JPS6432909U

JPS6432909U -

Info

Publication number: JPS6432909U
Application number: JP12878887U
Authority: JP
Priority date: 1987-08-25
Filing date: 1987-08-25
Publication date: 1989-03-01

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による締結装置を
示す正面図、第２図は第１図の平面図、第３図は
この考案の第１のナツトを示す正面図、第４図は
第３図の―線断面図、第５図はその平面図、
第６図はこの考案の第２のナツトを示す平面図、
第７図はその正面図、第８図は第７図の―線
断面図、第９図は従来の締結装置を示す平面図、
第１０図はその正面図である。１はねじ棒、４は第１のナツト、５はねじ穴、
６は薄肉円筒部、７，８は突起部、９はつまみ部
、１０は第２のナツト、１１は円筒部、１２，１
３は切欠部。なお、図中、同一符号は同一または
相当部分を示す。 FIG. 1 is a front view showing a fastening device according to an embodiment of this invention, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a front view showing a first nut of this invention, and FIG. Figure 3 is a cross-sectional view taken along the line - Figure 5 is its plan view.
Figure 6 is a plan view showing the second nut of this invention;
FIG. 7 is a front view thereof, FIG. 8 is a sectional view taken along the line -- in FIG. 7, and FIG. 9 is a plan view showing a conventional fastening device.
FIG. 10 is a front view thereof. 1 is a threaded rod, 4 is a first nut, 5 is a threaded hole,
6 is a thin cylindrical part, 7 and 8 are protrusions, 9 is a knob, 10 is a second nut, 11 is a cylindrical part, 12, 1
3 is the notch. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

In a fastening device for a mounting plate that is clamped from both sides by first and second nuts screwed into a threaded rod and moved and fixed along the axial direction, the first nut is fitted with the threaded rod in the center. a thin cylindrical part that is flexible in the radial direction and whose outer periphery fits into and holds the hole in the mounting plate; protrusions that act in corresponding directions, knobs at predetermined locations, a threaded hole in the center of the second nut that engages the threaded rod, and an inner periphery of the thin-walled cylindrical portion of the first nut. A cylindrical part that can be fitted with the cylindrical part, a cutout part that faces the first nut and acts in the screw direction and the axial direction, respectively, and a knob part at a predetermined location are provided on the outer periphery of the cylindrical part. fastening device.