baber/WOPTO huggingface dataset:
Patent GB-755126-A (GB)
Title: Improvements in and relating to roller bearings and a method of their manufacture
IPC: F16C25/06
Filed: 1954-03-03
Abstract: 755,126. Roller bearings. PITNER, A., and SOC. ANON. DES ROULEMENTS A AIGUILLES. March 3, 1954 [March 4, 1953; July 24, 1953], No. 6178/54. Class 12 (1). [Also in Groups XXII and XXIII] In a roller bearing, at least one of the races contains local raised portions in its circumference so as to reduce the radial play of the rollers as they pass over the raised portions. The undulations may be effected mechanically before the mounting of the bearing, after mounting, by externally applied forces, or by a combination of these means. The radial width between an undulation and the opposing race may be slightly less than the diameter of the rollers. The outer race may be deformed by screw means 38, 40, Fig. 7, or by pressure on lands 53, Fig. 9, produced by tightening a surrounding sleeve 54. Alternatively the ring may be deformed by fluid pressure. In a method of forming the undulations prior to mounting the bearing, the outer race is deformed and then ground circular.
Patent GB-357067-A (GB)
Title: Improvements in coin-freed apparatus
IPC: G07F5/26
Filed: 1931-02-27
Abstract: 357,067. Coin-freed apparatus. HARPER, P. S., Adelaide House, Ashurst Walk, Croydon, Surrey. Feb. 27, 1931, No. 6180. [Class 27.] Coin action, with stationary coin -forming abutment.-In a drawer or like release mechanism, shown applied to apparatus wherein a plurality of drawers or the like can be selectively operated by the insertion of a coin in a common slot, the coin 11 inserted in a shoot 2 falls between a shoulder 12 on the shoot and the end of a locking lever 3, slidably mounted on a pin 4a, so that on rotation of the lever by a pin 10 on a bar 7, connected to the drawer or the like, the lever is thrust laterally so as to clear a stop 6 on the frame 1. The bar 7 is moved longitudinally during the initial opening movement of the drawer by the inclined face 16 of a slide 15, actuated by a cam 18 on a shaft 17 connected to the drawer, engaging a pin 16a on the bar. Each slide 15 has a nose 20 which wedges itself between the ends of interlocking bars 21 which when moved apart at one point 22 prevent the wedging action of any other nose.
Patent GB-189391-A (GB)
Title: Improvements in or relating to life boats
IPC: B63C9/02
Filed: 1922-03-02
Abstract: 189,391. Marsh, R. T., and Fletcher, R. D. L. March 2, 1922. Oars and rowing-apparatus.-A lifeboat is presided with oars passing through oar locks 10. The connections between the oars and the sides of the boat are made water-tight, and closing means for the oar locks, when the oars are not in use, are provided.
Patent GB-866697-A (GB)
Title: A thermo-electrically controlled gas shut-off unit
IPC: F16K31/524
Filed: 1959-02-23
Abstract: 866,697. Valves. CLAUSEN, M., [trading as DANFOSS VED INGENIOR MADS CLAUSEN]. Feb. 23, 1959 [Feb. 21, 1958], No. 6216/59. Class 135. A safety cut-off unit for gas burners comprises coaxial inlet and outlet valves 2, 3 and a valve 29 controlling the supply to a pilot burner. The inlet valve 2, which controls the passage of gas from a lower, inlet chamber to a chamber 11 from which leads a pilot gas supply passage 12, is urged towards its seating by a spring 5 and maintained in the open position by an electromagnet 6 energized by a thermoelectric element subject to the heat of the pilot burner. The outlet valve 3 which controls the escape of gas from the chamber 11 to an outlet leading to the main burner consists of a disc which is faced with a resilient material such as rubber and is slidable on a stem 9, the rubber &c. engaging the stem to form a seal. The valve 3 is urged towards its seating by a spring 16 and raised therefrom by an abutment 25 on the stem 9. The stem is biased upwardly by a spring 19 of greater strength than the spring 16 and is located axially by engagement of a radial pin 15 with an annular cam surface 14. The arrangement is such that to light the main burner an operator must first depress the stem 9 by means of a knob 10 to open the valve 2 whereby gas may enter the passage 12. Provided that the pilot valve is then opened by upward movement of a knob 31 the pilot burner can be ignited and the electromagnetic 6 energized to hold the valve 2 in the open position so that the knob 10 can be released. The knob 10 can then be rotated to allow axial movement of the stem 9 due to the action of the cam and pin 15, such axial movement causing the outlet valve 3 to be opened to an extent depending upon the degree of rotation imparted to the knob 10 the movement of which is limited by engagement of projections on the knob and on a washer 21 with a fixed abutment 23.
