Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Reexamination Certificate
2005-09-06
2005-09-06
Kramer, Dean (Department: 3654)
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
C294S119100, C901S037000
Reexamination Certificate
active
06938938
ABSTRACT:
A fluid power operate gripper has a housing, in which a drive space is located, which contains at least two drive pistons connected or able to be connected with a respective gripping element. The drive pistons divide up the drive space into a plurality of actuating chambers, which are subject to an actuating fluid under the control of control means in a controlled mutually matching manner. Since the drive pistons are not mechanically coupled kinematically variable operation is made possible in this manner.
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W. Backe, et al., “Programmierbare Greifer mit servopneumatischen Antrieben”,Robotersysteme, vol. 5, No. 1, pp. 57-64 (1989).
Risle Andreas
Stingel Jürgen
Festo AG & Co.
Hoffmann & Baron , LLP
Kramer Dean
Okezie Esther O.
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