baber/WOPTO huggingface dataset:
Patent GB-848897-A (GB)
Title: Swing door
IPC: E06B3/80
Filed: 1957-03-08
Abstract: 848,897. Doors. ZARGES, W. March 8,1957 [March 16, 1956], No. 7803/57. Class 20(3) [Also in Group XXV] An industrial type swing door composed of a yieldable part and a rigid part is characterised in that the yieldable part consists of an inner core portion which is of greater resilience than an outer cover portion. A door leaf, Figs 1, 2, comprises a mattress of coil springs 1 and rubber cover sheets 2, 3, elastic sealing strips 4, 6 being secured to the edges of the door. Pivots 8, secured to the door by retaining means, are mounted in bearings 9, at least the upper pivot being irremovable. In a modification the coil springs are replaced by a number of vertically-spaced leaf or laminated springs arranged in a rigid U-section frame mounted by the usual type of swing door hinge. The springs, which can be interconnected along the. free edge of the door by a bar or leaf spring, are covered at each side of the door by rubber sheeting. A view window, consisting of one or two transparent and. elastic sheets of synthetic material, may be incorporated in the door. One of the rubber sheets is preferably made larger than the other so that the projecting edges of the larger sheet act as sealing strips. In a further modification leaf springs are secured within a frame having a wide U-section stile adjacent the hinge side in which leaf springs are secured. Alternatively coil springs with rubber sheets and sealing strips, can be used. In another embodiment foam rubber is sandwiched between two sheets of rubber. If it is desired to improve the elasticity of the door U-section frames 30, Fig. 8, are secured to the upper and lower edges of the door their free ends being connected by means of a curved frame member 31 between which and an adjacent U-section frame member 32 are secured leaf springs 33 and rubber sheeting 34 having their ends connected to a U-section stile. Coil springs may be used instead of leaf springs. Fig. 10 shows an arrangement wherein rigid plates 45 of metal, or synthetic plastic material, are clamped between vertically spaced leaf or laminated springs 43 the gaps between superposed plates being bridged by corrugated rubber elements. In the embodiment shown in Figs. 12, 13 bumper panels are provided which are pivoted at 50, 51 to each side of an ordinary hinged door 47 each panel, comprising a frame 52, coil springs 53, and rubber sheets 54, being linked by an arm 55 or 56 to a vertically slidable member 59 which carries a spring-loaded securing pin 63 so that impact, e.g. by a truck, on either of the panels causes the pin 63 to be raised out of a socket 65 in the ground. The pin 63, engaging the floor during its swinging movement, has a braking action on the door. A door unlocking device of this kind may be used with the other examples of the embodiment.
Patent GB-625957-A (GB)
Title: Improvements relating to electric switchgear
IPC: H01H31/28
Filed: 1947-03-21
Abstract: 625,957. Air-break switches. SWITCHG EAR & EQUIPMENT, Ltd., OXLEY, D. A. J., BERGMANN, O. O. F., and OXLEY, A. G. H. March 21, 1947, Nos. 7840/47, 24882/47 and 10891/48. [Class 38(v)] Operating mechanism for an HT. isolating switch has interlocking means to prevent swing- ing movement of the contact arm until twisting movement to release the contacts is completed, the whole operating mechanism being completely enclosed in a casing in which the contact arm can twist, and with which it can swing. The contact arm A carries two oval ring-contacts (Fig. 2, not shown) to engage with fixed contact clips, and is rotatable in a bearing H' in the pivoted mechanism-housing H, and a pivoted sleeve F<SP>2</SP> therein. The operating shaft D<SP>1</SP> is rotatable in a bearing I in a forked support B by crank E<SP>5</SP>, connecting rod E<SP>4</SP> and crank E' mounted on the head E<SP>2</SP> of a rotary operating insulator. The shaft D<SP>1</SP> is also rigidly connected to a stubshaft D<SP>2</SP> by a ring F<SP>1</SP> carrying two ballended arms F<SP>5</SP> engaging