baber/WOPTO huggingface dataset:
Patent GB-1064861-A (GB)
Title: Electric resistance welding device
Inventor: MUELLER ANDREW AUGUST
IPC: B23K11/26
Filed: 1964-03-24
Abstract: 1,064,861. Welding by pressure. WELLS ELECTRONICS Inc. March 24, 1964, No. 12350/64. Heading B3R. An electric resistance welding device comprises a primary frame, an electrode mounted on the frame, a movable frame shiftable on the primary frame between inoperative and operative positions, spring means urging the movable frame to the inoperative position, a movable electrode unit including a lever pivoted to the movable frame and yieldable means resisting pivoting of the lever. In one embodiment a fixed frame (20), Fig. 3 (not shown), carries an electrode (25) and on parallel rods (23) slidably supports a movable frame (28), the frame (28) being urged upwardly by a spring (35) and downwardly by a pedal connected cable (38). A lever (50) pivoted at (51) to the movable frame carries an electrode (56) on one arm and at the end of the other arm engages a switch (70). A lever (40) is pivoted to the movable frame at (41) and is pressed by an adjustable spring (43). Between the levers (40), (50) is arranged a member (61) adjustably mounted on a screwed rod (60), the rod being journalled in a member (62) pivoted at (63) to the frame (28). The rod is turned by a knob (64) and by a chain connection (69) between the rod (60) and a counter (66) on indication of the position of the member (61) is available. In operation the member (61) is adjusted to provide the required pressure applied by the electrode (56), the work is placed on the lower electrode and the pedal (36) is depressed to lower the upper electrode. When the upper electrode contacts the work further movement of the frame (28) causes the the lever (50) to pivot against the spring (43) and the switch (70) to be actuated. A capacitor is then discharged into the primary of a welding transformer, the secondary being connected to the electrodes. In a modification the movable frame (406), Fig. 12 (not shown), is slidable on posts on the fixed frame (400) and carries an arm (425) pivoted to the frame and carrying an adjustable electrode (434). A lever (417) is pivoted to the frame (406) at (418), is spring urged by an adjustable spring (423) and journals a screw threaded rod (420) on which is adjustably mounted a roller unit (465) which presses against the lever (425). A counting device (428) is coupled to the rod (420). The pivoting of the lever (425) about the pivot (426) against the spring (423) operation causes a switch (463) to be operated which commences the supply of the welding current.
Patent GB-783332-A (GB)
Title: Improvements in or relating to change speed gear boxes especially for tractors
Inventor: SENKOWSKI ALEXANDER
IPC: F16H63/20
Filed: 1952-05-16
Abstract: 783,332. Change-speed gearing. MASSEYHARRIS-FERGUSON (SALES), Ltd. Aug. 14, 1953 [May 16, 1952], No. 12400/52. Class 80 (2). A change-speed gear for a tractor between parallel input and output shafts 60, 61, giving five forward speeds and one reverse, comprises loose gears 70, 71 on shaft 60 selectively clutchable to shaft 60 by a double claw clutch 69A, gear cluster 66, 67, 68 loose on shaft 60, gear 63 fast on shaft 60, gear 76 fast on shaft 61, gears 74, 75 slidably splined on shaft 61, and gear cluster 73A, 73B loose on shaft 61 but adapted to be clutched to gear 74 at 74A by rightward movement of the latter. The forward gear trains, from the neutral position shown through extra low gear to top gear, are as follows:- gears 63, 73A-73B, 66-68, 75, by rightward movement of gear 75; gears 63, 73A-73B, 66-67, 74, by leftward movement of 74; gears 63, 73A-73B, clutch 74A, by rightward movement of 74; clutch 69A, gears 70, 75, by rightward movement of clutch 69A; and clutch 69A, gears 71, 76, by leftward movement of clutch 69A. For reverse, an idler 77 is moved leftwards to engage 67, while remaining engaged with 74, the train being gears 63, 73A-73B, 66-67, 77, 74. In an alternative arrangement, gears 70, 71 form a cluster splined on shaft 60, gear 75 being slidable rightwards from neutral to engage 68 and gear cluster 70, 71 being slidable rightwards to engage 75 and leftwards to engage 76. The gear selector mechanism, operated by a ball-mounted lever 87, comprises four selector rods 78A ... 81A, Fig. 2, carrying forks 78... 81 controlling gears 74, 75, clutch 69A, gear 77, respectively, together with a selector rod 86 controlling an electric starter. A housing 94, pivoted at 95 so that it can swing laterally, has a fore-and-aft slot 96, in which the lower end 93 of lever 87 engages, and has a depending arcuate lateral rib 97 co-operating with the forked ends 78D ... 81D, 86C of arms 78C ... 81C, 86B secured to the rods 78A ... 81A, 86. Thus, during a transverse movement of lever 87 to engage its end 93 in any selected one of forks 78D ... SID, 86C, the housing 94 moves in unison therewith and rib 97 locks all the selector rods except that one whose fork is in register with end 93, which selected one can be moved by fore-and-aft rocking of lever 87, the resulting engagement of the displaced fork in the slot 96 then locking the housing 94 and lever 87 against transverse movement. For engagement of lever 87 with forks 79D, SID, it must be lifted slightly against a spring 89A, and it must be lifted still further for engagement with fork 86C. Some of the arms may be replaced by rocking levers, a detailed arrangement being described in the Provisional Specification. Specifications 774,271 and 783,333 are referred to.
