FIELD: machine building.
SUBSTANCE: invention refers to a fastening element for fixation in an undercut hole. The fastening element comprises a rod part and a spacer element. The rod part is fitted by a spacer body to expand the spacer element and a load applying unit. The spacer element is made as a bush and has a ring-shaped main body on which a spacer lug with a hole is set on the input side. The spacer lug and its hole are tapering in the direction of the free spacer lug end with the angle α at tapering vertex falling within the range of 20-40 degrees.
EFFECT: higher reliability of fixation of a fastening element in an undercut hole.
11 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FASTENER | 2012 |
|
RU2575430C2 |
| FASTENING FOR MOUNTING PROFILE | 2023 |
|
RU2812416C1 |
| DOWEL WITH SLEEVE HAVING DENTS | 1996 |
|
RU2153604C2 |
| DEVICE TO FIX FITTINGS ON HOLLOW CHAMBER SECTION BARS | 2007 |
|
RU2415246C2 |
| 0 |
|
SU341256A1 | |
| PLASTIC EXPANSION BOLT | 1995 |
|
RU2083885C1 |
| EXPANSION BOLT AND METHOD OF ITS ATTACHMENT | 0 |
|
SU1830115A3 |
| THRUST DOWEL | 0 |
|
SU1809879A3 |
| FASTENING PART WITH SPACER MEMBER | 1996 |
|
RU2115032C1 |
| CONNECTOR ELEMENT LOCK FOR CONNECTION UNITS AND CONNECTION POCKET FOR CONNECTOR ELEMENT LOCK | 2004 |
|
RU2328436C2 |
