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    • 3. 发明专利
    • Plumber's drain flushing gun
    • GB855370A
    • 1960-11-30
    • GB717559
    • 1959-03-02
    • MICHAEL JOHN MILLER
    • B08B9/032E03C1/308
    • 855,370. Clearing drains. MILLER, M. J. March 2, 1959, No. 7175/59. Class 99(2). A drain flushing gun comprises a pressureresisting, metal cylinder 10 connected through a spring-pressed air valve 17 and a rubber hose to a manually-operated, piston, air pump 21. The cylinder 10 is provided at one end with an air port 37 closed by a spring-loaded valve 35, the valve rod 15 extending through a packed gland 14 in the other end of the cylinder 10 and having a pin and slot connection with a trigger lever 30 extending into and pivoted on a handle 11 welded to the cylinder end wall 12, movement of the lever 30 being limited by a stop 41 engaging the wall 42 of the handle. A pressure gauge 29, Fig. 2 (not shown), is screwed into the cylinder end wall 12. A " T " fitting 43 connected to the port 37 and incorporating a check valve 47 is connected by a hose 49 to a water faucet 50 and by a rubber cup 45 to a drain opening. The cylinder 10 is provided with air at a predetermined pressure by the pump 21 and the water faucet 50 is turned on admitting water into the fitting 43 and drain, whence a pull on the trigger lever 30 releases the air from the cylinder 10 into the fitting 43 to clear the drain by impact of the water on the obstruction therein. Alternatively, the fitting 43 is connected to the drain by a rubber hose inserted therein.
    • 5. 发明专利
    • Rotary cultivator
    • GB674769A
    • 1952-07-02
    • GB2731449
    • 1949-10-24
    • GORDON MCLEAN STEWARTASHLEY JOHN MILLER
    • A01B33/02
    • 674,769. Rotary cultivators. STEWART, G. M., and MILLER, A. J. Oct. 24, 1949, No. 27314/49. Class 6(i) A rotary cultivator, of the type having a power-driven transverse rotor 12, is provided with a shield 13, 31, 41 surrounding the rotor, the shield being made in several parts, some of which are adjustable towards or away from the rotor axis. The device is mounted on a frame 11 pivoted at the rear of a tractor 10. The front part, 13, of the shield is secured at its lower end to a curved plate 29 pivoted to a rod 25 which is movable longitudinally by a lever 28, to vary the distance between the shield and rotor axis. The upper end of the portion 13 is pivoted at 14 to a lever 15. Both the lever 15 and its fulcrum 16 are movable by hand levers 17, 22. A spring 23 urges the screen towards the rotor axis. The rear part 31 of the shield is pivoted at 32 to the frame 11, and can be fixed to a bracket 34 in various angular settings. Its lower end carries a relatively-slidable tailpiece 35. A set of blades 37, pivoted to the inside of the shield, can be set at various angles of inclination thereto, and serves to comminute the rearwardly-flung soil. A curtain of pivoted rods 46 serves a similar purpose. The central part, 41, of the shield, is counterweighted at 44 and can be swung up to permit the escape of large clods. A hopper 45, for seed or fertiliser may be mounted in the opening, or other soil treating appliances may be mounted therein. A blade (not shown) may be mounted at the bottom of the section 13 to cut vegetation. The plate 29 causes the whole structure to rise on meeting obstructions.
    • 6. 发明专利
    • An improved rotary cultivator
    • GB656101A
    • 1951-08-15
    • GB2217248
    • 1948-08-23
    • GORDON MCLEAN STEWARTASHLEY JOHN MILLER
    • A01B33/08
    • 656,101. Rotary cultivators. STEWART, G. M., and MILLER, A. J. Aug. 23, 1948, No. 22172. Convention date. Sept. 14, 1947. [Class 6(i)] Rotary cultivator drawn behind a tractor has the rotor mounted in a frame comprising two spaced radius arms directly attached to the tractor, the arms being independently pivotable and having limited movement relative to each other in the vertical plane. A tractor 6 has a rear-axle casing 7 and a belt-drive pulley 8. Attached to the tractor is a cultivator frame comprising two spaced radius arms 9, 10 independently mounted on the tractor. The arm 9 has an inbent section 9' with a trunnion bearing 11 pivoted about an anchor 12 on the tractor. This bearing allows pivotal movement of the arm 9 in a vertical plane and limited movement in a horizontal plane. The radius arm 10 carries a box sub-frame comprising a transverse member 13 joined to a vertical plate 14, Fig. 2, by a member 15, vertical posts 16, 17 and rails 18, 19 supporting steel side plates 20, 21 to complete the box structure. The box-frame is attached to bearing boxes 26, 27 secured on the axle casing 7. Drag links 28, 29 connect the bearing boxes to the side frames of the tractor. The arm 10 pivots freely in a vertical plane but is restrained in the horizontal plane. A relative vertical movement is limited by an extension 13 1 of the crossmember 13 in engagement with adjustable set-screws on the arm 9. The rotor shaft 34 is mounted in bearing blocks 35 incorporating self-aligning bearings permitting relative movement of the arms 9, 10. A shield 36 covers the rotor 33, which is driven from the tractor pulley 8 through belts 37, 40, speed reduction and reverse gearing being housed in the box-frame. The working depth of the rotor is controlled by flexibly and adjustably mounted ground wheels 50, 51. A transverse girder 52 is mounted above the radius arms 9, 10 by leaf springs 53, 54 secured to the arms by vertical links 55 and rods 56 fitted with an adjustment nut 57. Each land wheel is carried on a castor action strut 58 mounted in a bracket 59 slidable on the girder and clamped in position. The wheels are adjusted vertically by a pin passed into apertures in the struts 58. Excessive upward flexing of the springs 53, 54 is prevented by links 62 pivoted to the radius arms and fitted with adjustable collars 63. To assist the land wheels in controlling the depth of cut, a skid 66 is pivotally mounted on the radius arm 9 and its setting adjusted by a strut 68.
    • 9. 发明专利
    • Improvements in and relating to copper alloys and articles made therefrom
    • GB414748A
    • 1934-08-13
    • GB126033
    • 1933-01-13
    • HENRY WINDER BROWNSDONMAURICE COOKHERBERT JOHN MILLERICI LTD
    • C22C9/06E06C1/20
    • An alloy consisting essentially of copper, nickel, aluminium, and manganese, having an aluminium content of 0,5-5 per cent, preferably 1-3 per cent, a nickel content of 1,5-15 per cent and equal to about 3-4 times the aluminium content, and a manganese content of 0,5-15 per cent is hardened by rapid cooling from a temperature of the order of 900 DEG C. followed by reheating at about 300-600 DEG C. The treated alloys are stated to retain their strength and hardness at relatively high temperatures. The alloy may be subjected to cold working after the rapid cooling and prior to the reheating. A locomotive fire-box may be made from an alloy containing 87,5 per cent copper, 5 per cent manganese, 6 per cent nickel, and 1,5 per cent aluminium, the fire box being made after the alloy has been quenched from 900 DEG C., and reheating for about 2 hours at 500-600 DEG C. being effected when the fire-box has reached or almost reached its final stage of fabrication. According to the first Provisional Specification the alloy may also contain zinc and the nickel content need not be as high as 3-4 times the aluminium content. Specifications 200,961, [Class 82 (i)], 386,017 and 402,796 are referred to.