FIELD: human vital needs satisfaction.
SUBSTANCE: in a button containing a round housing, the fixing elements, the side surface of the housing has a screw thread for mounting a removable part made in the form of a ring with a counter-thread on the inner side surface. The removable part is asymmetric.
EFFECT: convenience of using the button, and also expanding the range of buttons.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| RIVET (VERSIONS) | 2016 |
|
RU2616892C1 |
| BUTTON | 2017 |
|
RU2657985C1 |
| BUTTON | 2017 |
|
RU2671183C1 |
| WHEEL | 2010 |
|
RU2441763C1 |
| BUTTON | 2017 |
|
RU2657981C1 |
| BUTTON | 2017 |
|
RU2654176C1 |
| BUTTON | 2017 |
|
RU2654681C1 |
| BUTTON | 2017 |
|
RU2653455C1 |
| AIRCRAFT FUSELAGE | 2015 |
|
RU2610151C1 |
| ELECTRIC BULB SOCKET | 2012 |
|
RU2498444C1 |
