BALE GRIPPER

Abstract: The balegripper consists of an outside frame (A), an inside frame (B), a hydraulic cylinder (D), a spring (E) and an upper claw (C). This single hydraulic cylinder will be able to grip and lift the bale in one stroke. Thus only one control valve is needed. When the bale is unloaded the control valve is opened and the spring acts on the upper claw in such a manner that the bale is released without the inside frame necessarily being in its lowest position in the outside frame.

Description: A bale gripper The bale gripper is used to turn, load and stack bales of straw and hay. The bale gripper is to be mounted on traditional front loading tractors * The bale gripper grips and holds the bale during the hand¬ ling operation. The bale gripper is assembled with a separate lifting device, which increases the total range of lift. This requires two hydraulic cylinders and two control valves: one for gripping the bale and one for lifting the bale. The bale gripper according to the invention is characterized in that the bale gripper grips, holds and lifts the bale about 80 cm in relation to the ' initial position in one stroke, and in that the bale can be released from the gripper when the extra lifting function is fixed in the top position. The bale gripper consists of an outside frame, a movable inside frame, a hydraulic cylinder, a spring and an upper claw. It is possible to grip the bale with the bale gripper in one function when the hydraulic cylinder is activated. When the gripping .function has been fulfilled, the hydraulic cylinder moves on and lifts .the inside fram upwards on the coulisse of the outside frame. The release of the bale is accomplished by opening the control valve, after which a spring heaves the upper claw. The bale can thus be unloaded with the extra lifting function placed in the top position. i

Claims: Claims 1. The bale gripper is characterized in that the gripping function and the extra lif ing function can be performed in one operation with one hydraulic cylinder (D) for which one single control valve is needed, 2. The bale gripper is characterized in that a strong spring (E) opens the upper claw when the hydraulic cylinder (D) is depressurized when opening the control valve. The bale is then released from the upper claw for the extra lifting function in the lower position.

Inventors: HANSEN ERIK BJOERN, HANSEN, ERIK, BJOERN
Applicants: HANSEN ERIK BJOERN, VETO AGRO IND AS, A/S VETO AGRO INDUSTRI, HANSEN, ERIK, BJOERN
Application year: 1982
Main classification: A01D87
IPC codes: A01D87