Gripper head with rotatable gripper blades and anti-slant...

Details Gripper head with rotatable gripper blades and anti-slant... Gripper head with rotatable gripper blades and anti-slant...

2006-11-17

2009-11-03

Chin, Paul T (Department: 3652)

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

C294S106000

Reexamination Certificate

active

07611181

ABSTRACT:
An apparatus for picking up products or groups of products, including a gripper having a frame, two holders that are movably connected on two opposite sides of the frame, and two gripper blades that are each movably connected with an associated one of the holders. Each gripper blade has the shape of an arc with an associated axis, the two axes of the two gripper blades are situated between the two gripper blades. Guide wheels, in the form of a pinion with teeth, engage with at least one row of holes arranged on the arc of the gripper blade to thereby guide the associated blade during rotation about its axis. A first drive is provided for moving each of the holders away from and towards each other. Two second drives are connected with a respective one of the two gripper blades to rotatingly turn outwards or draw inwards the associated arcuate gripper blade. A third drive is provided for displacing the gripper frame.

REFERENCES:
patent: 5092731 (1992-03-01), Jones et al.
patent: 5360310 (1994-11-01), Jones et al.
patent: 5463847 (1995-11-01), Alexander et al.

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