baber/WOPTO huggingface dataset:
Patent GB-1243415-A (GB)
Title: Improvements in or relating to multi-roller brake and clutch construction
Inventor: NASVYTIS ALGIRDAS LEONAS
IPC: F16D51/12
Filed: 1969-05-14
Abstract: 1,243,415. Friction clutches; ratchet clutches; slip clutches; internal shoe drum brakes. T.R.W. Inc. 14 May, 1969, No. 24683/69. Headings F2C and F2E. A friction clutch or brake comprises an actuating cam 10b acting through roller toggles 36, 42, 43; 37, 44, 45; 38, 46, 47 to move friction shoes 16 ... 21 radially outward against the bias of a return spring 26 into engagement with a surrounding drum 11a. As shown in a one-way clutch anti-clockwise rotation of a driving shaft 10 fast with the actuating cam 10b acts through the roller toggles to expand the shoes 16 ... 21 radially into engagement with a driven drum 11a. On overrun of the drum 11a the spring 26 retracts the friction shoes 16 ... 21 for clutch disengagement. Segments 28 of low friction material may be interposed between the roller toggles and the friction shoes. The friction shoes 16 ... 21 are carried by a carrier 15 freely rotatable on the input shaft 10. The inertia of the carrier being sufficient to permit rotation of the shaft 10 relative to the carrier during clutch engagement. In Fig. 3 (not shown) springs (101) between the actuating cam and carrier bias the cam in a clutch-engaging direction which is opposite to the driving direction. When the driving torque exceeds the bias of the springs (101) the actuating cam rotates relative to the carrier to permit clutch slip and thus limit the torque transmitted. In Figs. 4 and 5 (not shown) the driving shaft is fast with the carrier whilst a bidirectional actuating cam is fast with the driven shaft. When the driving torque exceeds a predetermined value determined by the return spring, the actuating cam rotates relative to the carrier and acts through the roller toggles to move the friction shoes radially outwardly into engagement with a fixed ring (230) to brake the driving shaft. A bi-directional cam may be provided in a clutch having a roller toggle operating the friction shoes.
Patent GB-870929-A (GB)
Title: Improvements in and relating to domestic fireplaces
IPC: F24B1/19
Filed: 1959-07-18
Abstract: 870,929. Open fireplaces. STATON, T. C. April 12, 1960 [July 18, 1959], No. 24738/59. Class 126. The surround 10 of a solid fuel open fireplace extends around all sides of the fire opening 13, a grate 20 being supported at the base of the opening and an ash pan 17 being located, by lugs 21, below the grate 20 and behind the lower part of the surround. The grate 20 and a front fret 29 are supported by a frame 24 resting on a ledge 23 near the top of the ash space 16. The grate is preferably made in two parts and the fireback 30 and cheeks 31 may be as shown or a unitary casting. Combustion air enters through a damper controlled aperture 27. The surround is tiled and has a frame 12 defining the opening 13. According to the Provisional Specification, the ash pan is supported by means of a flange at its upper edge which rests on the ledge 23 and has holes in its upper part through which combustion air passes to the grate.
Patent GB-1498685-A (GB)
Title: Housing for taximeters
IPC: G07B13/02
Filed: 1975-06-10
Abstract: 1498685 Housings for taximeters KIENZLE APPARATE GmbH 10 June 1975 [11 June 1974] 24814/75 Heading G4T A housing for a taximeter comprises a first part G 1  which is firmly attached to a vehicle in use by means of sealed screws and which carries the taximeter fare calculating and fare indicating means and receives various cables at its rear (Fig. 3, not shown) and a second part G 2  which is attached to first part G 1  from the front side by sealed screws and which has at least one cutout to reveal the fare indicating means and has permanently attached thereto the actuating means for manually changing the operating condition of the taximeter. In the embodiment shown, an electronic taximeter TW has displays PA, ZA for the tariffs, lights AD and a plug-in programmable read-only memory PROM which may be replaced by another PROM set for different tariff rates. Housing G 2  has a slot N engageable with base B of part G 1 , windows for displaying the fare indicating means in front plate SD and switches SG for operating the taximeter.
Patent GB-281432-A (GB)
Title: Improvements in high pressure steam turbines
IPC: F01D1/04
Filed: 1926-07-02
Abstract: 281,432. Marks, E. C. R., (Erste Br³nner Maschinen Fabriks-Ges.). July 2, 1926. Drawings to Specification. Axial-flow type.-In a multi-stage disc-wheel impulse turbine the relative steam velocity and the chamber pressure in each stage where the pressure is more than 30 atmospheres are so related that the surging shock lies between 0.2 and 0.25 atmospheres. Specifications 214,801 and 230,806 are referred to.
