baber/WOPTO huggingface dataset:
Patent GB-291942-A (GB)
Title: Improvements in differential mechanism
IPC: F16D41/22
Filed: 1927-05-23
Abstract: 291,942. Lewis, F. M. May 23, 1927. Differential gearing comprises two positive clutches which normally drive so that either is disengaged automatically to allow over-running, and means to disengage either or both of the clutches manually. The application to a tractor is described. A master wheel 33, Fig. 1, driven as shown in Fig. 10, carries fixedly a spider comprising radial cam arms 42 united at the centre in a floating ring 40. Fig. 2. The wheel 33 is carried on a loose revoluble casing 29 which embraces and supports clutch members 36, 37 fast on axle parts 24, 25, which may be medially supported on a thrust ball 39. The members 36, 37 may be the side gears of the usual differential. The driving clutch members are floating rings 44. 45 which have cam recesses 46 by which they are drivingly thrust 'apart by the driving spider arms 42. The face teeth of the rings 44, 45 are so angled that when a driven member 36 or 37 over-runs, the driving ring is cammed inwards out of engagement against springs 49, Fig. 2, while a pin-and-slot 50<a>, Fig. 5, prevents the opposite cam face 47 of recess 46 from becoming operative. Such opposite faces are operative for reversed driving. There is less lost motion than in the arrangement described in Specification 261,146. Manual disengagement is effected by two spring-separated thrust spiders 52, Figs. 1, 5, and 8. These have dogs 54 which engage shoulders 56 on the driving-rings 44, 45 and operate to thrust the ring positively out of engagement, as shown in F'ig. 5, in case of ring 44. This axial thrust is generated by the turning of two cam rings 64, Figs. 1, 5 and 9, relatively to fixed cam rings 61. This has been done by a pull in a rod 69, Fig. 5, exerted against a spring 71. In Fig. 13 is shown means by which the tractor when, say, ploughing, may be turned sharply round on one disconnected wheel as pivot. Steering shaft 83 has been turned to the left so that clutch rod 69 on the left is pulled, disconnecting the left wheel, while the right wheel keeps on driving. The single wheel which is driven may be raised off the ground and used as n power take-off, in which there is not the doubling of speed which the usual differential gear yields. Both ground wheels may be simultaneously disconnected and power may then be readily taken off from a pulley 77, Fig. 10, on an extension of the propeller shaft 35, which is driven through a change-speed gear. An arrangement with two hand-levers for disengaging the driving-clutch rings independently for this purpose is described.
Patent GB-1269181-A (GB)
Title: Effervescent compositions
IPC: A23L2/40
Filed: 1970-03-23
Abstract: 1,269,181. Effervescent compositions. MONSANTO CO. 23 March, 1970 [24 March, 1969], No. 13838/70. Heading A5B. Effervescent compositions comprise glutaric acid and a carbonic acid salt (which together with an acid is capable of providing an effervescent composition), e.g. sodium bicarbonate. The composition may also contain a flavouring agent, a medicament (e.g. aspirin), sweetener, colouring agent and/or a bulking agent. The composition may be in the form of a tablet or in an envelope.
Patent GB-1041543-A (GB)
Title: Metallurgical converter
IPC: C21C5/44
Filed: 1963-04-08
Abstract: 1,041,543. Metallurgical converters. KONINKLIJKE NEDERLANDSCHE HOOGOVENS EN STAALFABRIKEN N.V. April 8, 1963 [April 10, 1962], No. 13878/63. Heading F4B. A converter comprises a metal shell with a lining of refracotry bricks, said lining having a cylindrical part 8, a bottom 9 and a conical part 10 narrowing towards an eccentrically placed mouth, the join between the cylindrical and conical parts, at least in the region of the plane of the drawing, being angular (i.e. not rounded). A pouring spout 6 is provided. The axes 4 and 5 of the cylindrical and conical parts respectively are parallel. The converter can be tilted about pivots 7.
