BLIND FASTENER

• Main Authors: EMORY K. TAMASHIRO, JAMES MITCHELL, ELAINE KOONTZ
• Format: Patent
• Language: Chinese; English
• Published: 26.09.2017
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

Disclosed is a fastener that includes a nut with a threaded bore that includes a head on one end, a cylindrical outer surface and a tapered ramp on the other end, a bolt that includes a head, a threaded portion engaged with the threaded bore, a recess next to the bolt head and an enlarged shank between the threads and the recess, where the outer diameter of the recess is smaller than a major diameter of the threaded bore of the nut and where an outer diameter of the shank is larger than a major diameter of the bolt threads, and a sleeve with a unthreaded bore positioned between the tapered ramp and the bolt head with one end crimped into the recess such that the internal diameter of the crimped sleeve bore is smaller than the major diameter of the threads on the bolt. 本发明涉及单面紧固件。具体而言，公开了种紧固件，其包括带有螺纹开孔的螺母，螺母包括在端的头部、圆柱形外表面和在另端的渐缩斜面；螺栓，其包括头部、与螺纹开孔接合的螺纹部分、螺纹头部旁边的凹部，以及螺纹与凹部之间的扩大的柄部，其中凹部的外径小于螺母的螺纹开孔的大径，且其中柄部的外径大于螺栓螺纹的大径；以及套筒，其带有定位在渐缩斜面与螺栓头部之间的无螺纹开孔，其中端卷曲到凹部中，使得卷曲的套筒开孔的内径小于螺栓上的螺纹的大径。