Electrohydraulic control device with protective keyboard sheet
摘要
The invention relates to a control device (2) for hydraulic self-advancing support units in underground mining, with a housing (4) sealed by a housing lid (16) and a command keyboard (32) arranged in the area of a lid opening (58) of the housing lid (16) and covered by a keyboard sheet (42) fastened to the outside of the housing lid (16) and tightly closing the lid opening (58), the keyboard having function markings. According to the invention, a protective sheet (52) covering the keyboard sheet (42) and reproducing the markings of the keyboard (32) is detachably held on the outside of the housing lid (16). <IMAGE>
申请公布号
DE3838457(A1)
申请公布日期
1990.05.23
申请号
DE19883838457
申请日期
1988.11.12
申请人
HERMANN HEMSCHEIDT MASCHINENFABRIK GMBH & CO, 5600 WUPPERTAL, DE
发明人
REINELT, WERNER, ING.(GRAD.), 4630 BOCHUM, DE;THIEL, BERND, 5600 WUPPERTAL, DE