between forks F<SP>4</SP> on a ring F<SP>3</SP> fixed to the contact arm A. The ring F<SP>3</SP> also carries two projections F<SP>6</SP> engaging in L- shaped slots G<SP>1</SP> in a stationary cupshaped member G, whereby during initial rotation of the ring F<SP>3</SP> by the arms F<SP>5</SP>, the shaft A twists, and is prevented from swinging until the projections F<SP>6</SP> reach the corner of the L-shaped slot. Thereafter the ring F<SP>3</SP> and shaft A are prevented from twisting, and swing bodily with the housing H, which is pivoted on parts I, G<SP>3</SP>. The slotted member G is held against rotation by an arm G<SP>4</SP> carrying a resilient link G 5  between two screws G<SP>6</SP> on the baseplate to adjust the limits of travel of the contact arm. In another form, Figs. 9, 10, the shaft D' drives the arm A through bevel-gearsectors M<SP>1</SP>, M<SP>4</SP> and interlocking is provided by a strut R pivoted to the housing at R<SP>1</SP>, and carrying a roller R<SP>2</SP> which is initailly held against the end N<SP>4</SP> of a stationary sector N by the face M<SP>5</SP> of a sector M on the operating shaft, to prevent the housing from swinging. When the sector M engages the stop P to swing the housing, the roller passes to the end of the sector M<SP>4</SP> where it is held by the stationary sector-face M<SP>5</SP> to prevent twisting during the swinging movement, which is limited by a resilient stop Q engaging a part N<SP>3</SP> of the stationary sector. The Specification states that interlocking may alternatively be provided by a semi-circular cam on the shaft A co-operating with the stationary sector, and the operating shaft may alternatively be driven by a bevel gear on the operating insulator passing through a slot in the housing and meshing with the sector M'.
Patent GB-260155-A (GB)
Title: Improvements in or relating to starting devices for internal combustion engines
IPC: F02N99/00
Filed: 1926-03-22
Abstract: 260,155. Knorr Bremse Akt.-Ges., and Kollinek, T. March 22, 1926. Turning-gear.-In a starting-device driven by compressed air, a clutch member 3 sliding on the engine crank-shaft 1 is placed in engagement with a member 2 by a lever 6 actuated by a rod 8 resiliently connected with a hand-actuated pressure knob 9, and power is transmitted to the clutch from a piston 16, Fig. 3, separately controlled by valves. As shown compressed air from a reservoir 19 is supplied to the cylinder 17 of the starter through a shutoff valve 22, a three-way cock 23, and a pressurereducing valve 24. The piston 16 is connected by a link 15 to a toothed segment 14, which drives the clutch member 3 through pinions 13, 11 on a shaft 12 and a pinion 4 integral with the member 3. On turning the cock 23 to the open position shown, the cylinder 17 is connected to the atmosphere and the piston 16 and segment 14 are returned by a spring 18.
Patent GB-895416-A (GB)
Title: Improved ring-type welds
IPC: B23K20/00
Filed: 1959-04-10
Abstract: 895,416. Welding by pressure. AEROPROJECTS Inc. April 10, 1959 [June 3, 1958], No. 7869/61. Divided out of 895,413. Class 83 (4). A ring-type weld between juxtaposed metal members essentially lacks a cast structure and the members which have a highly disturbed interfacial region corresponding to the weld are externally deformed by the weld to an extent of less than 10%. A ring type weld is effected between two aluminium alloy sheets using the ultrasonic apparatus described with reference to Figs. 1 and 2 of Specification 895,413 and a discontinuous ring type weld as shown in Fig. 3 is produced by an annular tip having shallow notches as described with reference to Fig. 8 of Specification 895,413. The metal cap 94, Fig. 4, of a transistor 90 is welded to the base 96 of another metal using the apparatus described with reference to Figs. 1, 2, 13, 14 and 15 of Specification 895,413. It is stated that the weld may be used to encapsulate medical and surgical items. External deformation is the change in dimensions of the weld zone expressed as a percentage of the aggregate thickness of the weld members prior to welding.
