FIELD: mechanical engineering. SUBSTANCE: fastener has threaded rod 1 with distance cone 2 at one end and distance member 3 fitted on the rod. Member 3 is made in form of roof-shaped bent oval washer. In this version, member 3 is made in form of a round washer with three roof-shaped bent sections. Fastening unit has front plate 6 with hole 5 and undercut 4. For locking the fastener in hole 5, member 3 is slide on distance cone 2 and is pressed off taking the flat form or form close to it; side edges of the member are wedges on the wall of hole. EFFECT: enhanced reliability. 4 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR ATTACHMENT OF FRONT SLABS | 0 |
|
SU1830100A3 |
| FASTENING MEMBER | 1993 |
|
RU2069721C1 |
| EXPANSION BOLT | 1991 |
|
RU2018729C1 |
| THRUST DOWEL | 0 |
|
SU1809879A3 |
| STRENGTHENING ELEMENT FOR FIXING IN SHORT, NOT UNDER CORE BLIND HOLE, MODE AND ADJUSTING INSTRUMENT FOR FIXING SIMILAR STRENGTHENING ELEMENT | 2004 |
|
RU2320906C2 |
| FASTENING PART WITH SPACER MEMBER | 1995 |
|
RU2106545C1 |
| EXPANSION BOLT | 0 |
|
SU1713445A3 |
| DEVICE FOR DRILLING MOUNTING HOLES | 1991 |
|
RU2033328C1 |
| ANCHOR FOR LOCKING IN OPENING DRILLED IN CONCRETE MEMBER BY COMPOSITE MASS | 1993 |
|
RU2078258C1 |
| FASTENING MEMBER FOR SECURING ARTICLES IN CONCRETE PART HOLE | 0 |
|
SU1830116A3 |
