JPS58157009U - screw fastening device - 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 drawings]

第１図は本考案の実施例を示す平面図、第２図は同断面
図、第３図は第２図Ｉ−Ｉ線断面図、第４図は第２図Ｉ
Ｖ−ｒＶ線断面図、第５図及び第６図は比較例を示す平
面図及び断面図である。 ６・・・・・・雌ねじ部材（ターンバックル本体）、８
・・・・・・ねじ杆、１２・・・・・・突条、１３・・
・・・・ねじ孔、１４・・・・・・凹溝。Fig. 1 is a plan view showing an embodiment of the present invention, Fig. 2 is a sectional view thereof, Fig. 3 is a sectional view taken along the line I--I of Fig. 2, and Fig. 4 is a sectional view taken along the line I-I of Fig. 2.
A sectional view taken along the line V-rV, and FIGS. 5 and 6 are a plan view and a sectional view showing a comparative example. 6...Female thread member (turnbuckle body), 8
...Screw rod, 12...Protrusion, 13...
...screw hole, 14...concave groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 周方向等間隔をおいて設けられた軸心と平行な突条の外
周に雄ねじが設けられたねじ杆に、雌ねじ部材が螺合さ
れ、該雌ねじ部材のねじ孔に前記突条を遊嵌してねじ杆
を軸方向挿脱自在とする凹溝が軸心と平行に設けられて
いることを特徴とするねじ締結装置。A female threaded member is screwed onto a threaded rod in which a male thread is provided on the outer periphery of protrusions parallel to the axis provided at equal intervals in the circumferential direction, and the protrusions are loosely fitted into the threaded hole of the female threaded member. A screw fastening device characterized in that a concave groove is provided parallel to the shaft center to allow the screw rod to be freely inserted and removed in the axial direction.