baber/WOPTO huggingface dataset:
Patent GB-344597-A (GB)
Title: Improvements in thermostatic controlling devices
IPC: F16T1/08
Filed: 1930-01-17
Abstract: 344,597. Thermostats. POTTERTON, A. B., POTTERTON. T. F. C., and POTTERTON (HEATING ENGINEERS), Ltd., T., Cavendish Works, Ravenswood Road, Balham, London. Jan. 17, 1930, No. 1720. [Class 64 (ii).] In a thermostatic valve for controlling the supply of gas to a burner in accordance with the temperature of a heated fluid, a bimetallic thermal element F in the form of a flat loop is placed in a cavity A through which the heated fluid, e.g. water, passes. The free ends of the loop F support a stud G, the stem of which passes freely through a metal plate H of aluminium, clamped between the two parts D, I, of the casing. A gas valve K is pressed downward by a spring L, so that the opening of the ports N between the inlet O and outlet P is controlled by the thermal element F. A regulable byepass R is provided. The plug M is adjustable in its casing, so that the tension of the spring L, and consequently the temperature at which the valve closes, may be varied. Alternatively, the plug M may have a spindle projecting through the cap S and carrying a milled head by which adjustment may be made. In another alternative, the plate H may be replaced by an imperforate sheet of leather.
Patent GB-186552-A (GB)
Title: Improvements in nut-locks
IPC: F16B39/10
Filed: 1922-02-23
Abstract: 186,552. Prince, A. Feb. 28, 1922. Locking nuts. - A nut E is locked to a bolt F by means of a washer A, Fig. 2, of the type having radial tongues B which can be bent into engagement with recesses D in the nut, and a radial lug G which projects inwardly into a longitudinal groove H in the bolt. According to the invention saw-cuts C are provided on either side of the tongues B to increase their pliability. The washer A has four equidistant tongues, two of which are available to lock the nut at every twelfth of a revolution.
Patent GB-1138253-A (GB)
Title: A contact for disconnecting switches
IPC: H01H1/42
Filed: 1967-01-12
Abstract: 1,138,253. Isolating switches; contacts. TOKYO SHIBAURA ELECTRIC CO. Ltd. 12 Jan., 1967, No. 1741/67. Heading H1N. The fixed contact of a pivoted blade isolating switch is arranged to be turned by the tip of the movable blade 3 between two stable positions so that the blade is locked into the closed position. The fixed contact comprises a U-shaped member 11 whose two arms are pivotally supported on a shaft 13 and are cutaway to provide two edges 12, 12<SP>1</SP> at angle α to one another. Co-operating with these edges is a plate 17 biased towards the member 11 by springs 20 so as to firmly locate the member 11 in one of two stable positions. The member 11 carries a pair of spring blades 22, each having its two ends folded inwards and biased by springs 25 to grip the blade 3. Two such fixed contact assemblies each mounted upon a fixed insulator column (4, 4<SP>1</SP>), (Fig. 1, not shown), co-operate with the ends of a blade 3 mounted upon a rotatable insulator column 1. When the blade is rotated horizontally (direction A) its initial movement drives the fixed contacts from one stable position to the other so freeing the blade from the contacts. In a modification (Figs. 5-10, not shown) two spring-urged plates (42) co-operate with two pairs of flats (37, 37<SP>1</SP>) on a block (36) attached to the shaft (30).
Patent GB-144605-A (GB)
Title: Improvements in photographic change-boxes
IPC: G03B17/34
Filed: 1920-01-20
Abstract: 144,605. Soc. Anon. des Celluloses Planchon. June 12, 1919, [Convention date]. Change-boxes, selfcontained; film packs. -In a change-box for film packs in which the films p are pulled by tabs from the front exposure compartment to the rear storage compartment. 8 over a rounded bar 3, the case is made of metal and the opening 9 through which the tabs d pass has an enlargement 9<a> into which a strip 11 of plush or the like on a pivoting arm 10 fits. The tapered ends of the tabs dare numbered and enclosed in a metal sheath or clip 12, which facilitates the insertion of the tabs. The top 1 of the case is closed by a detachable metal cap, not shown.
