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    • 2. 发明专利
    • Stalk shredder
    • GB686584A
    • 1953-01-28
    • GB1788651
    • 1951-07-17
    • HORN MFG COMPANY
    • A01D34/835
    • 686,584. Breaking up vegetation. HORN MANUFACTURING CO. July 27, 1951 [Aug. 18, 1950], No. 17886/51. Classes 6(i) .and 6(iii) A machine for breaking up standing corn stalks comprises a wheeled frame 11 supporting horizontal rotary shafts 24, 25 fitted with flails 28, 32, the frame being supported at the front on a draught-tongue 10 attached to a tractor and at the rear on a pair of wheels 42 pivoted on bell-cranks 43 on each side of the frame 11, the bellcranks being linked to the tongue 10 so that the frame can be raised and lowered while remaining horizontal. The shaft 25 is driven from the tractor power-take-off and drives the lateral shafts 24 through belt-gearing 36. The flails 28, 32 on adjacent shafts are staggered and are covered by a casing 38 forming part of the frame 11. Each bell-crank 43 is pivoted at 46 to the frame 11 and one limb 48 is connected by a link 53 to a lever 56 secured to the draught-tongue. Springs 60 interconnect the parts 56 and 48. The frame is lowered, against the action of the springs 60, by a hand-lever 68 connected to the casing 38 by a link 73. The link 73 includes a spring- loaded connection 78 which permits the frame to rise on encountering obstructions.
    • 3. 发明专利
    • Improvements in or relating to a tractor mounted loader
    • GB680515A
    • 1952-10-08
    • GB241751
    • 1951-01-31
    • HORN MFG COMPANY
    • E02F3/34
    • 680,515. Scoop-arm load-handling machines. HORN MANUFACTURING CO. Jan. 31, 1951. [Dec. 11, 1950] No. 2417/51. Class 78 (iii). In a scoop-arm loading device, the bucket 29 is tilted about pivot 31 at any position of the arms 11 by a linkage comprising a bell crank lever 51, 54 pivoted to the rear wall of the bucket at 52 and to a link 61 at 58, the lower end of which link is pivoted at 63 to a cross member 38, Fig. 3, secured to the arms ; and a double acting hydraulic ram 66 pivoted to the bell crank lever at 53 and to cross members 38 at 63. As shown in Fig. 3, the linkage is duplicated, the ram being located between the sets of links and each link 61 and arm 51 is of double construction and is adapted to embrace the associated arm 54. A pair of bars 73 which slide through the double arms 51 and links 61 and are pivoted to links 61 at 77, have slots 74 which, by engaging pins 78 on the arms 51 serve to guide the linkage and limit movement of the bucket.
    • 5. 发明专利
    • Improvements in or relating to a stacking machine
    • GB676856A
    • 1952-08-06
    • GB2717850
    • 1950-11-07
    • HORN MFG COMPANY
    • A01D87/08
    • 676,856. Load handling machines ; discharging tines. HORN MANUFACTURING CO. Nov. 7, 1950. No. 27178/50. Classes 78 (iii) and 78 (iv). A stacking attachment for a tractor has a push plate 24 for discharging the tines 22 which is extended from the position shown in full line to that shown in dotted line by a hydraulically actuated link mechanism which provides maximum leverage on the plate to initiate its push-off stroke, a rapid movement at the start of the stroke, and a progressive reduction of speed during the stroke. The plate 24 is secured to a pair of spaced "Y" frames 63 pivoted to arms 61 which are attached to an eccentrically pivoted rock shaft 53 together with a bell-crank-lever 73, 76 which is pivoted at 77 to a hydraulic jack 79 and at 71 to a sleeve 69. The jack is also pivoted to this sleeve at 82 and, on extension of the jack, the sleeve slides down a pivoted guide 66 to the position shown in dotted line. A progressive variation in the speed of rotation of the rock shaft 53 is effected by the jack operating on the long arm 73 only at the start of the push off stroke, and by subsequent operation on first both arms and' finally the short arm 76 only. The plate 24 is guided by a pair of V-. shaped straps 28 secured thereto and which engage a pair of tines 22. The complete assembly is secured to a pair of arms 10 which are luffed by a pair of hydraulic jacks (not shown) which are secured to the tractor and operate on the arms through a rope and pulley. Adjustable straps 38 enable the angular position of tines 22 to be altered.