baber/WOPTO huggingface dataset:
Patent GB-1158240-A (GB)
Title: Vibratory Impact Tool.
IPC: E02D7/10
Filed: 1966-05-24
Abstract: 1,158,240. Pile drivers. GENERAL DYNAMICS CORP. 24 May, 1966 [24 May, 1965 (2)], No. 9110/69. Divided out of 1,156,824. Heading E1H. In a tool for driving a pile 604 a hammer 614 comprising parts 626, 622, 616, 630 is oscillated by fluid from a pump P and controlled by a valve 638, the pile being located in the tool by a flange 636. The hammer is centred by fluid supplied by a pump 658 to a cavity 608, the fluid leaking from the cavity over the top of the hammer back to the pump.
Patent GB-321628-A (GB)
Title: Improved means for packing eggs and other commodities for despatch and storage purposes
IPC: B65D5/50
Filed: 1929-03-21
Abstract: 321,628. Hartmann, C. W. March 21, 1929. Boxes made from special blanks; cellular boxes. -Eggs &c. are packed in a box containing a number of cells 2 arranged in stepped relation, their sides being inclined to the sides of the box. The box may be formed from a blank cut and creased as shown in Fig. 1 to provide a bottom 8, sides 6, ends 7, and lid 5 adapted to be collapsed into the flat condition, interlocking end flaps 11, 12 being provided on the sides and peripheral flaps 9 on the lid. The cells may be supported out of contact with the bottom by platforms 16 secured at one edge to the sides 6 and arranged to fold down on to the bottom. Similar platforms secured to the sides 6 may also serve to keep the cells from contact with the lid, or a single platform supported from one side may be used. The top platform may also be formed bv extensions 19 from the lid as shown in Fig. 7.
Patent GB-540773-A (GB)
Title: Improvements in or relating to radio transmitters for ultra-high frequencies
IPC: H01P7/02
Filed: 1940-05-24
Abstract: 540,773. Electric resonators; wireless signaling. ELECTRICAL RESEARCH PRODUCTS, Inc. May 24, 1940, No. 9180. Convention date, July 26, 1939. [Classes 40 (iii) and 40 (v)] In an ultra-high-frequency transmitter tuned by Lecher wires, the effective length of the wires 16, 17 is varied by axial adjustment of a third parallel conductor 30; the earth connection of the cathode 11 is tunable at 37, 38; frequency modulation is effected, for a distance-indicating system, by rotation of a condenser plate 25 by a motor 26, and the earthward capacitive path through the bearings of the motor is short-circuited by capacity at 57 to eliminate fluctuations of output ; the coupling of the transmitter to the aerial can be varied by deformation of a loop 19 ; and the transmitter is enclosed in an earthed conductive casing 18, the parts being adjustable from outside the casing. The oscillator valve 10 is tuned by screwing the earthed rod 30 in or out so as to vary the length of the part of it which is adjacent to the Lecher wires 16, 17. These terminate in plates 48, 50 which are insulated from the casing 18 by mica, so as to form bypass condensers, and are connected respectively to the anode battery 44 and variable grid-leak resistance 46. The filament current is drawn from a battery 36 through a co-axial line 34 which is somewhat less than a quarter of a wave-length long and has its inner and outer conductors connected respectively to plates 71 and 52 which form byepass condensers with the casing 18, while the outer conductor is also capacitively earthed through a pair of plates 37, 38, the latter of which is earthed through a bearing 43, can be moved axially by means of an insulating rod 40, for the purpose of tuning the connection between filament and earth, and is frictionally held by a fibre bush 42. The frequency of the oscillator may be tested by means of a wavemeter 63 which is connected to the outside of the co-axial line 34 at a suitable point through resistance 73. The frequency is modulated by a rotating condenser 25 driven by a motor 26, but the capacitive earthward path through the ball bearings 56 tends to cause fluctuations in the amplitude of the output; this effect is prevented by a short-circuiting condenser which comprises an outer fixed and earthed cylinder 58 and an inner revolving cylinder 57 mounted on an insulative upper portion 54 of the shaft. The antenna circuit comprises a dipole antenna 21 fed through a co-axial line 20, and a second length 22 of co-axial line having a short-circuiting plug 23 whose position can be adjusted by means of a knob 24 for the purpose of tuning the aerial circuit. The latter is connected to the Lecher wires 14, 15, and so to the valve 10, through a deformable U-shaped loop 19 which is joined to the inner conductors of the co-axial lines 20, 22 and can be bent into or away from the plane of the Lecher wires by means of an adjusting-nut 70. Specification 533,538 is referred to.