Patent GB-1325420-A (GB)
Title: Web processing line including web guiding and expanding apparatus
IPC: B65H23/038
Filed: 1970-10-07
Abstract: 1325420 Registering webs ALEXEFFSNYDER ENTERPRISES Inc 7 Oct 1970 [6 April 1970] 1925/73 Divided out of 1319608 Heading B8R Web guiding and expanding apparatus comprises a pair of roll assemblies for controlling the edge position of a web, one operating on each edge, each assembly comprising a first roll 11 supported by a shaft 10 one end of which is supported in a pivotal support 9 connected, via a link 25 and link 23 with fixed pivot 24, to the rod 22 of an edge sensor controlled piston 21 so that the roll may be moved toward and away from the edge of the web to vary its bite. The roll 11 may operate between fixed rolls 8, 18.
Patent GB-784159-A (GB)
Title: Improvements in lathes and like machine tools
IPC: B23Q16/00
Filed: 1955-01-21
Abstract: 784,159. Lathe details. JEANNERET, J. L. Jan. 21, 1955 [June 1, 1954], No. 1943/55. Class 83 (3). A saddle 4, Fig. 3, and cross-slide 5 have stop means H for determining the depth-of-cut during longitudinal feed stop L for limiting the longitudinal feed and stop R for limiting the cross-feed, each means comprising a number, e.g. six, of stop bars for a sequence of cuts and being mounted in barrels 7-9 which are indexed simultaneously after each cut. The indexing is performed manually from a knurled knob 10 which drives a drum 56, Fig. 4, carrying a programme of the cuts to be taken and visible, a line at a time, through a slot 11. The knob also drives a sprocket 12 having a detent 121 for positively engaging the positions in turn, the sprocket driving, via chain 15, a sprocket 13 keyed to shaft 14. This shaft drives through bevel gears 16, 17 a shaft, sprocket 18 and chain 19, sprockets 20, 21 connected to the barrels 8, 9 and, via sprocket 22, chain 23 and sprocket 24, a shaft 40 connected to barrel 7. The barrels are rotatably mounted respectively on the bed A, the saddle 4 and the slide 5. Barrel 7 is of hexagonal cross-section, each facet being grooved longitudinally to receive the stop bars. Barrels 8, 9, Fig. 7, are cylindrical and retained in housings 33 by straps, the stop bars being secured in bores, equally spaced around the axes, by screws 35. The barrels are driven from the sprockets 20, 21 by removable spindles 26, 45 respectively, spindle 45 permitting movement of the cross-slide. The feeds may be disengaged by the stop-means, e.g. in the manner described in Specification 784,086.
Patent GB-432040-A (GB)
Title: Improvements in or relating to filter circuit arrangements and resistance units for use therein
IPC: H04B1/10
Filed: 1934-01-19
Abstract: 432,040. Impedance networks. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London, and WRIGHT, F. M., Craigellachie, First Avenue, Chelmsford. Jan. 19, 1934, No. 1951. [Classes 40 (iii) and 40 (v)] A filter unit for decoupling circuits in ultra-high-frequency apparatus comprises a resistance GL inside an earthed screening-tube A to which it is connected through condensers K, so that highfrequency oscillations are attenuated instead of passing through the resistance GL to the following circuit. The tube A may have screening caps at its ends, Fig. 4 (not shown). The resistance GL may be wound helically upon a former having end-pieces similar to EC which fit into the cylinder A, Fig. 5 (not shown) ; or it may comprise a straight rod or wire, Fig. 6 (not shown) ; or it may be of the grid-leak type, Fig. 8. The condensers K may be inside the tube A or may be clamped to its outside near one end. Several of the units described may be connected in cascade. The resistance is at least three times as long as it is wide, and the diameter of the screening-tube A is at most ten times that of the resistance. When the resistance is helically wound, the diameter of the screen must be so small that the inductance of the helix is short-circuited.
