发明名称 Lockable propeller guard apparatus
摘要 A lockable propeller guard apparatus 10 including a shroud member 20 having a distal end 22 dimensioned to encircle the propeller 102, a collar member 30 engageable in the distal end 22 of the shroud member 20 and a cover plate member 40 hingedly connected to the collar member 30 and provided with a locking mechanism 45 for securing the cover plate member 40 to the collar member 30.
申请公布号 US5904603(A) 申请公布日期 1999.05.18
申请号 US19980038120 申请日期 1998.03.11
申请人 EMBRY, SOL E.;EMBRY, NELLIE 发明人 EMBRY, SOL E.;EMBRY, NELLIE
分类号 B63H5/14;B63H20/36;F02B61/04;(IPC1-7):B63H5/16 主分类号 B63H5/14
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