DRIFT DRIVING OR PRODUCING MACHINE
A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted to the arm for movement about a vertical axis. At least two horizontally spaced apart rocking levers ar...
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| Main Authors | , , |
|---|---|
| Format | Patent |
| Language | English |
| Published |
28.07.1987
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| Edition | 4 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted to the arm for movement about a vertical axis. At least two horizontally spaced apart rocking levers are pivoted at their rear ends to the carrier for swinging about vertical axes and a lever drive is provided for swinging the levers simultaneously in the same directions. The forward end of each lever carrie at least one cutting tool which is rotatable about a generally vertical axis. |
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| AbstractList | A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end supporting a carrier which is pivoted to the arm for movement about a vertical axis. At least two horizontally spaced apart rocking levers are pivoted at their rear ends to the carrier for swinging about vertical axes and a lever drive is provided for swinging the levers simultaneously in the same directions. The forward end of each lever carrie at least one cutting tool which is rotatable about a generally vertical axis. |
| Author | BAERNTHALER,FRANZ,AT KRIVEC,EDUARD,AT ZITZ,ALFRED,AT |
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| Notes | Application Number: HU19860000412 |
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| PublicationCentury | 1900 |
| PublicationDate | 19870728 |
| PublicationDateYYYYMMDD | 1987-07-28 |
| PublicationDate_xml | – month: 07 year: 1987 text: 19870728 day: 28 |
| PublicationDecade | 1980 |
| PublicationYear | 1987 |
| RelatedCompanies | VOEST-ALPINE AG,AT |
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| Snippet | A mine drift advancing machine includes a cutting arm pivoted at its rear end to the machine chassis for movement about a horizontal axis and at its front end... |
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| SubjectTerms | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING MINING OR QUARRYING SHAFTS TUNNELS |
| Title | DRIFT DRIVING OR PRODUCING MACHINE |
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