Patent GB-819308-A (GB)
Title: Wire bending machines
IPC: B21F35/04
Filed: 1956-01-20
Abstract: 819,308. Angular bending. SANIGAW WIRE PRODUCTS Inc. Jan. 20,1956 [Jan. 20, 1955], No. 2033/56. Class 83 (4). A wire-bending machine having a frame, spaced-apart individual slide housing means disposed generally oppositely each other, means adapted to hold the wire, guiding rails carrying the slide housing means, slide members movable in said housings, in a direction transverse to that of the guide rails, toward the wire to cooperate with each other in forming the wire, and means for moving said slide members in timed sequence. A wire W is dropped from a hopper 67 by reciprocated plates 68, 68a into wire supporting grooves 63a of L-shaped members 63 adjustably bolted to opposed horizontal guide rails 22a, 22b held straight in the machine frame 20 by wedge plates 52, 53, Fig. 9. Slide housings 58 adjustably spaced along the guide rails accommodate slides 60 carrying shaped die heads 62. Cams 24 on shafts 25a, 25b, driven from a motor 26 through a heavy pulley 30 and gearing, rock bell cranks 76a which, through bars 79 pivoted thereto, move the slides 60 toward the wire, springs 93 returning the slides. The cams are so arranged that in operation, first opposed slides a, a<SP>1</SP> are moved forward to grip the wire, then a slide b is moved forward to push and bend the wire against a die member b<SP>1</SP> adjustably fixed on the guide 22b and then a slide c is moved to bend the wire against a die member c<SP>1</SP> adjustably fixed on the guide 22a. Further additional slides could be moved forward in sequence further to bend the wire. When the slides have all returned the bent wire drops on to a discharge conveyer. The slides a, a<SP>1</SP> besides holding the wire initially may also be moved later in the sequence to bend the wire. When the machine is to be shut down a brake band 43 is tightened round the pulley 30 by a solenoid 51 so that the machine stops with all the slides retracted.
Patent GB-138157-A (GB)
Title: Improvements in grillers for gas cookers
IPC: F24C15/18
Filed: 1919-01-28
Abstract: 138,157. South Metropolitan Gas Co., and Chandler, D. Jan. 28, 1919. Gas cooking-stoves.-A grilling-plate c is pivotally mounted in a frame b adapted to be attached to the back of the hot-plate of a gas cooking-stove, and is capable of being turned into horizontal and vertical positions according as it is in or out of use. In the form shown, the grilling-plate is attached to the Venturi tube d, which is mounted in sockets in the frame and forms a hinge. A pair of doors f support the griller when it is in use, and fold in front of it when it is in the vertical position.
Patent GB-647413-A (GB)
Title: Shock absorber
IPC: F16F9/54
Filed: 1948-01-23
Abstract: 647,413. Making rings. GABRIEL CO. Jan. 23, 1948, No. 2099. Convention date, Feb. 10, 1947. [Classes 83 (ii) and 83 (iv)] [Also in Group XXXII] Attaching-eyes or rings for a telescopic shock absorber (see Group XXXII), are each formed by severing a blank from a strip of flat metal, stamping the blank to give it a substantially V-shaped cross-section and then bending the blank into a ring, Figs. 5 and 6, and securing the ends 18 by welding &c. The severing, stamping and bending operations may be performed in a single machine of known type. Stretching rings.-In another method, Figs. 8 and 9, the eyes are formed from blanks 20, severed from tubular stock, which are operated on internally by a pair of swaging tools 21, 22.
