baber/WOPTO huggingface dataset:
Patent GB-248923-A (GB)
Title: Improvements in grate bars for furnaces
IPC: F23H1/04
Filed: 1925-03-10
Abstract: 248,923. Schoene, H. E. March 10, 1925. Grates.- A furnace grate bar comprises one or more relatively thin web members supporting a head member of relatively greater width, the web and head members being formed as separate units which are free to extend relatively to, and are readily detachable from, each other. In the form shown in Figs. 1 and 2 each headmember comprises a T- shaped casting a detachably attached by bolts c and tubular spacing parts d to twin webs b provided with openings e, whilst in the form shown in Figs. 3 and 4 single webs b each support a head member g which extends on one side in the form of a flange and on the other side in the form of an angular extension. In order to allow for relative expansion of the web and head members, the bolts c, Figs. 1 and 2, may pass through longitudinal slots f in the webs b or, shown in Figs. 3 and 4, the lower edges of the head members may merge with a gradual curvature into approximately central downward extensions k which are secured to the webs b bv means of bolts or rivets, the ends of the head members resting freely on the webs. The webs may extend the full length of the grate and support a number of head members arranged end to end with gaps l, Figs. 3 and 4, between the shoulders h which project on each side of the ends of the head members. Various arrangements of the gaps l are described and illustration in the Specification. Reference has been directed by the Comptroller to Specifications 12182/12 and 145,948.
Patent GB-199773-A (GB)
Title: Improvements in spanners and wrenches
IPC: B25B13/52
Filed: 1923-01-08
Abstract: 199,773. Vane, F. B. Jan. 8, 1923. Chain and like wrenches. - A wrench having a ratchet action comprises a series of links 6 each slightly longer than one face of the nut 9 for which it is designed, the two end links being pivoted to a handle 5 at points 7, 8 spaced apart approximately the length of the face of the nut. A notch 10 is provided between the pivots 7, 8 leaving two projections 11, 12 each adapted, in one direction of movement of the handle, to act as a stop against the adjacent face of the nut and cause the links to tighten thereon. The notch 10 enables the links to be passed over the nut and also allows a ratchet action of the wrench. In various modifications, one of the end links may be detachably connected to the handle, the latter being slotted to engage the link, a lateral projection may be provided on one of the links or on the handle to prevent the tool slipping right down over the nut, the inner faces of the links may be hollowed out to give the necessary clearance and the links 6 may be sub-divided into shorter links. In another modification the links 6<a>, 6<b>, 6<c> are replaced by a rigid piece, and in a further modification the link 6<b> is replaced by a handle similar to the handle 5. The links may be pivoted by pins, hooked together, or hinged.
Patent GB-247028-A (GB)
Title: Improvements relating to hand-mirrors and brushes for toilet use and to other like articles
IPC: A45D42/08
Filed: 1925-03-11
Abstract: 247,028. Green & Co., Ltd., C. S., and Green, C. S. March 11, 1925. Mirrors.-To facilitate grip, the major crosssectional axis of the handle is arranged at an angle to the plane of the mirror. The shell of a mirror is formed of two sheet metal stampings 3, 4, Fig. 10, of the same size, the handle parts of which are soldered together, while the rim 8 surrounding the opening 8<a> in the part 4 is secured to the flange 3<a> on the back part 3. The glass is held in place by a flange-member 10 sprung beneath the rim 8. The cross-section of the handle may be rectangular or triangular, Fig. 12, and if desired may be solid; the major axis may be inclined or at right angles as shown to the plane of the mirror.
