baber/WOPTO huggingface dataset:
Patent GB-446437-A (GB)
Title: Improvements in book markers
IPC: B42D9/00
Filed: 1934-11-14
Abstract: 446,437. Bookmarkers. LOCKYER, F. H., 25, Marybone, Liverpool. Nov. 14, 1934, No. 32738. [Class 16] A bookmarker of paper, cardboard, celluloid, &c., of the type comprising a flat loop or band folded about right - angled fold lines, and through which loop the extreme corner of the leaf of the book protrudes, is formed from a blank which is so shaped that the two portions which are folded about the lines at right angles are identical and form, when folded over and attached by adhesive, a double thickness side for the band or loop. As shown, the portions a<2> and a<3> are folded about the lines 3, 4 and 5, 6 respectively, to form a double thickness at the back, the lines 3, 4 and 5, 6 being at right angles to each other. In a modification, the shapes of the portions to be folded are modified, and one portion has an extension or tab adapted to bear printed matter, or, where the marker is made of celluloid, to serve for memorandum purposes. In a further form, the marker is formed with pleated sides so that it can expand to accommodate the corners of several leaves.
Patent GB-193992-A (GB)
Title: Improved manufacture of hollow rubber articles
IPC: B29C65/74
Filed: 1921-12-06
Abstract: 193,992. Davis, T. Dec. 6, 1921. Moulding balls, hollow-ware, and india-rubber. -Hollow rubber articles, e.g. balls, are formed from unvulcanized stock by shaping parts of the article within mould cavities by means of cores, holding the shaped parts within the cavities by suction while the cores are withdrawn, and finally bringing the mould parts together to unite the shaped parts and to sever excess material. As applied to balls, a sheet of stock a is laid over a mould 10 and covered with a cone-piece 17, a second sheet is laid upon the core and covered with a top mould 10<a>, after which the moulds are forced on to the core to shape the ball portions; vacuum is then applied through chambers 12 and apertures 14. the moulds are separated and the core-pieces removed and the moulds are brought together to unite the portions and to sever excess material which is received in channels 16. Prior to bringing the parts of the article together, suitable gas-generating material is introduced and after the parts are united, the article is indented, as indicated at 19<a>, Fig. 4, at parts remote from the seam 20 in order to draw in the seam prior to insertion in the vulcanizing-mould.
Patent GB-357407-A (GB)
Title: Improvements in and relating to dabbing apparatus for wool combing machines
IPC: D01G19/02
Filed: 1930-11-01
Abstract: 357,407. Dabbing apparatus for wool combing-machines. SLATER, W., 87, Airedale Road, Otley Road, and HOWARD, H., 16, Black Dyke Lane, Thornton, both in Bradford, Yorkshire. Nov. 1, 1930, No. 32867. [Class 120 (i).] In a wool-combing machine of the Noble type employing discs instead of dabbing-brushes, the dabbing apparatus comprises two sets of adjustablymounted flexible discs A, A<1>, Figs. 1 and 2, adjustable as to curvature and adapted to rotate between the rows of pins of the small and large circles respectively, being carried on a shaft S at an angle to the horizontal. The discs are curved by means of adjustable guide or pressure bars G<1>, G<2>, G<3> provided with lubricating pads G<x>. The shaft S is carried by depending bracket arms C<5>, C<6> of a casting C which is adjustable vertically by screws C<2> and is supported on a bracket B adjustably carried by the central pillar P of the small circle. The discs may be free on the shaft S but are preferably driven thereby from the bevel wheels S<1>, S<2>. Feed discs F having serrated edges, may be provided while the discs A, A<1> may be correctly positioned by curved spacing fingers. If necessary a universal joint may be provided at X. The Provisional Specification refers to the mounting of the shaft S on spring or yielding bearings.
