12 constructed half of conducting material and half of insulating material. An additional switch is provided for breaking the lamp circuit when required. According to the Provisional Specification, the switch may comprise two rods in alignment normally short-circuiting the resistance when in contact, and when drawn apart switching the resistance into circuit.
Patent GB-580003-A (GB)
Title: Improvements relating to the construction and operation of triggered spark gaps
IPC: H01T2/02
Filed: 1942-04-01
Abstract: 580,003. Spark-gaps. BRITISH THOMSON-HOUSTON CO., Ltd., WILKINSON, K. J. R., and SCOTT, T. H. April 1, 1942, No. 4378. [Class 39 (i)] In a triggered spark-gap means are provided for producing ionization in the region of the trigger electrode immediately prior to the application of the triggering pulse thereto. The means may be an auxiliary spark produced between a starting electrode and the trigger electrode. In the form shown in Fig. 1 (Comp.), the hemispherical main electrodes 1, 3 are supported within an insulating sheath 8. The trigger electrode 2 projects into an aperturein electrode 3 and the pointed end of the starting electrode 4 is in close proximity to the stem of electrode 2. A disc 9 carries contacts 10. A disc 12 carries the electrode 1, which may be adjusted to the correct gap by screwed stem 14. An outer casing 11 encloses discs 9, 12. Holes 16 provide for cooling gas. In the space behind electrodes 2, 3 and 4 are arranged a condenser C and resistance R, arranged in the circuit shown in the Fig. 1 (Prov.). The triggering pulse is applied, by transformer T, between the starting electrode 4 and main electrode 3. When the ionizing spark has passed, this charges condenser C and applies a pulse to the trigger electrode 2, to start the main spark. Condenser C is shunted by leak resistance R. A resistance R1 limits the current in the auxiliary spark. The uncertainty in the onset of the spark may thus be reduced to less than 0.01 microseconds.
Patent GB-695942-A (GB)
Title: Improvements in valves or taps
IPC: F16K43/00
Filed: 1949-02-18
Abstract: 695,942. Valve accessories. YOUNG, W. E. May 16, 1950 [Feb. 18, 1949] No. 4419/49. Class 135 In a tap having a body 3, Fig. 1, with an inlet 3b and an outlet 3c, a block 7 carrying closure members 6 in openings 7a is movable in a chamber 8 to align either member with the actuating spindle 1 and a seat 3a. When the washer 6a of one member is worn, the spindle is retracted and the block is moved to align the other member which is then seated by the spindle. Removable plugs 12, 13 allow access for replacing worn members and the block is moved by a pinion 10, Fig. 2, fixed on a spindle 11 and engaging a rack 9 on the block. The spindle protrudes from the body for operation by a handwheel or lever. The block may be circular and rotatable about an axis displaced from the spindle 1.
Patent GB-979836-A (GB)
Title: Improvements in or relating to prestressed composite steel and reinforced concrete structures
IPC: E04B5/23
Filed: 1961-02-07
Abstract: 979,836. Steel and reinforced concrete structures; bridges A. BIRGUER. Feb. 7, 1961 [Feb. 15, 1960; Dec. 5, 1960], No. 4487/61. Headings E1G and E1V. A composite steel and reinforced concrete structure comprises a reinforced concrete bedplate 5, Fig. 1, the reinforcement 10 of which is given an initial tension, after which the bedplate 5 is united to the metal part 1 of the structure by means of high tensile bolts 9, the reinforcement 10 then being further tensioned. The bed-plate 5 can be formed separately from the metal part 1, or can be cast in situ thereon. In the floor construction shown in Fig. 1, the bed-plates 5 rest upon the lower flanges of an I-sectioned steel girder 1. Concrete plates 2 are secured to the upper flanges of the girder 1 by high tensile bolts 3 and are formed with embedded tubes 4 of plastics for the passage of cables 14 for transversely prestressing the cast concrete floor decking 11. The cables 14 are partially tensioned one or two days after casting the concrete 11 and are fully tensioned ten to twelve days later. The floor is covered with flooring 15. In a bridge structure, shown in transverse section in Fig. 6, the reinforced concrete bed plates 19 are mounted internally on the bottom of channel shaped sections 18 which extend longitudinally of the bridge. The upper slab 16 of the bridge is prestressed by transverse reinforcements 17. The sections 18 are reinforced by internal struts and are connected by concrete partitions 24 which are prestressed by rods or cables 24. The composite structure forming the bridge rests at its ends on armoured concrete gantries 28, 29, Fig. 4.
Patent GB-693419-A (GB)
Title: Tooth setting device for saw blades
IPC: B23D63/00
Filed: 1952-02-20
Abstract: 693,419. Saws, setting. HEDMAN & PALSSON AKTIEBOLAG. Feb. 20, 1952 [Feb. 22, 1951], No. 4501/52. Class 145 (ii). A saw setting tool has setting wheels 6 and attached gear wheels 7, the latter enmeshing to couple the two assemblies, the wheels being pivoted for rotation on pivots 14 carried by straight bars 4 pivoted at 5. A wedge shaped member 11 and its adjusting screw 1, provide the setting pressure on the saw which slides in the groove shown with the back edge sliding on the end of an adjustable rod (not shown). The spring 9 opens the setting wheels when the screw 1 is released.