Patent GB-190401-A (GB)
Title: Improvements in or relating to internal combustion engines
IPC: F02B75/26
Filed: 1922-03-17
Abstract: 190,401. Almen, J. O. March 17, 1922. Valves.-In an engine with cylinders parallel to crank shaft and swash plate driving-gear, and in which a pair of rotary valves are mounted eccentrically on the crank shaft, the eccentric 20 on which the valves 14 are mounted are so arranged that the moments due to the centrifugal forces caused by the rotation of the valves counteract the moments due to the inertia of the reciprocating parts. The valves are formed with a series of inlet ports 30 and a corresponding series of exhaust ports, and are fitted with sparking- plugs 35. Valve gear.-In the seven-cylinder engine described, the valves are driven at one-sixth speed in the opposite direction to the crank shaft by means of gearing 17, 21.
Patent GB-190071-A (GB)
Title: Improvements in change speed mechanism
IPC: F16H3/08
Filed: 1922-03-17
Abstract: 190,071. Farley, J. March 17, 1922. Variable-speed epicyclic gearing comprises stepped planet gears 12, 14. 16 rolling upon a fixed internally-toothed gear 44 and meshing respectively with sun gears 20, 21 adapted to be driven selectively and with a sun gear 31 adapted to be clutched to a driving-shaft 3. The gears 20, 21 slide freely on a driven shaft 4 in line with the shaft 3 and are arranged between two discs 1, 2 secured to the shaft 4. A clutch sleeve 29 sliding on a squared part of the shaft 3 can be slid into engagement with a clutch face 27 upon the disc 1 for a direct drive. The gearing is then at rest, the discs 1, 2 turning freely inside rings 5, 6 which carry the planet gears. For geared drives, the sleeve 29 is slid so as to engage a clutch face 30 upon the gear 31. The planet elements then roll on the gear 44 and the central gears 20, 21 are driven at different speeds, which can be communicated to the shaft 4 by sliding the gear required into clutch engagement with the disc 1 or the disc 2. Reversed driving is effected by sliding a gear 40 on feathers 41 on the shaft 4 into mesh with idlers meshing with additional planet gears 17. The gears 20, 21 are slid together by way of a sliding ring 52. By omitting the wheels 14, 20, a two-speed gear is obtained.
Patent GB-109765-A (GB)
Title: Improvements in Fire or like Hose.
Inventor: MELLERSH-JACKSON WILLIAM JOHN
IPC: B29D23/00
Filed: 1917-06-01
Abstract: 109,765. Jackson, W. J. Mellersh-, (Fabric Fire Hose Co.). June 1, 1917. Flexible pipes.-A fire or like hose which is destined to lie for long periods in a flat state is made up of an outer casing 1 of fabric and a smaller inner tube 4 of elastic material reinforced round both parts which form folds when the hose is flattened and along one flat side with fabric 3. When the inner tube 4 is expanded by internal pressure, the stretching is obtained from the non- strengthened part 6 of the tube, and this causes the folds of the tube 4 then to contact with a part of the casing 1 which did not form a fold therein when flat. The part 6 of the tube 4 may be made thicker than the elastic material forming the rest of the tube. The tube 4 may be free of the casing 1, or be attached thereto along a strip.
Patent GB-853635-A (GB)
Title: Improvements in or relating to the manufacture of addition compounds of 5-nitrofurfuraldehyde semicarbazone
IPC: C07D307/76
Filed: 1957-03-11
Abstract: The invention comprises the 1:1 molar adduct of 4:6-dimethyl-2-hydroxy-pyrimidine and 5-nitrofurfuraldehyde and the preparation thereof by mixing an excess of the pyrimidine derivative with the semicarbazone in an inert solvent such as methanol, benzene or dimethylsulphoxide.ALSO:An anticocicidial composition comprises chicken food together with the 1:1-molar adduct of 4:6-dimethyl-2-hydroxypyrimidine and 5-introfurfuraldehyde semicarbazone.
