baber/WOPTO huggingface dataset:
Patent GB-776953-A (GB)
Title: Improvements in and relating to folding photographic cameras
IPC: G03B9/08
Filed: 1955-02-14
Abstract: 776,953. Photograpbic cameras. VOIGTLANDER AKT.-GES. Feb. 14, 1955 [Feb. 18, 1954, Nov. 12, 1954], No. 4362/55. Class 98(1) In a photographic camera having a hinged base-board and a knob on the camera body for effecting an adjusting or setting operation on the lens front, the mechanism for transmitting movement from the knob to the lens front comprises a rotatable member in the camera body and a tension member moving longitudinally on the base-board, the mechanism being arranged to extend along the hinge axis so that the transmission is uninterrupted and the setting or adjustment is substantially unaltered on folding or unfolding the camera base-board. Preferably a tension member of stranded wire 5 or chain is provided and extends through tubular rivets 3 hinging the base-board 2 to the camera body 1. As shown, on rotating pulleys 4 the film is fed and arm 8 on pulley 7 sets the shutter. Guides 6 may be replaced by guide pulleys and arm 8 may be replaced by a lug on a part of wire 5 extending between two pulleys 7 placed near the opposite external corners of the base-board 2. In another form a cam disc is rotated through one revolution on changing the film and rocks a spring controlled lever pivoted on the camera body and connected to a wire extending through a rivet 3 and over a guide 6 to a belt-crank lever replacing pulley 7 and lever 8. A return spring is provided for the bell-crank lever. In other forms, a shaft 37 may extend between and be journalled in two bushes 35, 36 hinging the base board 25 to the camera body 23 or it may extend through only one bush 35. A tooth 47 (Fig. 4) pinion or drum (Fig. 3, not shown) may be provided on shaft 37, and, as shown, on a single rotation of shaft 37, to feed the film, sliders 48 and 43 set the shutter by means of lug 45 carried on slider 43. A return spring 46 is provided and a spring carried on slider 43 prevents excessive load from being applied to the shutter lever. In other forms in which'tooth 47 is replaced by a pinion or a drum and slider 48 by a co-operating rack or a wire, respectively, a reverse rotation of shaft 37 is necessary in order to bring the transmitting mechanism back to its initial position. This is made possible by arranging a releasable coupling in drive between the film wind knob and the toothed wheel 34. The wire replaces slider 48 and bell-crack lever 49 and is wound on the drum on shaft 37 against tension spring 46. When the shutter is set by moving a lever in the reverse direction the drum may be located at the other end of shaft 37 and the wire arranged around the other side of the base-board 25. The transmission mechanism may alternatively be used for focusing the objective or adjusting the diaphragm aperture or the shutter speed.
Patent GB-285094-A (GB)
Title: Improvements in binoculars
IPC: G02B7/06
Filed: 1928-02-11
Abstract: 285,094. J³rgens, K. Feb. 11, 1927, [Convention date]. Field and opera glasses.-The eye-piece tubes of binoculars are provided with racks 8 engaged by pinions 3 on a driving spindle 1 operated by a milled head 4, for focussing purposes. The driving shaft 1 is mounted in a bridge piece 5, 6 which forms the support for the two telescopes 5. The pinions 3 are of the same diameter as the driving shaft 1 to facilitate assembling, and may be relatively adjusted in their angular position on the shaft 1 and then secured so that each telescope is similarly focussed. Plates 12 having the shape of the bridge piece in plan view are fitted to secure the parts of the binocular in position.
Patent GB-690897-A (GB)
Title: Improvements relating to non-return valves
Inventor: JAY JAMES BERTRAM
IPC: F16K15/14
Filed: 1951-02-26
Abstract: 690,897. Non-return valves. HYMATIC ENGINEERING CO., Ltd. Feb. 11, 1952 [Feb. 26, 1951], No. 4588/51. Class 135 A non-return valve comprises inlet and outlet members 1, 2, respectively, secured together with a space between them and with the inlet and outlet passages leading into and from this space, and a diaphragm 9 provided with apertures 10 and placed between the two members in such manner that it is always flexed and, in the closed position, seats on that part of member 1 surrounding the inlet passage. The diaphragm is of fabric or rubber and its edge is located in the groove formed by a spacing washer 3 clamped between the members 1, 2. When opened by inlet pressure, the diaphragm is supported by an abutment 7 which is provided with a diametral groove or grooves leading to the outlet passage. In modifications, the inlet passage contains an apertured and domed disc, or there may be a plurality of inlet and outlet passages.
