baber/WOPTO huggingface dataset:
Patent GB-1424859-A (GB)
Title: Illuminating device for use as a vehicle headlight
IPC: F21V11/16
Filed: 1973-04-04
Abstract: 1424859 Vehicle headlamp MINNESOTA MINING & MFG CO 4 April 1973 16220/73 Heading F4R [Also in Division H1] A lamp comprises a refractive lens having a focal surface, a reflector having a surface with a diffuse reflective coating and a filament located substantially at the focal surface of the lens. In an embodiment a vehicle headlamp has a transparent cover 10, Fresnel lens 11 having a focal surface, a housing 12 a light source 15 and a reflector 17. The light source 15 may be a quartz-iodine lamp or a sealed-beam unit. The reflector 17 has a reflective cavity 20 which is coated with an opaque diffuse reflecting material, e.g. magnesium oxide. The cavity 20 is defined by areas 21 and 22 which may be formed by shields. In an alternative embodiment (Fig. 10, not shown) the frusto conical housing (50) is closed off by a plate (60) bearing a light source (46) which incorporates the opaque diffuse reflective coating on the interior or exterior of the source envelope.
Patent GB-239004-A (GB)
Title: Improvements in artificial limbs
IPC: A61F2/58
Filed: 1924-07-07
Abstract: 239,004. Marks. E. C. R., (Livingston Artificial Limb Co.). July 7, 1924. Limbs, artificial. - An artificial hand is provided. with jointed fingers which can be opened and closed independently of one another in order to grip articles of various forms, the operating mechanism comprising rotary driving and driven members which engage one another frictionally. Means are also provided for bending the hand and rotating the wrist. Finger-operating mechanism. Each finger comprises three sections pivoted together, the inner section having a toothed segment 24 which engages a worm 25 mounted on a shaft 26 as shown in Fig. 4. The worm 25 is formed with a conical surface 28 which engages a correspondingly shaped surface on a driving wheel 29, the two surfaces being pressed together by a spring 31. The wheel 29 is rotated by a chain 35 which passes around a wheel 34, a series of idle wheels 33 being arranged between the wheels 29 as shown in Fig. 2. The sections of the fingers are connected by links 22, 20 the latter being pivoted to a bar 17 which is pivoted at 18 to the sector 24 and slides vertically in a guide 19. When the wheel 34 is rotated the fingers close or open, the movement of any one of the fingers being unaffected by the stopping of the other fingers on contact with a body, owing to the frictional engagement at the surfaces 28. The outer section of the thumb follows the movement of the inner section under the influence of a spring 49. The wheel 34 is rotated by means of lines 37, 38. Hand-bending mechanism. The lower end of the hand is provided with a toothed sector 39 which engages with a worm 40 having formed therewith a toothed wheel over which passes a chain 42 fastened at its ends to the lines 37, 38 so that the hand is bent simultaneously with the. actuation of the fingers. The worm and wheel 40 are mounted loosely on a spindle 81 and are normally held in the central position by springs 43. If the hand encounters an unyielding object the hand presses the worm and its toothed wheel along the spindle 81 and out of engagement with the chain 42 so that the fingers can continue their movement independently of the bending of the hand. Wrist-turning mechanism. The wrist is connected to the forearm by a bolt and nut 68 passing through plates 63, 64 having ball bearings at 65, 70. The end of the bolt is formed as a wormwheel 71 which engages a worm 72 on a shaft 73 which also carries a toothed wheel 82 which engages with a rack 74. A link 76 is pivoted to the rack and the upper arm 1 so that when the forearm is bent relatively to the upper arm the rack 74 is moved longitudinally and rotates the wrist.
Patent GB-637981-A (GB)
Title: Improvements in or relating to bags made of paper, cellulose, or the like materials
IPC: B65D30/20
Filed: 1948-06-17
Abstract: 637,981. Paper bags. ROBINSON, Ltd., E. S. & A., DAVIES, K. W., and NICHOLAS, J. June 17, 1948, No. 16355. Addition to 582,372. Drawings to Specification. [Class 94(ii)] In a bag of paper, cellulose or the like material some of the seams are formed according to the invention claimed in the parent Specification, and some seams in another manner. A satchel bag is described having a folded-over bottom as in the parent Specification, but the longitudinal seam by an overlap and adhesive.