Patent GB-579706-A (GB)
Title: Improvements in or relating to four-stroke cycle internal combustion engines employing sleeve valves and crank case compression of the charge
IPC: F01L7/04
Filed: 1944-07-20
Abstract: 579,706. Four-stroke engines. JACK & HEINTZ RESEARCH CORPORATION. July 20, 1944, No. 13934. Convention date, May 8, 1943. [Classes 7 (ii) and 7 (vi)] In a four-stroke engine the cylinders have exhaust ports at their head ends, and inlet ports at their crank case ends for admitting the charge previously compressed in the crank case, both sets of ports being controlled by a sleeve valve rotated by a ring gear. Fig. 1 shows a twin-cylinder double-acting engine in which the admission of combustible mixture from a carburetter or air from the atmosphere, in the case of an engine operating by liquid fuel injection, is controlled by a port 20 in a crank disc 19. The cranks are arranged so that the pistons simultaneously compress the charge and, after compression, the charge passes alternately to the two cylinders by transfer passages 24 and ports 8 controlled by the sleeve valves which also control the exhaust ports 7. The valves are rotated in opposite directions by worm gearing from the crankshaft, transverse shafts 10, 11 and ring gears 9. The timing is arranged so that ignition takes place alternately in the 2 cylinders. In the modification shown in Fig. 4 the sleeve valves control pairs of inlet ports 110, 111, which are connected by outside transfer passages and they are rotated in opposite directions from the single shaft 140 by the interposition of one, and two, idle pinions respectively. The volume of the crank case is reduced by bearing blocks 135, 136, and crank disc 133 has a port 134 controlling the admission of combustible mixture from carburetter 132. In a low speed engine this control is exercised by a resilient disc. An electric generator may be attached by bolts 137. The cylinder head 145 extends into the cylinder and is sealed by rings 146, and an improved combustion chamber which may be spherical is thereby formed. The igniter or fuel injection device being preferably arranged at the centre. The two cylinders may be arranged side by side provided that the two pistons move in unison to effect double compression on the charge in the crank case. In a multi-cylinder engine pairs of cylinders with pistons moving in unison have isolated portions of the crank case. A multi-cylinder engine may comprise one of the following types-in line, V, or radial.
Patent GB-1442736-A (GB)
Title: Workpiece clamps
IPC: B25B5/06
Filed: 1974-03-29
Abstract: 1442736 Workpiece clamping W R ANDREWS 26 March 1975 [29 March 1974] 13952/74 Heading B3B A clamp comprises a base 1 on which a workpiece 2 is placed, an elongate clamp bar 9 spaced from and extending substantially parallel to the base, means 5 for guiding and retaining the clamp bar 9 for longitudinal movement spaced from the base so that a clamp bolt 38 can overlie the workpiece 2, a handle 13 pivotally mounted about an axis normal to the longitudinal direction of the clamp bar, a first roller 16 mounted on the handle to be rotatable about said axis, a second roller 21 mounted on the handle and making peripheral contact with the first roller 16 and the base 1, a third roller 22 mounted on the handle and making peripheral contact with the first roller 16 and the underside of the clamp bar on the side of the guiding and retaining means 5 opposite to the clamping end, and a pivot means 35, 36 about which the clamp bar 9 rocks to clamp the workpiece 2 when the handle 13 is pivoted. The clamp bar can be manually moved longitudinally or, as shown, the initial movement of the handle 13 acts through a link 26 pivoted by a pin 27 to the handle to advance the clamp bar. Also attached to the link 26 is a cam rod 31 which acts on a pivot plunger 35 so that when the clamp bar is fully advanced, continued movement of the handle drives the plunger 35 into a pivot groove 36 to form the pivot means for the clamp bar 9.
Patent GB-632714-A (GB)
Title: Improvements in or relating to nozzles with cut-off devices
IPC: B05B1/32
Filed: 1947-05-24
Abstract: 632,714. Spray-producers. BURNAM, T. W. May 23, 1947, No. 13954. Convention date, May 24, 1946. [Class 69 (iii)] A nozzle, more particularly for fire sprinkler systems, of the type described in Specification 632,713 is provided with an actuating member having a flanged head 16 arranged to occupy a position substantially in the centre of the water chamber behind the orifices 9 when in the open position so as to divide and equalize the stream of water flowing to the jets with the object of improving the spray resulting from the impingement of the jets.
Patent GB-110000-A (GB)
Title: Improvements in Implements or Devices for use in Gardening Operations.
Inventor: OLDROYD JOHN PHILLIPS
IPC: A01G1/12
Filed: 1916-10-02
Abstract: 110,000. Oldroyd, J. P. Oct. 2, 1916. Tongs.-A gardening-implement for use in picking up or destroying weeds, slugs, &c., is shaped somewhat like the head of a duck or other bird, as shown in alternative forms in Figs. 1 and 3. The members 1, 2 are pivoted together at 3 at the head end, one or both members being enlarged to form the head, adapted to be grasped in the hand. The jaws are toothless and trough-shaped and adapted to penetrate the soil. Lateral strength is given by an interior flange 2a, Fig. 1, or by semicircular bearing flanges 4, Fig. 3. In the form shown in Fig. 3, the jaws are pressed apart by a spring 6, the ends 7 of the members serving as abutment stops. A rounded projection 8 guides and supports the jaws when closed. A further form is shown in which the hinge 3 is of ordinary form and situated in closer proximity to the abutment ends 7, the flanges 4 being dispensed with.