Patent GB-378662-A (GB)
Title: Wireless receiver operating over two wave bands
IPC: H03J3/06
Filed: 1931-09-04
Abstract: 378,662. Valve amplifying circuits. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.-(Assignees of Wheeler, H. A. ; 18, Melbourne Road, Great Neck, New York, U.S.A.) Sept. 4, 1931, No. 24850. Convention date, July 16. Class 40 (v).] A coupling system for use in a wireless receiver operating over two wave bands is arranged to operate with equal efficiency over the whole of each band. Fig. 1 shows an aerial coupling comprising primary windings 20, 21 resonant to frequencies below the lowest frequencies of the respective bands coupled magnetically and by capacity 19, in the sense shown in the drawing, to the secondary windings 22, 23. The inter-valve coupling comprises a primary winding 30 resonant to a frequency between the wave bands, coupled magnetically and by condenser 29 to the secondary windings. In a modification (Fig. 2 (not shown), the winding 20 of the aerial coupling is dispensed with and the primary is oppositely coupled to the secondaries and magnetic and additive capacitive couplings are used. Fig. 9 shows the construction of such a transformer the coupling capacity being provided by winding 18 which is provided at the required tapping point.
Patent GB-584172-A (GB)
Title: Improvements in and relating to holders for toilet paper
IPC: A47K10/38
Filed: 1944-12-12
Abstract: 584,172. Holders for toilet paper. RICHARDSON, H. A. Dec. 12, 1944, No. 24936. [Class 18] A box-like container accommodates a roll of toilet paper on a fixed or. movable spindle so that the portion next for use may be drawn through a slot, means being provided for locating a pad of interleaved or other separate sheets, discharging through the same slot, for alternative use. The container may comprise an open-ended box having an aperture 11 in the front, a closure plate 14 carrying a fixed spindle 15 being provided for the open end. A threaded metal rod 17 moulded into the spindle, passes through an aperture in the end 10, and is secured by a nut 18. Two ribs, 13 are formed on the upper and lower sides of the container, and serve to retain the pad. A knife edge may be secured to the inner lower edge of the aperture 11, and aligned apertures 20 may be provided on the top of the container to provide - anchorages for detents on an ash-tray. The container may be made of moulded plastic material such as that sold under the Registered Trade Mark "Bakelite." According to the Provisional Specification, the spindle may be fixed on the non-removable end and may hold the removable end plate in position by means of a nut on a threaded stem.
Patent GB-461908-A (GB)
Title: Improvements in, or relating to, shearing heads for sheep and other animals
IPC: B26B19/24
Filed: 1935-09-07
Abstract: 461,908. Hair and wool clippers. WOLSELEY SHEEP SHEARING MACHINE CO., Ltd., and WATTS, J. H. Sept. 7, 1935, No. 24942. [Class 131] In a sheep-shearing machine, the rocker A driving the cutter C has a single fork B having three prongs, the inner prong b<1> being horizontally pivoted in relation to the two outer prongs b, each prong having a downward projection b<2>, b<3> entering a hole in or near each tooth of the cutter. The middle prong is pivoted at D and pressure is applied thereto by a dolly pin E. A transverse plate F riveted to the underside of the prongs b, b has downward projections f entering comparatively large holes in the cutter. Normally, these projections lie freely in the holes and transmit no drive, but they serve to prevent the detachment of the cutter in the event of the disengagement of the projections b<2>, b3 from the holes of the cutter. In a modification, Fig. 4, the middle prong b 1 is rigid with the rocker and the two outer prongs b join into a yoke G which is pivoted at D to the rocker. The rocker and the pivoted part may have more than one pivot hole so that the position of the pivot and hence the relative pressure of the outer and middle prongs may be'varied.
Patent GB-203528-A (GB)
Title: Improvements in or relating to the ventilation of cavity walls and building structures
IPC: F24F7/04
Filed: 1922-09-15
Abstract: 203,528. McLean, D. Sept. 15, 1922. Ventilating conduits, passages, and pipes, arrangements and adaptations of. - Means for ventilating cavity walls and the spaces, beneath the floors of a building comprise a pipe 1 arranged immediately beneath a fireplace and having extensions 3, 5 running under the floor to the hollow walls 4, 6. The space below the floor is fitted with an air brick 10 and a current of air, induced by the heating of the pipe 1, enters a short open pipe 7 and, traversing the pipes 1, 3, 5, passes to the hollow walls from which it escapes through an outlet which may be provided with a draught inducer. To assist the flow of air into the pipe 7, a pipe 9, arranged in the chimney and fitted with a cowl, terminates at its lower end in a bell mouth arranged immediately above the junction of the pipes 1, 7. Specifications 153,758, [Class 20 (iv), Floors &c.], and 190,021 are referred to.
