JPH01152603U

JPH01152603U -

Info

Publication number: JPH01152603U
Application number: JP5011188U
Authority: JP
Priority date: 1988-04-14
Filing date: 1988-04-14
Publication date: 1989-10-20

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案の第１実施例を示
し、第１図は第２図中―線に沿う断面図、第
２図は湾曲管の断面図、第３図はリベツトの断面
図、第４図はリベツトの切削工程を示す断面図、
第５図ないし第７図は本考案の第２実施例を示し
、第５図は節輪の連結部分の断面図、第６図はリ
ベツトの切削工程を示す断面図、第７図はリベツ
トの断面図、第８図は本考案の第３実施例のリベ
ツトを示す断面図、第９図ないし第１５図は従来
の技術を示し、第９図は湾曲管の断面図、第１０
図は第９図中―線に沿う断面図、第１１図は
内視鏡の斜視図、第１２図ないし第１４図はリベ
ツトの切削工程を順に示す断面図、第１５図は同
じくリベツトの他の切削工程を示す断面図である
。５……湾曲管、６……内蔵物、７……節輪、３
１，４１，５１……リベツト、３２……中空孔、
４１……凹部。 1 to 4 show a first embodiment of the present invention, FIG. 1 is a sectional view taken along the line - in FIG. 2, FIG. 2 is a sectional view of a curved pipe, and FIG. 3 is a sectional view of a rivet. Figure 4 is a cross-sectional view showing the rivet cutting process.
Figures 5 to 7 show a second embodiment of the present invention, with Figure 5 being a cross-sectional view of the connecting part of the joint ring, Figure 6 being a cross-sectional view showing the rivet cutting process, and Figure 7 being a cross-sectional view of the rivet cutting process. 8 is a sectional view showing a rivet according to a third embodiment of the present invention, FIGS. 9 to 15 show a conventional technique, and FIG. 9 is a sectional view of a curved pipe.
The figures are a sectional view taken along the line in Fig. 9, Fig. 11 is a perspective view of the endoscope, Figs. It is a sectional view showing a cutting process of. 5...Curved pipe, 6...Internals, 7...Nodal ring, 3
1,41,51...Rivet, 32...Hollow hole,
41... Concavity.

補正昭６３．７．２８実用新案登録請求の範囲を次のように補正する
。Amendment July 28, 1983 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】複数の節輪をリベツトにて回動可能に連結する
とともに、これら節輪の内側に内蔵物を挿通して
なる湾曲管を備え、上記リベツトの少なくとも節輪の内側に臨む一
端中心部を中空に形成したことを特徴とする内視
鏡の湾曲管。[Scope of Claim for Utility Model Registration] A plurality of joint rings are rotatably connected by rivets , and a curved pipe formed by inserting a built-in substance inside the joint rings is provided, and at least the inside of the joint rings of the rivets is provided. A curved tube for an endoscope, characterized in that the center of one end facing the end is formed hollow.

Claims

[Scope of Claim for Utility Model Registration] A plurality of joint rings are rotatably connected by machined rivets, and a curved pipe is formed by inserting a built-in member inside the joint rings, and at least one of the above-mentioned rivets is provided. A curved tube for an endoscope, characterized in that the center of one end facing the inside of the nodal ring is formed hollow.