Patent GB-884252-A (GB)
Title: Improvements in or relating to drive for printing machines
IPC: B41F3/58
Filed: 1958-03-21
Abstract: 884,252. Linkwork. FRANKFURTER MASCHINENBAU A.G. March 21, 1958 [Feb. 13, 1958], No. 9185/58. Class 80 (3). [Also in Group XVI] In order to effect a fast return traverse of a printing press type-bed, following a slower printing traverse, a drive pinion 1 rotates a gear-wheel 2 carrying a pin 3 rigidly attached to a disc 5 carrying rigidly a second pin 4 rotatably connected to a pivoted weight 6 at a point remote from its pivot, and the disc 5 is rotatable in a ring 7 carried by a rod 8 pivoted to a lever 9 pivoted at 11 to the bed 10 and at 12 to a link 13 carried on a fixed pivot 14. Rotation of the wheel 2 causes the bed to be accelerated during the first part of the leftward printing stroke and to be moved at substantially constant speed during the remainder of the stroke, and to be moved more rapidly and with greater acceleration and deceleration on the rightward return stroke.
Patent GB-418730-A (GB)
Title: Improvements in or relating to lubricating devices
IPC: F16N21/02
Filed: 1933-06-27
Abstract: 418,730. Lubricators. BRETTELL, F. G., 14, High Holborn, London. June 27, 1933, No. 9195/34. Divided application. [Class 12 (iii)] A lubricant fitting has concentric large, intermediate and small bores, 97, 99, 100 adapted to receive a valve member 106, which seats on the junction between the bores 97, 99, and extends into and closes the small bore 100. The juncture between the small and intermediate bores is coned. The valve is held closed by a spring 104 which abuts a member 118 welded to the fitting. Instead of the member 118, the spring may abut a perforated disc secured in the bore 97 or projections pressed out of the shank 96. The fitting has a hexagonal part 95 for screwing it into place, or it may be forced into place. If the fitting has a cap it is provided with an additional screwed portion 95<1>, and the cap has a conical portion 122 which bears against the spherical head 93. The fitting may be attached to the oil container of a capillary syphon lubricator.
Patent GB-761547-A (GB)
Title: Improvements in and relating to lathes and like machine tools
IPC: B23Q1/01
Filed: 1953-04-02
Abstract: 761,547. Lathe details. WALDRICH, O. April 2, 1953 [April 29, 1952], No. 9270/53. Class 83 (3). A lathe or like machine tool has the carriage supported by a bed with an unsymmetrical inverted V-guide, of which the more steeplyinclined surface is on the side towards the work and serves as the main guide surface, a further flat-guide being provided with its surface parallel to the less steeply-inclined front surface of the first guide. A rib or support 26 of the lathe-bed has a steeply-inclined main guidesurface 32 and a front-surface 33 less steeplyinclined. These two surfaces constitute an inverted unsymmetrical V-form and, together with a flat surface 35 on a further rib 27, support the lathe-carriage 30. The surface 35 is parallel with the front support-surface 33. Adjusting wedges or gibs are provided at 34 and an overhanging lip 36 on the rear of the carriage engages underneath the rear edge of the guide-surface 35. A tailstock 31 is arranged on similar guideways on ribs 28, 29, and on the rib edge of the rib carrying the guide-surface 35. The tailstock may be clamped by a wedge 41 and is arranged to slide past the carriage 30. In a modification the rib 28 is omitted. Racks for the feed of the carriage and tailstock are arranged in approximate central positions for the carriage and tailstock at 38 and 44 respectively. An additional carriage of similar construction to the carriage 30 may run along the back of the bed. A cross-slide 45 carries a longitudinally-adjustable toolholder 47 which is provided with guideways of similar configuration to those provided for the carriage 30. Discharge shafts 11, 12 are provided between the front and rear guide ribs respectively, to carry away the cuttings.
