Geometrical instruments
Patent
1984-03-26
1986-12-23
McQuade, John
Geometrical instruments
339 35, H01R 1362
Patent
active
046308784
ABSTRACT:
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.
REFERENCES:
patent: 2980013 (1961-04-01), Swick et al.
patent: 3635184 (1972-01-01), Liautaud
patent: 3761215 (1973-09-01), Tondato
patent: 4227765 (1980-10-01), Neumann et al.
Heine Franz
Ruttershoff Heinz-Joachim
Farber Martin A.
McQuade John
O&K Orenstein & Koppel Aktiengesellschaft
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