Patent GB-451368-A (GB)
Title: Improvements in coin controlled amusement apparatus
IPC: G07F17/32
Filed: 1935-03-15
Abstract: 451,368. Coin-freed amusement apparatus. BRECKNELL, MUNRO, & ROGERS (1928), Ltd., Pennywell Road, Bristol, and HAWTIN, F., 19, Argyle Road, Blackpool. March 15, 1935, No. 7997. [Class 27] In a coin-controlled amusement apparatus of the type comprising a plurality of wheels that may be set into motion on the insertion of a coin or coins, prizes being given if the wheels stop in certain positions, the wheels 1, 2, 3, Fig. 1, as they rotate light successively a series of lamps that illuminate, for. example, representations of playing cards, the prizes being delivered when certain combinations of cards are illuminated in the stopping positions of the wheels. Each wheel has a number of conducting segments 4, 14, 15, 16, 17, 18, Fig. 2, spaced at varying distances from the centre and engaged, as the wheel rotates, by brushes 8 ..... 12 of a fixed bank 7 of brushes. One brush 13 of the bank rubs against a slip ring 6 in electrical contact through the disc with the segments. The brushes 8 .... 12 are insulated from the bank 7 and electrically connected to lamps, the brush 13 being connected to one terminal of a source of electric supply, the other terminal of which is connected to the lamps. The lamps are disposed behind windows bearing representations of playing cards.
Patent GB-1309619-A (GB)
Title: Devices for determining the speed of a rotating disc
IPC: G01P3/488
Filed: 1972-02-22
Abstract: 1309619 Measuring speed electrically SOC ANON AUTOMOBILES CITROEN 22 Feb 1972 [4 March 1971] 8021/72 Heading GIN An arrangement for measuring the speed of a rotating member, e.g. one associated with a vehicle wheel, comprises a rotary disc 1 with apertures 2 disposed at equal angular pitch distances p around the disc, and a pick-up member comprising a magnet 3 so arranged as to provide two flux gaps at 6a and 6b respectively, the distance between 6a and 6b being an odd number of half pitches (as shown 1¢p), each gap being associated with a winding. The two windings are series connected and the signal developed thereby is shaped amplified, and passed to an indicating or control circuit, Fig.4 (not shown), the frequency of this signal being indicative of speed.
Patent GB-556069-A (GB)
Title: Improvements in or relating to training means for gunnery, observation and identification purposes
IPC: F41G3/26
Filed: 1941-06-26
Abstract: 556,069. Optical-projection apparatus ; warfare, teaching. CROFTS (ENGINEERS), Ltd., CROFT, A., and SOUTHORN, P. N. June 26, 1941, No. 8037. [Class 97 (i)] [Also in Group XXI] To provide training in observation &c. of aircraft, land vehicles, marine craft &c. and for gunnery training, an image of a three-dimensional model is optically projected on to a screen by an apparatus enabling the image to be moved enlarged &c. at will by an operator; for gunnery training a spotlight projector may also be operated in the manner of a gun. Fig. 1 shows a projector casing 2 mounted on a pedestal 16 so that it may be moved in azimuth by a motor 18 and in elevation by a motor 19 and gearing 20. A three-dimensional model 5 of an aeroplane &c. is illuminated by one or more lamps 22, reflectors 23 and condensers 24, and its image is projected by an axially-movable variable-focus lens 25. The model 5 is carried by a ball joint 8, Fig. 3, on a spindle 6 rotatable by a motor 7, and may be tilted about fore-and-aft and transverse axes by connections 10, 13 respectively to sleeves 11, 14 movable along the spindle 6 by levers and Bowden connections 12, 15. The lens 25 may be moved axially by a motor 26 to vary the image size, and its focus is varied by a cam 27 engaged by a roller 29 on lever 28 during the movements ; cams 9a on the spindle 6 control switches 9 in the circuit of the motor 26. Control is effected by means of a control column 31 resembling that of an aircraft. A main switch 34 thereon controls the circuits of the lamps 22 and motor 18. Fore and aft movements of the column 35 operate the connection 15 to tilt the model correspondingly, and also close the circuit for the motor 19, to cause the image to climb across the screen or to dive. Rotation of the column 35 closes the circuit of the motor 7, thus turning the spindle 6 and causing the aircraft image to change to a front or rear view of the craft; the motor 26 appropriately comes into action to enlarge or diminish the image. Pedal accelerators 32 control the speed of the operations through rheostats. The projection screen may have a spherical silvered or white matt surface centred in the projector. Fig. 4 shows a spotlight projector which may be mounted in a "Link" trainer in the manner of a gun and be provided with the usual sights and a firing button controlling the lamp circuit. It may comprise a filament lamp 40, a collective lens 41 adjacent a small aperture 42, and mirrors 44, 45 successively reflecting the beam until it emerges through imaging lens 46 ; variation in the size of the light spot on the screen may be effected by adjustment of the position of the mirror 44. A modification of the image projector is described in which the lens 25 has a vertical axis and the beam is directed from the vertical by an inclined mirror rotatable about horizontal and vertical axes.
