O&k Orenstein & Koppel Aktiengesellschaft

Heinz-Joachim Ruttershoff

Franz Heine

Method and apparatus for the remote-controlled connecting or separating of two coupling parts each of which is provided with mechanical form-lock elements and with control-line connectors, one of which parts is provided on the working tool and the other on the dipper stick or the like of a hydraulic excavator, which parts can be connected in force-locked manner by a hydraulic-mechanical locking device, each connecting or separating process comprising two successive individual processes.

Apparatus for the remote-controlled connecting or separating of two

A hydraulic excavator, with a boom lower part, a boom upper part and a stick, for conversion to operation using a gripper with large ranges of action and lifting heights. A connecting piece which rigidly connects the boom upper part and the boom lower part is fastened to the boom upper part, and is formed with an eye. A hydraulic cylinder which serves to actuate the stick is swingably mounted on the eye by means of a bolt.

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Schwelm, Germany

Heinz-Joachim Ruttershoff