Patent GB-1285154-A (GB)
Title: Cable core diameter gauge
Inventor: SMITH COLIN FRANCIS GREENING
IPC: G01B7/12
Filed: 1971-03-08
Abstract: 1285154 Measuring thickness electrically STANDARD TELEPHONES & CABLES Ltd 8 March 1971 6239/71 Heading G1N An arrangement for measuring thickness, for example the thickness of a cable 11, comprises two probes 8 on arms 1, 2, pivoted at 3, 4, and urged together by a spring or a weight device 12, one arm carrying a transducer 9 e.g. a differential transformer, which contacts a member 10 on the other arm so that the transducer output is dependent on the distance apart of the probes. The member 10 is adjustable to set the zero position. The arms may be straight or cranked as shown. The transducer may be connected to a chart recorder to monitor variations in the diameter of a moving cable. Details of the pivots 3, 4, are disclosed Figs. 2 and 3 (not shown).
Patent GB-859194-A (GB)
Title: A stop motion device for circular knitting machines
IPC: D04B35/10
Filed: 1958-02-26
Abstract: 859,194. Knitting-machines. ZAPADOMORAVSKE STROJIRNY, NARODNI PODNIK. Feb. 26, 1958 [March 25, 1957], No. 6257/58. Class 74 (2). A stop motion for a circular latch needle machine comprises a feeler 2 adapted to engage an outstretched latch in the event of yarn failure or other irregularity, which feeler is secured to the lower end of a spindle 7. Attached to the upper end of the spindle 7 within a casing 10 is trigger pawl 13, one arm 17 of which is connected by a spring 18 to a pivoted lever 19 serving as one of two electrical contacts. The action of the spring 18 is to turn the pawl 13 so that its other arm 14 abuts the side of the casing and such that a tooth 15 on the end of the arm is disengaged from a slot 20 in the contact 19 and holds the contact spaced from the second fixed electrical contact 28 secured in the lid of the casing. In this position also the spring holds the feeler 2 in its operative position adjacent the needles. Upon a latch engaging the feeler 2 the pawl is turned against the action of the spring until the tooth 15 engages in the slot 20 of the contact 19 which is then drawn by the spring into contact with the fixed contact 28, thereby completing the circuit of the stop motion.
Patent GB-1516821-A (GB)
Title: Variable resistor
IPC: H01C10/26
Filed: 1977-02-15
Abstract: 1516821 Variable resistors MURATA MFG CO Ltd 15 Feb 1977 [2 March 1976] 06263/77 Heading HIS A variable resistor comprises an insulating rotor 3, having a resistive track 3b on one face electrically connected at 3f to at least one conductive layer 3d on the other face, the resistive track being contacted by the contact 4d of a fixed terminal 4 and the conductive layer (5) being engaged by at least one further fixed terminal 2 mounted on an insulating base, plate 1. As shown, a terminal 2 fits in a groove 1b, rotor 3 fits in a recess la under a projection 1d, and terminal 4 fits on a projection 1e of base plate 1. A slot 3c in the rotor permits adjustment thereof by a screwdriver. In a modification (Figs. 8-10, not shown) two concentric conductive layers are provided on face 3a1, respectively connected to opposite ends of the resistive track, the conductive layers each being engaged by a respective fixed terminal (2<SP>1</SP>A, 2<SP>1</SP>B). The resistor may be provided with a cover 5 having a hole 5a aligned with screwdriver slot 3c. To prevent entry of dust the hole may be surrounded by a sleeve (5<SP>1</SP>b, Fig. 5, not shown), or be fitted with a plug member 6. The plug member has a projection 6c, which engages screwdriver slot 3c, and itself has a slot 6b to receive a screwdriver for rotor adjustment.