Patent GB-1486121-A (GB)
Title: Servomechanisms
IPC: G05D3/12
Filed: 1975-03-06
Abstract: 1486121 Automatic control of position INTERNATIONAL BUSINESS MACHINES CORP 6 March 1975 [28 May 1974] 9301/75 Headings G3N and G3R A track follower servo-mechanism includes a track deposition unit adapted to produce a digital signal sequence purporting to define a track to be followed and a retrospective error signal monitor for generating a digital signal sequence representative of repeatable components of a track following error signal.  As shown, a data storage system incorporates a magnetic disc 16 with respect to which a member is positioned. The member is gauged to a mirror 17 which deflects a light beam from a laser 10 through triangular apertures 12 in the disc so that interrupted light is received by a detector and waveshaper 13. The output of the device 13 is used by a de-coder 15 to indicate the present digital position of the member and mirror 17. A sequencer 1 contains a series of command positions, each defining a track. A selected track position is compared in a subtractor 4 with the present position of the member to provide an error signal which is fed to an adder 6 wherein it is modified to correct for repeatable disc position errors. The modification is derived from the output of a sequencer 2 containing track correction profiles for all the tracks on the disc each of which is updated by the output of a signal generator 3 analyzing the harmonic content of the error signals from the subtractor 4. The modified error signal is fed to a D/A convertor 7 the output of which is amplified to control an actuator 9 positioning the member.
Patent GB-878524-A (GB)
Title: Apparatus for supervising and controlling textile machines
IPC: D01H13/22
Filed: 1958-03-24
Abstract: 878,524. Stop motions, alarms and signals. BREUNING, E. March 24 1958 [March 27, 1957], No. 9355/58. Classes 120(2) and 120(3) [Also in Group XXXVI] Breakage of a thread in a textile machine particularly a spinning mill machine is detected by an electrode or electrodes contacted by the broken thread to control the charging of a condenser, which is intermittently connected to a warning or control circuit. In the arrangement of Fig. 2, the broken thread bridges electrodes 6, 7 completing a charging circuit through resistor 14 for a condenser 15. Contact 16 periodically connects this condenser to an amplifying and pulse lengthening circuit to operate a relay which in turn controls a warning device and stops the machine. In an alternative arrangement (Fig. 3, not shown), one electrode only is provided which is earthed by the broken thread. Earth is connected to the positive of the supply and the electrode is at 200V. negative. A number of electrodes may each be connected with its charging circuit which is connected by a rotating switch (Figs. 4, 5, not shown) to the amplifier circuit while a corresponding indicator is connected to the amplifier output.
Patent GB-602801-A (GB)
Title: Improvements in or relating to cutting, grinding, polishing, cleaning, honing, or the like
IPC: B24B1/04
Filed: 1945-04-14
Abstract: 602,801. Method of abrading. FARRER, J. O. (Industrial Research Corporation). April 14, 1945, No. 9364. [Class 60] [Also in Group XXXV] A method of removing material from a solid body comprises subjecting the solid body primarily or solely to the repeated rapidly successive impinging abrasive impulses of abrasive material in finely comminuted form oscillating at high frequency (400-1,000,000 cycles/sec.) and minute amplitude, the oscillations being transmitted to or engendered in the abrasive material. A nickel rod 20, Fig. 1, mounted at its centre is caused to vibrate longitudinally by a magnetostrictive action generated by two coils 21, 22. The vibrations are transmitted to abrasive material interposed between the tool and the work ; the abrasive may be suspended in a liquid, Fig. 6, and be vibrated by a tool surface 35 to abrade a work surface 37. The tool may be suitably shaped, coated with abrasive and vibrated longitudinally, torsionally or transversely for a variety of grinding operations. The workpiece may also be vibrated. The tool or work may by given an additional macroscopic movement in order to operate on a defined area. Vibrations may be transmitted to the tool' from the vibrator through a column of liquid of a suitably calculated length.
Patent GB-1170126-A (GB)
Title: Snap Fastener Assembly.
IPC: A44B17/00
Filed: 1967-02-28
Abstract: 1,170,126. Stud and socket fastenings. SCOVILL MFG. CO. 28 Feb., 1967 [2 March, 1966], No. 9386/67. Heading E2B. A snap fastener assembly or a kit of parts for such an assembly comprises a fastener element having a base 7 bearing against or for bearing against one face of a support S, centrally located fastening means 8 for engaging a mating snap fastener element, and a post 11 for projecting through and beyond a hole 17 in the support, and an attaching member 13 bearing against or for bearing against the other face of the support S and having an aperture 14 for receiving the post, the post 11 being upset into tight fitting engagement with the aperture, and a skirt 15 radially spaced from the aperture and fitting into or for fitting into the hole in the support S. As shown, the fastener element is a socket member which is intended to cooperate with a mating stud member, both members being made of a plastics material.
