JPS5849010U - concave nut - 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、本考案の平面図。第２図は、本考案゛の斜視
図。第３図は、本考案を締めつける内面に凸部を設けた
工具の平面図。第４図は、本考案の使用状態平面図。第
５図は、締めつけ工具の斜視図。第６図は、六角の外周
面に六ケ所の凹部を設けたナツトの斜視図。（本案の他
の実施例）第７図は、同上の正面からみた使用状態断面
図。第８図は、本考案のさらに他の実施例の上半分の凹
部を設けた斜視図。第９図は、第８図を締めつける上半
分の凸部を設けた工具の斜視具。第１０図は、第８図と
第９図を正面からみた使用状態断面図。 １はナツト、２は凹部、３は締めつけ工具、４は凸部。FIG. 1 is a plan view of the present invention. FIG. 2 is a perspective view of the present invention. FIG. 3 is a plan view of a tool having a convex portion on its inner surface for tightening the present invention. FIG. 4 is a plan view of the present invention in use. FIG. 5 is a perspective view of the tightening tool. FIG. 6 is a perspective view of a nut having six recesses on its hexagonal outer peripheral surface. (Another embodiment of the present invention) FIG. 7 is a sectional view of the same as the above in use, seen from the front. FIG. 8 is a perspective view of still another embodiment of the present invention in which a recessed portion is provided in the upper half. FIG. 9 is a perspective view of a tool with a convex portion on the upper half that tightens the tool shown in FIG. FIG. 10 is a sectional view of FIGS. 8 and 9 viewed from the front in a state of use. 1 is a nut, 2 is a concave part, 3 is a tightening tool, and 4 is a convex part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ナツトの外周面の複数個所に四部２を設けたことを特徴
とする凹面のあるナツト、。A nut with a concave surface, characterized in that four parts 2 are provided at a plurality of locations on the outer peripheral surface of the nut.