Patent GB-734367-A (GB)
Title: Improvements in or relating to tools for use in the formation of joints between ductile metal tubes of light gauge
IPC: B21D39/20
Filed: 1953-01-26
Abstract: 734,367. Tube expanders. MERCER, C. E. C., and BRITISH STEAM SPECIALTIES, Ltd. Dec. 24, 1953 [Jan. 26, 1953], No. 2199/53. Class 83 (4). A tube expander includes a body portion 1 having mounted in a recess at one end a longitudinally segmented bush 3 which is expanded radially, against the action of a coil spring 11, by axial movement of a conical mandrel 5. This is effected by rotation of an internally threaded nut 6 rotatably mounted in the other end of the body portion 1 and threading onto a threaded end 7 of the mandrel, rotation of the mandrel being prevented by the engagement of a pin 15 thereon in a longitudinal slot 16 in the body 1. An adjustable stop against which the end of the. mandrel may abut may be provided by prolonging the bore of the nut 6 and inserting an adju-ts able stop screw therein.
Patent GB-465755-A (GB)
Title: Improvements in television
IPC: H04N5/225
Filed: 1936-01-23
Abstract: 465,755. Television transmitters. RADIOAKT.-GES. D. S. LOEWE. Jan. 23, 1936, No. 2210. Convention date, Jan. 26, 1935. [Classes 39 (i) and 40 (iii)] In the optical production of a trapezoidal area from a rectangular area by using relatively tilted planes, as described in Specification 464,831, non-linearity in the scale of the reproduced area has a minimum value. The plane of the object 7 and the plane 11 of the image are oppositely inclined relatively to the plane of the lens 1, the middle point of the area of the object is displaced from the axis of the lens, and a ray 12 passing through the centres of the image and the lens is at right angles to the image. The angles of the plane of the lens and of the plane of the object relatively to the plane of the image are variable, while the centres of the object and the lens remain perpendicularly above the centre of the image. Scanning with equidistant scanning lines and interlaced scanning is used. The lens 1 may be incorporated in the envelope of an iconoscope, Fig. 3 (not shown).
Patent GB-710795-A (GB)
Title: Improvements in or relating to dental engines
IPC: A61C1/05
Filed: 1952-01-28
Abstract: 710,795. Turbines. NORLEN, P. I. Jan. 28, 1952 [April 10, 1951], No. 2249/52. Class 110(3) [Also in Group VI] A turbine for operating a dental handpiece is rotated by a pressure medium, such as compressed air, supplied through a flexible hose, and is arranged on a shaft so that a rotary motion is transmitted to a burr in the handpiece, the pressure medium being regulated by a manually operable member arranged between the burr and the turbine casing, the pressure medium passing to the turbine casing through a valve so that it flows through the turbine in a direction away from the burr. A turbine wheel 2 is fixed on a shaft 3 connected by a claw coupling 8, 9 with a handpiece shaft 10. Compressed air entering a portion 12 of the turbine casing through a nozzle 17 passes through a valve opening 22 controlled by a rubber sealing member 23 which is held against a cylindrical valve body 19 by a ring 24. The rubber sealing member 23 normally closes the valve opening 22. the valve body 19 being pressed forwardly by a helical spring 21. A partition 13 is provided in the turbine casing and is provided with conical nozzles 14 through which air which, has passed through the valve opening 22 is conveyed to the turbine wheel 2. a sound absorber 74 being provided. The burr end of the handpiece shaft 10 is screwed into the reat end of a burr fixing sleeve 38, which rear end 39 is square in cross-section. A control key 40 of a bellcrank projects entirely or partially from the outer sleeve 33 of the handpiece and 'regulates the 'valve opening 22 and consequently the speed of rotation of the turbine wheel 2. On depression of the control key 40 a forked arm 42 of the bellcrank bears against a sleeve 43 which surrounds the handpiece shaft 10 and presses it rearwardly so that two parallel pins 44, attached to the rear end of the sleeve 43. press against a sealing diaphragm 29 which, in turn moves a valve nut 20 and the valve body 19 rearwardly thus opening the valve opening 22 against the closing action of the helical spring 21. A burr is secured in the handpiece when the control key 40 has been swung upwardly so that the forked arm 42 engages the rear portion 39 of the burr fixing sleeve 38, fixing of the burr being accomplished by turning a button 6, Fig. 1, at the rear end of the turbine shaft 3.