Patent GB-990634-A (GB)
Title: Stabilisation of polyisocyanates
Inventor: FRANCE HAROLD
IPC: C08G18/70
Filed: 1961-03-06
Abstract: Polyisocyanates are stabilized by incorporating therein a zinc salt of an acid selected from the group of thio acids consisting of thio- and dithiophosphoric acids of the formula <FORM:0990634/C2/1> thiophosphinic and dithiophosphinic acids of the formula <FORM:0990634/C2/2> and thio- and dithio-carbamic acids of the formula <FORM:0990634/C2/3> wherein X represents sulphur or oxygen and wherein (a) R and R1 represent hydrocarbon radicals which may be the same or different and may be unsubstituted or substituted (e.g. by methoxy groups) or (b) R and R1 together form an alkylene group, optionally containing a hetero atom (e.g. oxygen or sulphur), which together with the remainder of the thio acid molecule will form a ring structure containing 4 to 8 atoms in the ring, or (c) R represents an hydrocarbon radical and R1 represents a group of the formula (-A-T)nR, wherein A represents a bifunctional alkylene or arylene radical or an alkylene radical interrupted by hetero atoms (e.g. oxygen or sulphur), T is the residue of the thio acid concerned after removal of the groups R and R1, and n is a positive integer. The stabilizer is preferably employed in quantities ranging from 0.002% to 5% by weight of the polyisocyanate.  Specified polyisocyanates include hexamethylene, phenylene, tolylene, diphenylmethane, chlorophenylene, naphthylene, 3 - methyldiphenylmethane, diphenylether and dichlohexylmethane diisocyanates; 4,41 - diisocyanato - 3,31 - dimethyl - diphenyl; 2,4,6-triisocyanatotoluene, 2,4,41 - triisocyanatodiphenyl ether; reaction products of an excess of a diisocyanate with polyhydric alcohols such as trimethylolpropane; uretedione and isocyanurate polymers of tolylene diisocyanates and polyisocyanate compositions obtained by phosgenation of the mixed polyamine reaction products of formaldehyde and a mixture of aromatic amines such as aniline and ortho-toluidine. The polyisocyanates may be subsequently converted to polyurethanes. Specifications 990,631 and 990,632 are referred to.