Patent GB-707125-A (GB)
Title: Improvements in photo-conductive targets for cathode ray devices
IPC: H01B1/10
Filed: 1952-05-16
Abstract: 707,125. Electrode materials and processing. RADIO CORPORATION OF AMERICA. May 16, 1952 [June 1, 1951; June 1, 1951], No. 12487/52. Class 39(1) [Also in Group XXXVI] The light-sensitive element for an electric discharge tube comprises a layer of red antimony trisulphide evaporated on to a supporting member. A transparent signal layer underlies the photoconductive layer. Apparatus for preparing the photo conductive target comprises a glass bell jar 13 on a flat base 15 with an evacuating pump assembly 21, 60. The red antimony tri-sulphide is contained in a crucible 35 formed by twisting tungsten wire into a conical spiral and coating it with aluminium oxide. Insulating sleeves enclose the leads and a shield 39 directs the material on to the end wall 31 of the tube 29 or a separate transparent member thereon. An auxiliary heating coil 41 is located outside and close to the end face 31, which as a preliminary step has received an internal layer 43 of transparent conducting material, such as a tin compound, followed by baking. This layer 43 is connected to a conducting ring 45 passing through the tube wall. The heater 41 preheats the end wall for cleaning purposes and maintains the processing temperature measured by a thermocouple 32 held to the tube wall by a clamping ring 34. The heater is switched off during evaporation which continues for about half an hour, the thickness of the coating being determined by evaporation time, by counting interference fringes or by photometric comparison with a standard target thickness. Further processing of the tube includes mounting screen electrodes and an electron gun therein with consequential degassing and baking. The temperature should not exceed 225C to prevent formation of the undesirable black form of antimony trisulphide. Air-blast cooling may be used.
Patent GB-737871-A (GB)
Title: Improvements relating to dry rectifiers
IPC: H01L29/00
Filed: 1951-05-28
Abstract: 737,871. Semi-conductor devices. SIEMENS & HALSKE AKT.-GES. May 28, 1951 [Oct. 1, 1948], No. 12512/51. Class 37. A dry rectifier comprises a PN junction in which the P and N semi-conductor portions consist of different basic substances. The N- type semi-conductor may consist of zinc oxide, cadmium sulphide, cadmium selenide or titanium-magnesium-spinel, and the P-type of cuprous oxide, copper sulphide or selenium with acceptor impurities, such as fluorine, Fig. 1, shows a rectifier with P and N semi-conductor portions 2 and 3, and electrodes 1 and 5; alternatively, one of the semi-conductor portions may be pointed and pressed on the other as shown in Fig. 2. That region of each semiconductor portion nearest the junction may be of reduced impurity centre concentration. A metal lattice may be vaporized on one element at the junction to provide a control electrode. If one of the semi-conductor portions is provided by oxidation of a metal plate, the barrier between coating and plate may be bridged by spraying or vaporizing metal on the edge.