Patent GB-266365-A (GB)
Title: A mould for the manufacture of an artificial stone
IPC: B28B7/34
Filed: 1927-02-17
Abstract: 266,365. Aerni, V. Feb. 20, 1926, [Convention date]. Moulds.-A mould for artificial stone comprises a metal frame, the lower surface of which is formed of polished glass pressed upon a level seating on the frame by springs. Fig. 1 shows one construction in which a sheet c of glass is pressed against a level surface on the underside of the metal frame a by means of blade springs d turnable about screws e which form feet for the mould. In other forms the moulds are made with several division plates f or without any. Glass rods or mouldings may be used in the moulds to form ornamental edges on the slabs.
Patent GB-1168062-A (GB)
Title: Biocidal Composition
IPC: B27K3/50
Filed: 1968-01-29
Abstract: 1,168,062. Biocidal emulsion containing pentachlorophenol and wax. MOBIL OIL CORP. 29 Jan., 1968 [28 March, 1967], No. 4526/68. Heading A5E. A biocidal composition comprises an "oilin-water" wax emulsion containing pentachlorophenol in the wax phase and an amine salt of a fatty acid as emulsifying agent. The wax is preferably a paraffin wax and the emulsifying agent, which is suitably formed in situ may be the triethanolamine soap of stearic acid or N-octadecyl 1,3-propylene diamine acetate. Optionally an aromatic solvent for the pentachlorophenol may be present. Other biocides also may be included, e.g. chlorinated hydrocarbons, thiocyanates, organic phosphorus compounds, pyrethrins, rotenone and piperonyl butoxide. The compositions find application in the protection of cellulosic materials such as wood, paper, cotton and press board.
Patent GB-850669-A (GB)
Title: Improvements in machines for twisting air-screw blades
IPC: B21D53/88
Filed: 1958-02-12
Abstract: 850,669. Twisting airscrew blades. STARKIE GARDENER Ltd., J., and SAUNDERS, F. S. May 11, 1959 [Feb. 12, 1958], No. 4590/58. Class 83 (4). A machine for twisting airscrew blades comprises three heads for receiving a blade, one holding the root end of the blade and the other two clamping it at selected points of its length, one of these two having its clamping means arranged for turning by hydraulic power in relation to those of the other. A head I to hold the root R of a blade B is movable, on rollers 14, along a girder 10 and carries, on pivots 37, two jaws 36, 35 each supporting a V-face 40 between rollers 42, 44. The jaws 36, 35 are closed on the blade root by an hydraulic ram 47 against the action of springs 38. A head II movable, on rollers 15, a short distance, e.g. six inches, along the girder 10 by hydraulic rams 16, has an upper clamping-jaw 17 pivoted to a lower jaw and closed thereon by a ram 18, being locked in this position by a pin moved by a small hydraulic ram. A head III, secured against longitudinal movement on a base 20, has an upper jaw 21 carrying a row of hydraulic pistons 22, each fitted with a self-aligning pad, each pad in turn being fitted with two independent self-aligning pads of concave shape. The jaw 21 is pivoted at 25 to a lower jaw 24, which may also be fitted with self-aligning pads, to which it is locked by a pin 26, the jaw 21 being raised and lowered by a ram 27. The head III is part-rotatable in a part-circular channel 30 in the base 20 by double-acting hydraulic cylinder means 31, 32. The jaw of the head II may have hydraulic pistons 22 and self-aligning pads similar to those on the jaw 21 of the head III. In operation the head I is moved along to a position dependent on the length of the blade B and the head II is set at a distance, e.g. six or twelve inches, from the head III. The blade B is then inserted in the heads, the jaws of which then close on it, and the head III is rotated to twist that part of the blade between the heads II and III. The jaws of the heads II and III are then released and the head I moved along to position the next section of the blade between the heads II and III. Specification 547,684 is referred to.
Patent GB-750464-A (GB)
Title: Door locks
Inventor: HASELER ARTHUR CEDRIC
IPC: E05B17/00
Filed: 1954-02-18
Abstract: 750,464. Barrel locks. WILMOT-BREEDEN, Ltd. Dec. 1, 1954 [Feb. 18, 1954], No. 4760/54. Class 44. In a door lock of the key-operated, rotary barrel type, a slippable coupling or like device interconnects the barrel and the associated part to be actuated. As shown, the lock barrel is formed with a spindle extension 8 on which is mounted an arm 9 through which rotation of the barrel is transmitted to a door fastening (not shown). The arm 9 is formed with a transverse notch 10 normally held in engagement with a peg 11 and the spindle 8 by a spring 12, to permit slip between the spindle 8 and the arm 9 when excessive turning effort is applied to the key of the lock.
