FIELD: optics.
SUBSTANCE: invention relates to equipping and can be used for manufacturing of head supports of various devices. Device includes first and second loops supporting head attachment on head of wearer, and adjusting mechanism for tightening of first and second loops. Adjustment mechanism tightens the loop down to the desired fit, after which further actuation of the adjustment mechanism has no effect on the loops.
EFFECT: technical result is easy and convenient adjustment of head attachment.
20 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BONDING DEVICE | 2008 |
|
RU2513552C2 |
| CHILD SAFETY SEAT WITH DRIVE BELT TENSIONER | 2020 |
|
RU2765506C2 |
| PORTABLE CONTROL DEVICE, VIRTUAL/AUGMENTED REALITY SYSTEM AND CONTROL METHOD | 2019 |
|
RU2738725C1 |
| WINDOW CURTAIN, CONTROL THEREOF MODULE AND OPERATING METHOD THEREOF | 2013 |
|
RU2585554C1 |
| SPINE IMMOBILISATION APPARATUS | 2009 |
|
RU2525733C2 |
| WINDOW CURTAIN | 2017 |
|
RU2692850C1 |
| DEVICE FOR BREATHING WITH RESISTANCE | 2016 |
|
RU2661272C2 |
| TYING UP DEVICE | 2010 |
|
RU2564184C2 |
| OFF-ROAD CAR TRANSMISSION | 2008 |
|
RU2462371C2 |
| KNOTTING DEVICE | 2008 |
|
RU2477252C2 |
