baber/WOPTO huggingface dataset:
Patent GB-593557-A (GB)
Title: A machine for use in the construction of commutators
IPC: H01R43/06
Filed: 1945-06-05
Abstract: 593,557. Safety devices for machinery. LUCAS, Ltd., J., SWIFT, W., and GOODMAN, A. June 5, 1945, No. 14174. Drawings to Specification. [Class 80(iv)] [Also in Group XXII] A press for securing together the components of a commutator (see Group XXII) is started by two manually operable spring loaded valves which require to be actuated simultaneously and which are situated so as to necessitate the use of both of the operative's hands.
Patent GB-1451886-A (GB)
Title: Self-piercing blind fasteners
IPC: F16B19/10
Filed: 1975-04-08
Abstract: 1451886 Blind riveting ILLINOIS TOOL WORKS Inc 8 April 1975 [8 April 1974] 14292/75 Heading B3U [Also in Division F2] A blind rivet assembly 10, see Fig. 1, comprises a rivet body 20 having a shank 22 with laterally opposed wings 24 at its trailing end and an axial recess extending from its trailing end to a point short of the leading end of the shank, and a drive pin 12 of a length greater than the depth of the recess located therein, the pin and rivet body including co-operating surfaces to transmit a driving force through the pin to the rivet body, and the pin and shank including means by which a part of the assembly may be radially expanded on penetration of a workpiece by the continuation of the driving force. The leading end of the shank may have a sharp tapered point 26 and a slot 32. The pin may have a conical point which co-operates with a complementary abutment surface in the recess. Instead of a fully formed slot 32, the shank may be partially slotted (Figs. 6, 7, not shown). In use, the pin is subjected to a force sufficient to cause the leading end of the rivet body to pierce a workpiece and to expand the leading end therafter, (Figs. 8-10, not shown). In a modification, wings 24 are in the form of sectors of a circle separated by gaps which lie in a plane perpendicular to the plane of slot 32 (Figs. 12-14, not shown). In a further modification, see Fig. 15, the rivet assembly 10b comprises a rivet body 20b the shank and wings of which are formed by a piece of bent-over sheet material. The axial recess 28b includes inclined surfaces 30b which co-operate with the point 16b of pin 12b. In yet another modification, see Fig. 17, the drive pin 12c is bifurcated by an axial slot to form two legs, the end of the slot being tapered, and the base of the recess in the rivet body is provided with surfaces 30c, which in use co-operate with surfaces 16c of the pin so as to radially expand the legs of the pin. The rivets may be made of metal, metal alloys, or plastics materials.
Patent GB-499115-A (GB)
Title: Improvements in or relating to devices for delivering measured quantities of liquids
IPC: G01F11/32
Filed: 1938-05-13
Abstract: 499,115. Dispensing liquids. RANSOM, H. May 13, 1938, No. 14379. [Class 106 (v)] In a liquid - measuring device in which the upward movement of a stem 9 against the resistance of a spring 17 closes the bore 3 of the liquid supply passage in the body 1 and opens an air valve 14 to allow the flow of liquid from the measuring chamber 4 through ports 11 to a delivery passage 10, dripping of liquid from the device after delivery is prevented by the provision of a cup washer or packing 16 on the stem 9 engaging an extension 8 on the base 6 of the measuring chamber so as to withdraw liquid from the passage 10 through the ports 11 as the stem 9 moves downwardly to its normal position. The stem 9 may be provided with means for direct manual operation or for operation by the vessel into which the measured quantity of .liquid is to be fed. The measuring chamber is formed by a glass tube 5 secured between the body 1 and base 6.
