http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2002054391-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_74973199515dbabd2310245aab03e282 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21D9-11 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21D9-10 |
| filingDate | 2000-08-09^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e445a13ca142bf55e68450ba3d1826da http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_07b5ed67099b63319713f6970e9b2dec |
| publicationDate | 2002-02-20^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2002054391-A |
| titleOfInvention | Tunnel machine |
| abstract | (57) [Summary] [PROBLEMS] To provide a rock tunnel excavator that can secure a wide space inside a main body and easily control direction. SOLUTION: A pair of outer cylinders 20 are provided on the left and right sides of a rear trunk shell 14, and a front end of the outer cylinder 20 has a rear grip shoe 21a. The inner cylinder 21 to be expanded and contracted was attached. A stopper 22 for the inner cylinder 21 is provided inside the outer cylinder 20. A bracket 23 is provided on the upper part of the outer cylinder 20 inside the rear torso shell 14, and the link A 25 were joined with pins 24. The other end of the link A25 was connected to the opposite link A25 via a pin 34 by a hydraulic jack 13 for gripper expansion and contraction. One end of the link B26 is connected to an intermediate portion of the link A25 by a pin 27, and the other end is formed as a slider structure 28 so that it can slide vertically inside the rear grip shoe 21a. Link B26 is The force is amplified by this principle in accordance with the swing of the link A25. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106050255-A |
| priorityDate | 2000-08-09^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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