JPH0477018U

JPH0477018U -

Info

Publication number: JPH0477018U
Application number: JP12110090U
Authority: JP
Priority date: 1990-11-19
Filing date: 1990-11-19
Publication date: 1992-07-06

Description

[Brief explanation of the drawing]

第１図は本考案の第１の実施例を示す断面図、
第２図は第１の実施例に係る皿ねじを示す正面図
、第３図は第１の実施例に係るワツシヤを示す斜
視図、第４図は第２の実施例を示す部分断面図、
第５図は第３の実施例を示す部分断面図、第６図
は第４の実施例に係るワツシヤを示す斜視図、第
７図は第１実施例に係るワツシヤの変形例を示す
断面図、第８図は従来の皿ねじを示す断面図であ
る。１１……被螺合部材、１４……ねじ穴、１４Ａ
……皿穴部、１５，４３……ねじ柱部、１６，３
２，４２……ねじ頭部、１８，３１，４０，５１
……ワツシヤ、２１，３４，４４……ワツシヤ装
着部。 FIG. 1 is a sectional view showing a first embodiment of the present invention;
FIG. 2 is a front view showing a countersunk screw according to the first embodiment, FIG. 3 is a perspective view showing a washer according to the first embodiment, and FIG. 4 is a partial sectional view showing the second embodiment.
FIG. 5 is a partial sectional view showing the third embodiment, FIG. 6 is a perspective view showing a washer according to the fourth embodiment, and FIG. 7 is a sectional view showing a modification of the washer according to the first embodiment. , FIG. 8 is a sectional view showing a conventional countersunk screw. 11... Member to be screwed together, 14... Screw hole, 14A
... Countersunk hole part, 15, 43 ... Threaded column part, 16, 3
2, 42...screw head, 18, 31, 40, 51
... Washer, 21, 34, 44... Washer attachment part.

Claims

[Scope of Claim for Utility Model Registration] A screw column that is screwed into a screw hole provided in a screwed member, a countersunk screw head that is integrally provided at one end of this screw column, and Consisting of a washer mounting part provided between the screw head and the screwed member, and a locking washer mounted on the washer mounting part and held between the screwed member and the screw head. A countersunk screw characterized by: