发明名称 Fire-proof door handle, has gripping neck that is connected with gripping part by connecting piece, where handle is made from fire resistant material and neck, part and piece are formed as single unit
摘要 <p>The handle has a gripping neck (2) connected with a gripping part (3) by a connecting piece (4), where the handle is made from a fire resistant material e.g. high-grade steel. The neck and the part have a circular cross section, and the piece has an elliptical cross section, where the neck, part and piece are formed as a single unit, and the transition between the neck and the piece and/or between the piece and the part is sharp-edged.</p>
申请公布号 DE102004023928(A1) 申请公布日期 2005.12.22
申请号 DE20041023928 申请日期 2004.05.12
申请人 DORMA GMBH + CO. KG 发明人 BRUCKNER, THOMAS
分类号 E05B1/00;E05B1/06;E05B17/00;(IPC1-7):E05B1/06 主分类号 E05B1/00
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