JPS60112716U - tightening 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 the drawing]

第１図は従来の締付装置を示す部分縦断面図、第２図は
この考案の一実施例による係止部材の断面詳細図、第３
図は第２図に示す係止部材の下面図である。 １・・・被締付部材、２・・・締付部材、３・・・ボル
ト穴、４・・・係止部材、５・・・締付面、６・・・ナ
ツト、７・・・溝部、８・・・大熱膨張部材。なお、図
中、同一符号は同−又は相当部分を示す。FIG. 1 is a partial vertical cross-sectional view showing a conventional tightening device, FIG. 2 is a detailed cross-sectional view of a locking member according to an embodiment of this invention, and FIG.
The figure is a bottom view of the locking member shown in FIG. 2. DESCRIPTION OF SYMBOLS 1... Member to be tightened, 2... Tightening member, 3... Bolt hole, 4... Locking member, 5... Tightening surface, 6... Nut, 7... Groove portion, 8... large thermal expansion member. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 締付部材および被締付部材のボルト穴に貫挿された係止
部材の少なくとも片側に螺合されて締付けるナツトを備
えた締付装置において、上記係止部材またはナツトの締
付面に溝部を設けこの溝部に、上記係止部材またはナツ
トの材質よりも熱膨張が大きい火熱膨張部材を装着した
ことを特徴とする締付装置。In a tightening device comprising a nut that is screwed onto at least one side of a locking member inserted into a bolt hole of a tightening member and a bolt hole of a member to be tightened, a groove is provided in the tightening surface of the locking member or the nut. A tightening device characterized in that a thermal expansion member having a larger thermal expansion than the material of the locking member or the nut is attached to the groove.