Patent GB-1040274-A (GB)
Title: Improvements in and relating to counting apparatus
Inventor: TELCO PAUL
IPC: G06M1/10
Filed: 1963-02-19
Abstract: 1,040,274. Counting-apparatus. TELCO Ltd- Jan. 7, 1964 [Feb. 19, 1963], No. 6742/63- Heading G4D. [Also in Division G1] The output of a production machine is counted by arranging that the weight of each article produced 6 should affect a flexible die 5 and therefore a transducer 3 during its passage through the machine. The output of the transducer is amplified to energize a relay and actuate a counter. The transducer may be in form of a pick-up of electromagnetic capacitative or piezo-electric crystal type or may be a resistance-strain gauge. Specifically, the invention is applied to a thread-rolling machine.
Patent GB-575822-A (GB)
Title: Improvements in and relating to electric brake systems
IPC: H02K49/04
Filed: 1944-04-13
Abstract: 575,822. Brakes. BRITISH THOMSONHOUSTON CO., Ltd. April 13, 1944, No. 6803. Convention date, April 16, 1943. [Class 103 (i)] A brake system comprises an electrically operated brake having a stationary casing with exciting windings 16 and polepieces 15, a rotating electrically - inductive member 20 formed as an impeller for circulating cooling fluid through the brake, the rotating member being driven from the member to be braked, and a heat-exchanger 27 in the circulating system cooled by a fan 35. As shown, the invention is applied to a railway vehicle axle 10 and a pair of eddy current brakes on a common shaft are driven from the axle through gearing 23. The fan 35 is driven by a turbine wheel 36 in the circulation system. Valves 30, closed by springs 31, are opened by the excitation of solenoids 33 preferably connected in shunt across the control resistances 34 and the windings 16. Alternatively, the solenoids may be in series with the windings 16 or may be separately excited. The circulation system is thus closed when the'windings 16 are de-energized, thus avoiding waste of energy by the impeller during normal running. The rotor 20 may include a squirrel-cage winding of radial conductors and circumferentially extending end rings, or it may have a surface of low resistance material. If conductors are provided, they may be made tubular for the passage of coolings fluid. The sustem may be combined with an air-brake system to reduce brake shoe and wheel wear.
Patent GB-1276818-A (GB)
Title: Apparatus for cutting flexible sheet material
Inventor: HAWKES WILLIAM ERNEST
IPC: C14B5/00
Filed: 1970-02-12
Abstract: 1276818 Cutting-out apparatus VAUXHALL MOTORS Ltd 19 April 1971 [12 Feb 1970] 6820/70 Heading B4B Apparatus for cutting flexible sheet material, e.g. carpet, comprises a cutter blade support 25 and a back-up assembly 13 by which rolling pressure can be applied to sheet material laid across a cutter blade 27 on the support. The support 25 is mounted on a base 1 provided with a pedestal 3, 5 on which is pivoted a frame 7. The back-up assembly 13 is mounted on the frame 7 and is counterbalanced by a weight 11. The assembly 13 includes a curved back-up plate 37 connected by members 47, 49, Fig. 1, provided at each side of plates 31, Fig. 3, which are mounted on a beam 33 forming part of the frame 7; the back-up plate has a wear resistant surface 45, e.g. of nylon. A shaft 53 connects the pairs of members 47, 49 and passes through curved slots 35 formed in the plates 31; rollers 57, Fig. 3, are mounted on the shaft 53 for cooperation with the slots. The plates 31 are also formed with cam-shaped apertures 39 which co-operate with rollers 61 on the members 49. The shaft 53 is connected to the piston of a pneumatic cylinder 139 so that upon actuation of the latter the plate 37 is caused to be lowered and then rolled over material placed on the knife 27. Two further pairs of back-up assemblies 15, 17 are mounted on the frame 7, a pair on each side of the assembly 13. The assemblies 15 are similar to the assembly 13 except that they operate at substantially right-angles to the latter assembly. Each assembly 17 includes a pair of roller carriers 63, Fig. 5, pivotally mounted on a beam 81 and connected by links 65, the rollers (103), Fig. 6 (not shown), of each carrier being urged by springs 89 against a flexible plate 113 of, e.g. nylon. The carriers are movable by means of a pneumatic cylinder 139so that as the rollers ride over the nylon plate it is flexed and thereby forces the material into contact with a knife 29, Fig. 5; the knife may be moved within the limits of a slot 24 by means of a pneumatic actuator 23.
