Patent GB-142650-A (GB)
Title: Improved means for shocking the bundles of crops cut by harvesting machines
IPC: A01D75/06
Filed: 1919-04-26
Abstract: 142,650. Foulger, H. R. April 26, 1919. Sheafing or binding apparatus. - A shocking-attachment for a harvester comprises means for turning the sheaves upright and a collapsible turntable for receiving two sets of sheaves and depositing them on the ground in a shock. Fig. 15 is a diagrammatic view of the apparatus, which is connected to the harvester at one end and supported by a wheel 2 at the other. Fig. 2 is a side view looking from the harvester. The sheaves are discharged from the binding-mechanism on to a platform 5 and are held in place by arms 39. The platform 5 is normally horizontal, but when it is full, it is turned on end, so that the sheaves stand on a plate 57. It is then turned through a rightangle into the position shown in Fig. 15, and is moved towards the turntable. The arms 39 then turn aside about pivots at one end, and a frame 56 swings about horizontal pivots and pushes the sheaves on to one half of the turntable. The platform 5 returns to its original position to receive more sheaves, which are similarly deposited on the other half of the turntable after this has been turned through 180 degrees. The turntable then moves rearwards along rails 72 and temporarily collapses, dropping the two sets of sheaves on the ground in a shock, after which it returns to its original position. The turntable consists of a central part 115 and two hinged segments 61 normally held horizontal. When the turntable collapses, the inner parts of the segments are raised by lazy-tongs 117, and the outer parts drop down. The turntable may also be provided with pronged bars 139 carried by pivoted arms 140 and adapted to be raised and lowered automatically by lazy-tongs 129. In order to prevent the shocks from falling over on sloping ground, movable spring-controlled bars 144 may be provided on both sides of the apparatus for pushing the heads of the sheaves to one side or the other as required. The platform 5 is turned into the vertical position about a pin 15 by an arm 10 bearing against the underside of a plate 13 and actuated by crank mechanism driven by gearing from the wheel 2. In order that the platform may be actuated only when it has received, the predetermined number of sheaves, a clutch pawl is normally held out of engagement by a spring-controlled bar moved periodically by a cam driven from the harvester. A notch in the bar aliows the pawl to come into engagement when it is opposite to it. The platform 5 is rotatably mounted on a trolly 28 running on transverse rails, and is automatically turned about a vertical axis and moved towards the turntable by crank and lever mechanism controlled by pins working in slots. The pivoted arms 39 are spring-controlled and are actuated by a lever carrying a roller 46 which engages a fixed guide 47. A similar lever carries fingers for pressing the heads of the sheaves together on the platform 5. The pivoted frame 56 is actuated by the engagement of a projection 58 with a fixed stop. The turntable is carried on a truck 71 which is moved backwards and forwards by an endless rope 73 passing round a drum driven from the wheel 2 through a clutch and reversing-gearing. The lever for controlling the clutch and reversing-gearing is actuated by the movement of a bar which is moved by a striker on the truck and by a lever actuated by a cam. This cam-actuated lever also trips catch which normally holds the turntable in position opposite the platform 5. A tongue on the support 103 of the turntable enters a slot in a disk which is mounted on the frame, and is adapted periodically to be turned through 180 degrees by cam mechanism. The turntable is normally prevented from turning by a spring tooth which is moved when the tongue enters the slotted disk. The front pivot 118 of the lazy-tongs 117 for controlling the hinged segments 61 is fixed on the truck 71, and the rear pivot is moved by a pivoted cam and a movable wedge, both actuated by a lever engaging fixed inclines. The same lever is provided with a cam which moves the front pivot of the spring-controlled lazy-tongs 129 for raising the pronged bars 139. The bars 144 for use on sloping ground are carried by pivoted bars 143 which are adjusted by means of crank and lever mechanism connected to a handlever 152. The Provisional Specification describes means for raising and lowering a portion of the central part of the turntable, and alternative means for moving the turntable backwards and forwards, and states that the turntable may receive the sheaves one at a time while rotating step by step.