Friction module, friction hinge, and adjustable headrest including the friction module and/or friction hinge
US-2018319302-A1 · Nov 8, 2018 · US
US11021089B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11021089-B2 |
| Application number | US-201916276775-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 15, 2019 |
| Priority date | Feb 22, 2018 |
| Publication date | Jun 1, 2021 |
| Grant date | Jun 1, 2021 |
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Inter alia, the invention relates to a support bracket (12) with two bar regions bracket on a vehicle seat, with a traverse (15) connecting the bar regions pivotally supporting a head contact part (11) of a headrest (10), and with locking means of a latch (17) for blocking pivoting the head contact part (11). The special feature is that the traverse (15) is made of plastic or a composite material and comprises attachment regions for securing to a support rod (13a, 13b) or is integrally connected with bar regions.
Opening claim text (preview).
The invention claimed is: 1. A headrest comprising: a head-contact part, two support rods on a vehicle seat, a traverse connecting the support rods, extending along an axis, made of plastic or of a composite material, formed with a dovetail-shaped strike formation extending axially and of a transverse width at a location proximal to the axis greater than at a remote from the axis, and pivotally supporting the head contact part for pivoting on the traverse between a use position and a nonuse position, and a latch element with an axially elongated dovetail-shaped counter formation slidable axially along of the dovetail strike formation and movable between a latched position fitting complementarily with the dovetail-shaped strike and inhibiting pivoting of the head-contact part on the traverse and an unlatched position not engaged with the dovetail strike formation and allowing such pivoting. 2. The headrest according to claim 1 , further comprising: slide surfaces for the pivotal slide-mounting of the head contact part and molded on the traverse. 3. The headrest according to claim 1 , further comprising: at least one strike for arresting the head contact part is and molded in at least one pivot position on the traverse. 4. The headrest according to claim 1 , further comprising: at least one stop surface molded on the traverse and shaped to cooperate with a counter surface of the head contact part and to limit pivoting of the head contact part in at least one pivoting direction. 5. The headrest according to claim 1 , wherein holes are formed on the traverse that each form a seat for a respective support rod. 6. The headrest according to claim 5 , wherein at least a first stop formation is formed on the seat that prevents movement of the support rod in a demounting direction or with respect to a rotation in the hole around a longitudinal axis of the support rod. 7. The headrest according to claim 4 , further comprising: a guide surface molded on the traverse and suitable to guide the latch element into engagement with the stop surface. 8. The headrest according to claim 2 , wherein the head contact part comprises bearing surfaces that respectively cooperate with the slide surfaces and form a pivot bearing. 9. The headrest according to claim 1 , wherein the latch element is formed as a slider that is mounted on the head contact part for straight-line movement along the axis of the traverse. 10. The headrest according to claim 1 , wherein the latch element is actuatable by an actuator outside on the headrest, a housing of the head contact part having at least one recess holding the actuator, the recess and actuator being covered by an elastically deformable plastic skin.
characterised by their adjusting mechanisms, e.g. electric motors · CPC title
Release mechanisms, e.g. buttons · CPC title
movable to an inoperative or stowed position · CPC title
characterised by their locking devices · CPC title
Release mechanisms, e.g. buttons · CPC title
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