baber/WOPTO huggingface dataset:
Patent GB-543049-A (GB)
Title: Improvements in and relating to automatic pilots for aircraft
IPC: G05D1/04
Filed: 1940-03-15
Abstract: 543,049. Fluid-pressure servomotor-control systems. SPERRY GYROSCOPE CO., Inc. March 15, 1940, No. 4903. Convention date, April 8, 1939. [Class 135] An automatic pilot for aircraft of the general form described in Specification 416,813, [Group XXXIII], is constructed with a directional gyroscope adapted to control the pressure in pipe lines 28, 29 connected to pick-off ports supplied with pressure fluid from a pipe 27, the pipes 28, 29 operating a relay valve 30, Fig. 3, which controls a servomotor 60 connected to the rudder 61, and means responsive to the control signal applied to said relay are provided for automatically banking the craft at the correct angle during a turn. The banking control means comprise ailerons 53 which are operated by a servomotor 62 controlled by a relay valve 15 which is governed in part by a precision-gyroscope or gyro-vertical 2 for the pitch and bank angles. The bank control comprises a semi-cylindrical valve member 4 geared to the gimbal ring 51 of the gyroscope proper 6 and controlling the connection between pick-off tubes 13, 14 and a central supply port 12. The banking signals may be varied by hand manipulation of the chamber 9 surrounding the semi-cylindrical member 4, or automatically in accordance with the direction control signal by means of a bellows device 33 connected to pipes 31, 32 leading from the pipes 28, 29 of the relay valve 30. In addition a second bellows device is controlled by a rate of turn gyroscope 38. The bellows devices operate a gear sector 16 coupled to the gear on the chamber 9, and this sector may be operated by screw-and-nut mechanism under hand control. In Fig. 3 the rudder 61 may be operated by a valve under hand control, or by the joint control of the directional and rate-of-turn gyroscopes as in Specification 515,290, and one bellows 371 may operate under joint control of the direction control and the rate-of-turn gyroscope 38<SP>1</SP>. A further bellows device 331 in this case is controlled in accordance with the speed of the aircraft by means of a wind tunnel 51 connected to the bellows 331 under control of a valve connected to the bellows 37<SP>1</SP>.
Patent GB-472024-A (GB)
Title: Improvements in sheet delivery devices for printing machines
IPC: B65H29/68
Filed: 1937-02-19
Abstract: 472,024. Sheet delivery apparatus. DRESDEN - LEIPZIGER SCHNELLPRESSEN-FABRIK AKT.-GES. Feb. 19, 1937, No. 5009. Convention date, Feb. 21, 1936. [Class 100 (i)] Sheet - delivery apparatus for printing- machines includes a series of slowly-rotating suction discs 6 which engage the rear edge of each sheet and retard its motion, jogging-up fingers 10 being provided between the discs to complete the delivery of the sheet. Suction may be applied to the discs 6 through apertures in their shaft 4 in which case any of the discs can be rendered inoperative, e.g. when dealing with narrow sheets, by sliding the discs axially so that sleeves thereon cover the holes in the shaft. Each disc may, however, have its own suction pipe. The fingers 10 are, in the form shown, oscillated about a shaft 7 by an eccentric 9 on the shaft 4 but may be arranged to have a sliding instead of an oscillatory movement.
Patent GB-167517-A (GB)
Title: Improvements in the method of and in means for securing in position and strengthening sheet metal cover-plates for casings, such as refrigerating chamber insulating casings and the like
IPC: B63B3/68
Filed: 1920-02-19
Abstract: 167,517. Cammell, Laird, & Co., Ltd., Carter, Sir G. J., and Berney, G. Feb. 19, 1920. Seamed joints.-Means for securing in position and strengthening sheet metal cover plates such as refrigerating chamber insulating casings are particularly described as applied to ship work where the casings comprise sheet metal plates combined with the ship's frames. Sheet metal runners A<2> are provided with an attachment web for securing to the deck or bulkhead beams K, and two reversibly disposed grooves for jointing adjacent casing plates B, B', the joints between adjacent plates in the other direction being made by similar runners with reversibly disposed grooves and preferably fitted with a stiffening web. In a modification, alternate casing plates are secured directly to the beams, the plates being bent in some cases to form two reversibly disposed grooves to make the joint in one direction. In another modification the runners and plates are twisted at a, Fig. 1<B>, so as to lock the plates. For jointing side and ceiling plates a continuous runner is bent in the plane of its web which is secured to the deck and bulkhead beams. The invention is stated to be applicable to lagging casings, and the jointing and supporting of cover plates generally.