Patent GB-346915-A (GB)
Title: Improvements in beacon lights
IPC: B64F1/20
Filed: 1930-02-25
Abstract: 346,915. Beacon lights. BARTOW, J. B., 111, Kendall Boulevard, Oaklyn, New Jersey, and LUDINGTON, C. T., Ardmore, Pennsylvania, both in U.S.A. Feb. 25, 1930, No. 6292. [Classes 75 (iii) and 75 (iv).] Revolving lamps; turntables.-A beacon light for aerial navigation purposes comprises a Fresnel or other cylindrical lens arranged with its axis inclined to the vertical, a source of light disposed on the axis of the lens, and means for rotating the lens about a vertical axis. The cylindrical lens 2, Fig. 1, may extend through 360‹, or part of it may be replaced by a reflector 3, and it may be combined with a polar lens 9 and a complementary reflector 10. The lens 2 is mounted on the posts 4 of a toothed wheel 5 in engagement with pinions 7, one of which is driven by a motor 8. In the form shown in Fig. 9, a portion of the cylindrical lens 11 between straight edges 13 parallel with the axis of the cylindrical lens is replaced by a convex bull'seye lens 12 arranged with its axis horizontal and at right-angles to the axis of the cylindrical lens 11. The lens 11 is carried by a support 24 pivoted on a bolt 23 carried by a plate 22 provided on a turntable 20. The latter is carried by ball bearings 21 and is driven by a shaft 18 carrying a worm wheel 17 driven by the shaft 16 of a motor 15 within a housing 14. The inclination of the lens may be varied by means of an arcuate rack 25 in mesh with a worm gear 26 operated by a hand-wheel 27, a thumb nut 28 being provided for locking the lens in any desired position. By bringing the lens to rest according to the direction of the wind a rectilinear strip of light may be projected on the ground to facilitate the landing of aircraft at night.
Patent GB-374399-A (GB)
Title: Improvements in the manufacture of adhesives
IPC: G01R15/12
Filed: 1932-03-02
Abstract: A dry, non-hygroscopic adhesive soluble in cold water is made by treating dextrin in a state of agitation, for example in stirring apparatus with atomized water, for example by spraying. The stirring apparatus may be heated or cooled.  Substances such as borax and sulphurous acid may be added to the dextrin or water. The granular product may be separated from unconverted dextrin by sifting.
Patent GB-573477-A (GB)
Title: Improvements in or relating to the manufacture of chlorocresols
IPC: C07C37/62
Filed: 1943-04-21
Abstract: Monochlorocresol is made by reaction of a molten cresol with chlorine in absence of a solvent until the reaction product contains approximately 1 atom of chlorine per mol.  The product may be distilled under reduced pressure.  Examples are given of the preparation of 4-chloro- and 6-chloro-o-cresol and 2-chloro-p-cresol.
