JPH0471693U

JPH0471693U -

Info

Publication number: JPH0471693U
Application number: JP11553890U
Authority: JP
Priority date: 1990-11-02
Filing date: 1990-11-02
Publication date: 1992-06-24
Anticipated expiration: 2005-11-02
Also published as: JP2516567Y2

Description

[Brief explanation of the drawing]

第１図は本考案の蓋開け具の斜視図、第２図は
第１図の平面図、第３図は第１図の側面図、第４
図は第３図の破線で囲まれた部分の詳細を示した
側面図、第５図は第２図の破線で囲まれた部分の
詳細を示した正面図、第６図は第５図Ａ−Ａ′線
の矢視図、第７図は集水桝の上部平面図、第８図
ａ，ｂは本蓋開け具の先端鉤を鉤孔に挿入し、且
つ、回転させる状態を示す部分図、第９図は第７
図Ｂ−Ｂ′線の要部断面図であり、鉤孔に先端鉤
を掛止した状態を示す。第１０図は第９図におい
て鉤孔が深い場合に先端鉤を挿入する状態図、第
１１図は第９図において本考案の蓋開け具を２本
組合せて用いて開蓋する際の各蓋開具の設置状態
図、第１２図はマンホールの上部平面図、第１３
図は第１２図Ｃ−Ｃ′線の要部断面図であり切欠
縁に先端鉤を係入して蓋体をこじり上げる際の先
端鉤の設置状態図、第１４図は第１２図Ｄ−Ｄ′
線の要部断面図であり本考案の蓋開け具を２本組
合せて用いて開蓋する際の各蓋開け具の設置状態
図。また、第１５図及び第１７図は従来の各開蓋
具の斜視図、第１６図ａ，ｂは従来の開蓋具の係
止部を鉤孔に挿入し、且つ、回転させる状態を示
す部分図、第１８図は従来の開蓋具の鉤形部を鉤
孔に挿入し、且つ、回転させる状態を示す部分図
である。１……支持棒、２……握り部、３……先端鉤、
４，５……掛鉤、６……湾曲部、７，８……突起
部、９……切欠部、１７，２０……部材、１８，
１９……掛鉤４，５の内側面。 Figure 1 is a perspective view of the lid opening tool of the present invention, Figure 2 is a plan view of Figure 1, Figure 3 is a side view of Figure 1, and Figure 4 is a side view of Figure 1.
The figure is a side view showing details of the part surrounded by the broken line in Fig. 3, Fig. 5 is a front view showing details of the part surrounded by the broken line in Fig. 2, and Fig. 6 is Fig. 5A. -A' line arrow view, Figure 7 is a top plan view of the water catchment basin, Figures 8a and b are partial views showing the state in which the tip hook of the main lid opening tool is inserted into the hook hole and rotated. , Figure 9 is the seventh
It is a sectional view of the main part taken along the line B-B' in FIG. 1, showing a state in which the tip hook is hooked into the hook hole. Figure 10 is a state diagram of inserting the tip hook when the hook hole is deep in Figure 9, and Figure 11 is a diagram of each lid opening tool when opening the lid using a combination of two lid opening tools of the present invention in Figure 9. Fig. 12 is a top plan view of the manhole, Fig. 13 is an installation state diagram of
The figure is a cross-sectional view of the main part taken along line C-C' in Figure 12, and shows how the tip hook is installed when the tip hook is inserted into the notch edge to pry up the lid. D'
FIG. 2 is a sectional view of the main part of the line, and is a diagram showing the installation state of each lid opening tool when opening the lid using a combination of two lid opening tools of the present invention. 15 and 17 are perspective views of each conventional lid opening tool, and FIGS. 16a and 16b show the state in which the locking part of the conventional lid opening tool is inserted into the hook hole and rotated. FIG. 18 is a partial view showing a state in which a hook-shaped portion of a conventional lid opening tool is inserted into a hook hole and rotated. 1...Support rod, 2...Grip part, 3...Tip hook,
4, 5... Hanging hook, 6... Curved portion, 7, 8... Protrusion, 9... Notch, 17, 20... Member, 18,
19...Inner surface of hooks 4 and 5.

Claims

[Scope of utility model registration request]

One end of the support rod 1 has a substantially heart-shaped grip part 2 with a hook-shaped hook 4 protruding from one side thereof, and a hook 5 that is protruded in a predetermined positional relationship with the hook 4. At the other end of the support rod 1, there is a curved portion 6 which has a predetermined positional relationship with the hook 5 and gradually becomes flat toward the tip, and an outer periphery of the curved portion 6. a substantially cock-comb-shaped protrusion 7 protruding along the curved portion 6; and a substantially fan-shaped protrusion 8 protruding along the inner periphery of the curved portion 6.
A lid opening tool comprising a substantially beak-shaped tip hook 3 consisting of.