Patent GB-1484462-A (GB)
Title: Teaching aids
IPC: G09B23/02
Filed: 1975-02-04
Abstract: 1484462 Educational appliances DEFENCE SECRETARY OF STATE FOR 4 Feb 1975 [4 Feb 1974] 5096/74 Heading G5G A teaching aid comprises schematic functional representations of the apparatus it is required to teach, the representations being provided with pre-programmable fault location points, associated with fibre optic light guides, each of which is capable of being interrogated, the aid exhibiting either fault or no fault conditions subsequent to interrogation of a fault location point. As shown, a block diagram showing simulated processing stages 2, 3, 4, 5 is drawn on a mimic sheet mounted on a board provided with a matrix of test fault location points some of which correspond to test points in the form of holes 7, 8, 9, 10 provided in the mimic sheet; a number of such sheets representing different pieces of equipment may be used with a single board. Each fault location point on the board comprises a brass ferrule containing one end of a fibre optic light guide; interrogation is effected by touching a ferrule with an electrically energized probe, whereby a circuit is completed to light a lamp at the other end of the guide. Dual aspect red/green filters are located between the lamp and its associated guide, and interchangeable masks inserted into the light mountings at the back of the board set up a programmed red or green light pattern indicating fault or nofault conditions. Logic circuits associated with each mask record the identity of each test point interrogated, e.g. on to a tape printer or computer, and also provide addresses for random access devices, e.g. a slide projector which is actuated to project slides containing information appropriate to the faults under consideration. The light indications may be supplemented by meter readings and electronic waveform identifications, and the aid may be used in conjunction with photographs and a three dimensional model of the apparatus under consideration.
Patent GB-765262-A (GB)
Title: Improvements in or relating to drafting mechanism for textile machines
IPC: D01H5/56
Filed: 1955-02-21
Abstract: 765,262. Fibre drafting mechanism. SKF KUGELLAGERFABRIKEN GES. Feb. 21, 1955 [April 10, 1954], No. 5124/55. Class 120 (2). A drafting mechanism embodying a top roller carrier arm C pivotably mounted on a bracket B carried by a rod 10 fixed in the machine framework has the bracket C secured by clamping members 16,17 urged into clamping position by tightening means, such as a screw 18. The clamping members 16,17 engage between the rod 10 and parts 162, of the bracket B which are formed by the inturning of parts, such as 30, of the bracket. In order that the carrier arm C may pivot, it is carried by a bolt 12 and is provided with a hook 14 capable of engagement under a nose 111 of the bracket B to hold the arm in operative position. Specification 735,036 is referred to.
Patent GB-1150471-A (GB)
Title: Improvements in or relating to Machine Tools
Inventor: FOXALL GERALD GAISFORD
IPC: B23Q5/20
Filed: 1966-02-05
Abstract: 1,150,471. Multi-spindle lathes. B.S.A: TOOLS Ltd. 24 April, 1967 [5 Feb., 1966], No. 5150/66. Heading B3T. In a multi-spindle lathe having a main drive motor for the spindles 2, there is provided at least one variable speed motor 10, independent of the main motor, which is movable, directly or indirectly, into and out of driving engagement with one or more of the spindles and each spindle has means whereby it can be connected to and disconnected from the main drive so that one or more of the spindles may be rotated independently of the remaining spindles. The or each independent motor 10 is movable on slides 13 for engagement via pinions 11, 12 with a gear 9 on each respective spindle 2, tachometer means 16 co-operating with an electrical interlocking system controlling the motor speed to ensure clean engagement between the gears. Each spindle is normally driven from a main gear 1 through a spindle gear 3 which is journalled on a clutch outer member 4 on which it rotates through the medium of an overrunning spragg clutch 5. From the clutch outer member 4 a slow speed drive is transmitted to the spindle whenever clutch members 4 and 6 are engaged. When the independent motor is in driving engagement with the spindle via the gear 9 the spindle may be driven at a higher speed than that from the main drive facilitated by the overrunning clutch 5. A spindle brake 7, 8 is provided on each spindle. An independent motor may be adapted to drive one or a pair of the spindles or alternatively two or more motors may be provided to permit several or all of the spindles to be driven at different rotational speed to one another. The motors may be electrically or fluid operated.