Patent GB-528775-A (GB)
Title: Turning-gear for internal combustion engines
IPC: F02N1/02
Filed: 1939-05-15
Abstract: 528,775. Turning-gear. POTEZ, H. C. A. May 15, 1939, No. 14424. Convention date, May 18, 1938. [Class 7 (v)] In a starter for aircraft or other engines, in which energy is stored in one or more springs 16 or other means during half a revolution of a crank disc 13 and restored to the starter shaft during the followmg half revolution, a free-wheel mechanism 4 is interposed between the crank disc 13 and the driving shaft 2 of the starter. The shaft 2 may be driven by a handle 1 or by a low-power electric motor, and the spring 16 by a piston compressing a fluid. As shown, the shaft 2 is connected through the free-wheel 4 to a shaft 6 having a ratchet wheel 7 engaged by a pawl 8 to prevent backward rotation. A friction clutch 9 connects the shaft 6 to a gear 11 meshing with teeth on the crank disc 13. The transmission from the disc 13 to the engine shaft 37 comprises a disconnectable coupling 18, gearing 23, 24, shafts 25, 26, 27 coupled at 25a, a dog clutch 33, and gearing 35, 36. The coupling 18 comprises a ball 19 engaging in recesses in discs 18, 20, the disc 20 riding axially against a spring 21 to release the ball 19 if the engine backfires ; the clutch 9 can also slip under backfire. The dog clutch 33 is threaded at 30 on the shaft 27 in order to effect disengagement when the engine starts. In a modification, the coupling 18 is replaced by a shaft which is adapted to yield to torsion.
Patent GB-707581-A (GB)
Title: Manufacture of diquaternary ammonium compounds
Filed: 1951-06-18
Abstract: The invention comprises compounds of the general formula <FORM:0707581/IV (b)/1> in which n represents a whole number from 1 to 5, <FORM:0707581/IV (b)/2> represents a cyclohexane nucleus, X and Z each represent H or CH3 and R, R1 and R2 each represent alkyl. They are prepared by reacting a basic compound of the formula <FORM:0707581/IV (b)/3> with an alkyl halide.  The basic compounds may be made by the process of German Specifica-748,457 or French Specification 885,949 by subjecting the corresponding 4 : 41-diamino-diphenylalkanes to nuclear hydrogenation and alkylating the amino groups before, during or after hydrogenation. In examples there are prepared (1) dicyclohexyl-ethane-4 : 41-di-(trimethyl ammonium iodide); (2) dicyclohexylmethane - 4 : 41 - di - (trimethyl - ammoniumiodide); (3) dicyclohexyl - dimethyl - methane-4 : 41 - di - (trimethylammonium iodide); (4) 2 : 21 - dimethyl p  - dicyclohexyl - methane - 4 : 41-di - (trimethylammonium iodide); (5) 3 : 31-dimethyl - decyclohexyl - methane - 4 : 41 - di-(trimethylammonium iodide); (6) 3 : 31 : 5 : 51-tetramethyl - dicyclohexyl - methane - 4 : 41 - di-(trimethylammonium iodide), by reaction of the corresponding di-tertiary amines with methyl iodide.  4 : 41 - Di - (dimethylamino) - dicyclohexyl ethane is prepared by catalytic hydrogenation of 4 : 41-diaminodiphenyl-ethane to 4 : 41-diaminodicyclohexylethane, and methylation of the latter by reaction with formaldehyde in the presence of hydrogen and Raney nickel; 4 : 41-di - (dimethylamino) - dicyclohexylmethane is prepared by reacting 4 : 41-diamino-dicyclohexylmethane with formaldehyde and formic acid; 4 : 41 - di - (dimethylamino) - dicyclohexyl dimethylmethane, 4 : 41 - di - (dimethylamino)-2 : 21 - or 3 : 31 - dimethyl - dicycloxyl - methanes and 4 : 41 - dimethylamino - 3 : 31 : 5 : 51 - tetramethyl - dicyclohexyl - methane are prepared by treating the corresponding primary diamines with formaldehyde, methanol and hydrogen under pressure in some cases in presence of a hydrogenation catalyst.