Patent GB-515138-A (GB)
Title: Ejector for entraining and compressing a fluid
IPC: F04F5/46
Filed: 1938-02-14
Abstract: 515,138. Ejectors. SOC. DES CONDENSEURS DELAS. Feb. 14, 1938, No. 4600. Void. ' Convention date, Feb. 15, 1937. [Class 71] [Also in Group XIII] An ejector-using an impelling fluid of much greater density than the entrained fluid is shaped as shown in Fig. 3 and may be employed in the refrigerating machine shown in Fig. 4. Water enters at 6a passing through a contracting opening which is subsequently shaped to give a rapid expansion at 6b and from 6c to 7 the opening diverges. The entrained fluid in a passage 9 surrounding the jet has substantially the same velocity at 7 as the adjacent impelling fluid. In applying the jet to a refrigerating machine, water under pressure enters the jet at 15 and entrains water vapour from brine, which streams from an entrance 11 through an evaporator 10. The brine is extracted at 12 by a pump 13. The water vapour and water pass through a condenser 16 to a pump 17.
Patent GB-1440552-A (GB)
Title: Yarn finishes
IPC: D06M101/16
Filed: 1974-01-31
Abstract: 1440552 Textile lubricants E I DU PONT DE NEMOURS & CO 31 Jan 1974 [1 Feb 1973] 04611/74 Heading C5F A textile lubricant comprises (a) 50 to 60 parts by weight of an ester oil lubricant which is a condensate of a dibasic acid with at least one monohydric alcohol or of a diol or triol with at least one monobasic acid, and which has from 25 to 35 carbon atoms in the molecule, (b) 40 to 50 parts by weight of an alkylene oxide adduct surface-active emulsifier and (c) 0À5 to 5 parts by weight of a water-soluble poly-(oxyethyleneoxy-1,2-propylene)glycol in which there are 1 to 3 parts of oxyethylene groups for each part by weight of oxypropylene groups, and which has a viscosity of 5000 to 50,000 SSU at 100‹ F. Preferred esters are di-(tridecyl)adipate, di- (undecyl)phthalate, di - (n - decyl)phthalate, trimethylolpropane tripelargonate and di- (tridecyl)phthalate Suitable emulsifiers are poly-alkenoxylated fatty acids, fatty alcohols, polyhydric aliphatic alochols, their partial esters and alkylphenols. Particularly preferred is a mixture of 40 parts of the tetraoleate laurate of sorbitol alkenoxylated with about 30 moles of ethylene oxide and about 5 parts by weight of nonylphenol alkenoxylated with 5 to 6 moles of ethylene oxide. The lubricant is particularly suitable for the draw-texturing of polyethylene terephthalate yarn, but may be used on synthetic yarns generally, including polyamides, polyolefines and other polyesters. It may be applied as an aqueous emulsion.
Patent GB-211887-A (GB)
Title: Drier and pulveriser for the combined drying and pulverisation of clays and other plastic materials
IPC: F26B11/04
Filed: 1924-02-23
Abstract: 211,887. Soc. d'Exploitation des ProcÚdÚs Hidoux. Feb. 24, 1923, [Convention date]. Continuous discharge apparatus, rotary.-In a combined drying and grinding apparatus for clay and like plastic materials the grinding drum is carried on the end of a rotary drying-cylinder and disposed in a separate compartment the disintegrated clay being separated by means of a sieve forming the periphery of the grinding-drum from the larger fragments which are retained in contact with the drying-medium. The wet clay is charged through a hopper 10, Fig. 1, into an enclosed rotary cylinder 1, the discharge end of the cylinder being connected to a ball mill having a perforated casing through which the ground clay passes into the hopper 20. The larger fragments of undried clay remain in the perforated casing in contact with the drying-medium which is withdrawn by a fan from the chamber enclosing the mill and discharged into the upper part of the casing surrounding the cylinder in which any dust carried off by the medium is deposited. The drying-medium may consist of waste gases from steam boilers, or separate gas or oil burners &c. may be used. In the event of the mill becoming overloaded, the excess material, together with ungrindable bodies, can pass over a shoot 19 and through a counter-weighted door 18 the movement of which operates an alarm.