Patent GB-231639-A (GB)
Title: Improvements in or relating to control mechanism of gear boxes
IPC: F16H61/02
Filed: 1924-02-28
Abstract: 231,639. Joseph, F. A. Feb. 28, 1924. Controlling variable-speed gearing for motor vehicles. Hand selector mechanism o is employed for obtaining any of the gear ratios other than the through drive, and selector mechanism comprising a single member 4 operated by foot, for effecting a change from any such handselected gear ratio to the through drive, or vice versa. The gearing described is of the epicyclic type in which the hand-selected gear ratios are obtained by holding a sun gear g, Fig. 1, against rotation and selectively operating clutches n<1>, n<2> sliding on a driven shaft d, as described in Specification 221,996. The sliding clutches engage sun gears g<1>, g<2>, g<3> driven at different speeds by stepped planet gears f, f<1>, f<2>, f<3> carried by the driving fly-wheel a and rolling round on the held gear g, thereby clutching the driven shaft d to such rotary sun gear. At any time the pedal lever 4, Fig. 2, may be depressed, thereby releasing the brake t, freeing the gear g, and disconnecting the drive. The brake is operated by a sliding doubly-inclined member 3. Further depression of the pedal connects the throughdriving plate clutch 3. The hand selector lever o moves in a gate G on a ball p transversely through a fixed locking gapped member p<1>.
Patent GB-127356-A (GB)
Title: Improvements in or relating to Steering Gear for Ships and Vessels.
Inventor: MINORSKY NICOLAI
IPC: G05D1/02
Filed: 1918-03-23
Abstract: 127,356. Minorsky, N. March 23, 1918. Steering-gear.-Comprises an automatic steering device responsive to both the positional and dynamical angular elements of motion of the vessel to be steered. Fig. 1 shows in plan view the whole of the steering device. The embodiment of the invention consists of three main parts. (1) A compass 11 and its follow-up motor 12, controlling mechanism 13 and compass motor 14, (2) A gyrometer 15 and its follow-up motor 16, controlling mechanism 17 and gyrometer motor 18. (3) The differential gear 19 which combines the movements of the motors 14 and 18 and transmits them to a member 20 which may be connected to the helm in any known way. The motor 12 follows the movements of an auxiliary or operating card 23 which magnifies the deviations registered by the compass card. The controlling mechanisms 13 and 17 consist of slide blocks with appropriate connexions. Means are also provided in connexion with the controlling mechanism 13 for returning automatically the parts to the normal or neutral position when the ship fails to respond to her helm or the deviation to one side or other exceeds the predetermined maximum. The compass and gyrometer may be of any desired construction.
Patent GB-621717-A (GB)
Title: Improvements in or relating to household kitchen machines
IPC: A47J43/08
Filed: 1947-02-21
Abstract: 621,717. Motor driving arrangements. HUBMANN, P. Feb. 21, 1947, No. 5213. Convention date, Feb. 22, 1946. [Class 35] A number of domestic machines are mounted on a turret rotatable about a pedestal carrying a fixed motor, and the selected machine is brought into driving relationship with the motor by angular movement of the turret. As shown, the motor 10, with gear-wheels 11, 12, 13 and 14 are carried by the pedestal 1 and its extension 2, while all the machines to be driven are carried by the turret 7 which is moved angularly to bring the appropriate gear 8 into mesh with gear 14. To facilitate this engagement, the turret can be raised against pressure of the spring 16.
Patent GB-648755-A (GB)
Title: Electric cooking set
IPC: F24C13/00
Filed: 1948-02-10
Abstract: 648,755. Electric cookers. FEKETEY, A. F. Feb. 10, 1948, No. 5254/47. [Class 39(iii) [Also in Group XVII] A cooker comprises a frame with a heat reflector 1A, which may be part of the frame or built in separately or removable for reversal, and a removable sheathed electric heating element 2 mounted on the frame within the focus of the reflector so that neither the heater 2 nor its support passes through the reflector; and air gaps extend between dishes in the cooker and the frame walls, which absorb heat from the heater. A thermostat or switch is attached at 1B to the frame, which is of porcelain, glass or metal. The reflector is of metal-coated fireproof glass or porcelain. The sheathed heater 2 is attached to a flange 3A with a plug 3 for ready removal. Openings 2B in the base of the frame and adjustable openings 5, 30 in the sides of the frame allow ventilation. Dishes are supported at different distances from the heater on detachable apertured plates 7-11, which may be subdivided in interlocking flat rings. The top of the heater may be closed by interengaging rings 12-16, some of which may be removed to allow insertion of dishes with flanged top edges to rest on the remaining rings. In Fig. 4, the top of the heater may be in two sections 22A, 22B mounted to pivot on hinges 22D so that the sections may swing horizontally apart to give access to the sheathed heater 31 for contact cooking by placing a dish on the heater, or for inspection or cooking of dishes supported by the sections. An apertured tray 33 attached to section 22A swings out therewith. The reflector is placed above or below the heater, and the base of the frame carries a water vessel with an immersion heater 24.