Patent GB-379235-A (GB)
Title: Manufacture of shaped artificial sponge masses from viscose
IPC: B29C44/00
Filed: 1932-03-07
Abstract: Artificial sponges of more regular density are made by pressing the viscose containing a substance adapted to form pores into a tubular mould, coagulating the viscose by heat, and after removal of the pore-forming substance from the solidified mass, cutting the latter into sections perpendicular to its longitudinal axis. The lateral dimensions of the tubular mould are so chosen as to permit of the obtaining of sponges of the correct size simply by cutting sections as described above; and the section of the mould may be round, oval or angular, and its surface may be flat, undulating or grooved.  The mould may be in one piece or it may be divided longitudinally, and it is conveniently charged by worm gear.
Patent GB-171414-A (GB)
Title: Improvements in or relating to display devices
IPC: G09F7/04
Filed: 1920-12-06
Abstract: 171,414. Gee, F. S. Dec. 6, 1920. Word-building, number-building, and like apparatus; blackboards.-Relates to changeable letter &c. signs, toys, blackboards, &c., of the type in which a baseboard fitted with permanent or electromagnets spaced apart substantially uniformly and with their pole faces at or near the display surface holds thereby characters mounted on tablets composed wholly cr partially of magnetizable material. Horseshoe magnets C are arranged in rows in staggered relationship so that their yokes rest on a backing A, and spacing strips B<1> running the length of the backing A and attached thereto at each end are placed between each row of magnets C, and are recessed to engage the outsides of the magnet shanks D. Retaining strips B secured at the ends to the backing A preferably are provided to lie between the magnet shanks D, and may be recessed to engage the insides of the shanks. The board presents a smooth unbroken surface, and may be covered with silk &c. F and enclosed in a frame G. The tablets H may be stamped out of sheet metal in the form of letters and have their outer surfaces coated with celluloid, enamel, &c., or may be of cardboard, celluloid &c., provided with magnetic material over all or part of the back. The strips B, B<1> may alternatively be secured to the backing A by wire rods threaded laterally through the strips and tightened up by nuts screwed on the ends. The staggered arrangement of magnets is not adopted with this construction.
Patent GB-520773-A (GB)
Title: Centrifugal self-priming pump
IPC: F04D9/02
Filed: 1939-03-03
Abstract: 520,773. Centrifugal pumps. RUPP, H. E., and GORMAN, J. C. March 3, 1939, No. 7025. Convention date, March 7, 1938. [Class 110 (i)] The impeller of a self-priming pump discharges through a volute 12 into a chamber 11 having a delivery connection 18. A port 28 cut in the side-wall 26 of the impeller chamber admits water from the chamber 11, to the side of the impeller when the presence of air in the inlet 13 reduces the pumping pressure. The air is entrained by the water and discharged. When there is no air present in the inlet, the rush of water in the impeller across the port 28 prevents the re-entry of water from the chamber 11. The wall 26 is removable. The shaft is mounted on bearings 31, 32 and runs in a stuffing-box 33a.
Patent GB-569155-A (GB)
Title: Improvements relating to the manufacture of articles composed of polymerised thermo-plastic materials
IPC: B29C45/23
Filed: 1943-05-04
Abstract: 569,155. Electric heating. FERGUSON, A. D., METROPOLITAN-VICKERS ELECTRICAL CO., Ltd., and BRIDGE & CO., Ltd., D. May 4, 1943, Nos. 7042/43 and 3654/44. [Class 39 (iii)] [Also in Groups V and XXIX] The figure shows a container 15, for heating plastic material which includes a materialcontaining tube 25 the bottom part of which is heated by an electric resistance 26 wound there-around. The resistance element proper may be embedded in magnesium oxide covered with a protective metal sheath. The resistance is clamped against the tube by halfsleeves 27. An aperture 37 in the bottom of the tube registers with an aperture 34 in an asbestos bottom plate 33. The material in the tube may be stirred. Egress of material from the tube is controlled by a manuallyoperated scissors-like valve 39. The upper part of the tube 25 may be kept filled with inert gas.