Patent GB-542346-A (GB)
Title: Improvements in and relating to shoes and boots
IPC: A43B13/28
Filed: 1941-04-10
Abstract: 542,346. Boots &c. DAVISON, C. H., and NORVIC SHOE CO., Ltd. April 10, 1941, No. 4797. [Class 17 (ii)] A strip 12 of fabric is sewn or otherwise secured to the lower margin of the shoe upper of a rubber-soled shoe to form the lasting allowance, being covered in the finished shoe by crepe rubber runner 13 secured by adhesive.
Patent GB-175894-A (GB)
Title: Improvements in and relating to removable handle mechanisms for brushes or brooms
IPC: B25G3/04
Filed: 1921-02-11
Abstract: 175,894. Prestwich, W., and Prestwich, E. Feb. 11, 1921. Holders with clamping-devices for brushes.- Removable means for securing handles to brushes comprise a channel-shaped frame 3 provided with upstanding edges 4, 5 with which co-operate oppositely-arranged securing-bars 6, 7 formed with downwardly extending members 8, 9 bent at the ends to engage beneath opposite sides of the brush. The bars 6, 7 are locked in position by a plate 11, through which passes a bolt 12 secured to the frame 3 and carrying a ring nut 15. An extension 10 of the plate 11 serves to connect the handle 19 to the brush by means of a metal strip 17 which surrounds the handle, the ends of the strip passing through a slot in the plate 10 and being bent back round the edges of the plate. A screw 20 is employed to secure the strip to the handle, and screws may be passed through the parts 8, 9 into the brush. When applied to a brush having a rounded head, the frame 23, provided with upstanding edges 25, is curved to fit the brush and bent at 24 to engage with the edge thereof. The similarly curved handle holder 26 is secured in position by a nut 33 and bolt 30 which passes through the brush and is held therein by a plate 31 having a prong 32 which prevents displacement of the plate 31.
Patent GB-750842-A (GB)
Title: Improvements in and relating to electric circuit interrupters of the liquid blast type
IPC: H01H33/75
Filed: 1954-02-19
Abstract: 750,842. Oil-break switches. GENERAL ELECTRIC CO. Feb. 19,1954 [Feb. 20, 1953], No. 5011/54. Class 38(5) In an arc control device, for an oil-filled circuit-breaker, comprising a casing 4 housing fixed and moving contacts 20, 21 and mounted on a conductor 1, the arc is drawn out, on separation of the contacts, through a stack of insulating baffle plates apertured to form a central arc passage 27 and an offset blast duct 32 communicating by vents with the passage 27. A barrier plate c divides the stack into upper and lower chambers 28, 29, the passage 27 being of smaller diameter in the lower chamber. In the upper chamber, slots in the plates define supplementary, divergent, arc passages 40, 41, Fig. 2, terminating in vents 42 and in the lower chamber similar passages 30, 31, terminating in vents 34 are provided, but of small dimensions. The enlarged parts of the supplementary passages retain the arc within the stack. In operation, a heavy current arc will generate internal pressure in the chamber 28, which is relieved immediately by the vents 42 so that the arc can extinguish itself before the contact 21 has passed the barrier plate c. In the case of medium and low current arcs which generate lower pressures the arc will be drawn down into the lower chamber (if it has-not been extinguished by influx of oil through vents 42 caused by the movement of contact 21), where it will be subjected to a crossblast of oil driven down the duct 32 by the pressure generated in the upper chamber 28, and which will drive the arc into the passages 30, 31 and elongate it about the plate c. To ensure that the arc will be favourably positioned for extinction, arcing tips 23 in alignment with the supplementary arcing passages are provided on the fixed contact. These tips lie in slots 37 in the upper baffle plate. In a modification (Fig. 7, not shown), the bore of the central arc passage is smaller in the upper chamber than the lower one. Specifications 193,136 [Class 38(v)] and 696,161 are referred to.
Patent GB-491298-A (GB)
Title: Improvements in or relating to landing gear for aircraft
IPC: B64C25/00
Filed: 1938-02-17
Abstract: 491,298. Aircraft alighting gear. MERCIER, P. E. Feb. 17, 1938, No. 5012. Convention date, April 1, 1937. [Class 4] In an aircraft having two vertical fins disposed at the ends of the tail plane a ground supporting member such as a tail skid, tail wheel, or runner is provided within each fin and in front of the elastic axis of the tail plane. In this position the mass of the landing gear is effective in preventing tail unit flutter. A tail plane 1 provided with elevators 2 carries at each end a vertical fin 3 to which is hinged arudder 4, the fins constituting fairings for the rear wheels. A forward centrally disposed wheel 8 is carried by a link 9 pivoted to a-steerable member 10 and to a shock-absorber 11. A fairing 12 may constitute a rudder as deseribed in Specification 482,080.