发明名称 ELEVATOR FOR HANDLING PIPE
摘要 An elevator for handling pipe, the elevator comprising an elevator body (20) and a hinged door (40) characterised in that the hinged door (40) has a handle (80) to operate a latch (50), the latch comprising a latch body rotatable about a shaft (54), the handle (80) having a handle lip (76) for co-acting with a lip (53) located on the latch body to inhibit release of the latch (50) and the elevator body (20) comprising a lockbar (29) and the latch body comprising a lockbar recess (58) into which said lockbar (29) fits.
申请公布号 EP1929118(A2) 申请公布日期 2008.06.11
申请号 EP20060779608 申请日期 2006.08.22
申请人 NATIONAL OILWELL VARCO, L.P. 发明人 SCHATS, MICHAEL, ANTOON, HERMAN;DE PONT, ALBERT, PATRICK, JOZEF, MARIA;DEKKER, PIETER;KRIJNEN, ANTONIUS, DIMPHENA, MARIA
分类号 E21B19/06 主分类号 E21B19/06
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