Patent GB-705655-A (GB)
Title: Improvements in or relating to bearings for gyroscopic instruments
IPC: G01C19/16
Filed: 1950-03-21
Abstract: 705,655. Bearings. REID, G. H. June 21, 1951 [March 21, 1950], No. 7053/50. Class 12(1) A gyroscopic instrument has its gyro rotor'element 24 mounted in a gimbal frame element 14 by means of a bearing assembly which comprises in combination a spigot race member 30 on the gyro rotor spindle 28, a cup race member 32 screw threaded into the gimbal frame 14 so as to be axially adjustable relative to the spindle 28, a circular row of balls 31 interposed between the cup member and the spigot member, and a dust protecting device comprising an annular flange 42a on one element engaging a groove 44a in the other element with small clearance. As shown the flange 42a is on a cup member 40a secured to the rotor element shaft 28. Similar bearing assemblies are provided for mounting the gimbal frame element 14 upon a body 10 but no axial adjustment means is provided.
Patent GB-1306272-A (GB)
IPC: F16D65/78
Filed: 1970-02-13
Abstract: 1306272 Hydrostatic braking DAIMLERBENZ AG 13 Feb 1970 [15 Feb 1969] 7084/70 Heading F2E A vehicle has a hydrostatic pump 1 driven by one or more wheels 2 and acting as a braking means and to permit of different braking forces being obtained, regulating or control devices are provided by which the delivery of the pump 2 and/or the pressure in the pump circuit is selectable by means of an externally actuated member. As shown in Fig. 1 the pump circuit is set for constant pressure by a pressure limiting valve 3 and the stroke of the pump 2 is adjustable; the circuit also includes a cooler 4. As seen in Fig. 4 (not shown) the pump circuit includes an adjustable pressure limiting valve (8) whilst the stroke of the pump (7) is non- adjustable; a similar arrangement is seen in Fig. 7 (not shown) but a by-pass (9) is provided across the pump the by-pass including a valve (11) responsive to pressure downstream of an orifice (10). As shown in Fig. 10, the pump circuit includes an adjustable pressure limiting valve 13 and the stroke of the pump 12 is adjustable by a servo arrangement which regulates the delivery in dependence on the pressure upstream and downstream of an orifice 15; the servo arrangement is fed by a pump 17 and the servo pressure is applied via a control piston 19 to a servo piston 20 connected to stroke-adjusting means of the pump 12. The pump 12 can be set at zero stroke by an electrical switch 23. As seen in Fig. 13 (not shown) simultaneous variation of the delivery pressure and in dependence thereon the stroke of the pump is obtained by a servo arrangement. As seen in Fig. 16 (not shown) the pressure in the pump circuit is selected and a servo-arrangement adjusts the stroke of the pump to give constant power at the selected pressure. Monitoring or warning devices are provided which are operated in dependence on the temperature in the hydraulic circuit.
Patent GB-1022835-A (GB)
Title: Apparatus for aligning cigarette or like tubes
Inventor: WILDE FRIEDRICH
IPC: A24C5/33
Filed: 1964-02-20
Abstract: 1,022,835. Endless conveyers. TABAKUND INDUSTRIEMASCHINEN DRESDEN VEB. Feb. 20, 1964, No. 7098/64. Heading B8A. [Also in Division A2] Two parallel rows of cigarettes 1 to be brought together to form a single row are conveyed from a cigarette making machine by a conveyer 2 which is guided over rollers 3 and 4. The cigarettes are guided off the conveyer 2 at the roller 3 by guide wires 10 and 11. The row of cigarettes on the guide wires 10 is led downwardly and back on to the conveyer 2 after the conveyer has passed the roller 4. The other row of cigarettes on the guide wires 11 passes to chains 12 which are diagonally disposed over the conveyer 2. The chains 12 run around sprockets 27 disposed above a shoot 29 and about sprockets mounted on a shaft which is driven by a belt from a pulley on the shaft of the roller 3. Cigarettes on the guides 11 are thus conveyed both axially and transversely and discharged down the shoot 29 on to the row of cigarettes from the guides 10 already on the conveyer 2.