Patent GB-1035881-A (GB)
Title: Stitch forming drive mechanism
IPC: D05B57/30
Filed: 1965-01-19
Abstract: 1, 035, 881. Sewing machines. SINGER CO. Jan. 19, 1965 [Jan. 28, 1964], No. 2271/65. Heading D1G. A sewing machine comprises a pivoted shaft carrying a looptaker and a gear pinion, a drive bar, a rack member secured by fastening means to one end of the drive bar, guide means for maintaining the rack member in mesh with the gear pinion, and means driven by the main shaft for imparting an endwise reciprocating component of motion to the drive bar. A cam member, also secured by said fastening means to the drive bar, is adapted to impart feed lift movement to the feed bar. A vertical shaft 28 carries a looptaker 29 and a gear pinion 26. A rack 23, secured by screws 25 to one end of a drive bar 20, is slidable in a bracket pivoted on an eccentrically-mounted pin, rotation of which serves to adjust the meshing of rack 23 with pinion 26. The other end of bar 20 is pivoted at 21 to a pitman 16 which is pivoted about a vertical axis on pintles 17. The upper forked end 18 of pitman 16 embraces a cam surface on a crank 15 provided on the arm shaft 13. The arrangement is such that rotation of shaft 13 serves to oscillate pitman 16 and to impart a combination of angular and reciprocating motion to bar 20 for oscillating the looptaker 29. A cam member 37 is secured to bar 20 by the screws 37 and serves to impart feed lift movement to the feed bar.
Patent GB-142144-A (GB)
Title: Improvements in machine gun mountings
IPC: F41A27/06
Filed: 1918-02-08
Abstract: 142,144. Krzyzanowski, T. R. Feb. 8, 1918. Tripod and like mounts for machine guns.-Consists in sup porting the gun trunnions 20 ir a forked bracket 17 upstanding from and overhanging a turn table 14 which is supported by ball bearings 15 on a stand 12 carrying a vertical pivot pin 16 This pin supports the breech 27 of the gun against recoil when the gun is vertical.
Patent GB-113282-A (GB)
Title: An Improved Automatic Vending Machine.
Inventor: VOGT WILHELM
IPC: G07F11/62
Filed: 1918-02-08
Abstract: 113,282. Vogt, W. Feb. 8, 1917, [Convention date]. Delivery of articles stored in separate compartments. - The apparatus is of the type in which a rotatable spring- actuated delivery receptacle containing a single article is released to effect the delivery by the operation of a pushbutton after the insertion of a coin. The delivery receptacle comprises a tray 3 mounted in an overhanging casing 2 by means of pivot pins 4, 5, which work in bushes 6, 7, the tray being normally locked by the engagement of a projection 15<a> on a sliding bolt 15 mounted in the sleeve 6 with a recess 16 in a disk 17 forming part of the pivot pin 4. The tray 3 is detachably connected to the pivot pins by the engagement of claws 9, 10 with a bar 11. The operation of a spring-controlled push-piece 12 after the insertion of a coin serves to thrust back the bolt 15 and remove the projection 15a from the recess 16, whereupon a spring 21 rotates the tray into the position shown in Fig. 1, and the article falls into a trough 8 beneath. As the tray rotates, bolts 22 sliding in the pivot pin 5 drop into a recess 23 in the bush 7 and lock the tray in the open position. A channel 26, Fig. 6, leads into the recess 23, so that the bolts come into operation before the article is delivered. Coin action, mechanical connexion. - The coin resting in a slot 13 in the push-piece 12 serves to thrust back the bolt 15 by engaging a projection 15<b>, which works in a slot 18 in the push-piece. The push-piece is prevented from returning by the engagement of the projection 15<a> with the disk 17. Filling storage receptacles.-To return the tray to the closed position during the operation of recharging, the attendant lifts the bolts 22 by in. serting a flat key 25, Fig. 9, into a slot 24 in the bush 5, the stepped end of the key engaging corresponding slots in the bolts, and then turning the tray back against the action of the spring 21 by means of the key. The push-piece and bolt then return under the action of the spring 20, and with them the inserted coin, which the attendant thrusts out through the insertion slot 14 by inserting the key 25 through a slot 14<a>. Diverting improper coins; fraud preventing.-A small coin falls through a return slot 14a; a thin coin fails to move the bolt 15 sufficientlv to clear the recess 16. If it is attempted to press back the bolt by inserting a wire through the slot 14 into the recess 18, the push-piece 12 moves with the bolt and nips the wire.