Patent GB-1046021-A (GB)
Title: Improvements in or relating to character-writing or print-out devices
Inventor: TOOLEY MICHAEL DENT
Filed: 1961-07-10
Abstract: 1,046,021. Selective printing. GENERAL PRECISION SYSTEMS Ltd. Oct. 10, 1962 [July 10, 1961], No. 24996/61. Heading B6F. In an inkless stylus character printer for printing flight progress strips the characters are printed on a paper strip 31 or 31a, Fig. 1 continuously advanced in the direction of its length through a printing station, where it is constrained by clips 36 to a shoe member 35 having a curvature cylindrical about an axis parallel to the said direction and the said strip is printed upon by styli 45 driven continuously in a circle about the said axis. The styli 45 are carried on a cylindrical rotor 43 on the annular surface thereof and are electrically associated in four interspersed groups A ... D, each group consisting of six styli spaced uniformly and connected to a respective slip ring A<SP>1</SP> ... D<SP>1 </SP>on the circumference of the rotor 43. Each group is capable of printing a complete set of characters when supplied by an appropriately synchronized succession of mark/space signal trains through a spark generator (not shown), each group of styli being capable of printing at a different one of four levels on the paper strip. In addition the styli are adapted to print three different sizes of characters and more than one stylus group may operate simultaneously to print at different levels the same or different characters in any size selected. Printing of a character is effected by a stylus burning away by a spark a white layer on a spark sensitive paper leaving exposed the black carbon, the black markings thus produced by a group of styli defining a character. Paper strips, webs feeding, guiding and clamping arrangements.-A paper strip 31 is drawn from a supply roll 32, Fig. 1, advanced down a mandrel body 33 round a free guide roller 34 and back along a curved shoe member 35 and the strip is constrained by spring clips 36. The paper strip is fed by rollers 37, 38 the latter being driven through a wheel and worm connection 39, 40 by a shaft 41 and electrical motor 44. A second paper strip 31a, being of different colour is fed in a similar manner. The paper strip feed assembly is mounted on cantilever brackets (not shown) pivotally supported about an axis PP so that the paper strips may be disengaged from the drive or be brought into the printing station, one at a time, inside the rotor 43 into contact with a set of printing styli 45. In another embodiment described in the Provisional Specification the paper strip may be wound round almost into a complete cylinder and fed through a guide tube within which four styli, one for each group, rotate at a speed six times higher than in the embodiment described above and the styli print on the inner surface of the paper strip instead of the outer one as described in the above embodiment.
Patent GB-320474-A (GB)
Title: Improvements in and relating to horse and like velocipedes for children
IPC: A63G19/00
Filed: 1928-08-31
Abstract: 320,474. Bower, W. Aug. 31, 1928. Weight of rider, propelling by.-In horse and like velocipedes of the type in which propulsion is effected by means of an up-and-down movement of the saddle or seat acting through rack and-pinion mechanism, the rack teeth are so disposed that when the rack is in its uppermost position it is out of engagement with the pinion, so that the vehicle may be freely wheeled backwards and forwards when no load is on the saddle. The vertical movement of he saddle 13 is guided by a rack bar 7 and rods 16, 17 passing through guides 4, 18, 19 on the body part 1, the upward movement being effected by coil springs around the rods 16, 17, when the rider transfers his weight to foot rests or stirrups 24. The saddle 13 is carried by a movable canopy 14 connected to the neck by flexible material 15 resembling a mane. The rack 7 engages a pinion on a transverse shaft 5 carrying a sprocket wheel 8 actuating a chain 9 passing around guide wheels 10, 11 to a free-wheel sprocket 12 on the shaft of the rear wheels. When the rack 7 is in its uppermost position, its teeth are clear of the pinion, which can thus rotate freely when the vehicle is wheeled backwards or forwards. The lowest tooth on the rack is cut away on its underside to facilitate re-engagement with the pinion. The rigid foot-rests on stirrups 24 are secured to the body 1 by screws 25, and are provided with a series of holes for adjusting their height. In a modification, the rack is of arcuate form, and the pinion is of the free-wheel type and mounted direct on the driving shaft, the rack being rigidly secured to one end of a rocking arm, to the other end of which the saddle is pivotally connected either directly or through a link frame.