Patent GB-867697-A (GB)
Title: Single-lens reflex camera
IPC: G03B19/12
Filed: 1960-03-01
Abstract: 867,697. Photographic cameras. AGFA A G. March 1, 1960 [March 3, 1959], No. 7278/60. Class 98(1) In a single-lens reflex camera having a mirror assembly including a cover plate for screening light penetrating the viewfinder eyepiece from entering the taking lens beam during exposure, the said assembly is arranged for linear movement to remove the mirror from the taking lens beam and to position the said cover plate, and means are provided on said assembly for engagement with a film in the camera to advance the same. The mirror assembly (shown in the viewing position), comprises a slide 4 sliding on a guide 3, a mirror 5, and a cover plate 6. On depression of camera release 12, pin 12a disengages from latch 13 on plate 6, the mirror assembly runs down to the left to the taking position under spring loading, and the shutter release 14 is operated by projection 16 on slide 4. The camera is reset by an anticlockwise rotation of lever 7, whereby cam 9 rigid therewith engages contact member 10 on slide 4 and moves it to the right, spring urged pawl 17 on plate 6 engages in a perforation of the film stored in spoolless cassettes 2 for advancing it to the right, and projection 16 sets the shutter by means, of cocking pin 15.
Patent GB-1404878-A (GB)
Title: Track circuits
IPC: B61L1/18
Filed: 1973-02-14
Abstract: 1404878 Track circuit WESTERN INDUSTRIES PTY Ltd 14 Feb 1973 [15 Feb 1972 13 Oct 1972] 7344/73 Heading B7N In a continuous rail track circuit for points sections and crossings, the circuit is centre fed via transformer 14 from A.C. source 13 and the extremities of the circuit, which are short circuited by series circuits 9 resonant at the source frequency, are connected to an AND circuit 12 which requires the presence of an input from each extremity before a track clear signal is provided to signalling apparatus.
Patent GB-102686-A (GB)
Title: A New or Improved Screw-cutting Tool and Tool-holder therefor.
Inventor: TURNER ALBERT
IPC: B23B27/12
Filed: 1916-05-24
Abstract: 102,686. Turner, A., Turner, W. E., and Richardson, H. May 24, 1916. Screwing; turning; tool-holders.-A chaser is made in disk form detachable from the shank, into which it may be screwed at a<1>, Fig. 1, or on to a polygonal part b<1>, Fig. 8, of which it may be secured. The part b of the shank is circular and is secured, after angular adjustment, in a bore formed in the thickened end of a plate e drilled to suit the slide-rest bolts. The bore is flanged and slit for clamping at g. A sliding gauge j is employed to set the cutting-edge to the correct height. The plate e may be arranged as a flat turret and provided with a series of tool-holding bores and a single hole for a locating-pin to engage a series of holes in the slide-rest. Reference has been directed by the Comptroller tu Specifications 4068/99 and 25589/99.