Patent GB-415398-A (GB)
Title: Improvements relating to indirectly heated cathodes for electron discharge devices
IPC: H01J1/20
Filed: 1933-02-16
Abstract: 415,398. Thermionic cathodes. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.- (Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin.) Feb. 16, 1933, No. 4800. Convention date, Feb. 16, 1932. [Class 39 (i).] An indirectly heated cathode has a metal shell coated externally with an electron emitting substance and containing .a rod shaped insulator 2 having four or more longitudinal channels 5 parallel to the axis of the insulator for the reception of a heating wire 6, the axes of the channels lying on a surface parallel with the outer surface of the insulator, and no central channels being provided. The insulator may be of circular, elliptical or rectangular crosssection. Reference has been directed by the Comptroller to Specification 371,419.
Patent GB-196747-A (GB)
Title: An improved arrangement for binding loose sheets, pamphlets and the like
IPC: B42F11/00
Filed: 1922-02-18
Abstract: 196,747. English Electric Co., Ltd., and Kefford, H. W. Feb. 18, 1922. Fold-engaging files; sheets.-In binders for loose sheets, pamphlets, and the like of the type in which projections fixed to the sheets engage in boxes fixed in or mounted upon the inside of the back of the binder, a movable piece is provided forming part of or engaging one or more of the boxes and adapted to be displaced to secure the projections in position. These projections may comprise wires 13 or strips of metal passed through slots in the folds of folded sheets; or, the middle part of each wire may be kinked at 15, Fig. 7, to engage a cut-out part in a piece of cardboard, a piece of cloth or other flexible material 14 being then folded over the wire and adhesively secured to a sheet 12. The projecting parts 13 of the wires are received in openings 1, 10 in boxes 6 secured, by means of side projections, to the back 8 of a binder having the usual covers 9. A movable piece consisting of a split copper tube 3, provided with wings 4 for contracting it, engages in a cylindrical part of the aperture 1 or of a restricted extension 2 thereof. The movable piece may be slidable in either of the ends of the box, or it may be formed like a comb engaging a similar slotted front side of the box; alternatively, it may be pivoted. The moving piece may also be screwed into place or fixed by a bayonet slot or spring catch. The boxes may be sunk into the back 8 and the wires correspondingly cranked; or, instead of cranking the wires, the part between the boxes may be recessed.
Patent GB-831876-A (GB)
Title: Improvements in and relating to cooling of individual compartments of aircraft
Inventor: PARAVICINI THOMAS PITT DE
IPC: B64D13/08
Filed: 1957-02-13
Abstract: 831,876. Air cooling installations; refrigerating. NORMALAIR Ltd. Jan. 30, 1958 [Feb. 13, 1957], No. 4841/57. Classes 29 and 64(3) In a system for the cooling of individual compartments 43, 44 in aircraft, air is blown by a fan or like air-moving means over an air-cooling heat exchanger through which flows a liquid medium which has been in heat transfer relationship with a part (e.g. the evaporator) of a refrigerating system, the fan or like air-moving means being caused to operate under the influence of said liquid medium, e.g. through a turbine. In the form shown similar cooling systems 1, and 2, are respectively associated with each of two compartments 43, 44 to be cooled to differing temperatures. In for example the system 1, an air turbine 4 drives a pump 3 which circulates the liquid medium through a circuit comprising turbine 9, heat exchanger 7 (or by-pass 13 controlled by a temperature responsive valve 14), and cooler 16. The turbine 9 drives a fan 8 which blows air from compartment 43 over the air cooling heat exchange 7. The now warmed liquid is re-cooled in flowing through cooler 16 which comprises an evaporator of a two stage compressorevaporator type refrigerating system 28. In the system 28 refrigerant is compressed in a low pressure compressor 29 (driven by an air turbine 30) and then in a high pressure compressor 32 (driven by an air turbine 33). The refrigerant flows then through parallel-connected condensers 35, 36 in which heat is rejected to fuel and water, and then through an evaporator 27 which comprises the circulating fluid cooler in the compartment 44. The condenser 36 is only operative during overload or emergency conditions. Evaporator 27 communicates with the inlet side of high pressure compressor 32 by way of conduit 39 and with evaporator 16 by way of conduit 40 which incorporates an expansion valve 41. The refrigerant leaving evaporator 27 through conduit 40 is at a lower temperature than that leaving through conduit 39. Hence compartment 43 may be maintained at a lower temperature than compartment 44. The circulating liquid in the systems 1, 2 preferably comprises a water/antifreeze mixture the proportions of which may differ for each compartment.