Patent GB-225500-A (GB)
Title: Improvements in connection with the tines of cultivators
IPC: A01B35/22
Filed: 1924-04-14
Abstract: 225,500. International Harvester Co. Nov. 29, 1923, [Convention date]. Tools, mounting yieldingly.-The upper end of a semi-rigid tine passes through a downwardly inclined taper slot 13 in a bracket 3 secured to a bar 7 of the machine frame by a strap 6 and bolts 4, 5. A spring 8 is also secured to the bar by the strap 6 and is provided with a slot 11 through which the extreme end of the tine passes, a pin 12 retaining the tine in position. A pin 9 entering an aperture in the spring 8 holds it against movement. When the tine strikes an obstruction the downward movement of the tine due to movement through the slot as the spring yields is neutralized by the upward rocking movement of the tine pivoting on the upper rear edge 14 of the slot 13; the point of the tine is then maintained at the same depth in the soil.
Patent GB-550873-A (GB)
Title: Improvements relating to friction brakes
IPC: F16D51/52
Filed: 1941-07-24
Abstract: 550,873. Brakes. ROVER CO., Ltd., and IVERSEN, P. A. SCOTT-. July 24, 1941, No. 9403. [Class 103 (i)] In internal shoe drum brakes of the selfenergising type comprising a pair of floating shoes that are relatively pivotable at one pair of adjacent ends means are provided adapted to permit constrained movement of the secondary shoe parallel to itself in a lateral direction when the brake is applied. In Fig. 1, the pivot c of the floating shoes b is connected to the anchor plate by a link f and other links g also pivoted on the anchor plate each have a pin-andslot connection h with the end of the shoe adjacent the operating device d. The brake shown is of the type in which the shoes are normally maintained in light contact with the drum but the usual release springs may be provided. That one of the-shoes b which with a given direction of rotation of the drum acts as the secondary shoe is anchored to the anchor plate by the links f and its link g and in such a manner that it is constrained to move parallel to itself. The primary shoe however by reason of the pin-and-slot connection is not so constrained. If the drum is intended to rotate in one direction only one of the links may be dispensed with. The link f may instead be attached to a short extension of one of the shoes beyond the pivot c and instead of any or all the links a direct pin-andslot connection between the shoe or each shoe and the anchor plate with protection for the necessary circumferential lost motion may be provided or instead of the link f the shoes may be provided adjacent the pivot c with short blocks of material of low co-efficient of friction, which bear on the drum. In a further construction each shoe has an extension beyond the pivot, which overlaps the other shoe and has a length corresponding to a quarter of the drum circumference. A slot is formed in the end of each extension and also in the diametrically opposite part of each shoe. One slot of one shoe thus coincides with one of the slots in the other shoe and a fixed pin extends through each pair of slots. Each shoe when acting as a secondary shoe is thus constrained by the pins and slots to move parallel to itself. According to the Provisional Specification, the links may be inclined to each other so that the shoe moves about an instantaneous centre some distance away from the drum also the movement may be constrained by a roller disposed between one side of the shoe and the anchor plate and having a tooth connection with the shoe and plate.
Patent GB-1498842-A (GB)
Title: Blended copolyetheresters
IPC: C08G63/00
Filed: 1975-03-06
Abstract: 1498842 Copolyetherester compositions E I DU PONT DE NEMOURS & CO 6 March 1975 [7 March 1974] 9415/75 Heading C3R A composition having a melting point of at least 100 C. comprising (1) 50-95% by weight of a copolyetherester having a melting point of at least 120 C. derived from (a) poly(tetramethyleneoxide)glycol of molecular weight 400 to 6000, (b) a dicarboxylic acid of molecular weight not greater than 300 and (c) a diol of molecular weight not greater than 250, units derived from (b) + (c) comprising 15-95% by weight of the copolyetherester, and (2) 5-50% by weight of either (i) a polyetherester derived from (a) + (b) or (ii) a copolyetherester derived from (a) + (b) + (c), component (2) having an inherent viscosity of more than 0À3 and having a melting point below 0 C. The composition may also contain an antioxidant, 4,4<SP>1</SP>-bis(α,α- dimethylbenzyl) diphenylamine being used in the examples. The examples describe compositions comprising (a) a copolyetherester derived from poly(tetramethyleneoxide)glycol, 1,4-butanediol and dimethyl terephthalate, optionally with dimethyl isophthalate or dimethyl phthalate and (2) a polyetherester derived from poly(tetramethyleneoxide)glycol and dimethyl terephthalate or a copolyetherester derived from poly(tetramethylene oxide)glycol, 1,4-butanediol and dimethyl phthalate or phthalic anhydride.