Patent GB-783260-A (GB)
Title: Can openers
IPC: B67B7/70
Filed: 1956-05-28
Abstract: 783,260. Can openers. BLUE, S. D. May 28, 1956, No. 16396/56. Class 66. A can opener comprises a downwardly opening diametrically split housing 10, Fig. 1, for embracing the top of the can to be opened, a threaded shaft 42, Fig. 2, in an internally threaded hub 36 in the housing, and means such as an arm 46 on the shaft 42 carrying one or more cutter wheels 50a, 50b adapted to roll along a circular path and progressively cut through the top 52a of the can, Fig. 4, as the threaded shaft 42 is rotated to move it towards the can. The housing 10 comprises two semicylindrical roofed portions 12a, 12b hinged together at 18, the inner face of their lower edge 22 being stepped as in Fig. 4 so as to provide a part 24 for engaging under the can rim and a wall formed with inwardly directed projections 32 for gripping the can rim to prevent rotation thereof. In Fig. 4, the wheel 50a has cut through the lid 52a, the shape of the wheel being such that its convex outer face 54 folds down any projecting edges of metal left behind by the severed top of the can. The arm 46 terminates in downwardly bent portions 48a, 48b which engage a ledge 26 within the housing 10 when the blades 50a, 50b have been caused to descend sufficiently. A magnet 56, below the arm 46, grips the severed top 52a to prevent it falling into the can. The magnet has a central spike 60 which pierces the can top before it is cut and helps to maintain the cutter wheels 50a and 50b on one circular path. In a modified construction the threaded shaft 42 carries an arm having only one cutting wheel. Diametrically opposite is a stabilizing roller that follows a circular path lying radially inside the path followed by the cutter wheel and engages the severed portion of the lid to prevent tilting or raising up of the latter in response to the downward shearing force of the cutter wheel. In this form the cutter wheel is not designed to smooth the severed edge on the can but, instead, a spring biased member is provided to cause an initial smoothing down of the severed edge of the can. Diametrically opposite to the smoother member is a crimping wheel that completes the smoothing operation. Piercing tool, Fig. 12. An additional arm 178 may be supplied with the can opener, for fitting within the housing 10, this arm carrying depending pointed pins 186 and 188 such that when the arm 178 is secured to the threaded shaft 142 the device forms holes in the top of a can.
Patent GB-284923-A (GB)
Title: Improvements in gas boiling and grilling devices
IPC: F24C3/08
Filed: 1927-06-21
Abstract: 284,923. Oakley, P., Richardson, W. H., and Stoves, Ltd. June 21, 1927. Atmospheric gas burners; burners, mounting and adjusting; making burners.- In a gas grilling and boiling device of the kind described in Specification 179,488, the flame-spreading device, Fig. 2, is recessed to fit a spigot on a boss d in the globular chamber e and is secured to the boss by a screw j, the adjacent faces of the parts d, g being machined to bring the part g into the centre of the outlet i of the chamber e and the flange k being turned to a feather edge with its inner face at right angles to its axis, or the device g, Fig. 3, is formed by cutting a slot r in a casting having a boss d extending across a chamber e. The hole m in the grid-plate n is bevelled to form a seating for the chamber e, the end p of the burner engaging a slotted lug o, which allows the burner to be lifted slightly by the handle when being rotated. An additional supporting lug o<1> may be provided.
Patent GB-596575-A (GB)
Title: Improvements in or relating to padlocks of the permutation type
IPC: E05B37/00
Filed: 1944-08-30
Abstract: 596,575. Permutation locks. ROSENFELD, P. W. Aug. 30, 1944, No. 16448. [Class 44] In a permutation lock or padlock in which the shackle or bolt element 3 is held in locking position against the action of a spring 22 by a pivoted arm or lever 14, at least two rotatable elements 7, 10, each having a slot 11, 12, are mounted so that after rotation to bring the slots into register with one another and with the arm, the elements may be moved axially to engage the arm in the slots, and then turned to move the arm about its pivot out of engagement with the shackle or bolt. As applied to the padlock shown, the rotatable elements are cylindrical, and the element 10 is integral with the cover 2, which bears index marks. The elements are mounted on a pin 4 and pressed outwardly by a spring 13. Pins 6 and 8 enable the inner cylinder 7 to be rotated by rotation of the cover. The lever 14 is also mounted on the pin 4 and is urged by a spring 15 into a notch in a block 23 to engage a pin 24 on the end of the long arm of the shackle 3, which slides in the block 23. The shackle is of the type which is rotatable about the axis of the long arm when in the free position.