Patent GB-1123660-A (GB)
Title: Doors
IPC: E06B3/70
Filed: 1967-07-18
Abstract: 1,123,660. Door draught &c. excluders. EUROPAISCHE H.O. CANFIELD CO. G.m.b.H. 18 July, 1967 [5 May, 1967], No. 33009/67. Heading E1J A door comprising a honey comb interior structure 7 e.g. of cardboard with plastics surface sheets 1, 2 adhered thereto e.g. by liquid resin has on the back side a channel-section strip 4 whose walls 3 are adhered to the sheets 12, and may be provided with inter - engaging ribs or teeth 12 as shown, the strip 4 also having an arm 11 directed oppositely to the walls 3 and carries a magnetic sealing strip 9 for cooperation with the metal frame 5. This frame may have a resilient stop 6. The bottom of the door has a draught excluder strip 14 adjustable in the channel in the bottom of the door and has resilient strip 17 to contact the floor, and the strip 14 and channel in the door may have interengaging teeth. The rebate formed between the door and strip 14 may be filled in by strips on either side of the strip 14 to form a completely flush surface to the door.
Patent GB-833336-A (GB)
Title: Improvements in or relating to snap-action electric switches
IPC: H01H13/42
Filed: 1955-11-18
Abstract: 833,336. Snap-action switches; press-button retractive switches. BEER, D. C. Nov. 19, 1956 [Nov. 18, 1955], No. 33069/55. Class 38 (5). A switch comprises a rigid rocker 5 pivoted on a fixed support 3 at 6, and a movable contact carrier 4 also fixed to the support 3, a bowed spring 14 being arranged between the rocker and carrier so as to give a snap-action when the rocker is moved by a plunger 16. The movement of the rocker is limited by a stop 25, or a surface on the housing (Fig. 1 (Comp.), not shown), so that the angle BCD is always obtuse and is always on the same side of the line BD, thereby ensuring that there is a thrust in the rocker which will restore the parts to the position shown when the plunger is released. The latter may be replaced by dolly-operated cam. As shown, the member 4 is a spring blade but may be rigid, and instead of being forked, as shown, could be T-shaped, the head of the T carrying the cbntacts. In this case, the rocker could have a portion on each side of the stem of the T, each with a separate bowed spring or a single spring could have a cut-out through which the stem passes.
Patent GB-1063261-A (GB)
Title: Improvements in or relating to shoe upper conforming machines
IPC: A43D21/16
Filed: 1962-08-29
Abstract: 1,063,261. Lasting machines. BRITISH UNITED SHOE MACHINERY CO. Ltd. Nov. 27, 1963 [Aug. 29, 1962], No. 33082/62. Heading A3B. A shoe upper conforming machine has a wiper arrangement at an operating station of the machine, a support for the last movable between the operating station and a loading station, clamps for clamping the shoe upper against opposite sides of the last at the loading station, grippers in the vicinity of said opposite sides to tension the upper against the last at the loading station, the construction and arrangement being such that the grippers are caused to release the upper and retract to out of the way positions prior to movement of the support towards the operating station, the clamps moving towards the operating station with the support and maintaining the upper in tensioned condition while the wiping operation is performed. As described the heel seat and waist lasting machine of Specification 1,040,882 is modified by the addition of grippers at the loading station of the machine. The grippers are carried by a bar 8 which is pivoted to the machine frame at 6 and is moved from an out of the way position to an operative position at the loading station by a pneumatically operated piston 16 and cylinder 14. The bar 8 is positioned heightwise by a stop pin 30 engaging the insole I and during downward movement of the bar 8 pins 34 carried by the bar 8 engage the clamps 2 to position the clamps 2 according to the insole level. The gripper jaws 52 are carried by arms 54 which are pivoted to the bar 8 at 56. The gripper jaws 52 are closed by wedge-shaped pistons 60 in cylinders 58 in the arms 54, and are raised to tension the upper by pistons 76 in cylinders 74 engaging pins 68 carried by the arms 54. The gripping mechanism has a pneumatic control circuit (which is separate from the hydraulic control circuit of the abovementioned Specification) and operates as follows:-on actuation of a lever 12 the grippers are moved from their out of the way position towards the shoe; the clamps 2 being positioned by this movement, and a piston 92 in a cylinder 36 operates a spool 42 of a valve 40 to operate the clamps 2. On actuation of a foot actuated valve 70 the gripper jaws are closed and the grippers are elevated to tension the upper. On release of the foot actuated valve 70 the grippers are opened and the bar 8 is raised to move the grippers to their out of the way position. The jack can then be moved rearwardly from its loading station to last the shoe as described in Specification 1,040,882.