Patent GB-1127482-A (GB)
Title: Screen printing machine
Inventor: COTTERELL JEFFREY
IPC: B41F15/08
Filed: 1966-02-14
Abstract: 1,127,482. Screen-printing apparatus. SCREEN PRINTING MACHINERY Ltd. 26 Jan., 1967 [14 Feb., 1966; 28 Oct., 1966], Nos. 6425/66 and 48348/66. Heading B6C. In a silk screen printing machine, the printing bed 7 is adapted to be raised to a first position in which grippers on bars 4-4<SP>111</SP> and sheets supported thereby lie flush with the bed, and to be lowered into a second position in which the sheets may be drawn over the bed by a mechanism including endless chains 2. The chains 2 are moved intermittently by a rack 16 and pinion 14 acting on a chain wheel 3 and reciprocated by a crank wheel 22 which also acts as a cam wheel to control the movement of the bed 7. A cam-operated locking device (not shown) prevents reverse movement of the chain wheel 3 on the non-driving stroke of the rack 16. A cam follower 24 coacts with the periphery of the cam and crank wheel 22 to operate linkages 48 and 33, 34 which move the bed 7 and an inking mechanism respectively. The inking mechanism, comprising a transversly movable squeegee (19), Fig. 3 (not shown), mounted above a stencil frame (114), Fig. 4 (not shown), is supported on pillars 45, 46 which are movable up and down by the links 33, 34 connected to the cam follower 24. The bed 7 may be moved upwardly as a whole by interconnected links 52, 60 or may pivot about a point near the feed end of the bed. In operation, while one sheet is being printed, a second sheet on a feed table 6 is gripped by a gripper, such as 4, so that when the squeegee has finished its traverse of the first sheet, the chain can move on, registering the second sheet on the bed, the stencil frame and the squeegee being lifted and the bed being lowered. The stencil frame, squeegee and bed then return to their operative positions before the squeegee begins its return traverse. The squeegee slide (18), Figs. 3-5 (not shown), has lugs (118) bearing tapered register pins (120) which cooperate with holes in the gripper bars to register the stencil frame (114). The gripper bars are connected to the indexing chains by trailing links (126, 128) guided by rollers (132, 134) on a track (130), the trailing links allowing the gripper bars to move slightly for accurate registration. The sheet may be held in position by the application of slight suction. The machine may include more than one printing station.
Patent GB-140892-A (GB)
Title: Improvements in or relating to variable speed gear
IPC: F16H31/00
Filed: 1919-03-15
Abstract: 140,892. Horne, H. W. March 15, 1919. Variable. - speed ratchet gearing comprises pneumatic resilient links combined with nested toothed gearing. A cylinder 1 containing elastic fluid such as air is reciprocated by the engine. Its piston 2 is connected by a rod 3 through a ratchet device 12 to an internally toothed ring 6. The ring 6 is geared through fixed idlers 8 - - 11 to a toothed gear 7 on an ultimately driven shaft 5. There is an air passage 15 in the rod 3 between the cylinder 1 and the atmosphere. Valves 18, 19 are also provided. In a modification, the piston is reciprocated by the engine, and the cylinder is connected to the ratchet device through a rackrod.
Patent GB-248784-A (GB)
Title: Process and means for tempering cutlery blades
IPC: C21D9/18
Filed: 1926-03-08
Abstract: 248,784. Viola, P. March 9, 1925, [Convention date.]. Tempering. - A knife or razor before being heat-treated is provided with a protective casing comprising a sheath 1 to enclose the cutting edge of the blade, hooked portions 3 embracing the back of the blade and projections 2 which support the blade at the sides to prevent the cutting edge of the blade from coming into contact with the sheath 1. The blade abuts at the bottom against a transverse flange 4. The blade supported in the casing is heated in a furnace or by immersion in a lead bath, and is then immersed in a cooling bath.
Patent GB-288423-A (GB)
Title: Improvements in sheet metal cutting, rolling, or like working machinery
IPC: B23D15/12
Filed: 1927-03-09
Abstract: 288,423. Moseley, C. March 9, 1927. Shearing; rolling.-In a cutting, rolling, &c. machine the bearing 1 for the upper roll &c. is moved to the operative position by a cam 7 mounted in a floating support 5. The cam cooperates with a projec. tion 8 on a block adjusted by a screw 4. When the cam is turned, springs move the roll to the inoperative position.