Patent GB-160818-A (GB)
Title: Clamping device or chuck for hand braces and the like
IPC: B23B45/06
Filed: 1921-03-30
Abstract: 160,818. Felsch, P. March 30, 1921. Hand and breast drills; chucks. - To the arm a of the brace is secured a bolt b, by screwing &c. The, bolt is slotted at e for the passage of the tool i which is secured between the notched head c of the bolt and a notched ring f, adjusted by a nut. The notches m the ring may be of various sizes and shapes.
Patent GB-160824-A (GB)
Title: Apparatus to be connected to a telephone and to deliver a message to the calling over the said telephone
IPC: H04M11/04
Filed: 1921-03-30
Abstract: 160,824. Petersen, C. J. Maglekilde-. March 31, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Telephone apparatus, replying automatically to caller.-The vibrations of the calling bell 5 throw over an arm 10 to complete the circuit of an electromagnet 18, which by attracting its armature 19 removes the brake 22 from a clockwork &c. train. The following movements then take place: the receiver 3 is lifted, the gramophone record 45 is started, the sound-box 44 lowered on to it, and the arm 48 slowly rotated to follow the. path of the needle. On completion of the message, the pawl 25 engages again in the recess 26 to apply the brake, the electromagnet being already deenergized as the member 34 has lifted the arm 10. In order that the motor shall not run down during operation, the circuit of the electromagnet is completed through a rotatable disc 54 and arm 53, but insulation 55 once in every complete revolution of the disc-say once in every ten operations-comes opposite the end of the arm 53 and prevents circuit being completed without fresh setting, so acting as a warning. When this happens the motor should be re-wound.
Patent GB-726351-A (GB)
Title: Improvements in or relating to jigs for winding electrical heating elements
IPC: H05B3/16
Filed: 1953-04-08
Abstract: 726,351. Electric heating resistances. CONNECTICUT HARD RUBBER CO. April 8, 1953 [April 25, 1952], No. 9540/53. Class 39 (3). [Also in Groups V and XXII]. An electrical heating element is formed by winding a resistance strip back and forth across one face of a jig formed in two detachable parts, looping it around projections at the ends of the jig, moulding a sheet of insulating material on that face of the jig on which the strip is wound and removing the jig in two parts to leave the resistance strip embedded in the insulating material. The jig comprises two flat plates 10, 11 adapted to abut along smooth inner edges 12 and secured together by a bridge member 15 and screws 16, 17. The outer ends of the jig are formed with projections 19, those at one end being staggered with respect to those at the other. The resistance strip having been wound across one face of the jig and around the projections, the jig is placed within a .mould to form one wall thereof and an insulating support member of, for example, rubber moulded thereon. The screws 16, 17 are then removed and the two sections 10, 11 of the jig withdrawn from the embedded strip.
Patent GB-100847-A (GB)
Title: Improvements relating to Electric Rotary Converters.
IPC: H02K47/08
Filed: 1916-07-06
Abstract: 100,847. British Westinghouse Electric & Manufacturing Co., (Assignees of Chubb, L. W.). July 6, 1915, [Convention date]. Drawings to Specification. Rotary converters.-In order to equalize heating in the different armature conductors of a rotary converter and to reduce the total heating, circulating current waves of triple frequency and of suitable amplitude and phase are produced in the electric circuits between the rotary converter and the secondary windings of its supply transformers by a triple-frequency booster. According to the Specification as open to inspection under Sect. 91 (3) (a), the triple-frequency currents may be produced by suitably adjusting the electrical constants of the circuits. This subject-matter does not appear in the Specification as accepted.