Patent GB-1351060-A (GB)
Title: Process for producing alpha-anthraquinone sulphonates with low mercury content
IPC: C07C309/38
Filed: 1972-03-24
Abstract: 1351060 Purification of anthraquinone sulphonic acids and salts thereof SUMITOMO CHEMICAL CO Ltd 24 March 1972 [27 March 1971] 13996/72 Heading C2C Alpha-anthraquinone sulphonic acids or their salts contaminated with mercury or a mercury compound are purified by treating an aqueous solution of the acid or salt, at a temperature at which the acid or salt remains in solution, with a thiosulphate to convert the mercury or mercury compound to mercury sulphide, filtering to remove the resulting precipitate, and recovering, if necessary after salting out, an alpha - anthraquinone sulphonate from the filtrate. The examples relate to the purification of anthraquinone-1,5-disulphonic acid and its sodium salt, anthraquinone- 1,8-disulphonic acid and anthraquinone-1-sulphonic acid.
Patent GB-775367-A (GB)
Title: Improvements in or relating to fork and like trucks
Inventor: ARNOT ALFRED ERWIN REGINALD
IPC: B66F9/12
Filed: 1954-05-13
Abstract: 775,367. Lift trucks. SHARP, J. R., and KAYE, E. May 10, 1955 [May 13, 1954], No. 14100/54. Class 78 (3). In a masted lift truck the fork or other workengaging member 23 is attached to a plate 41 which is secured to a shaft 43 and is rotatable on a plate 37 by a double-acting hydraulic thrustor 50, the piston-rod 51 of which carries a rack 54 meshing with a pinion 44 secured to shaft 43. Plate 37 is rigidly attached to a pair of arms 36 which are pivoted to carriage 20 about the axis of the upper guide rollers 21, and a further thrustor 60 is connected between the plate 37 and the carriage to tilt the fork upwardly. The feed lines to thrustor 50 are provided with flow restriction valves to prevent an out-of-centre load taking control. Specification 774,482 is referred to.
Patent GB-720327-A (GB)
Title: Ball bearing thrust races
IPC: F16C19/56
Filed: 1952-06-04
Abstract: 720,327. Ball bearings. NATIONAL RESEARCH COUNCIL. June 4, 1952 [Dec. 6, 1951], No. 14115/52. Class 12 (1). A thrust bearing assembly for a shaft 10, operating at a constant predetermined axial thrust T and constant speed, comprises a main bearing 18 and a locating bearing 19. The bearings comprise balls 23, 24 engaging races 21, 22 on a fixed member 20 and races 16, 17 on members 14, 15 respectively secured to the shaft 10. The angles #, #<SP>1</SP> which radial lines through the points of contact make with the bearing axis are such that the axial thrust component due to the centrifugal force of the balls 23 in the main bearing balances the combined applied axial thrust T and the thrust due to the centrifugal force of the balls 24 in the locating bearing. Preferably the balls 23 in the main bearing are heavier than the balls 24 in the locating bearing, and #<SP>1</SP> is greater than #.
Patent GB-900872-A (GB)
Title: Improvements in or relating to refrigerator cabinets
IPC: F25D23/08
Filed: 1961-04-19
Abstract: 900,872. Refrigerators. GENERAL MOTORS CORPORATION. April 19, 1961 [April 21, 1960], No. 14128/61. Class 29. A sheet metal shell forming the top and side walls of a refrigerator cabinet extends forwardly at 31 round the door opening, is bent inwardly at 32, then back on itself to form a rounded shoulder 34, then diagonally at 33, rearwardly at 36 to form a double thickness, inwardly at 37 and back on itself at 41, and finally rearwardly then inwardly at 42 and 43 respectively to define an inwardly facing U-channel. A non- metallic strip 27 connects the part 41 with the inner liner 24 and the door 12 is provided with a resilient gasket 13 which includes a permanent magnet 14. A machinery compartment is located at the bottom of the cabinet and is closed by a front panel 16 (Fig. 5) which is sound insulated and kept in place by a bayonet fastener 17. A plate 56 having a flange 57 is secured to the bottom of the liner 24 and a rigid metal double thickness plate 58 is welded at its ends to the parts 41 and 42 of the cabinet shell on each side of the cabinet. The plate 58 is flanged inwardly at 59 and secured by screws 63 to a non-metallic corner gusset 61 which is attached to the plate 56 by screws 62. The construction of the door hinge is described (Figs. 3 and 4, not shown) and in the embodiment of Figs. 6 to 10 (not shown) channel-shaped trim strips are clipped over the triangular structure defined by parts 31, 32 and 33, further comer strips being provided at the junctions of the trim strips.