Patent GB-1256464-A (GB)
Title: Drill chuck
Inventor: BILZ OTTO
IPC: B23B31/107
Filed: 1970-02-17
Abstract: 1,256,464. Chucks. 0. BILZ. 17 Feb., 1970, No. 7454/70. Headings B3B and B3C. A drill chuck of the kind comprising a tool socket 9 held against relative rotation in an outer socket member 2 and provided with adjustable detent means which normally prevents relative axial motion of the tool socket relative to the outer socket member, but which yields to release the socket for such axial motion when the axial force exerted by the drill upon the socket exceeds a limit determined by the said detent means, is characterized in that the detent means comprises a detent rod 10 connected to the tool socket 9 and provided near its rear end with a peripheral groove 11 in which engage detent balls 12 partially located within an annular gap formed between a stop ring shoulder 13 and a pressure ring 14 which is pressed against the detent balls by an adjustable pressure spring 15 which is adjusted by an abutment ring 16 screwed into the outer socket member 2. Movement of the rod 10 rearwardly moves a member 20, which carries a transverse pin 22, to move and extend sleeve 24 to indicate the position of the rod 10. Movement of the sleeve 24 rearwardly uncovers an indicating ring 25 which may be a coloured ring, luminous, or may contain radio-active substances to actuate a suitable control instrument. The rearward movement of the rod 10 may operate optical and/or acoustic and/or electrical means for stopping a drilling operation. The socket 9 and outer socket member 2 may be constituted as a separate unit which is engaged with a shank 26 by means of a quick release chuck. The shank 26 is integral with an outer housing 1 which receives the tubular extension of the outer socket member 2 with a non-rotatable connection. Balls 4 lock into a groove 3 when a spring biased sleeve 5 is moved rearwardly. A spring biased stop ring 7 is engaged by the end of the outer socket member 2.
Patent GB-159892-A (GB)
Title: Improvements in and relating to fuel supplying devices for internal combustion engines
IPC: F02M69/00
Filed: 1921-03-08
Abstract: 159,892. Benkert, H. March 9, 1920, [Convention date]. Regulating. - A liquid - fuel nczzle 16 has two passages 56, 57 directly opposed, the fuel dividing into two streams or jets which impinge as they issue intermittently from the passages. As applied to a spray carburettor, a pump 4, Fig. 1, draws fuel from the float chamber 1 and supplies it to the nozzle, the supply being controlled by the valve 14. This valve is worked by an axiallyslidable cam 24 on the rotating shaft 31 under the control of a governor 26, the governor also adjusting the air-admission valve 36. For vehicles the governor is not used, the cam and valve being adjusted by hand. As applied to an engine in which the fuel is sprayed in the combustion chamber, the pump supplies to an injection chamber 48, Fig. 4, past a non-return valve 55; a spring-actuated plunger 49 is held back by a cam 54 which rotates in synchronism with the fuel-valve cam 24. The cams 24, 54 are adjusted axially together by the governor.
Patent GB-376729-A (GB)
Title: Improvements in and relating to chairs
IPC: A47C5/14
Filed: 1931-03-12
Abstract: 376,729. Chairs. FORD, G. W., Racine Works, Garden Street, Sheffield. March 12, 1931, No. 7590. [Class 52 (ii).] In a chair having a back of bent plywood, the back d is wide at its upper part and narrow at its lower part, and is secured to the arms c by being let into a recess e therein, while its base is let into a groove h in the seat b. Two separate recessed arms may be provided, or a single recessed bow may be used.
Patent GB-452307-A (GB)
Title: Improved brassiere or bust-bodice
IPC: A41C3/00
Filed: 1935-03-12
Abstract: 452,307. Brassieres. GREIG, J., 66, Gloucester Place, Portman Square, London. March 12, 1935, No. 7667. [Class 141] A brassiere comprises a one-piece body portion 1 preferably of elastic material which extends around the body of the wearer, and has its ends secured together at the middle of the wearer's back, and breast supports 4 which are secured to the upper edge of the portion 1, and support only the lower parts of the breasts. The breast supports 4 are strengthened by lines of sewing 5, and have tapes 7 secured thereto which are joined together above the breasts, and to a shoulder strap 8. In a modification, the edges of each breast support comprise two arcs, the lower arc having a shorter radius than that of the upper arc.