Patent GB-890396-A (GB)
Title: Androstanol and androstenol derivatives
IPC: C07J43/00
Filed: 1960-04-08
Abstract: The invention comprises steroid compounds of the general formula <FORM:0890396/IV (b)/1> and the corresponding 5(6) unsaturated compounds, wherein R represents hydrogen or an alkyl or alkenyl radical, X represents a methylene or carbonyl radical, Alk represents an alkylene radical, Z represents an amino, dimethylamino, diethylamino, pyrrolidinyl, piperidinyl, piperazinyl, morpholinyl or hydroxyalkylpiperazinyl radical, and n represents 0 or 1, and non-toxic acid addition salts thereof, such as those derived from hydrochloric, hydrobromic, hydroiodic, nitric, phosphoric, sulphuric, sulphamic, acetic, lactic, succinic, malic, maleic, tartaric, citric, gluconic, ascorbic, benzoic, cinnamic, benzenesulphonic, and toluenesulphonic acids.  The above compounds may be prepared by condensing a compound of the general formula <FORM:0890396/IV (b)/2> wherein Y represents a halogen and Alk and R have the above significance, with an amine of the general formula ZH, wherein Z has the above significance, in the presence of an inert solvent and an alkaline catalyst such as sodium iodide.  The corresponding 5 (6) saturated compounds may then be prepared by low pressure hydrogenation in acetic acid or like solvent in the presence of platinum oxide or the equivalent as catalyst.  Alternatively, an amino-alcohol may be reacted with a compound of the general formula <FORM:0890396/IV (b)/3> wherein A represents an aryl or alkyl sulphonate ion, the reaction mixture being kept in a slightly acidic condition, e.g. by means of a sulphonic acid.  Compounds of the first general formula above wherein R represents an unsaturated hydrocarbon radical may be hydrogenated, e.g. in the presence of a neutral catalyst such as palladium on charcoal, to form compounds in which R represents a saturated hydrocarbon radical.  Detailed examples are given.  3b -(3-Chloropropoxy)-5-pregnene and the corresponding 17b -methyl compound are prepared by esterifying 5-pregnen-3b -ol and the corresponding 17b -methyl compound with p-toluene-sulphonyl chloride to form 3b -(p-toluenesulphonyloxy)-5-pregnene and the corresponding 17b -methyl compound, and treating the latter compounds with 3-chloropropanol.  3b  - (3 - Chloropropoxy) - 5 - cholestene, 3b  - (2-chloroethoxy) - 5 - pregnene, and 3b  - chloro - propoxy)-5-androstene are prepared by treating the corresponding 3b -p-toluene sulphonyloxy compounds with 3-chloropropanol or 2-chloroethanol as required.  3b -(3-Chloropropionyloxy)-5-pregnene and the corresponding 20-methylene and 7-one compounds and 3b -(3-chloropropionyloxy)-5-cholestene are prepared by reacting the corresponding free 3b -ol compounds and 3-chloropropionyl chloride.
Patent GB-968310-A (GB)
Title: Improvements in or relating to magazines for firearms
IPC: F41A9/70
Filed: 1963-03-29
Abstract: 968,310. Firearm magazines. RHEINMETALL G.m.b.H. March 29, 1963 [March 30, 1962], No. 12629/63. Heading F3C. In a box-type magazine having a spring 5 and platform 6 feeding the cartridges 3 towards the outlet 4, a cartridge-feed accelerating device is provided and comprises a member 8 pivotably or otherwise mounted at 10 and spring-urged to project into the magazine through an aperture 7 in a wall of the magazine, the member 8 being so shaped and dimensioned that on passage of the cartridges, the member 8 is first moved back against the action of its spring 12 and then moves inwardly to impart to each cartridge an additional accelerating inpulse. As shown, the spring 12 is a coil spring but this may be replaced by a leaf spring coiled around the pin 10 and whose end is shaped similar to the member 8, or the pin 10 itself may be in the form of a torsion bar spring. Rollers may be provided at the cartridge-engaging end 13 of the member 8.
Patent GB-564413-A (GB)
Title: A method of producing articles comprising looped fabrics resembling knitted fabrics
IPC: D04B1/00
Filed: 1942-09-08
Abstract: 564,413. Embroidery. HORLER, E. Sept. 8, 1942, No. 12642. Convention date, Sept. 9, 1941. [Class 112] [Also in Group VIII] Each loop 1 of a fabric resembling a twisted loop knitted fabric is interlaced with the two adjacent loops in the same course as well as with the loops of the preceding and succeeding courses.
Patent GB-734718-A (GB)
Title: Container for dispensing wire
Inventor: PARKES STANLEY
IPC: B65H49/08
Filed: 1953-05-06
Abstract: 734,718. Holders for coils of wire. GERRARD INDUSTRIES, Ltd. May 5, 1954 [May 6, 1953], No. 12668/53. Class 18. A container for dispensing wire from a coil comprises a main receptacle consisting of a ring 1 which is connected to a smaller ring 2 by three cranked, spoke-like bars 3 equally spaced around the circumferences of the rings, an arcuate plate 4 being brazed or welded between two of the bars 3, and a slotted post 5 being attached to the third bar. A cover for the receptacle is similarly formed from rings 9 and 10, and bars 11, the plate 4 being slotted at its corners 12 and 13 to receive two of the bars 11. The third bar 11 has a hole 14 which fits over a pin 8 forming the upper part of the post 5 and is fitted with a toggle action clip 15 carrying a loop 16 which engages the slot in the post 5.