Patent GB-120844-A (GB)
Title: Improvements in or relating to Springs.
Inventor: COWEY LEONARD EUGENE
IPC: F16F3/02
Filed: 1918-03-26
Abstract: 120,844. Cowey, L. E. March 26, 1918. Centrifugal speed indicators.-An elliptic spring for use in a speedometer of the type described in Specification 109,160 is formed of two pairs A and B of resilient strips secured together at C. The pairs of strips differ in strength 'and are without original set.
Patent GB-525321-A (GB)
Title: Improvements in or relating to embossing, perforating and indenting presses
IPC: B21D35/00
Filed: 1939-02-17
Abstract: 525,321. Embossing presses. CLIFTON, E., RAMSDEN, C., and JONES, CLIFTON, & CO., Ltd., W. Feb. 17, 1939, No. 53.66. [Class 100 (ii)] A hand-operated press for embossing, perforating, indenting comprises a pivoted lever i connected by a rod o preferably a curved rod to the die a which .is normally raised by a spring m. The invention is applicable to the press set forth in Specification 521,745.
Patent GB-740102-A (GB)
Title: Combined disconnecting switch means and fuse protection means for a branch from an electric high tension overhead line
IPC: H01H9/10
Filed: 1954-02-25
Abstract: 740,102. Fusible cut-outs. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Feb. 25, 1954 [March 18, 1953], No. 5539/54. Class 38 (1). [Also in Group XXXVII] Each fuse 11 of a combined pole-mounted airbreak switch and fuse assembly (see Group XXXVII) is carried between spring arms 12 mounted on the insulators 15 carrying the moving switch contacts 14. When the fuse blows, the arms 12 spring apart to give an indication visible from the ground.
Patent GB-140888-A (GB)
Title: Improvements in revolving cylinder engines
IPC: F02B75/04
Filed: 1919-03-06
Abstract: 140,888. Mutti, L., and Damblanc, L. March 6, 1919. Cranks, variable and adjustable throw.-In a revolving-cylinder engine the stroke of the piston is varied by adjusting the position of the crankpin. In the construction shown in Fig. 1, a crank-pin b is slotted vertically and shdes over a pin d carried by a web on a shaft g. A vertical movement is imparted to the pin b by an eccentric f housed in a member a. The eccentric is actuated by hand or by an auxiliary motor. A modified construction is described, in which a cylindrical crank-pin is mounted eccentrically upon a pin d, the adjustment of the pin being effected by an endless chain.
Patent GB-165148-A (GB)
Title: Improvements in mounts for photographs
IPC: A47G1/14
Filed: 1920-02-24
Abstract: 165,148. Planck, C. H. Feb. 24, 1920. Drawings to Specification. Photograph mounts are formed as outline representations of a human figure or part of a human figure, cut or stamped out of sheet material, the head being represented on a larger scale than the body and left blank so that a photograph can be affixed to it. The dimensions of the body are reduced symmetrically from the neck to the feet, so that the length from the neck to the feet is approximately the same or less than the length of the head. The figure thus formed is made to stand erect by means of a base block or strut. Specifications 18241/13 and 115,967 are referred to.
Patent GB-1001396-A (GB)
Title: Process for the removal of iron from iron containing chrome ore
Inventor: BACON FREDERIC EVANDER
IPC: C22B1/02
Filed: 1964-02-11
Abstract: Chrome ore has its iron content reduced and magnesia content increased by heating with hydrated magnesium chloride at 800-1400 DEG C. for a time sufficient to decompose the magnesium chloride and volatilize off the formed iron chlorides and convert the magnesium content to magnesia.  The product can be used to form refractory bricks.