Patent GB-337599-A (GB)
Title: Improvements in process and apparatus for operating explosion turbines
IPC: F23R7/00
Filed: 1929-10-31
Abstract: 337,599. Holzwarth, H. Oct. 31, 1929. Working-fluid supply.-In a gas turbine having an explosion chamber as described in Specification 312,167 the wall 16 at the charging end of the chamber 3 is formed conical so that a contracting- expanding nozzle 14, 21, 17 is formed, the contraction 21 being in the region where the fuel is injected into the air stream. The aid and fuel valves are actuated automatically. The arrangement gives better atomization and scavenging. Specifica,tions 900/11 and 295,635 also are referred to.
Patent GB-1206545-A (GB)
Title: Improvements in and relating to a reinforcement rod spacer
Inventor: REUSS KUNO
IPC: E04C5/20
Filed: 1968-07-11
Abstract: 1,206,545. Reinforcement spacer. MAVODUX C.V. 11 July, 1968 [11 July, 1967; 19 Sept., 1967; 30 Nov., 1967], No. 33202/68. Heading E1W. A reinforcement rod spacer is secured to the rod 22 by a flexible elongate portion 25 which forms an extension of that surface 21 of the base portion of the spacer which engages the rod, the portion 25 being placed around the rod 22 and secured by engaging the free end thereof for example in an aperture between a pair of spacer legs 23. Further arrangements for securing the free end of the flexible elongate portions are described with reference to figures 5 to 18 (not shown), such figures also illustrating alternative forms of legs which serve to establish the required spacing between the reinforcement and the shuttering. The spacer may be moulded from resilient synthetic plastics material.
Patent GB-624460-A (GB)
Title: Hoists for attachment to tractors
IPC: B62D49/02
Filed: 1946-11-11
Abstract: 624,460. Hoists for attachment to tractors. FERGUSON, Inc., H. Nov. 11, 1946, No. 33403. Convention date, Nov. 13, 1945. [Class 78 (iii)] A hoist attachment for a tractor having rear draft links 10 and a power lift device, such for example as that described in Specification 470,069, [Group I], comprises a boom 20 pivoted at 22a to the rear ends of the draft links 10, and a generally upstanding post 24, effectively rigid with the boom 20 and linked to the tractor so that raising and lowering the draft links 10 causes a fore and aft rocking motion of the boom 20. In the fruit picker's hoist shown, the boom 20 is of ladder formation and comprises side trusses 21 and rungs 23, 22, the latter rung being pivoted to the draft links 10 which are stayed by links 13 from lateral movement. The post 24, in the form of two upright bars, is supported from a rockshaft 25 journalled in bearings 26 rigid with the boom 20 and is stayed to the boom by a tension link 27 secured to the upper rung 23 which is reinforced by struts 29. The post 24 is connected by a link 32 to the shackle 19 normally associated with the means for regulating the depth of cut when the tractor is used to draw an agricultural implement. A platform 35 formed of metal tubing and sheet steel is pivoted at 40 to the upper ends of the boom 20 and means are provided to limit, or at will to prevent, the pivotal movement of the platform relatively to the boom. In a further construction the boom 20 comprises two upwardly converging side members, and thetie 27 is extended beyond its connection with the boom 20 to support a hook in place of the pulpit 35. The connections between the tie 27 and the post 24, and between the post 24 and the link 33, are adjustable.
Patent GB-913619-A (GB)
Title: Automatic telephone exchanges
Inventor: CROWTHER GERALD OFFLEY
IPC: H03K17/52
Filed: 1960-09-29
Abstract: 913,619. Automatic exchange systems. MULLARD Ltd. Sept. 29, 1960, No. 33461/60. Class 40 (4). In an automatic exchange, such as that described in Specifications 913,617 and 913,618, wherein switching is effected by cold-cathode tubes in dependence upon the voltage conditions present at a point in the exchange, that point is connected to two separate gate circuits, the first of which (Fig. 3) responds to negative-going voltage steps and the second (Fig. 4) to positivegoing voltage steps, the response of each gate circuit within its working range being independent of the direct voltage level from which the voltage steps occur. The connection of a resistor, of the order of 300 ohms, in series with, or as a replacement for, the diode Q1 (Fig. 3) or Q2 (Fig. 4) will render the respective gates unresponsive to short pulses such as dialling pulses. The Specification also describes a circuit (Fig. 5) for discriminating between pulses and long-term conditions which may be used to control the release of a connection. A negative-going step applied to the input terminal will flow through Q3 and appear across C6, whereas a positivegoing step will produce only a small rise in the voltage across C6 due to the high value of R6, and short duration pulses will not operate the tube TMR. If, however, the positive-going step is maintained for a much longer time, C6 will eventually be charged sufficiently to fire TMR and the resulting negative-going step at its anode may be used to initiate release.
