FIELD: vehicles seats. SUBSTANCE: back spring structure has a strap member to provide support for a sitting man lumbus. The strap member has a butterfly shape as a whole and is formed by at least two parts pivotally interconnected for fitting the back of the sitting person. EFFECT: improved structure. 21 cl, 26 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SEAT WITH IMPROVED LUMBAR SUPPORT | 1993 |
|
RU2106984C1 |
| SUPPORTS FOR USER'S BACK IN SEAT BACKREST OF AUTOMOTIVE VEHICLE | 1992 |
|
RU2038987C1 |
| SEAT-BOTTOM | 0 |
|
SU1804400A3 |
| CONTROL UNIT OF SWITCHABLE POWER TRANSMISSION FOR FOUR-WHEEL DRIVE VEHICLE | 1990 |
|
RU2010733C1 |
| OPERATOR'S SEAT OF BUILDING MACHINE | 2002 |
|
RU2210510C1 |
| AUTOMOBILE REAR SEAT UNIT | 1992 |
|
RU2082629C1 |
| LAMINATED SEAT BEARING STRUCTURE | 1991 |
|
RU2015041C1 |
| VEHICLE BRAKE ASSEMBLY WITH ANTIBLOCKING | 1990 |
|
RU2041840C1 |
| CAR BODY SUBASSEMBLY WELDING DEVICE | 0 |
|
SU1838070A3 |
| ARMCHAIR BACK | 2004 |
|
RU2281677C2 |