Patent GB-1025963-A (GB)
Title: Improvements in or relating to the heat sealing of sheets of thermoplastic resin
Inventor: BARZANO GIOVANNI
IPC: B29C65/02
Filed: 1963-02-12
Abstract: 1,025,963. Seaming non-metallic sheet material. PIRELLI PLAST S.p.A. Feb. 12, 1963, No. 5603/63. Heading B5K. Extruded sheets of thermoplastic resin are heat sealed together along overlapped edges parallel to the direction in which extrusion is taking place, by imparting molecular orientation to the sheets by stretching the sheets both in said direction and in a direction normal thereto, and forming by heat sealing a sealing line having a continuous, non-rectilinear path. A tarpaulin 1 is formed by sealing together sheets 2, 3 overlapping at edges 4, 5. The sealing line 6 is in the form of a zig-zag line having rectilinear segments 7, 8 inclined at 45 degrees to the edges 4, 5 and connected at 9 by an arc of a circle having a very small radius. Weakened zones 10, 10<SP>1</SP> are formed on both sides of the line 6. Alternatively, a sinusoidal sealing line may be formed. A number of sealing lines may be provided either identical with or different from one another and disposed near one another. The sheets 2, 3 may be sealed by being continuously conveyed to an electrically-heated metal sealing wheel provided with a shaped projection to form the line 6. Alternatively, the sheets 2, 3 may be conveyed intermittently to a heated reciprocating plate having a suitably-shaped sealing projection. The sheets 2, 3 may be polyvinyl chloride, polystyrene, polyethylene or polypropylene.
Patent GB-730073-A (GB)
Title: A chair convertible into a cot
IPC: A47C17/24
Filed: 1953-03-02
Abstract: 730,073. Convertible chairs. MONTROSE, K. D. March 2, 1954 [March 2, 1953], No. 5712/53. Classes 52 (2) and 52 (3). A nursing chair convertible into a cot comprises a seat portion 4 hinged to the front of the chair frame 1, a footboard 8 hinged to the free end of the seat portion and detachable side rails 9 which may be of the " drop side " type, or may hinge down. A handle 5 on the seat portion provides means for hinging the seat out. In a modification, the hinged foot-board is replaced by a detachable cot end having legs reaching the floor. In a further modification, a drawer in the front of the chair pulls out to receive a loose seat portion to form a continuous base with the chair frame for a mattress. The frame 1 may have one or more drawers.
Patent GB-158156-A (GB)
Title: An improved method of preparing metallic alloys and of refining metals and alloys
IPC: C22C1/02
Filed: 1920-02-25
Abstract: 158,156. Hall, H. C., and Rolls-Royce, Ltd. Feb. 25, 1920. Drawings to Specification, Alloys; dry processes of refining metals and alloys.-A metal to be added to a molten metal bath for the purpose of making an alloy or of cleansing, refining, or killing the molten metal or alloy, is introduced into the bath in a granulated and oil-coated condition. A mixture of 60 parts of aluminium, 30 parts of zinc, and 10 parts of magnesium may be added in that condition to a bath of aluminium or other metal
Patent GB-525447-A (GB)
Title: Improvements in or relating to electrically heated vulcanizers
IPC: B29C35/00
Filed: 1939-02-21
Abstract: 525,447. Electric vulcanizers, DILL MANUFACTURING CO. Feb. 21, 1939, No. 5769. Convention date, Feb. 23, 1938. [Class 39 (iii)] A hollow casting 11 is provided with an extended rib 12 carrying a circular vulcanizing table 15 recessed to receive a cushion 16 of soft rubber. The casting is secured to a supporting surface by lugs 17, and the rear and under-sides of the hollow rectangular space are closed by an L-shaped plate 18. An arm 24 is hinged at 22 and is adjusted by a thumb-screw 27a against a spring 28. A plate 29 is employed in the position shown, for vulcanizing plain rubber patches to inflatable articles, or may be rotated out of position around the axis of the screw 27a, leaving the forked end 24c of the arm 24 in position for vulcanizing the rubber base of a valve stem. A transformer 30 is mounted in the casting 11 and its secondary is connected to one end of the heating resistance of a unit such as that described in Specification 471,649, which is placed on the cushion 16. The circuit is completed through the casing of the unit and the arm 24 back to the transformer secondary. A similar circuit including the arm 24 is employed without the transformer if current is obtained from a battery. A modification is described, Figs. 6, 9 (not shown), in which the arm 24 and transformer housing are formed of sheet metal stampings. When a battery is used, the terminals are connected to the heating resistance and to the hinged arm.