Patent GB-375246-A (GB)
Title: Improvements in or relating to microphone wind-shields
IPC: H04R1/34
Filed: 1932-03-04
Abstract: 375,246. Microphones. RADIO CORPORATION OF AMERICA, 570, Lexington Avenue, New York, U.S.A.-(Assignees of Spotts, R. K. ; Los Angeles, U.S.A.) March 4, 1932, No. 6550. Convention date, March 27, 1931. [Class 40 (iv).] A microphone wind-shield comprises a complete enclosure 11, Fig. 1, supported by, and movable with, the microphone mounting 3. The microphone 1 is suspended from its amplifier 3 to which the streamlined wind-shield 11 is clamped by a ring 9. The wind-shield comprises a light framework 8, the front of which is covered with windproof material 11, such as doped silk, the back being covered with sound transparent material 7, such as muslin or chian silk. The interior of the nose portion 11 may be filled with a sound absorbent material such as felt. Where the wind varies in direction, a shield comprising an annular windproof zone 17, Fig. 4, may be used, the lower and upper zones 19 allowing passage of sound. The portion 17 may also be packed in the interior with felt.
Patent GB-583900-A (GB)
Title: Improvements in and relating to the production of fumigants
Filed: 1944-04-11
Abstract: Thiophosgene is produced by reacting heated chloroform vapour with sulphur dioxide.  The heat of burning sulphur may be utilised to vaporise chloroform which may also contain one or more substances yielding a toxic vapour, e.g., carbon tetrachloride or chloropicrin. The thiophosgene is applied as a fumigant. Specification 524,871, [Group VI], is referred to.ALSO:Thiophosgene for fumigation is produced in situ by reacting heated chloroform vapour with sulphur dioxide.  The heat of burning sulphur may be utilized to vaporize the chloroform which may contain one or more substances yielding a toxic vapour, e.g., carbon tetrachloride or chloropicrin.  The chemicals may be disposed in the apparatus described in Specification 524,871 the sulphur being burnt in the lower vessel beneath the chloroform &c. contained in the upper vessel.
Patent GB-292053-A (GB)
Title: Improvements in or relating to machines for forming wire articles
IPC: B21G7/08
Filed: 1927-06-07
Abstract: 292,053. Jackson, L. Mellersh-, (American Chain Co., Inc.). June 7, 1927. Divided on 296,748. Drawings to Specification. Making wire articles; angular bending; dies and formers; shearing-adjuncts.-In a machine for forming wire articles such as cotter pins of the kind in which a pin carried by a moving conveyor engages the wire as it is severed from the supply and carries the severed length successively to the forming dies, different parts of the pin engage the wire at successive stages of the forming, operation. The pins have parts of different diameters and are transversely slidable in the conveyer so that different diameters are in engagement during initial forming and the completion of the eye of a cotter pin &c. The machine is fully described in Specification 296,748.
Patent GB-1447145-A (GB)
Title: Method and plant for the production of wall panels
IPC: B29C39/00
Filed: 1974-02-14
Abstract: 1447145 Moulding wall panels W NILSEN 14 Feb 1974 [15 Feb 1973] 6700/74 Heading B5A In a method of producing wall panels, each comprising foam plastics material sandwiched between two gypsum plates, two webs 1, 2 of gypsum produced by means A, B are fed in parallel spaced relation through a drying chamber C, a station D where elements such as piping 7 are located between the webs, a station E where plastics material with foaming agent is introduced between the webs and a station F where the webs are brought together to a desired spacing before being cut to desired lengths by means G. Each web is produced by the casting of gypsum between opposed webs of paper or the like, the upper web 2 being turned through 180 degrees before passing into the drying chamber.
