发明名称 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
分类号 E21D23/16 主分类号 E21D23/16
代理机构 代理人
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