Patent GB-1107934-A (GB)
Title: Improvements in typewriters or like office machines
IPC: B41J19/34
Filed: 1966-04-15
Abstract: 1,107,934. Typewriters. SCM CORPORATION. 15 April 1966 [17 May, 1965], No. 16520/66. Heading B6F. Driving mechanism.-The spindle 26 of an escapement ratchet wheel assembly carries a pinion 50 for engaging a carriage rack (52) and is journalled in a jewel bearing 64. The jewel is held in place in bushing 60 by a shouldered retainer 68 formed of phenolic resin or other material which is sufficiently rigid to hold the jewel yet yieldable to protect the jewel from cracking. Escapement mechanism. The ratchet wheel (48), Fig. 2, not shown, on the other end of the spindle 26, is controlled by a rocker (30) pivotally mounted by screws (34) to a bracket (32). A fixed or holding pawl (36) and stepping pawl (38) are interconnected by a spring (44) so that when the rocker is pivoted the stepping pawl (38) intercepts the next tooth of the ratchet and the carriage advances until the pawl abuts against the holding pawl 36.
Patent GB-436511-A (GB)
Title: Improvements in or relating to the treatment of spools of textile material with liquids or other fluids
IPC: D06B5/16
Filed: 1935-06-07
Abstract: <PICT:0436511/IV/1> <PICT:0436511/IV/2> Spools 1, Fig. 1, of textile material with conical ends 2 are wound on a resilient core 3, such as that described in Specification 289,708, [Class 15 (i)], threaded on a wooden tube 4.  The spools are then freed from their wooden cores and threaded in column form on a perforated telescopic tube 5, 8, Fig. 2, described in Specification 296,603, [Class 15 (i)], the spools being separated by flat discs 6<1>, 6<11> . . . carried by hollow sleeves 7 which project on both sides and fit into the ends of the spools 1.  The spools are then compressed axially to crush the conical parts and form a cylindrical column, as shown in Fig. 2, which is subjected to treatment with a dyeing or washing liquor.
Patent GB-923103-A (GB)
Title: Milling cutter
IPC: B23C5/08
Filed: 1959-05-14
Abstract: 923,103. Milling-cutters. FERRO TECHNIQUE Ltd. May 14, 1959 [Oct. 28, 1958], No. 16526/59. Class 83 (3). [Also in Group XXIII] A milling cutter comprises teeth each having a peripheral cutting edge 10 and an adjacent peripheral cylindrical face 12 of radius r<SP>1</SP> equal to the radius r<SP>2</SP> of the cutter, the axis 0 2  of the face being offset from the axis 0<SP>1</SP> of the cutter by an angle equal to a predetermined clearance angle x<SP>1</SP> of the face. As the front cutting edge 10, Fig. 3, is skewed, the axis 0 2 may be similarly skewed with respect to the axis 0 1 . The peripheral face 12 can be ground by swing- ing the cutter about the axis 0 2  while it is in contact with the wheel. The side surface 13 of each tooth is defined by a line inclined at an angle y<SP>1</SP> to the axis 0<SP>1</SP> and swinging about the axis O<SP>1</SP> whilst moving in the direction of that axis to form a hyperbolic paraboloid. The angles y and z, Fig. 3, as well as the clearance angle x<SP>1</SP>, all remain constant as the front face of a tooth is ground back for sharpening. The side face 13 of a tooth is initially formed by mounting the cutter 27 on a plate 26 which can rotate on a block 23 adjustable about a pivot 24 by bolts 34 to produce the angle y. Rollers on the plate 26 engage blocks 30 set at the angle z or a somewhat different angle if the rollers do not lie beneath the teeth. The surface 13 is produced by rotating the plate 26 and traversing the block in the direction m.
Patent GB-402166-A (GB)
Title: Improvements in electric burglar alarms and the like
IPC: G08B13/22
Filed: 1932-06-11
Abstract: 402,166. Burglar alarms. TIBBLES, H. J., Brodsworth, Blenheim Crescent, Leighon-Sea, and RELY-A-BELL BURGLAR & FIRE ALARM CO., Ltd., 49a, Wilson Street, Finsbury Square, London. June 11, 1932, No. 16545. [Class 118 (i).] In an electric burglar-alarm system operated by the breaking of a normally closed circuit, a timing mechanism is released which controls the intermittent operation of the alarm device. When the system is set and the normally closed circuit is broken, a coil 2 is de-energised and an armature 14 engages a contact 48 to close a circuit comprising a source of electric energy 5, lead 29, audible alarm 30, lead 31, lead 49, relay 50, lead 51, contact 48, armature 14, lead 52, leaf springs 11, 10 (which have been closed by the sliding of a door bolt 9) and leads 12, 13. The energised relay 50 attracts an armature 53, thereby releasing a spring- urged pivoted arm 54 which comes to rest against a contact 57 and transmits its movement to a pivoted arm 58 having a locking- finger 60, which is thus moved out of engage ment with a toothed wheel forming part of a timing-mechanism. The latter rotates a wiper 61 over metallic strip contacts 62 so as to close intermittently the circuit of an audible alarm 63 until the timing-mechanism is stopped. Testing and setting circuits are described. An open alarm circuit may be incorporated in the system and may comprise a relay 73 adapted to be energised by the closing of a switch 76 upon the opening of a window and to set in operation an audible alarm 83 which continues in action until a press-button 85 is operated to release a catch 78 for the armature 77. Alternatively, the normally open circuit may be of the kind described in Specification 386,345. It may include devices that close the circuit upon the outbreak of fire. Modified means for effecting the intermittent operation of the audible signal 63 comprise an electric motor driving a cam or a train of gearing rotating a mutilated toothed wheel, for the purpose of actuating a switch periodically. Visible alarms may also be used.
