|
US2019021503A1
|
|
Headrest adjustment device
|
|
US2018368581A1
|
|
Electric support system for headrest
|
|
CN108836004A
|
|
headrest synchronous lifting device
|
|
US2018125242A1
|
|
Electric push rod and electric headrest support
|
|
CN107550115A
|
|
Double freedom head rest adjusting device
|
|
PL419172A1
|
|
Supporting system for a headrest
|
|
CN105662000A
|
|
Hinge installation insertion sleeve
|
|
CN105534136A
|
|
Headrest frame capable of achieving automatic lifting
|
|
US2016040464A1
|
|
Hinge
|
|
DE102015117461A1
|
|
Support system for adjusting a headrest
|
|
CN105054659A
|
|
Electric headrest frame
|
|
CN104873027A
|
|
Electric sofa support
|
|
US9282827B1
|
|
Lifting stand for adjusting headrest
|
|
CN104161408A
|
|
Insertion sleeve
|
|
CN104172793A
|
|
Multifunctional lifter
|
|
CN103750668A
|
|
Backrest translation mechanism
|
