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    • 13. 发明专利
    • TIP POINT STROKE METER
    • JP2000065505A
    • 2000-03-03
    • JP23756698
    • 1998-08-24
    • SUMITOMO ELECTRIC INDUSTRIESAIREC ENG CORP
    • NEGISHI YASUOSEKI RYUNOSUKETONISHI MAKOTO
    • E21D9/06G01B5/02
    • PROBLEM TO BE SOLVED: To enable freely adjusting a head stroke by rotatably installing a roller driven along an internal cylinder of a tip point device at a lever held by an axis of a frame and determining a revolution number of the roller. SOLUTION: A frame F2 made of a metal piece is fixed to a cover F1 with a bifurcated part directed downward. A rectangular lever F3 is held between the bifurcated part by an axis, where the lever F3 provided a rotation axis connected to the frame F2 at an end and a pair of rollers F4a, F4b at other end. The rollers F4a, F4b made of a nonskid material such as rubber holds an end of the lever F3 from both sides to rotate in contact with an outer circumference of an internal cylinder. The rollers F4a, F4b are truncated cone-like, where a taper angle of each roller is set at an angle approximated to an outer circumference curvature of the internal cylinder and arranged with a small diameter side directed toward the lever F3 side. A multiple rotation type of potentiometer F5 is equipped coaxially with the roller F4b and converts its rotation to a voltage value to calculate a stroke of the internal cylinder C4 for determining a revolution number.
    • 19. 发明专利
    • OPTICAL CABLE ATTACHMENT JIG
    • JP2002271930A
    • 2002-09-20
    • JP2001060677
    • 2001-03-05
    • AIREC ENG CORPOKAYAMA CITY
    • HASHIMOTO YOSHIOSAWAGUCHI AKIRA
    • E03F3/06F16L1/00G02B6/46H02G1/06H02G9/06
    • PROBLEM TO BE SOLVED: To provide optical cable attachment jigs which can be attached at a low cost, while no treatment is applied to a conduit itself and a cable is fixed to the upper part inside the conduit in order not to obstruct a flow of fluid, can be replaced, are free from local stress concentrations, and have simple structure. SOLUTION: A plurality of first optical cable attachment jigs 1 are bound on an upper surface of an outer covering pipe 5 at positions where center parts of flat springs 11 are brought into contact with the upper surface of the pipe 5, the jig 1 is largely warped and deformed by pressing both ends of sticking plates 12 inward with hands, etc. The pressing force is released in a state that tips of both the sticking plates 12 are positioned inside a holding arm 31 to have the first optical cable attachment jigs 1 held by the holding arm 31 and, if all the first optical cable attachment jigs 1 are temporarily fixed to a truck 3, the truck 3 is transferred to a prescribed position of a drainpipe 4 and both the ends of the sticking plates 12 are released from holding by the holding arm 31. With this release, the first optical cable attachment jigs 1 are powerfully opened by the elastic force of the flat springs 11 and fixed to the inner wall of the drainpipe 4.