Patent ID: 6311824
Filing Date: 2001-11-06
Classification: B65G

Abstract:
Rotatable gripper device (1) for picking up and rotating a product which is supplied on a conveyor belt, comprising a gripper head (2, 3) with a gripping member (18) which can rotate about a vertical central shaft (4) and about an axis of the gripper head (2, 3), and a cam wheel (6, 7) which is connected to the gripping( member (18) and runs over a running surface (8', 8"") of a cam disc (8) which is located transversely on the central shaft (4), when the gripper head (2, 3) rotates about the central shaft (4), the position of which running surface (8', 8"") varies alone the central shaft (4) in a circumferential direction around the central shaft, for the purpose of displacing the gripping member (18) between a lowered gripping position and a retracted conveying position, characterized in that the gripper head (2, 3) comprises a support bush (15) in which a sliding bush (16), to which the cam wheel (6, 7) is attached, is slidably mounted, the support bush (15) being provided with an opening through which the cam wheel projects in the radial direction to outside the support bush, a suspension member (17) being accommodated rotatably inside the sliding bush (16), with the gripping member (18) at a bottom end, to which suspension member (17) a second cam wheel (9, 10) is connected, and the gripper device (18) being provided with a second cam disc (11), which lies transversely with respect to the central shaft (4), against which the second cam wheel (9, 10) is supported and which has a running surface, the distance of which from the central shaft (4) varies in the circumferential direction about the central shaft (4), for rotation of the gripping member (18) about the axis of the gripper head (2, 3) when the gripper head (2, 3) rotates about the central shaft (4).