Patent GB-703860-A (GB)
Title: Improvements in disc brakes
IPC: F16D55/228
Filed: 1951-04-07
Abstract: 703,860. Disc brakes. DUNLOP RUBBER CO., Ltd., and BUTLER, H. J. Feb. 25, 1952 [April 7, 1951], No. 8114/51. Class 103(1) A spot type disc brake having hand operable means comprising a cable actuated lever 17, pivoted at 18, and arranged to press against a rod 15 that urges a friction pad 4 against the disc 1, is provided with automatic wear adjustment means between the lever 17 and the rod 15 which acts to keep the pad 4 in contact with the disc. As shown in Figs. 1 and 2, in which the invention is applied to a disc brake of the type described in Specification 688,382, wherein pads on each side of the disc may be simultaneously urged into engagement therewith by fluid pressure, the hand operable mechanism is applied to the intermediate of three circumferentially spaced cylinders, the wear adjustment means comprising a wedge member 19 which is under constant inward force by a coiled helical spring member fitting into a groove in the outer edge of the member. In an alternative construction shown in Fig. 4, the adjustment means comprises a snail cam 29 adapted to be turned by a clock type spring 30. In a further construction, shown in Fig. 5, a face cam 31 is rotatably fitted to a peg 32 on the end of the lever and also urged rotatably by a clock type spring 33.
Patent GB-372030-A (GB)
Title: Improvements in or relating to flue dampers
IPC: F23L13/00
Filed: 1931-03-17
Abstract: 372,030. Stove dampers. O'BRIEN, THOMAS, & CO., Ltd. and HARROP, A. P., Effingham .Works, Thames Street, Rotherham. March 17, 1931, No. 8128. [Class 126.] In a combination grate or kitchen range in which the passage of hot gases from a flue 10 to a chimney or to a flue leading to an oven or the like i controlled by two dampers 15, 16 pivoted on a common axis 17, there is provided a single cranked operating rod 20 which opens one damper when turned through 90‹ in one direction and the other damper when turned through 90‹ in the opposite direction. Both dampers are adapted to close by gravity and the arrangement is such that their fully open positions correspond to the two dead-centre positions of the cranked portion 23 of the rod 20. Operative connection between the crank 23 and the dampers is effected by a bent arm 24 secured to a damper 15 and a projection 29 on a plate 28 attached to the damper 16. The edge 26 of the crank 23 and the edge 27 of the arm 24 are both flat so that the engagement of these surfaces will hold the damper 15 in the open position as shown in Fig. 2.
Patent GB-753881-A (GB)
Title: Device for the quantitative measuring of flowing media
IPC: G01F3/20
Filed: 1954-03-19
Abstract: 753,881. Fuel-consumption meters. PLATZER, H. March 19, 1954 [March 23, 1953], No. 8128/54. Class 7(3) [Also in Group XXIX] A fuelconsumption meter comprises chambers 2, 3 which are divided by diaphragms 4, 4a into two compartments, valves controlling the inlet and outlet of fluid to and from the compartments of one chamber being controlled by the diaphragm of the other chamber. Means are provided which retard the motion of each diaphragm from an end to the mid position and assist the motion of the diaphragm from its mid to an end position. As shown in Fig. 1 control rods 5, 6 are connected to the diaphragms 4 4a and have levers 29, 30 mounted thereon by a pin and slot connection, one end of each lever 'being pivoted on a fixed bracket 31. The other end of each - lever may be connected by a spring 33 to a lever capable of limited movement and co-operating with contacts connected to an electric counting mechanism. During the movement of the diaphragm from their end to mid positions the springs 33 are tensioned, after which the levers 29, 30 exceed their mid positions and the springs assist the movement of the diaphragms. Fluid is admitted through an inlet 7 and through a valve 17 or 18 to a compartment 2a or 2b of chamber 2, or through a valve. 19 or 20 to a compartment 3a or 3b of chamber 3. Fluid exhausted from the compartments passes through valves 21, 22, 23, 24 to an outlet 12. Valves 17, 18, 21, 22 associated with chamber 2 are controlled from the control rod 6, and valves 19, 20, 23, 24 of chamber 3 are controlled from the control rod 5. In the embodiment shown in Fig. 3 the valves 17, 18, 21, 22 of chamber 2 are actuated by tappet rods controlled by levers 43, 44 which are pivotally carried in -brackets 26a and coupled to the control rod 5 of the diaphragm 4a associated with the other chamber. The free ends of the levers 43, 44 are connected by springs 33 which exercise a retarding and accelerating action on the associateddiaphragm. The rod 5 drives, through a rack and pinion, a fuel gauge 53.