Patent GB-717969-A (GB)
Title: Improvements relating to composite instrument units
IPC: B60K37/02
Filed: 1952-02-25
Abstract: 717,969. Indicating-apparatus. DAIMLERBENZ AKT.-GES. Feb. 25, 1952 [Feb. 24, 1951], No. 4875/52. Class 106 (4). [Also in Groups XXXI, XXXII and XL (c)] A composite instrument unit, composed of a plurality of individual measuring instruments disposed one beside or one above another, for the supervision of operations or conditions on a motor vehicle, has the indicating scales 4 of the individual instruments arranged closely one beside or one above another on the curved surfaces of respective members of drum-shaped form, the sizes of which members decrease in steps from scale to scale. The drum-shaped scale members 4 may be disposed one above another with their axes offset in relation to one another or they may be arranged side by side on a common horizontal axis, but preferably they are located one above another on a common axis with their diameters progressively increased in the downward direction. As shown in Fig. 1 instruments e.g. a speedometer, petrol gauge, thermometer in a common housing 2 are disposed in front of the steering wheel 3 on an instrument panel 1 made for example of bracket form. If the steering wheel is at one side, symmetry may be preserved by mounting on the panel a radio instrument of the same external shape as the housing 2 at the other side.
Patent GB-268102-A (GB)
Title: Improvements relating to taper-turning on lathes and the like
IPC: B23B5/38
Filed: 1926-02-20
Abstract: 268,102. Spurrell, W. Feb. 20, 1926. Turning. - Taper work is turned in a lathe by means of a gauge having holes 3 for attachment to the tool slide and provided with lips 1, 2 which project at different distances from the gauge body according to the taper required. In one arrangement the gauge may be fixed to the front of the swivelling upper slide, which is set until both projections lie against the work, which is then turned by hand feed of the top slide. If the parallel feed from the lead screw is to be employed the gauge is used to set over the tailstock to the extent necessary to produce the required taper. In an example for cutting a No. 3 Morse taper, the space between the lips is 2 <9>/16 in. and the difference in height of the lips is .064 in.
Patent GB-117907-A (GB)
Title: Method and Machine for Preparing Seed Beds.
Inventor: HICKS THOMAS WILLING
IPC: A01C5/06
Filed: 1917-04-05
Abstract: 117,907. Hicks, T. W. April 5, 1917. Ploughs; cultivators; manure and seed distributors.-Relates to cultivating machines for pulverizing the soil and returning it to the furrow in graduated strata with the finer granules at the bottom, and comprises, in combination with a ploughshare, a mechanically driven rotor having a series of prongs, knives, or tines, and arranged approximately vertically immediately behind the ploughshare, the soil being guided to the rotor from the share and, after pulverization, being deposited on the subsoil in graduated strata. The machine may further embody seed-sowing and fertilizer-distributing means. As shown in Fig. 1, the rotor 16 is carried by a shaft 10 driven by bevel gearing 9 from the engine, and supported in a casing 27 trunnioned in brackets 26 to enable the rotor to be swung up out of action. The lower end of the rotor is supported on a shoe or bracket 13 extending from the share 14, a stub shaft 23, Fig. 3, being pinned to a seating 20 on the shoe 13 and serving as a bearing for the hollow rotor spindle 16. The soil is guided to the rotor by a conveyer 15 comprising an extension of the share 14. The graduation of the soil may be effected by the arrangement of the rotor tines. For this purpose, the tines may be spaced apart at gradually decreasing distances as shown in Fig. 8, or the thickness of the tines may vary, or some of the tines may be arranged at acute angles, as shown in Fig. 10. In the arrangement shown in Fig. 11, some of the tines are carried by a loose sleeve 92, the two sets being driven at different speeds. In the machine shown in Fig. 1, the tines are uniformly spaced, the grading being effected by means of a screen of gradually increasing mesh, as shown in Fig. 6. In this arrangement, the screen is attached to the machine behind the rotor, and is agitated by a pair of eccentrically mounted wheels 97. As the machine is drawn forward, the finer granules of soil drop through the front part of the screen and are subsequently covered by the coarser granules dropping through the larger mesh. Seed and fertilizing media may be sown in predetermined relation to the strata, from hoppers 99, 101, with outlets 100, 102 arranged at suitable parts along the length of the screen. A spiked roller 98 or a series of disks indent or puncture the soil uniformly along the length of the furrow, to establish a more intimate relation between the subsoil and the root section of the seed bed. Weighted rollers 103, 104 serve to pack the soil.