Patent GB-193760-A (GB)
Title: Improvements in electrically driven fans
IPC: F04D29/32
Filed: 1922-05-23
Abstract: 193,760. Schmelzer, B. May 23, 1922, Impeller blades.-The blades of an electricallydriven fan have curved cutting edges 4 which are all arranged in a plane at right-angles to the axis of rotation ; they also have curved rear edges 5 with a rearward extension 6 serving to give greater spread to the blast of air. The body 3 of each blade is dished so that a section across the blade at any part is a curved line, and all the edges of each blade are in one plane. The blades are preferably made of sheet brass.
Patent GB-143899-A (GB)
Title: Improvements in phonograph record cabinets
IPC: A47B81/06
Filed: 1920-05-28
Abstract: 1.43,899. Chernack, A. E. Feb. 6, 1919, [Convention date]. Furniture withmechanically interconnected series of trays.-A cabinet for filing phonograph records comprises one or more series of superposed trays 17 each of which has a sliding engagement with the trays above and below limited by a pin 30 and slot 31, the top and bottom trays being limited by stops 28, 34. The trays have transverse rods 19 which form compartments each. adapted to receive several records in their envelopes, and the envelopes are provided with staggered tabs so that the contents of each tray may 'be shown simultaneously. The front edges of the records in the several compartments of a tray are caused to be presented in a vertically staggered relation by a stepped block 27 fixed at the back of each tray. On drawing forward the lowest tray by the handle 32, the other trays are drawn forward as shown, so that all the index tabs of the records are revealed at once.
Patent GB-772570-A (GB)
Title: Needle vibration controlling mechanisms for zigzag sewing machines
IPC: D05B19/00
Filed: 1955-05-20
Abstract: 772,570. Sewing-machines. SINGER MANUFACTURING CO. May 20, 1955 [May 26, 1954], No. 14565/55. Class 112. Means are provided for locating the needlebar frame of a zig-zag sewing-machine in a desired lateral position when the pattern-cam vibrating it is removed, for straight stitching. In the machine shown, the needle-bar frame is oscillated by a pitman 25 pivoted to a slide 55 which is reciprocated in an angularly-adjustable guide 57 by a pattern cam 27 through a rock-shaft 38, arm 50 and link 52; the cam 27 is held by a finger-nut on the end of a shaft 29 driven by worm-gear from the needle-bar shaft, and can thus be readily removed for replacement by another cam giving a different stitching pattern. The rock-shaft 38 has a cam-follower arm 40, a collar 45 to which a brassing spring 42 is attached, and an arm 46 carrying an adjustable stop-screw which engages an abutment on the machine frame to determine the position of the cam follower, and therefore of the needle-bar frame, when the cam is removed; the screw may be used to lift the follower from the cam. The slide 55 is cylindrical, and the guide 57 is fixed by a screw to an arm on a hollow shaft 60 with a finger lever 63 working over an indicating scale and locked in the required position by a screw passing through a slot in the lever. A spindle 70 inside the shaft 60, with a finger lever 76, carries an eccentric pin engaging a transverse slot in a member 73 slidably mounted' between the guide 57 and its supporting arm, and the member 73 has a pin 75 projecting into the guide 57 ; in its lowest position this pin is outside the range of movement of the slide 55, but in actuation of the lever 76 it can be moved to shift the slide along the guide to shift the needle-bar frame laterally and to lift the cam-follower from the cam. The lever 76 has a spring. plunger which engages recesses in the lever 63 to hold the former lever in positions .which will produce straight stitching respectively in the extreme lateral positions and the middle position of the needle-bar frame.
Patent GB-1500696-A (GB)
Title: Tdm communications systems
IPC: H04J3/06
Filed: 1974-09-05
Abstract: 1500696 Time-division multiplex systems SIEMENS AG 5 Sept 1974 [5 Sept 1973] 14567/74 Heading H4M In a time-division multiplex (T.D.M.) pulse system between subscribers lines 1 to 20 are grouped, each group has a common T.D.M. unit SMUX having information a ... e and synchronizing channels f, an enciphering unit VS and an adder A; a circuit SZ combines the groups and includes a unit SYN for each group which holds the synchronizing information from onward transmission and a unit AB which gates for onward transmission only the bit sequences corresponding to lines a... e, stores SSP, and a scanning switch AT.
