http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-204545517-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f7d91ae7ee71289922b04abd84dcc5f9 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B23B51-00 |
| filingDate | 2015-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6ec782825adea1f1c80301ea30e8e486 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4412d6a88cefc26c3eb6e81cdbf4037d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c15bfda4a949b9d3a1301401c84d4550 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6bae9a32b7b14d250592df238b055e3e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_640d8544f9d6d0499b6250f8cd48b57e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eec0c335eedfe2d464ebe604a779f677 |
| publicationDate | 2015-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-204545517-U |
| titleOfInvention | Self-locking head-changeable hard alloy drill bit |
| abstract | The utility model discloses a kind of self-locking head-changeable hard alloy drill bit, comprise cutter head and knife bar, cutter head is installed on the upper end of knife bar, the bottom of cutter head is provided with round handle, the upper end of knife bar is provided with vertical round handle holding tank or circle handle clamping hole, creeping on body of cutter head is at least provided with two cutter head breach, and cutter head breach is intersected by the first insert contacts face vertically or vertically tilted and the second insert contacts face and forms; The upper end wall of knife bar is provided with at least two and the projection that raise up identical with described cutter head breach quantity, the structure of projection meets the following conditions: in the process of assembling cutter head and knife bar, successively through contactless, Interference contact, non-Interference contact between cutter head corner edges and the inner surface of projection.Drill bit described in the utility model achieves the quick despatch between cutter head and knife bar, and very firm after assembling, achieves auto-lock function, and the transmission of cutter head and knife bar is also very reliable, without the need to screw lock in cargo handling process, very convenient, quick. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10537943-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104759664-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9937567-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10052698-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10058930-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11565356-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10071430-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-D798922-S http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-D798921-S http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10799958-B2 |
| priorityDate | 2015-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.