Patent GB-474756-A (GB)
Title: Improvements in or relating to universal joints
IPC: F16D3/205
Filed: 1936-05-05
Abstract: 474,756. Universal joints. UNIVERSAL PRODUCTS CO., Inc. May 5, 1936, No. 12692. Convention date, May 15, 1935. [Class 80 (ii)] In a double universal joint, each joint being of the kind comprising a transverse pin 6, secured to a shaft 1, 2 and carrying spherical trunnions 8, slidably engaging longitudinal cylindrical grooves 14 in a common housing 15, additional bearing - surfaces are provided between the shafts and the housing for preventing relative axial movement therebetween. In Figs. 1 and 2 such additional surfaces are provided by a second transverse pin 11, secured to the housing 15 and passing perpendicularly through the trunnion pin 6, in which latter it bears by means of a spherical enlargement 12. In Fig. 9, the additional surfaces are provided by spherical surfaces 77, carried by the housing 15, and engaging flat-sided part-spherical shaftends 76. External spherical shells 82, 88, carried by the housing and shafts respectively co-operate in the prevention of relative axial movement. Instead of the external shells, the housing may be provided internally with a sleeve having spherical engagement at each end with the inner ends of the shafts, or the housing may carry integral or separate single spherical members engaging both sides of the central zones of shaft-spheres. Transverse rings of ball-bearings may be interposed between these spherical surfaces. In order to compel the housing 15 to assume an equal inclination with respect to each shaft, thus maintaining unit velocity-ratio, the shaft-ends are connected by a ball 19, held on one shaft by a clip 21, and engaging a two-part socket 22, axially slidable in the other shaft. The ball-andsocket may, as shown in Fig. 9, be integral with the shafts, or the socket may comprise a single row ball-bearing slidable axially in one of the shafts, a lubricant-impregnated material being provided inside the socket. The trunnions 8 are carried on roller bearings 7 on the driving pin 6 which latter may slidably carry buttons 10, the outer surfaces of which are curved axially and transversely to make, and maintain line-contact with the base of the cylindrical trunnion-grooves 14. The housing 15 is transversely split, its halves being held together either by a turned-over clip 29, Fig. 1, or by bolts 84, Fig. 9, and it carries shells 24 to which are attached flexible leather boots 32, Fig. 1, or which have spherical engagement with rigid shells 82, Fig. 9, to provide an oil-tight casing.
Patent GB-770537-A (GB)
Title: Improvements in or relating to presses, clamps and the like
IPC: B30B1/02
Filed: 1954-05-03
Abstract: 770,537. Work-holders. RUDDICK, H. G. April 22, 1955 [May 3, 1954], No. 12769/54. Class 83 (3). [Also in Group XXIII] A clamp for securing a workpiece against a worktable, e.g. in drilling or milling-machines or for wood-working or welding, comprises a body b secured to the table and comprising a base b2 and parallel vertical-walls b1, an arm a pivoted at e between the walls, a lever c pivoted at f to the arm and at g to a member d having rollers h engaging a runway o on the base. With lever c in its raised position, arm a is substantially vertical, and when the lever is turned clockwise, arm a turns anticlockwise to engage the work with a jaw or pad j which may be shaped to suit the work. The rollers move along runway o and abut stop n just forward of a line normal to the runway and passing through pivot f, so that the clamp is locked. Screw m permits adjustment of the clamp to varying workpieces. In a modification, the base is extended to form a fixed jaw co-operating with pad j. In another arrangement, the body is provided with a fixed jaw and a handle thus forming a hand clamp, and the opposed j aws may be shaped to grip pipes.
Patent GB-1125204-A (GB)
Title: Doll head support mechanism
IPC: A63H3/48
Filed: 1967-03-20
Abstract: 1,125,204. Doll head support mechanism. R. GARDEL and E. GORSKY. 20 March, 1967 [1 Feb., 1967], No. 12890/67. Heading A6S. A doll head support mechanism, allowing limited movement of the head with respect to the body, comprises an upwardly facing seat within the body, an element non-rotatably fixed to the head and having a downwardly facing seat adapted to rest on the first seat, at least one of the seats being saddle-shaped and their engagement permitting limited rotary movement of the element in both directions from equilibrium, the saddle shape causing the element to rise relative to the doll body when rotated from the medial, i.e. equilibrium position. Means are included to journal said element for rotation on an axis parallel to the vertical axis of the doll body. Preferably the seats have V-shaped profiles as shown in fig. 5, wherein the element is a spindle bifurcated at the lower end (13). Biasing means may be included to hold ithe downwardly facing seat in a vertical plane perpendicular to the vertical plane of the upwardly facing seat. A magnet may be placed in the doll's mouth so that the head may be turned by use of an external magnetic body, e.g. a feeding utensil. The connection between the element and head may comprise interlocking parts, fitted loosely enough to permit a free nodding movement of the head.
