| 摘要 |
PROBLEM TO BE SOLVED: To easily extract a tube, to easily carry out working in a short period of time, to save labour of working and to improve productivity. SOLUTION: This tube extraction tool 1 is constituted of a base plate 4 with a fixed click 2 mainly provided on its head end and a fixed lever 3 provided on the rear end side, a movable plate 11 furnished with a movable click 10 to face against the fixed click 2, installed on the base plate 4 by a screw shaft 7 to be a center of rotation and to revolve toward the fixed click 2 and an oscillating plate 8 connected to this movable plate 11 by a connecting pin 9. The oscillating plate 8 is furnished with a pair of upper and lower hose extraction clicks 5a, 5b free to open and close and an operating lever 6 inside of the fixed click 2 and the movable click 10, it is rotated around the screw shaft 7 as its center until the movable click 10 hits a stopper and thereafter it is oscillated around the connecting pin 9 as its center.
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