Patent GB-1008695-A (GB)
Title: Apparatus for feeding cigarettes from cigarette-making machines to packing machines
IPC: A24C5/35
Filed: 1962-06-29
Abstract: 1,008,695. Feeding hoppers. D. W. MOLINS, and THE MOLINS ORGANISATION Ltd., June 28, 1963 [June 29, 1962], No. 25135/62. Heading B8S. An apparatus for feeding cigarettes from a cigarette making machine to a packing machine comprises a reservoir R arranged beneath a pocketed endless conveyer 4 which delivers the cigarettes to the reservoir in groups from the catcher bands 1, 2, 3 of cigarette making machines, the reservoir having a movable back plate 11 and an outlet 7 at the front and leading to a hopper 8 of the packing machine. An inlet 12 to the reservoir is movable with the back plate 11 which is controlled by a flap 13 coupled to a mercury detector switch actuated by the level of cigarettes in the reservoir to increase or decrease the capacity thereof. The inlet 12 is formed in the free end of a flexible member 15 forming the top of the reservoir and being wound up on a roller. The free end is connected to the back plate 11 which is moved by endless chains driven by a motor whose direction is controlled by the detector 13. The base of the reservoir R is formed by an endless band 6 which feeds the cigarettes to the outlet 7 and on to an endless pocketed elevator 16 for delivery to the hopper 8. The endless conveyer 6 and elevator 16 are driven by a single motor which is controlled by a centrifugal switch on the packing machine. This motor speed may be retarded by a photo-electric switch which operates for a certain height of cigarettes in the hopper 8. A plurality of packing machines may be fed from elevator 16. Specification 731,542 is referred to.
Patent GB-821095-A (GB)
Title: Improvements in or relating to methods of determining the magnetic state of ferro-magnetic rings and magnetic circuits comprising ferro-magnetic rings
IPC: G11C11/06
Filed: 1955-09-01
Abstract: 821,095. Circuits employing bi-stable magnetic elements. PHILIPS ELECTRICAL INDUSTRIES Ltd. Sept. 1, 1955 [Sept. 4, 1954], No. 25138/55. Class 40 (9). [Also in. Groups XIX and XXXV] In a non-obliterative read-out arrangement for the condition of a magnetic circuit storage device, the latter is provided with a plate of material, e.g. germanium or silicon, exhibiting the Hall effect. As shown, Fig. 3, the magnetic ring 1 is split for the insertion of the plate 4 fed with direct current from conductors C, D, the Hall voltage, obtained from the terminals F, N having a polarity dependent on the direction of flux in the core. The conductors C, D may be so connected that the current therefrom may have a component which either neutralizes or reinforces the Hall current so that the two states of the core correspond respectively to the presence or absence of an output. Two plates diametrically opposed and connected in series may be used. The plates may simply be a layer of material applied by vaporization to the end surfaces of half annular cores. Fig. 6 illustrates a modification in which the Hall effect material 16, 17 is inserted in a magnetic circuit consisting of a plate of material 14 of high remanence together with a magnetic circuit closing member 15 of low reluctance. In a circuit comprising a plurality of magnetic cores, Fig. 5, a continuous plate member 13, traversing all the cores, may be used for producing the Hall effect. Fig. 8 illustrates a matrix of such cores set by pulsing one wire out of each of the groups e,f, g and h, k, m, the Hall effect plates being fed in series by D.C. over the wire t and the individual outputs taken from terminals FN.
Patent GB-245543-A (GB)
Title: Improvements in or relating to loading machines
IPC: E21D9/12
Filed: 1924-10-22
Abstract: 245,543. Joy, J. F. Oct. 22, 1924. Buffers. - A self-propelled machine, for use in mines for loading coal into trucks, comprises an endless-track vehicle carrying forward and rear conveyers. The rear of the machine is provided with a buffer comprising a channel member 143, Fig. 13 with a wood or other resilient body 146 bolted to it. Apertures 149, 150, are provided for a draw-bar and locking-pin, the traction pull being sustained by angle members 151 secured to the channel 143.