Patent GB-975976-A (GB)
Title: Electrical edge connector
Filed: 1962-04-12
Abstract: 975,976. Two-part couplings. UNITED-CARR Inc. April 12, 1962 [July 27, 1961], No. 14214/62. Heading H2E. In a dual printed circuit connector of the type in which opposed contacts operate on both sides of the circuit board, the contacts are retained in the insulating body by means of projections and recesses which co-operate with corresponding abutment members in the insulating body. The connector consists of a body 16 with a channel 19, which accepts the printed circuit board 20, on each side of which channel, in opposed pairs are chambers 24a, 24b each of which contains a resilient contact 17. In the drawings, corresponding parts of the upper and lower contacts are distinguished by suffixes a and b respectively. Each contact has a projecting edge portion 40 which slides along a groove formed between the top of the chamber and a projection 34. On the top of the contact is an outwardly struck portion 41 which abuts shoulder 32 preventing forward movement of the contact, and the portion 41 is prevented from falling away from the shoulder 32 by a leg 47 which rides up ramp 29 in front of which projection 44 clips. Hole 42 in the top part of the contact clips over projection 33. The contact surface 37a rests on one side of the printed circuit board while the surface 37b of an identical contact member rests on the opposite side. The tail 36 of each contact is adapted to be crimped round a contact wire after which the contact is inserted from the rear, projection 40 sliding along the slot and the opposite edge of 35 riding over projection 33 and projection 44 riding up the ramp 29. The contact is thus twisted and the neck 45 is provided to allow this. When the contact reaches its correct position it untwists and clips into position.
Patent GB-279344-A (GB)
Title: Improvements in or relating to annular rotary hearth ovens
IPC: F26B23/10
Filed: 1927-05-26
Abstract: 279,344. Trocknungs-, Verschwelungs-und Vergasungs-Ges., and Bartling, F. May 26, 1927. Tunnel ovens; hearths.-In a rotary hearth annular oven for dry distillation &c. having edge sand troughs k for sealing the oven chamber a, additional water sealing-troughs n, n<1> are provided to minimize conduction of heat to the supporting and driving means for the hearth h. The chamber is heated partly by roof flues c and partly by annular flues f, f<1> beneath the hearth. These latter flues are separated by an annular space l, which is sealed at its upper end by sand troughs k<1>, and at its lower end by the water troughs n, n<1>.
Patent GB-277078-A (GB)
Title: Improvements in and relating to doors for closing retorts and the like
IPC: C10B25/04
Filed: 1926-06-07
Abstract: 277,078. Low Temperature Carbonisation, Ltd., and Parker, J. F. June 7, 1926. Retort and like doors.- A metal &c. door is hinged in open bearings so that when held against its seating by pressure applied at or near the middle of the door it is lifted free of its mountings. The door f is pressed against the rim of the mouth of the retort a by an arm e, which is integral with a sleeve having hook-shaped lugs e<3> for supporting the hinge pins f<1> of the door, the sleeve being mounted upon a rotatable shaft d which is mounted in open bearings c formed on the supporting base for the retort.
Patent GB-611885-A (GB)
Title: Improvements in and relating to ball mills or pulverising cylinders of the intermittent type
IPC: B02C17/04
Filed: 1946-05-13
Abstract: 611,885. Ball mills; mixing appliances. ALLEN & CO., Ltd., E., and BAREHAM, E. F. May 13, 1946. No. 14364. [Classes 59 and 86] A ball mill or mixer has one end of the cylinder provided with ports with which co-operates a sealing plate associated with means whereby it may be moved into and out of position with respect thereto through the intermediary of a connection permitting relative rotation between the sealing plate and such means. The end plate 11 having ports 12, co-operates with a sealing plate 13 having a number of studs 14 engaging springs 15 which contact an idler plate 16 rotatable with the sealing plate and a shaft 21 said plate also engaging a rib 17 on a trunnion 18. One end of the shaft 21 terminates in a housing 28 which co-operates through a thrust bearing with the screwed spindle 29 controlled by a hand screw 31, by which the sealing plate is moved, the other end being screwed to the sealing plate by a nut 23, the section 22 having a square sectioned spherical surface giving a limited pivotal movement to the sealing plate. The housing 38 delivers ground material through orifices 39 into the casing 40 and hopper 41.