Patent GB-486597-A (GB)
Title: Improvements in or relating to variable speed gears
IPC: B62M9/04
Filed: 1936-12-07
Abstract: 486,597. Expanding - wheel chain gearing. McPHIE, R. Dec. 7, 1936, No. 33536. [Class 80 (ii)] An expanding driven sprocket-wheel, for a cyclehub, comprises opposed conical flanges 11, 12, which are moved axially towards or away from each other in order that the effective diameter of the sprocket, as determined by the radial position of singletoothed members 32 slidable radially between the flanges, may be varied. The driving sprocket-wheel is non-variable and the chain is tensioned by a jockey-pulley 35, carried on an arm pivoted at 35a and loaded by a spring 35b. The teeth 32 have lateral extensions 34a which slide in, and retain the teeth in radial grooves in the flanges. Stops lock the flanges in a series of adjusted positions in which the toothspacing forms multiples of the pitch of the co-operating chain. In Figs. 1 and 2, the flange 12 slides axially on a sleeve 13, integral with the flange 11, and secured to the cycle-hub. Outward movement of the flange 12 is prevented by engagement of one of a series of teeth 14 in the flange, with a tooth 15 on a spring-loaded stop 16, pivoted at 17 to the flange 11. Outward adjustment of the flange 12 is effected by depressing the stop 16 by engagement with its inclined outer end 18, of a ring 19, moved axially outwards by a spring-loaded bell-crank 21, connected by a cable 25 to a quadrant lever 26. The released flange 12 then moves outwards under chain-tension. Movement of the bell-crank in the opposite direction causes it to act directly on the flange 12 to move it axially inwards. In Figs. 3 and 4, the lateral extensions of the sprocket-teeth 45 pass through radial slots in the coned-flanges 40, 41 and carry rollers 50 engaging spiral grooves 47 in scroll-plates 48, 49, secured to the free-wheel hub 42. The coned-flanges 40, 41 are normally locked to the plates 48, 49 by a stop 51, engaging one of a series of notches 58 in the flange 40, and releasable to allow the rider to effect, by means of the pedals, a controlled relative rotation between the flanges and the scrollplates, for adjusting the working diameter of the sprocket. Such release is effected by a hand-lever 56, which turns a, plate 52, mounted on a fixed screw-thread 53, so as to move axially and press the stop 51 axially away from the coned-flange 40. In a modification, Figs. 5 and 6 (not shown), using a similar locking arrangement, the coned-flanges are mounted on left- and right - handed screwthreads on the hub. As shown in Fig. 7, the teeth 70 carry overlapping blade-springs 71 for supporting the chain, and these may have notched edges to allow them to contact directly with the chain-rollers. The Provisional Specification states also that in a pulley having a fixed flange and a movable one, the latter may be controlled by an abutment which can be moved, as by rotating a cam-plate, radially of the flange along a surface inclined with regard to the axis of the flange, the radial position of the abutment thus determining the axial position of the flange.
Patent GB-1071196-A (GB)
Title: Improvements in or relating to hydraulic feedback apparatus
Inventor: INABA SELUEMON
IPC: F15B9/14
Filed: 1964-08-17
Abstract: 1,071,196. Fluid-pressure servomotor systems. FUJITSU Ltd. Aug. 17, 1964, No.33607/64. Heading G3P. A rotary pilot valve comprises a valve body 8, a sleeve 7 rotatably mounted in the valve body, a spool 6 rotatably mounted in the sleeve, and means 4 for producing axial displacement of the valve upon relative rotation between the spool and sleeve. The valve controls the connection of supply and exhaust port 13, 14 to a hydraulic motor 31 having its output shaft mechanically coupled to a shaft 12 on the sleeve 7 to apply feedback. Stops on the means 4 for limiting axial movement of the spool may be replaced by stops on the spool itself or by stops cooperating with a gear 3 driven from an input 1. A spring 9 and a ball 11 accommodate relative movement between the spool and the sleeve. The motor 31 runs at a speed directly proportional to that of the input.