Patent GB-186906-A (GB)
Title: Improvements in casting machines for metals
IPC: B22D17/22
Filed: 1922-09-19
Abstract: 186,906. Candler, De F. W. Oct. 3, 1921, [Convention date]. Casting-machines; moulds; strain, preventing. - Machines for casting metals that expand on solidification, particularly soft cast iron, have a series of four moulds E carried by guide bars D from a slowly rotating table B driven by gearing from an electric motor. The moulds have special clamping and ejecting mechanism operated by the fixed cams H, J as regards the mould parts and by the cams H<2>, N, P, as regards the ejectors. The moulds are held clamped by springs G so that expansion of the casting on solidification is permitted. The pressure of the springs is regulated by adjusting the position of the cross-heads D<3> and the inward movement of the mould parts E<2> is limited bv bolts G<2>. The mould parts E are carried by brachets sliding on the bars D and carrying rollers K for engagement by the cams. Ejectors M are resiliently connected to slides L on the brackets provided with rollers L<3> to engage the cams H<2>, N. The ejectors O<2> are resiliently mounted on the crossheads D<3> and come into action on the mould parts E<2> being forced outwards by the cam P. An aperture A<4> passes the discharged castings to a receptacle or conveyer. The Specification, as open to inspection under Sect. 91 (3) (a) stated that the metal casting machines described above could also be employed for casting other substances that expand on solidification. This statement does not appear in the Specification as accepted.
Patent GB-869916-A (GB)
Title: Improvements relating to magnetic indicating apparatus
Inventor: MOIR JAMES
IPC: G01R33/12
Filed: 1956-08-21
Abstract: 869,916. Indicating presence of magnetized bodies. ASSOCIATED ELECTRIC INDUSTRIES Ltd. Aug. 27, 1957 [Aug. 21, 1956], No. 25539/56. Class 37. The presence of a magnetized body in a gap in a circuital path of magnetic material is detected by means of a coil adapted to be linked by at least some of the flux in the said path and means for cyclically varying the flux linking the coil. In one embodiment a cable 1 with magnetized sections passes through a gap 2 in a magnetic path 3. A coil 5 is situated in a further gap 4 and is arranged to be rotated by motor 12. The voltage signal across the coil is read out by means of slip rings 6, 7. In another embodiment (Fig. 2) the coil 10 is wound on the magnetic path 3 and a rectangular plate of magnetic material is rotated in the second gap 4 in place of the coil 5. In each case a voltage will be induced in the coil if and only if the section of the cable 1 in the gap 2 is magnetized. Specifications 869,108 and 869,225 are referred to.
Patent GB-798917-A (GB)
Title: Cyclic memory system
IPC: G11B5/004
Filed: 1956-08-22
Abstract: 798,917. Electrical digital-data-storage apparatus. UNDERWOOD CORPORATION. Aug. 22, 1956 [Sept. 6, 1955], No. 25625/56. Class 106 (1). In data processing apparatus, data is read from a cyclic memory such as a magnetic drum, delay line, or shift register, processed, and the processed data is stored and then transferred to the position occupied by the unprocessed data in less than one cycle of the cyclic memory. As described data is read by the reading head 16 from the track 10 of a magnetic drum 8 and is processed by the data processing unit 48 whence the processed data is written on to the track 14 of the drum 8 and read therefrom by the head 20 to be written by the head 24 on to the position on the track 10 occupied by the original unprocessed data.
Patent GB-973049-A (GB)
Title: Method of and apparatus for controlling explosive charges
IPC: F27D25/00
Filed: 1962-07-05
Abstract: 973,049. Tapping furnaces; furnace slag pockets; blasting apparatus. P. GOFFART. July 5, 1962 [July 5, 1961], No. 25761/62. Headings F3A and F4B. [Also in Division E1] To allow of the charging of blast holes in masses at a temperature at which spontaneous firing of the explosive is possible a charge as it is introduced into and whilst remaining in the blast hole before detonation is bathed with a current of cooling fluid, such as water or a refrigerated gas. One form of apparatus for carrying out the charging of a hole 3 comprises a blind tube 1 into which the explosive is packed and cooling tubes 4 fixed along and about the tube 1 with the bevelled discharge ends of said tubes being welded to a plate that abuts the bottom of the blast hole when the apparatus is inserted therein. In two further forms of the apparatus rings of explosive are pushed down either within or about a tube to abut against a ledge within or about the tube, whilst cooling fluid passing down the tube is discharged through the crenellated end of the tube into the blast hole. The invention is applicable to the blasting of slag chambers in Siemens-Martin furnaces or the hearths of blast furnaces or the tap hole of such furnaces.