Patent GB-556182-A (GB)
Title: Electro-magnetically-operated clutches or brakes
IPC: F16D27/08
Filed: 1942-04-15
Abstract: 556,182. Brakes. ROVER CO., Ltd., and IVERSEN, P. A. SCOTT-. April 15, 1942, No. 4938. [Class 103 (i)] [Also in Group XXIV] In an electromagneticallyoperated friction device, e.g. brake or clutch, in which the main frictional engagement is effected at the surface of a non-magnetic frictional material, the magnetic circuit has co-acting parts which are relatively rotatable during engagement but provide no air-gap or only an extremely small one and which can wear at about the same rate as, or at a greater rate than, the rate of wear between the frictional driving surfaces. As shown, a flywheel 11 on a driving shaft 13 has friction plates 21 co-acting with friction plates 22 on a disc 23 on a driven shaft 25. The flywheel 11 carries an electromagnet 17 of magnetic steel the coil 18 of which is positioned by an annular disc 19 of non-magnetic material. The magnet armature comprises a disc 26 fixed to the driven disc 23 and made of magnetic metal powder compressed and/or cemented by a binder so that its surface can wear away by friction when engaged by the adjacent face of the electromagnet. In a modification the electromagnet comprises an annular series of coils and the friction faces are lightly pressed together by springs. In another modification the armature disc 26 is of cast iron and the surface of the magnet has a plurality of files or like abradant members in its surface to ensure that the surface of the armature will be worn down at a greater rate than wear will occur between the non-magnetic friction surfaces.
Patent GB-564815-A (GB)
Title: Improvements in or relating to optical objectives
IPC: G02B13/00
Filed: 1943-03-29
Abstract: 564,815. Optical objectives. KAPELLA, Ltd., and WYNNE, C. G. March 29, 1943, No. 5041. Addition to 522,651. [Class 97 (i)] In an objective according to the parent Specification, the rear element of the third component, and the fourth component, have refractive indices between 1.7 and 1.8 and AbbÚ V numbers between 40 and 50. The radii R10, R12 may be less than 4 times the focal length F of the objective and greater than 1.5 F, and the sum of the radii R5, R6 may be between .5 F and .7 F. Complete data for one example are set out, in which the rear element of the third component, and the fourth component, are made of a glass as described in Specification 462,304, [Group XXIII].
Patent GB-311471-A (GB)
Title: Improvements in or relating to the manufacture of safety-pins
IPC: B21G3/04
Filed: 1928-02-17
Abstract: 311,471. Merzinger, E. Feb. 17, 1928. Feeding articles from hoppers and shoots. - In a device for transferring the caps of safety pins to an assembling tool, the caps a are delivered in a vertical position to a shoot b at the lower end of which is an oscillating carrier c which transfers them to a second shoot l in the correct horizontal position for presentation to the assembling tool. The member c has a pocket h open at one side i and oscillates in a casing A between the lower end of the shoot b and the shoot l. In the receiving and carrying positions of the member c, the open side of the pocket is closed by a reciprocating slide k which is withdrawn to allow discharge of the caps. Positive transfer of the caps is obtained by fingers m on a rotating disc n.