JPH03100072U

JPH03100072U -

Info

Publication number: JPH03100072U
Application number: JP905790U
Authority: JP
Priority date: 1990-01-31
Filing date: 1990-01-31
Publication date: 1991-10-18

Description

[Brief explanation of drawings]

図面は本考案の実施例を示すもので、第１図〜
第５図は第１の実施例を示しており、第１図は常
態における側面図、第２図はその１部を切欠した
側面図、第３図は両顎部材のボルト・ナツトの挟
持部を開放した状態における１部を切欠した側面
図、第４図は大きな締付部を備えたボルトを挟持
した状態における１部を切欠した側面図、第５図
は小さな締付部を備えたボルトを挟持した状態に
おける１部を切欠した側面図、第６図〜第１０図
は第２の実施例を示しており、その各図は第１の
実施図と夫々対応する各側面図である。符号の説明、１……ハンドル、２……上顎部材
、３……下顎部材、４，５……ピン、６ａ，６ｂ
……挟持部、７ａ，７ｂ……歯部、Ｐ_１，Ｐ_２…
…枢着部、Ｈ……長孔、Ｓ……スプリング、Ｓ_１，Ｓ_２……スプリングの端部。 The drawings show examples of the present invention, and are shown in Figs.
Fig. 5 shows the first embodiment, Fig. 1 is a side view in a normal state, Fig. 2 is a partially cutaway side view, and Fig. 3 is a clamping part of the bolt/nut of the double-jaw member. Fig. 4 is a partially cutaway side view of the bolt with a large tightening part being clamped, and Fig. 5 is a partially cutaway side view of the bolt with a large tightening part. 6 to 10 show the second embodiment, and each figure is a side view corresponding to the first embodiment. Explanation of symbols, 1... Handle, 2... Upper jaw member, 3... Lower jaw member, 4, 5... Pin, 6a, 6b
...Holding part, 7a, 7b...Tooth part, _P1 , _P2 ...
... Pivot joint, H... Long hole, S... Spring, S ₁ , S ₂ ... End of the spring.

Claims

[Scope of Claim for Utility Model Registration] (1) A ratchet trench that is configured to be able to freely adjust the clamping interval of the bolt/nut tightening part between the upper jaw member and the lower jaw member installed at the tip of the handle. The upper and lower jaw members are rotatably connected to the handle via pins, and are removably engaged through longitudinal teeth provided on the inner contact surfaces of the upper and lower jaw members. Further, either the upper or lower jaw member is configured to be able to move forward and backward in the longitudinal direction of the long hole through the longitudinal long hole provided in the jaw member and the above-mentioned pin, and furthermore, both jaw members A ratchet trench, characterized in that it is configured to elastically open and close during operation by means of springs that are biased to expand and that are fixed at both ends to the trench. (2) An elongated hole is provided near the base of the lower jaw member, and one end of a spring is fixed at a position above the pivot joint of the lower jaw member, and another end of the spring is fixed at a position below the pivot joint of the upper jaw member. 2. The ratchet trench according to claim 1, wherein the ends are fastened. (3) An elongated hole is provided near the base of the upper jaw member, and one end of the spring is fixed at a position rearward of the center of the fulcrum in the pivot joint of the lower jaw member, and a spring is fixed at a position below the pivot joint of the upper jaw member. The ratchet trench according to claim 1, wherein the other end is fixed.