Patent GB-1177403-A (GB)
Title: Ship Stabilizers
IPC: B63B39/06
Filed: 1967-03-30
Abstract: 1,177,403. Ship stabilizing. JOHN J. McMULLEN ASSOCIATES The. 30 March, 1967 [31 March, 1966], No. 14586/67. Heading B7M. A ship having a hull 10 is stabilized by fins 16 fixed to partially-rotatable shafts 14 at the pitching axis of the ship, each shaft being abaft the centre of pressure of the respective fin and coupled to an hydraulic energy-storing device 12. Complete rotation of each shaft is prevented by a stop 18 thereon and fixed stops 17. When each fin is in the position shown in Fig. 4c, the lift produced by the fin is nil; and when the ship rolls while going ahead, owing to the shafts being abaft the centres of pressure of the fins, the fins are pivoted to the positions shown in Figs. 4a and 4b, respectively, so as to exert a restoring couple on the hull. Each of the devices 12 biases the corresponding fin towards the position according to Fig. 4c.
Patent GB-569954-A (GB)
Title: Improvements relating to guiding means for vehicle windows
IPC: B60J10/04
Filed: 1943-09-07
Abstract: <PICT:0569954/IV/1> <PICT:0569954/IV/2> A guide channel for sliding windows, particularly of vehicles, is made of extruded or moulded plastic material such as phenolic, urea, polyvinylchloride, synthetic resins or cellulose derivative with or without a fabric or like filler or reinforcement f and is provided with edges engaging the glass resiliently with a small bearing surface.  Stop e on the sides or a fabric filler in the base of the channel may be provided to limit movement of the glass in its own plane.  Specification 516,316, [Group X], is referred to.
Patent GB-442343-A (GB)
Title: Improvements in or relating to axles of automotive vehicles or the like having frontdriving and steering wheels
IPC: B60K17/30
Filed: 1935-05-18
Abstract: 442,343. Universal joints. FAURE, J., and CHAVRIER, A. P., 244, Avenue Berthelot, Lyons, France. May 18, 1935, Nos. 14635 and 14636. Convention dates, May 19, 1934 and April 16, 1935. [Class 80 (ii)] [See also Group XXXI] The steering-wheels of a motor-vehicle are driven through universal joints of the kind described in Specification 199,701, [Class 80 (ii)], each of which comprises two concentric universal joints at A, Fig. 1, coupled together by a differential gear 18, the planet carrier 20 of which is driven by a driving shaft and a universal joint 16 while the planet pinions 22, 23 are respectively fixed to the inner and outer shafts 24, 25 of the joints A. According to the present invention, the inner shaft 24 extends through the differential gear 18 to the universal joint 16 so as to ensure the rigidity of the whole shafting. In the construction shown in Figs. 5, 6 and 10, the jaws 44, 45 of the inner and outer universal joints A are fixed to the driven shaft 41. The jaws 45, 46 of the outer joint are connected to a ring member 47 by cups 48 enclosing needle rollers 49, Fig. 10, slots 50 are provided in the jaws to enable the ring 47 to be put in place, and the ends of the cups are closed by elastic members 51 held in circular grooves in the forks.
Patent GB-118185-A (GB)
Title: Improvements in or relating to Stuffing Boxes.
Inventor: HONEGGER GUSTAV
IPC: F16J15/40
Filed: 1917-05-09
Abstract: 118,185. Honegger, G. May 9, 1917. Packing, adjusting or compressing; draining; packing, removable casings, containers, or carriers for.-In a stuffling-box for a direct-acting pump, the packing 14 is compressed by the delivery pressure of the pump admitted by a pipe 12 to the space between two U-collars 5, 6 held apart by a spring 7. A space formed by a drainage ring 10 is connected by a pipe 13 to the suction side of the pump. The packing is contained in a casing 4 which is closed at the steam-cylinder end by a screw plug 8.
