[특허]Hydraulic round bale handling system

Melton Brothers Equipment, Inc.

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Hydraulic round bale handling system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A01D-087/12 B65H-075/40
미국특허분류(USC)	414/024.6; 241/101.A; 414/555
출원번호	US-0492749 (1983-05-09)
발명자 / 주소	Melton, Michael A.
출원인 / 주소	Melton Brothers Equipment, Inc.
대리인 / 주소	Brown, Laurence R.
인용정보	피인용 횟수 : 8 인용 특허 : 13

초록
▼

A manually controlled hydraulically driven round bale loading and transport system is self contained on a trailer that only need be moved by a pick-up truck or the like. It has a wide arc full control lifting mechanism that permits lifting a bale from the ground and about a 160° arc to a storage rack. This permits a second bale to be held in the lifting mechanism. A pair of grasping arms has the respective arms disposed on each end of the bale by separate manual hydraulic controllable pivot action permits picking up bales directly from uneven terrain. Bales may be unrolled by a hydraulic motor from standstill position, but conventional unrolling on the ground is permissible. Hydraulic control valves are located to permit viewing each bale end as the respective grasping arms are manipulated and the bale partially lifted by one end to permit grasping on the center line for good balance and proper unrolling.

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청구항
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1. Ground supported handling and transport apparatus for generally cylindrically shaped round bales having substantially parallel ends, comprising in combination, a single hydraulic lift ram with a reciprocation member, grasping means comprising two spaced arms mounted to pivot on an axis located above the ground for grasping the ends of a bale and swinging it off the ground and upward about the axis, stop means for limiting the bale movement about said axis after a swing about the axis of approximately 160°, and means coupling the ram to said grasping means for controlling said swing of greater than 120° about said axis in response to reciprocation of said member comprising a flexible cable connected about a rotary drum member and moving the cable in opposite directions by said reciprocation member coupled for linear movement therewith, said rotary member being fixed for rotation about said axis with said grasping means thereby to swing said arms in opposite directions of rotation as the reciprocation member moves in opposite directions wherein said reciprocation member is coupled to two ends of said cable which has an intermediate portion of the cable wound about said rotary member and affixed thereto. 2. The apparatus defined in claim 1 wherein said reciprocation member is mounted substantially parallel to said cable and is affixed thereto for mutual reciprocation. 3. The apparatus defined in claim 1 wherein said stop means is a storage rack for receiving and storing a bale thereon by force of gravity. 4. The apparatus as defined in claim 3 wherein a first resident bale is stored in said rack and the grasping arms have therein a second resident bale lifted off the ground by a partial swing of the bale upwardly about said axis. 5. The apparatus as defined in claim 1 wherein the arms each have a spike for entering into the respective ends of the bales, a hydraulic pivot ram is coupled between each of said arms and a reference point for pivoting the arms independently over a range permitting the arms to open about the ends of a bale and squeeze together adjacent the ends of the round bale, and bale pick-up means actuating each of the pivot rams independently of each other and of said lift ram to thereby permit movement of the transport apparatus after one arm spike is entered into the bale and before the other spike is entered into the opposite end of the bale. 6. The apparatus as defined in claim 1 mounted on a trailer with a self contained power unit comprising a portable gasoline motor and a hydraulic system powered thereby to operate said ram. 7. The apparatus as defined in claim 6 including spikes on each arm to enter respective ends of the bale, two further separate hydraulic rams coupled for independently moving each of the spaced arms thereby to enter a first spike and permit movement of the transport apparatus before entering the other spike at the other end of the bale, and a hydraulic motor coupled to rotate a bale grasped between the spaced arms. 8. The apparatus as defined in claim 7 wherein the hydraulic system has a set of four manual control valves for control respectively of the three hydraulic rams and the hydraulic motor on one side of the trailer within view of one end of a bale to be handled, and a set of two manual control valves respectively for control of one grasping arm control ram and the lifting ram positioned on the other side of the trailer within view of the other end of a bale to be handled. 9. The apparatus as defined in claim 6 including a hydraulic motor coupled to rotate a bale grasped by the grasping means and manually controlled valves respectively for control of the lift ram and hydraulic motor with a bypass position for circulation of hydraulic fluid, thereby permitting the bale to be rolled on the ground to unroll it. 10. The apparatus as defined in claim 1 wherein the stop means comprises a cradle for receiving a bale, means for rotating the bale while in said cradle, and means for removing loose hay from the bale while rotated in the cradle. 11. Ground supported handling and transport apparatus for generally cylindrically shaped round bales having substantially parallel ends, comprising in combination, a single hydraulic lift ram with a reciprocation member, grasping means comprising two spaced arms mounted to pivot on an axis located above the ground for grasping the ends of a bale and swinging it off the ground and upward about the axis, stop means for limiting the bale movement about said axis after a swing about the axis of approximately 160°, and means coupling the ram to said grasping means for controlling said swing of greater than 120° about said axis in response to reciprocation of said member comprising a flexible cable connected about a rotary drum member and moving the cable in opposite directions by said reciprocation member coupled for linear movement therewith, said rotary member being fixed for rotation about said axis with said grasping means thereby to swing said arms in opposite directions of rotation as the reciprocation member moves in opposite directions wherein the stop means comprises a cradle for receiving a bale, means for rotating the bale while in said cradle, and means for removing loose hay from the bale while rotated in the cradle, and wherein said means for removing loose hay comprises a rotating member for engaging the bale to loosen and remove hay therefrom, and a conveyor for dispensing loose hay removed from the bale. 12. The improvement in a ground supported handling and transport device for round hay bales formed by rolling up layers of hay about longitudinally extending axes having grasping and positioning means penetrating the bales from opposite ends thereof characterized in that the penetrating means at one end are rotatable by a manually controllable hydraulic motor thereby to rotate the bales while grasped, a cradle for holding the bales in place by gravity while rotating, hydraulic motor driven means operating simultaneously to rotate the bales by said penetrating means and to drive an auger rotatable adjacent the cradle and placed to receive the bale by gravity thereagainst along an axis parallel to the bale axis for loosening hay from the outer layer of the bale while being rotated by said motor means and conveying means for receiving the loosened hay and transporting it to a discharge location displaced from the cradle.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 8

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특허 상세정보

Hydraulic round bale handling system

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 8

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Hydraulic round bale handling system

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 8

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IPC 상세정보(version : 201201)

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