FIELD: drilling. SUBSTANCE: cutter holder in universal drill reducer has a seat in the form of through coaxial plane-conical hole narrowing toward connector. Lengthwise groove is communicated with plane- conical hole. The groove is of triangular cross-section. The connector has through coaxial conical hole. The conical hole is narrowing toward cutter holder and is communicated with its hole. EFFECT: easy changing. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| UNIVERSAL DRILLING RIG | 1992 |
|
RU2070274C1 |
| DRILL TOOL | 0 |
|
SU1749441A1 |
| CORING DRILLING BIT | 0 |
|
SU1796020A3 |
| MULTI-FUNCTION SHARPENING TOOL | 2017 |
|
RU2643008C1 |
| DRILLING TOOL | 1991 |
|
RU2012814C1 |
| SHANK-TYPE CUTTER | 2008 |
|
RU2446283C2 |
| MINING DRILLING SYSTEM WITH ADAPTER | 2017 |
|
RU2760380C2 |
| APPARATUS FOR ROTARY-PERCUSSIVE DRILLING OF BLAST-HOLES | 0 |
|
SU991043A1 |
| BLAST-HOLE ROTARY DRILLING DEVICE | 0 |
|
SU812915A1 |
| CUTTER HOLDER BUSHING | 2019 |
|
RU2788362C2 |