Patent GB-408921-A (GB)
Title: Improvements in and relating to ventilators for dynamo electric machines
IPC: F04D29/34
Filed: 1934-01-23
Abstract: 408,921. Screw fans. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl- Ufer, Berlin.) Jan. 23, 1934, No. 2354. Convention date, Jan. 23, 1933. [Class 110 (i).] The impeller blade ring is held between two discs which are made of material of greater strength than the blade ring. Where the blade ring g can pass over the coupling flange b, the former is made in one piece and the discs h<1>, h<2> are shrunk on a ring m which is cut from the flange at m<1>. Where the blade ring cannot pass over the flange b, the former is made in two parts and the discs are mounted directly on the shaft. In this case the discs h<1>, h<2> are cut from the flange.
Patent GB-338070-A (GB)
Title: Safety attachment for gas burners
Filed: 1930-01-24
Abstract: 338,070. Dunlop, S., (Hoegger, J. A.). Jan. 24, 1930. Clockwork-actuated valves; thermally-actuated valves.-A safety cut off device for use with gas burners comprises a sell-closing valve held in the open position by a catch moved in one direction by hand and in the opposite direction by clockwork under the control of a thermally-actuated catch. The valve 15 is loaded to close by a helical spring 21 encircling the valve spindle and secured at one end to a pin on the casing and is held open by a sliding detent 24 engaging a notched sector 23 on the valve spindle. The detent 24 is operated against the action of a spring 25<1> by a cam 27 mounted on a spindle 28. The spindle is coupled through a pawl and ratchet mechanism with a. clockwork train 29 and is provided with a handle 31 whereby the cam can be actuated and at the same time the spring 30 for the clockwork wound up. When the burner is alight the clockwork is arrested by a pivoted pawl 37 engaging a toothed wheel 36, which pawl is operated by a sliding plunger 41 connected, by a closely wound helical member 45 in a flexible sheath, with a corresponding plunger 49 adapated to be moved by the bending movement of the thermal member 51. The thermal strip is housed in a channel-shaped member carried by a bracket adjacent the burner.
Patent GB-1563669-A (GB)
Title: Lithographic printing ink and liquid vehicle for use therein
IPC: C09D11/10
Filed: 1978-01-23
Abstract: The solvent in the ink contains at least 70 % by weight of saturated aliphatic hydrocarbon and an addition polymer of one or a number of ethylenically unsaturated monomers with a mean molecular weight of between 1,000 and 15,000. The temperature at which the polymer changes from the vitreous state to the rubbery state is of the order of 40 to 200 DEG C. The presence of the polymer in the ink solvent permits a rapid drying when heated without the incorporation of additives intended to promote its curing.
Patent GB-1071082-A (GB)
Title: Improvements in or relating to the manufacture of moulded polyurethane foams
Inventor: PERRIN ALAN PHILIP
IPC: B29B7/40
Filed: 1962-10-25
Abstract: A mixing head for polyurethane foam materials comprises an upper cylindrical housing portion (49) and a lower frusto-conical portion (50) with a discharge nozzle (55); an agitator has four paddles (52) on arms (53), and a single triangular blade (54), sweeping housing portions (49, 50) respectively with the closest practicable clearance, e.g. 2 or 3 thousandths of an inch. Ingredients are supplied through non-return valves (10, 16, 17) and discharged by a ball valve (41).