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US 8,985,695 B2Granted
Backrest made of plastic comprising functional elements made of or coated with plastic
AssigneeSitech Sitztechnik GmbH
InventorJens Baumgarten
Life of this patent
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Abstract
A backrest is provided, whereby a frame-shaped base structure of which is made of a dimensionally stable plastic, The base structure being formed from beams. The frame-shaped base structure includes at least one functional element between the beams, and the at least one functional element is made only of a plastic and/or as a plastic-coated insert. Injection molding is proposed as a production method.
Claims22
A backrest comprising:
- a frame-shaped base structure formed from beams, the frame-shaped base structure being made of a fiber reinforced plastic;
- a functional element arranged between the beams of the frame-shaped base structure;
- a metal insert arranged in the frame-shaped base structure;
- and
- a backrest tilt adjuster,
- wherein the metal insert is directly connected to the backrest tilt adjuster, and
- wherein the functional element is formed either from plastic or as a plastic-coated insert.
4 more elements
A backrest, comprising:
- a fiber-reinforced plastic frame, comprising:
- a pair of parallel beams;
- a cross-member disposed between and connected to the pair of parallel beams;
- at least one functional element arranged between the beams, the at least one functional element made from a material comprising plastic;
- and
- a metal insert arranged in the pair of parallel beams;
- and
- a backrest tilt adjuster,
- wherein the metal insert directly is connected to the backrest tilt adjuster, and
- wherein the at least one functional element extends across a space between the pair of parallel beams and the cross-member, the at least one functional element having a first end connected to a first of the pair of parallel beams and a second end connected to a second of the pair of parallel beams.
7 more elements
The backrest according to clam 21, further comprising an insert extending continuously through the functional element into the frame-shaped base structure.
Dependencies are inferred from the claim text.