Patent GB-277119-A (GB)
Title: Improvements in gramophones and the like
IPC: G11B3/42
Filed: 1926-06-11
Abstract: 277,119. Stoney, C. M. June 11, 1926. Sound-boxes, connecting to tone-arms.- Relates to a flexible tubular connector between the sound-box of a gramophone, or the like and the tone-arm, and consists in providing means whereby the connector can be shortened by compression between opposed annular plates. neither of which forms part of the sound-box itself. As shown, the flexible tube 1, Fig. 1, connecting the sound-box 3 to the tone-arm 4, is compressible axially by means of two annular plates 5, 5<1>, and the screw rods 6. The ends 7 of these rods abut against radial spring blades 9 or other lugs attached to the plate 5, and nuts 8 on the other ends of the rods abut against spring blades 10 &c. on the plate 5<1>. By this means the tube 1 can be deformed somewhat from a cylindrical shape to the bulged shape shown. In the modification shown in Fig. 4, the invention is applied to a device of the kind described in Specification 268,465. In this instance, screws 11 having fixed heads 12 engage in sockets 13 with heads 14 abutting against the plate 15 by which the connector 1 is fitted to the soundbox.
Patent GB-710641-A (GB)
Title: Improvements in motion picture cameras and projectors
IPC: G03B1/22
Filed: 1950-06-13
Abstract: 710,641. Kinematograph apparatus. BROIDO, J. J. G. G. June 13, 1950 [Feb. 24, 1950], No. 14792/50. Class 97(1) An intermittent, film feed mechanism comprises a continuously oscillating member, movable in a direction parallel to the direction of film feed, a claw member pivoted on the continuously oscillating member and coupled to a retarded movably mounted member, a lost motion connection between the continuously oscillating member and the movably mounted member whereby the claw member pivots on the oscillating member near the ends of movement of the oscillating member, due to the lost motion, to cause engagement and disengagement of the claw member with the film and during the remainder of the movement the claw member is moved with the oscillating member to provide feed movement of the film. In the form shown the member 1 carrying the claw 2 is pivoted at 1<SP>1</SP> to a lever 3 pivoted at 4 and oscillated by a crank disc 5 with a pin 6. The member 1 and the lever 3 are forked at 8, 3<SP>1</SP> respectively, the fork 8 being narrower. Both forks embrace a pin 9, there being no lost motion within the fork 8. The pin 9 is carried on an arm 10 on a frictional pivot 11. During a clockwise stroke of the arm 3 the upper members of the forks 8, 3<SP>1</SP> strike the pin 9 and are brought into alignment thus rotating the member 1 anticlockwise to insert the claw into a film perforation. If there is no perforation opposite the claw the pin 9 and arm 10 are pulled downwardly until the claw can enter a perforation and rotation of the member 1 then takes place. By an inverse process anticlockwise rotation of the arm 3 withdraws the claw from the film. A lever 17 driven by friction from the lever 3 actuates, between stops 18, 18<SP>1</SP> a pivoted lever 13 carrying a shutter 12.
Patent GB-1001071-A (GB)
Title: Improvements in or relating to the cutting of synthetic material
IPC: B26D7/26
Filed: 1962-04-17
Abstract: 1,001,071. Cutting brittle material. H. KOLBE, and H. KOHLER, [trading as FUBA WERK ELEKTRONISCHER BAUTEILE & GERATE, H. KOLBE & CO.]. April 17, 1962 [April 28, 1961], No. 14887/62. Heading B5E. Brittle synthetic material, such as hard paper, is severed by moving the material relative to at least one of a pair of severing edges which are mounted with an overlap x for relative movement in parallel planes and form a converging path in the direction of relative movement, the severing edges at the end of the path being spaced apart by a distance less than the thickness of the material to be severed. Severing may be effected by two rotary tools driven at the same velocity in opposite directions or by a rotary tool co-operating with a straight cutting edge. The depth of cut (y-z) to cause fracture is adjustable together with the width of overlap x.