Patent GB-207153-A (GB)
Title: Improvements in means for protecting picture and like films
IPC: G03D15/00
Filed: 1923-06-26
Abstract: 207,153. Forest, L. de. Nov. 18, 1922, [Convention date]. Kinematograph picture films.- The picture portion of a film is offset from contact with any stationary or moving part by forming the film 8, Fig. 4, itself with thickened edges 7.
Patent GB-701542-A (GB)
Title: Apparatus for folding laundry flatwork
Inventor: SWIFT JOSEPH
IPC: B65H45/04
Filed: 1951-07-12
Abstract: 701,542. Folding sheets. JENNER, Ltd., A. & C. Nov. 6, 1951 [July 12, 1951], No. 16595/51. Class 42 (2) An apparatus for folding flatwork 'has a substantially horizontal power driven pick-up arm which picks up work from a table on which it is laid and delivers it through an arcuate path with a single transverse fold therein, and has a substantially horizontal bar arranged in the path of the work to engage it and initiate a second transverse fold, and means actuated when the power driven arm is vertically below the bar to withdraw the arm from the work by an upward angular movement, to leave the work suspended on the bar. A work table comprising two parts 1 and 2, separated by a gap, is provided, and a counterbalanced arm 3 is rotated about a horizontal axis, above the surface of table 1, by a motor 5. A pick-up arm 6, counterweighted by a weight 7 is pivoted on the arm 3 at 8, and normally is retained in horizontal position by the forked end of a rod 9, the other end of which is spring pressed against a stationary cam 12. The arm 6 sweeps upwards through the gap between the portions 1 and 2 of the table, forming a first transverse fold in a longitudinally folded article placed on the table, and carries it over the table. The article in its path engages a transverse horizontal bar 14, carried on a counterbalanced pivoted arm 13, the movement of which is limited by a stop 15 ; a second transverse fold is thus formed. When the arm 6 is vertically beneath the bar 14, it is released by the action of the cam 12 and rod 9, and swings upwards in a vertical plane, the pivot 8 being .set at the appropriate angle for this, and is thus released from the folded article. While passing beneath the table 1, the arm 6 returns to horizontal position, either by gravity, or by that of a cam member, and the forked end of the rod 9 is re-engaged. Specification 689,572 is referred to.
Patent GB-1179834-A (GB)
Title: Improvements relating to moulding
Inventor: MADDISON JOHN CLARK
IPC: H01G2/12
Filed: 1966-04-15
Abstract: 1,179,834. Encapsulating electrical devices. PLESSEY CO. Ltd. 17 April, 1967 [15 April, 1966], No. 16598/66. Heading B5A. Electrical devices, e.g. thin-film circuits having a group of leads are encapsulated by passing the leads through holes in a block which is then used as one wall of the mould during encapsulation. The encapsulating compound is preferably an epoxy resin and the block member which must have a softening temperature higher than the moulding temperature is preferably P.C.T.F.E. or a fluorinated ethylenepropylene copolymer which can be compressed to prevent leakage around the leads. The block may also be used, before the moulding process as a jig for holding the leads while they are soldered to the circuit.
