发明名称 FALLING OBJECT PROTECTION SYSTEM
摘要 <p>The present disclosure relates to a falling object protection system for use with a machine for forming underground bores and/or for installing product within underground bores. The falling object protection system includes a base forming a platform on which an operator can stand. The base includes an inner portion adapted to be positioned adjacent to the machine and an outer portion adapted to be positioned away from the machine. The falling object protection system also includes an outer barrier that extends upwardly from the outer portion of the base, and a top barrier that extends inwardly from the outer barrier and extends over the platform of the base. The falling object protection system further includes an upper frame that extends upwardly from an inner end portion of the top barrier. The upper frame includes a falling object deflection member spaced above the inner end portion of the top barrier.</p>
申请公布号 WO2011037659(A1) 申请公布日期 2011.03.31
申请号 WO2010US38832 申请日期 2010.06.16
申请人 UTTER, JEFFREY, JAMES;VERMEER MANUFACTURING COMPANY;MARQUARDT, JANICE;MILLS, MATTHEW, ARLEN;VOS, MATTHEW, STEPHEN;BRAND, IVAN, RAY 发明人 MARQUARDT, JANICE;MILLS, MATTHEW, ARLEN;VOS, MATTHEW, STEPHEN;BRAND, IVAN, RAY;UTTER, JEFFREY, JAMES
分类号 E21F11/00;E04G21/32 主分类号 E21F11/00
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