Patent GB-448905-A (GB)
Title: Improvements relating to cycle pedals
IPC: B62M3/08
Filed: 1935-03-04
Abstract: 448,905. Cycle pedals. WEBB & CO., Ltd., H. C., and TAYLOR, F. W., Tame Road, Witton, Birmingham. 4, 1935, No. 6710. [Class 136 (ii)] A removable cover or cap of the type employed for enclosing the nut on the outer end of the spindle of a cycle pedal is constructed in the following manner in order to facilitate attachment and detachment. A domed sheet-metal end cap a is formed with a narrow flange e, which at diametrically-opposite positions is enlarged to form a pair of lugs f, each provided with an open-ended gap g, ono or both of the lugs f boing folded back at its outor end to provide an enlargement or finger piece for facilitating the manipulation of the cap. The outer end plate i of the pedal is provided with a pair of headed pegs k, the parts beneath the heads being adapted to be engaged by the gapped portions of the lugs f. The flange e is formed with flats or notches m, whereby in applying the cap the flange is enabled to pass the heads of the pegs k, after which the cap is rotated to effect engagement of the gaps with the pegs.
Patent GB-739655-A (GB)
Title: Universal joints
IPC: F16C33/78
Filed: 1954-03-09
Abstract: 739,655. Stuffing-box substitutes. HARDY SPICER, Ltd. (Spicer Manufacturing Division of Dana Corporation). March 9, 1954, No. 6783/54. Class 122 (5). [Also in Group XXIV] In a Hooke's joint with needle roller bearings a sealing device for each bearing comprises a rubber ring engaged under pressure by an abutment 18 on an arm of the cross-shaped member. The rubber ring has a main flange 20 engaged in a groove in the race ring 12 and a secondary flange 22 engaging an end face 23 of the race ring. When the bearing is being charged with lubricant through a passage 25 trapped air will escape past the flanges 22, 20 which are deformed.
Patent GB-405471-A (GB)
Title: High intensity reflector
IPC: G02B5/126
Filed: 1933-03-06
Abstract: 405,471. Reflectors. LERAY, G., 5<bis>, Rue du Capitaine Ferber, Paris. March 6, 1933, Nos. 6792 and 6793. Convention dates, March 4, 1932, and Jan. 3, 1933. [Class 97 (i).] A reflecting system by which rays from a distant point are returned in a direction parallel to that of incidence comprises a converging optical system of which the part directed towards the luminous source is stigmatic as regards a distant luminous point and comprises at least one surface which is neither plane nor spherical. The system shown in Fig. 1 consists of a refracting portion 1 and a reflecting portion 3, the portion 1 being a surface of revolution formed by rotating about its major axis an ellipse having its foci at the points 6, 2. The reflecting portion 3 is also a surface of revolution about the same axis, its generator being an ellipse passing through the point 2 and having its foci at the points 4, 5, at which a line through the point 6 parallel to the minor axis of the ellipse generating the surface 1 intersects the said ellipse. With this arrangement any point on the circle drawn on the surface 1 and passing through the points 4, 5 is imaged by the reflector 3 at a diametrically opposite point on the same circle. This form is stigmatic as regards a distant point on its axis. Fig. 4 shows a form which is stigmatic as regards points lying on a cone the axis of which coincides with the axis of revolution of the reflecting system. In this form the refracting portion is generated by the rotation of an ellipse 9 having axes XX<1> and YY<1> about an axis Z passing through a point 14 which is the centre of curvature of the ellipse 9 at the extremity of its major axis. The reflecting portion is generated by rotating about the axis Z an ellipse 11 passing through the focus 10 of the ellipse 9 and having its foci at the points 12, 13 on the effective portion of the ellipse 9. Alternatively the reflecting portion may be generated by an arc of a circle passing through the point 10 and having its centre at the point 15. This form is stigmatic for rays incident in a direction parallel to the axis XX<1> i.e., for rays lying on the surface of a cone having as axis the axis Z and having its generators parallel to XX<1>.
Patent GB-497410-A (GB)
Title: Improvements in and relating to the treatment of solutions of titanium sulphate
IPC: C22B34/12
Filed: 1937-03-08
Abstract: Crude concentrated titanium sulphate solutions having a specific gravity above 1,5 are clarified by treatment in a "clarifying" centrifuge at ordinary or elevated temperatures. Centrifuging may take place before or after ferrous sulphate present has been crystallized out by cooling, and in the latter case with or without separation of the ferrous sulphate crystals. The bulk of the solids present may first be removed by settling if desired.