Patent GB-1210852-A (GB)
Title: Improvements in or relating to magnetic couplings of the axial reciprocating motion and fluid-tight partition type
IPC: H01F7/16
Filed: 1968-07-16
Abstract: 1,210,852. Stirrers; magnetic drives. COMPAGNIE DE CONSTRUCTION MECANIQUE PROCEDES SULZER S.A. 16 July, 1968 [31 July, 1967], No. 33783/68. Heading B1C. [Also in Division H2]  In a magnetic coupling comprising longitudinally reciprocable driving and drivers members 4, 6 mutually insulated by a fluidtight separating partition 5, the driving member 4 has a device e.g. a winding 26 or a permanent magnet 28 producing a coupling magnetic flax and has formed on its surface facing the partitions a plurality of polar protrusions 16 .. 18, 22 .. 24 separated by gaps 19, 21, 25, 26 which channel therein the flux, the driver member 6 also has formed on its surface forming the partition protrusions 31.. 33, 36..38 of the same shape and dispositions as those of the driving member and the partitions comprises started magnetic members 43 mutually separated by intermediate insulating non-magnetic layers 44. As shown, the members 4 .. 6 and hence the protrusions are annular and used in conveying drive from a crankshaft, eccentric, or piston cylinder unit to a stirrer enclosed by a wall 1. The winding 26 is supplied with direct or rectified current and permanent magnet 42 may also be provided on the driven member.
Patent GB-904502-A (GB)
Title: Control for controllable pitch propeller or fan
IPC: B64C11/40
Filed: 1960-10-03
Abstract: 904,502. Fluid-pressure servomotor-control systems. HARTZELL INDUSTRIES Inc. Oct. 3, 1960 [April 27, 1960], No. 33897/60. Class 135. [Also in Groups XXVI and XXXIII] A controllable pitch propeller, as shown a propeller fan driven through a gear-box 54 by a motor 20 and having blades 16 which propel cooling air through a heat exchanger and are adjusted to maintain a constant temperature of cooled fluid leaving the heat exchanger, comprises a piston 82 or diaphragm for adjusing the pitch through a plate 74 and rods 72 engaging eccentric blocks 68 attached to the blade roots, a controller 50 for the piston 82 mounted on the cylinder 80 which rotates with the fan, a negative feedback connection comprising a spring 92 between the piston and the controller, and a rotary union 44 by which a pneumatic control pressure is transmitted from a conduit 34 to a conduit 48 leading to a chamber 142 in the controller, and a pneumatic or hydraulic actuating fluid is conveyed from a conduit 46 to conduits 52, 108. The control pressure, which is varied by a recording instrument (not shown) in accordance with variations of the temperature of the cooled fluid leaving the heat exchanger, acts on a differential diaphragm assembly 100, 102 to move an element 124 which has a passage 122 leading to exhaust 128. Downward movement of the element 124 away from the end of a valve stem 116 thus connects a chamber 114, which communicates with the upper end of the cylinder 80 through a passage 130, with exhaust to cause upward movement of the piston 82 until the spring 92 causes the passage 122 to be closed by the stem 116. Upward movement of the element 124 causes a ball element 118 on the stem 116 to connect the chamber 114 with the actuating fluid conduit 108 and thereby to cause downward movement of the piston. A loading spring 132 adjustable by a screw 138 acts on the element 124. The piston 82 or diaphragm may be loaded by a fluid cushion instead of the spring 86. Alternatively, it may be double-acting in which case it is controlled by a pair of valve assemblies mounted on opposite sides of a hinged arm which controls the valve assemblies by coating with nozzles and is actuated by a bellows subject to the control pressure. Over-riding manual or automatic controls may be provided for reversing the pitch of the propeller.