JPS58111418U - Natsuto - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は根角ボルトの使用例を示す図、第２図は第１図
のＩ−Ｘ線に沿う断面図、第３図は根角ボルトの平面図
、第４図は根角ボルトに螺合する本考案のナツトの縦断
正面図、第５図は同平面図、第６図は同使用状態を示す
縦断正面図である。 １０・・・・・・根角ボルト、１１・・・・・・頭部、
１３・・・・・・根角部、１６・・・・・・ナツト、１
８・・・・・・凹部。Figure 1 is a diagram showing an example of the use of a square root bolt, Figure 2 is a cross-sectional view taken along the line I-X in Figure 1, Figure 3 is a plan view of a square root bolt, and Figure 4 is a screwing method for a square root bolt. FIG. 5 is a plan view of the nut of the present invention, and FIG. 6 is a longitudinal front view showing the nut in use. 10... Root angle bolt, 11... Head,
13... Root corner part, 16... Nut, 1
8... Concavity.

Claims (1)

【実用新案登録請求の範囲】 １　首下部分にねじ部の外径より半径方向に突出３した
突出部を有するボルトに螺合して用いるナツトであって
、該ナツトの締付は座面側に前記突出部の最大外径より
僅かに大幸い内径を具えた凹部がねじ孔と同心状に設け
られていることを特徴とするナツト。 ２　前記ナツトが座付す゛；フトである実用新案登録請
求の範囲第１項記載のナツト。[Claims for Utility Model Registration] 1. A nut that is screwed onto a bolt that has a protrusion below the neck that protrudes radially beyond the outer diameter of the threaded part, and the nut is tightened on the seat side. The nut is characterized in that a concave portion having an inner diameter slightly larger than the maximum outer diameter of the protruding portion is provided concentrically with the screw hole. 2. The nut according to claim 1, wherein the nut is a seated foot.