FIELD: construction.
SUBSTANCE: key is made in the form of a flat turning element with a through hole and hollow metal pin with a shaped bit, which is perforated with holes.
EFFECT: simplifying the search by blind and starblind people and by specially trained animals.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| KEY | 2009 |
|
RU2399452C1 |
| SPLIT MOULD (VERSIONS) | 2013 |
|
RU2543771C1 |
| DEMOUNTABLE FORM | 2006 |
|
RU2332544C1 |
| RAIL | 2012 |
|
RU2516776C1 |
| ARROWHEAD | 2009 |
|
RU2401689C1 |
| BUTTON | 2013 |
|
RU2546428C2 |
| SCREW CONVEYOR | 2010 |
|
RU2430005C1 |
| AIRCRAFT WING | 2015 |
|
RU2580386C1 |
| WIDE-BODY AIRCRAFT WING (VERSIONS) | 2014 |
|
RU2568627C1 |
| CAGE FOR KEEPING SMALL ANIMALS | 2007 |
|
RU2345521C1 |
