发明名称 FUNCTIONAL ELEMENT IN THE FORM OF A PRESS-IN ELEMENT
摘要 The invention relates to a functional element in the form of a press-in element for attachment to a sheet metal part, wherein the functional element has a head part and a shaft part, the head part has a ring-shaped sheet metal contact surface at the side adjacent the shaft part and a ring-shaped axial recess inside this ring-shaped sheet metal contact surface and surrounding the shaft part at the transition from the head part into the shaft part. In accordance with the invention the shaft part has a plurality of circumferentially distributed radial recesses extending in the axial direction and between these noses which likewise extend axially and project radially, wherein raised material portions are present at the positions of the radial recesses at their axial ends adjacent the head part and form undercuts with the head part in the region of the ring-shaped recess.
申请公布号 US2012189402(A1) 申请公布日期 2012.07.26
申请号 US201213347076 申请日期 2012.01.10
申请人 BABEJ JIRI 发明人 BABEJ JIRI
分类号 F16B19/00;B23P15/00;F16B35/00;F16B37/00;F16B39/00 主分类号 F16B19/00
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