JPS607964U

JPS607964U - Bolt fastening device installation jig

Info

Publication number: JPS607964U
Application number: JP10006683U
Authority: JP
Inventors: 木村　善彦; 幸英嶋津
Original assignee: 三菱重工業株式会社
Priority date: 1983-06-30
Filing date: 1983-06-30
Publication date: 1985-01-19
Also published as: JPS6325097Y2

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

[Brief explanation of the drawing]

第１図は本件出願人がすでに提案したボルト締結装置を
示す平面図、第２図はその側面図、第３図は本案に係る
ボルト締結装置取付用治具の一実施例を示す平面図、第
４図はその側面図、第５図はその内外筒部を示す側面図
、第６図はそのアーム部を示す平面図、第を図は同アー
ムとマンホール蓋との関係を示す縦断側面図である。１・・・・・・マンホール蓋、２・・・・・・ボルト、
３〜１９・・・・・・ボルト締結装置、２０・・・・・
・取付用治具、２１・・・・・・外筒、２２・・・・・
・内筒、２４・・・・・・圧縮バネ、２６・晶・・アー
ム。Fig. 1 is a plan view showing a bolt fastening device already proposed by the applicant, Fig. 2 is a side view thereof, and Fig. 3 is a plan view showing an embodiment of a bolt fastening device installation jig according to the present invention. Fig. 4 is a side view of the same, Fig. 5 is a side view showing its inner and outer cylindrical parts, Fig. 6 is a plan view showing its arm part, and Fig. 5 is a vertical sectional side view showing the relationship between the arm and the manhole cover. It is. 1... Manhole cover, 2... Bolt,
3-19... Bolt fastening device, 20...
・Mounting jig, 21...Outer tube, 22...
- Inner cylinder, 24... Compression spring, 26 - Crystal... Arm.

Claims

[Scope of utility model registration request]

an arm whose one end is removably attached to a manhole cover, etc.; an outer cylinder whose other end is removably attached to the arm;
an inner cylinder assembled to be movable in the axial direction within the outer cylinder;
A tool for attaching a bolt fastening device characterized by comprising a compression spring interposed between the inner and outer cylinders so as to offset the weight of the bolt fastening device detachably attached to the tip of the inner cylinder. Ingredients.