Patent GB-112009-A (GB)
Title: Improved Coupling for Eccentric Shafts.
IPC: F16D3/04
Filed: 1917-10-16
Abstract: 112,009. Akt.-Ges. Brown, Boveri, et Cie. Dec. 6, 1916, [Convention date]. Conveying rotary motion.-In means for coupling eccentric shafts in which the velocities are substantially uniform, crank pins f<1>, f<2> on a disk or the like on one shaft carry rods s<1>, s<2> pivoted to toothed segments z<1>, z<2> meshing together and turning on crank pins d', d<2> on a disk on the other shaft. The rods may be jointed to the segments on either side of their pivots. Ball joints may be used to allow for angularity of the shaft axes and spring means may be inserted to prevent shocks. Specification 18267/00 is referred to.
Patent GB-529020-A (GB)
Title: Improvements in or relating to electrical signalling systems
IPC: H04Q1/442
Filed: 1939-05-19
Abstract: 529,020. Thermionic relay circuits. SIEMENS BROS. & CO., Ltd., and CRUTCH, L. S. May 19, 1939, No. 15007. [Class 40 (v)] An alternating current signal receiver, e.g. for impulse trains in an automatic telephone system, for operating one or more electromagnetic relays, comprises a thermionic valve amplifying circuit operating as a volume expander by virtue of a negative feed-back path containing non-linear impedances. The receiver discriminates against low load interference such as stray carrier when the signals are sent in a suppressed carrier system. As shown, relay A is controlled by the rectifier output of valve V having a negative feed-back circuit comprising inductance L shunted by parallel oppositely-poled rectifiers R, which are blocked to direct current by condenser QB. In a modified circuit, Fig. 2 (not shown), the output circuit of the valve is shunted by a potentiometer, one part of which comprises parallel oppositely-poled rectifiers which are also in the input circuit.
Patent GB-1106071-A (GB)
Title: Improvements in or relating to the treatment of cutting edges
Inventor: WATSON HUGH ROBERT
IPC: C08F2/52
Filed: 1964-04-11
Abstract: A method of forming a polymer coating on an article having a cutting edge comprises passing a glow discharge through a gaseous monomer, from which the polymer is to be formed, adjacent to the article whereby a polymer coating is formed on the article.  The monomer may be a hydrocarbon, halogen-substituted hydrocarbon or alkylsiloxane. Specified articles are razor blades, surgical scalpels, culinary knives and garden tools.  Apparatus suitable for carrying out the method of the invention is described and illustrated, and examples describe the coating of razor blades by passing glow discharges through (I) 1-hydroperfluoropropane and (II and III) dibromodifluoromethane, and the coating of knife edges by passing glow discharges through (IV) ethylene.ALSO:Polymer coatings are formed on articles having cutting edges by a method wherein a gaseous monomer is treated by passing a glow discharge therethrough and the treated gas contacts the article and deposits thereon to form the polymer coating.  Specified articles are razor blades, surgical scalpels, culinary knives and garden tools.  The monomer may be a hydrocarbon, halogen-substituted hydrocarbon or alkyl siloxane, and may be mixed with an inert diluent gas.  Apparatus suitable for carrying out the method is described and illustrated and examples describe the coating of razor blades by glow discharge polymerisation of (I) 1-hydroperfluoropropane and (II and III) dibromodifluoromethane, and the coating of knife edges by glow discharge polymerisation of ethylene.ALSO:Surgical scalpels and hypodermic needles are provided with polymer coatings by a method wherein a gaseous monomer is treated by passing a glow discharge therethrough and the treated gas contacts the scalpel or needle and deposits thereon in the form of a polymer coating.  The monomer may be a hydrocarbon, halogen-substituted hydrocarbon or alkyl siloxane, particularly 1-hydroperfluoropropane, dibromodifluoromethane or ethylene, optionally mixed with an inert diluent gas.