Patent GB-568780-A (GB)
Title: Control arrangements for induction regulators
Filed: 1943-10-11
Abstract: 568,780. Automatic control systems. LAURENCE, SCOTT, & ELECTROMOTORS, Ltd., CLARK, W., and BARRACLOUGH, E. Oct. 11, 1943, No. 1.6617. [Class 38 (iv)] [Also in Group XXXVIII] Fluid level &c.-An induction regulator for the speed control of a main motor is controlled by the motor of a self-balancing network comprising a pair of potentiometers 1, 2, one of which is set by hand or by some instrument responsive, for example, to liquid level, fluid flow, pressure or tension. The main motor may act on the initiating variable, e.g. by driving a pump to keep a liquid level at a suitable point. In another application, the speed of a motor is adjusted in accordance with the progress of a, machining operation. The relay controlling the balancing motor may be a moving coil relay 15 or a polarized relay or a pair of relays associated with oppositely directed rectifiers. The motor may be controlled directly by the relays instead of with the aid of auxiliary contacts 25, 28. It may be arranged that the main motor is always started with the induction regulator in its minimum position.
Patent GB-273311-A (GB)
Title: A method of producing a continuous ingot or bloom direct from molten metal
IPC: B22D11/06
Filed: 1927-06-22
Abstract: 273,311. Douteur, M. June 22, 1926, [Convention date]. Casting - machines; moulds; castings. - Steel and other metals are cast in mould-sections which form a continuous ingot mould. The metal is poured from a pipe 5 to a mould consisting of upper parts 2 on an endless chain, and lower parts 1 moved by mechanical means in an endless circuit to register with the parts 2 in the pouring position. The lower run of mould blocks is longer than the upper run to allow of the metal being introduced in the open air and and the level of the metal being inspected. The moulds are cooled by air passing through chambers 10 from a guide 3 on which the moulds are traversed. The continuous ingot is stripped from the mould and is sprayed with cold water in a cooler 12. It then passes through rolls 6 and on rolls 13 to saws or the like for subdivision. The rolls 6 may effect the first rolling of the ingot. To start the operation a gag is inserted in the mould.
Patent GB-240108-A (GB)
Title: Improvements in and relating to submerged pumps
IPC: F04D7/06
Filed: 1925-06-29
Abstract: 240,108. Stephens, A. J., (Wesselinger Gusswerk Ges.). June 29, 1925. Submersible pumps; casings. - A submerged centrifugal pump, particularly for raising hot and dangerous liquids, has a casing b with an annular slot k for the passage of the liquid to the runner l. The pump is suspended from a suitable carriage and is driven by an electric motor c. The apparatus is shown in Fig. 1 for pumping hot caustic potash solution from the container a, and discharging it through the pipe e and funnel f into the receptacles h. The upper part of the shaft d between the motor and the pump is enclosed by the tube m, which has a centrifugal ventilating fan at its lower end so that air is drawn down through the tube for cooling purposes.
Patent GB-1523196-A (GB)
Title: Oscillator circuits
IPC: H03B5/32
Filed: 1977-03-18
Abstract: 1523196 Oscillator circuits; amplitude modulators EMI Ltd 18 March 1977 [24 April 1976] 16738/76 Headings H3T and H3R An oscillator employing a single SAW delay line to provide two signals, widely spaced in frequency, one as an RF carrier signal and the other lower frequency signal for modulating the carrier with digital information or for switching between analogue channels in telemetry, domestic radio control systems, alarm systems &c., comprises a first external circuit 2 across the line 1 to maintain the oscillations and a further external circuit 4-6 driven by the oscillations for impressing on a component of the circuit 2 a modulation at a lower frequency. The elements 4, 5 derive a subharmonic component of the main oscillations which is then maintained by a sub-loop and usefully extracted at 7. The amplitude modulation produced at 2 is eliminated by a limiter buffer amplifier 9 to derive a carrier frequency signal.
Patent GB-391999-A (GB)
Title: Improvements in electric clocks
IPC: G04B21/14
Filed: 1932-06-14
Abstract: 391,999. Electric clocks. STOCKALL, MARPLES, & CO., Ltd. and STOCKALL, J. J., 6, Clerkenwell Road, London. June 14, 1932, No. 16805. Addition to 384,128. [Class 139.] Striking-mechanism; chiming-mechanism; alarm mechanism.-The parent Specification is for an electric clock in which the hands are driven directly by an electric (e.g. A.C. synchronous) motor and are geared to the winding wheel of a striking, chiming, or alarm spring, the train between motor and hands including a free-wheel clutch which allows the hands and the winding wheel to be turned forwardly, independently of the motor. According to the present invention, the free-wheel clutch d, g, c is on the minute hand arbor a and is geared through the arbor to the winding wheel or wheels i for the spring h. Wheel d, loose on arbor a, is driven by motor e through wheels f and has one or more pawls g driving wheels c and b rigid on arbor a. Wheel b drives wheel i through wheels k. To reduce backlash, two or more pawls g may be arranged for separate driving engagement with ratchet wheel c.