Patent GB-514740-A (GB)
Title: Improvements in or relating to motion picture cameras
IPC: G03B19/18
Filed: 1938-05-13
Abstract: 514,740. Kinematograph cameras. KODAK, Ltd., and CARROLL, C. W. May 13, 1938, No. 14398. Convention date, May 15, 1937..[Class 97 (i)] In a camera having within i a film magazine containing a source of 'energy for' a prime mover, stop means is movable first to release the mechanisn and then to actuate a switch o other connection initiating the operation of the prime mover, ot conversely, to actuate the switch &c. and then to stop the mechan ism and hold the shutter in ; closed position. As shown in Fig 8, the magazine has a film corn partment 57 provided with at exposure aperture 58, a claw slo 59, a pressure pad 61, and a clutch member 60; it also has a casing 64 containing a battery comprising groups of laminated dry cell elements respectively connected to contacts 67, 68. The magazine is held by a latera spring and by springs 70 ..' 72. Fig. 2, against supports 69 27 in the camera, the suppor 27 being provided with a contac 28 to engage the contact 68. Thi contact 67 is located so as to be engaged by a contact 76, Fig. 5 on a spring arm 74 when the arn is moved by a cam 78 on a shaft 51 forming part of the mechanism releasing means. Release is effected by turning an external finger lever 53, Fig. 6. secured t( the shaft 51; a pin 55 on an arn 54 secured to the shaft 51 thet raises a slide 49 to remove at abutment thereon from the path of a proiection on a disc 48 on a motor-driven shaft 29, and the cam 78 subsequently engages the contacts 76, 67 to close the motor circuit. The shaft 29 is driven from the motor 20 through gears 23, 30, and carries a crank disc operating a feed claw 32; it also carries a gear 45 driving a conical shutter 35 through gears 43, 42, 40, 39, and driving, through gears 43, 47, a clutch member 46 engaging the clutch member 60 of the magazine. The projection on the disc 48 is in such position that, when the mechanism is held, the shutter is closed. Specification 514,765 is referred to.
Patent GB-731437-A (GB)
Title: Improvements in or relating to protective clothing
Inventor: CLARKE JAMES HENRY
IPC: A41D13/02
Filed: 1952-06-10
Abstract: 731,437. Protective clothing; hats. ELLIOT EQUIPMENT, Ltd. June 5, 1953 [June 10, 1952], No. 14592/52. Classes 63 and 141. A garment to protect the wearer against the effects of being immersed in water or against contact with other liquids or gases, is formed in the manner of a bag adapted to receive the body of the wearer with the mouth portion 4 of the bag extending above the wearer's head, the bag having an opening 9 through which the face of the wearer protrudes and a cap 11 formed in, or attached to, the bag above the opening 9 so that the mouth portion of the bag can be gripped beneath the cap 11, Fig. 4, when the cap is positioned on the head of the wearer, whereby the bag may be effectively sealed. The bag is shaped to provide a main body portion 3, leg portions 1 and arm portions 5 of two-ply rubberized fabric, and feet portions 2 of reinforced thick rubber sheet. The mouth portion 4 is of single ply fabric. The opening 9 is bordered by an annular rubber strip 10 integral with a rubber cap 11. Beneath the armpits, breathers are provided by patches of treated fabric, such as that known under the Registered Trade Mark "Ventile", placed upon holes in the suit, which allow air to pass but prevent passage of liquid. Air trapped within the suit imparts buoyancy to the wearer, but can be allowed to escape from the suit by his moving the strip 10 with his hand.
Patent GB-157030-A (GB)
Title: Improved manufacture of phthaleins
IPC: C09B11/08
Filed: 1920-05-31
Abstract: Phthaleins are manufactured by condensing a phenol with phthalic anhydride in the presence of an anhydrous aromatic sulphonic acid with or without the addition of a metallic chloride, such as zinc chloride.  According to an example, phenolphthalein is prepared by heating phenol and phthalic anhydride in the presence of anhydrous toluenesulphonic acid.
Patent GB-572404-A (GB)
Title: Improvements in and relating to ploughs
IPC: A01B17/00
Filed: 1943-09-23
Abstract: 572,404. Ploughs. WATTON, H. F. Sept. 23, 1943, No. 14769/45. Divided out of 572,397. Drawings to Specification. [Class 6 (i)] The mouldboard of a land plough is equipped with blades for breaking up the furrow slices as they are being turned over, the blades being of tapered formation when viewed in plan, as in Fig. 3 of Specification 572,397, and having their leading edges of flattened S-shape whereby in the direction from the base of the blade to the tip the leading edge is first concave and then convex. The base of the blade has a screwthreaded stem whereby it may be secured to the mouldboard or to a bowed frame extending rearwardly therefrom.