Patent GB-579822-A (GB)
Title: Improvements in and relating to horizon gyros
IPC: G01C19/44
Filed: 1943-08-10
Abstract: 579,822. Gyroscopic apparatus. JACK & HEINTZ, Inc. Aug. 10, 1943, No. 12917. Convention date, June 4, 1942. [Class 97 (iii)] In a gyro vertical'driven by fluid pressure and having a floating disc 15 adapted to apply a braking force to the rotor 1 when the fluid flow is reversed by operation of a hand control 34, the braking force is applied by the engagement of the face of the disc with the rotor. As shown, the disc 15 has apertures 27 coinciding with the passages 28 for the fluid and is prevented from rotating by peripheral teeth which engage splines on the rotor casing 6. Movement' of the hand control 34 to the " off " position connects the driving jet 17 to the vacuum pump 38 and the normal suction orifice 19 to the atmosphere via the filter 31. The resultant reversed flow of fluid then lifts the disc 15 to the braking position. The pendulous shutters 20, 21 for controlling the erection of the gyro' are retained on their pivots 22, 23 by spring elements 24. Specifications 551,245 and 556,264 are referred to.
Patent GB-106395-A (GB)
Title: A Combined Protecting Cap and Wrist Band for Wristlet Watches.
Inventor: BACHMANN ALI ARNOLD
IPC: G04B37/14
Filed: 1916-09-12
Abstract: 106,395. Bachmann, A. A. Sept. 12, 1916. Watch bracelets.-A wrist watch and its protecting cap are secured together and to the wrist by a metal band having two hooks at each end. The end hooks g engage slots in the cap c and the second hooks g<1> snap into engagement with loops b on the watch. The protecting cap has a transparent central part and is preferably made of celluloid which may be reinforced by a metal ring.
Patent GB-349740-A (GB)
Title: Valve gear for reciprocating steam engines
IPC: F01L31/16
Filed: 1930-04-28
Abstract: 349,740. Steam engine valve gear. SœNDER, A., 16, Oberseestrasse, Hohenschonhausen, Germany. April 28, 1930, No. 12977. [Class 122 (ii).] In engines having oscillating cams arranged between coaxial valve spindles. transverse bearing pins are mounted on the cylinders to carry the cams and their rocking-levers. In a double compound Wolff engine, Fig. 1, the valves are controlled by cams 1, 2, 3 pivoted on pins a fixed to the cylinder. The cams are connected by an adjustable rod and lever arrangement b, c. An eccentric or reversible gear operates the actuating-rod f. The pins a are forced under pressure into cast-iron cylinder extensions y. The pin a may be journalled in a sleeve p, Fig. 7, or it may have a flange r by which it is secured to a cylinder flange s, Fig. 8. In the engine shown in Fig. 4, the cam 2 of the interconnecting-valve is mounted on a transverse shaft k from which the cam 3 is operated by a link c. An alternative drive for the cams 2, 3 is shown in dotted lines. An arrangement is described for a compound engine with a low-pressure exhaust branch arranged on the rear engine side between the high and low-pressure cylinders.
Patent GB-1345967-A (GB)
Title: Optical character spacing system for phototypesetting
IPC: G02B13/00
Filed: 1971-05-04
Abstract: 1345967 Photographic type-composing HARRIS-INTERTYPE CORP 4 May 1971 [4 May 1970] 13058/71 Heading B6W In a photographic type-composing machine, light from a high speed flash source 22 is directed on to a photosensitive surface 45, after passing through a selected character on a continuously rotating disc 10, one of a plurality of sizing lines 28, a collimating lens 35, a rotatable mirror 40 controlled by a servomotor 44 in accordance with the character width, and a refocusing lens 50. Prisms 25 are used for font selection. The lens 50 is constructed so as to compensate for variations in character image dimension or spacing caused when the refocussed beam deviates from the optical centre-line, the lens characteristic for this purpose being that the distance of the image on the image plane or photosensitive surface from the intersection of the lens axis and the image plane is proportional to the product of the distance from the lens to the image plane and the angle between the beam producing the image and the lens axis. Specification 1,345,761 is referred to.