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858results about "Back rests" patented technology

Lumbar support for car seat

InactiveUS6955399B2Easy to drive safelyEasy to solveBack restsStoolsCar seatPelvic region
A lumbar support for a car seat includes a support element formed of a plate spring having a high elasticity to be positioned between traverse fixing bars which are mounted at upper and lower parts in a seat back for supporting a lumbar portion of a driver, and having a plurality of support wings formed at both sides and folded outwardly for surrounding the lumbar portion of the driver and a curved protrusion optionally formed in the center for supporting the lumbar portion of the driver, coupling units for coupling the support plate with the traverse fixing bars, a supporting height control element for steplessly controlling a protruded height of the support plate which is selectively and curvedly protruded at a side of the support plate, and a pelvic supporting element formed at a lower part of the support plate and connected to the support plate to contact and support hips of the driver, wherein the contact between the seat and the driver may be improved by forming the pelvic supporting element at the lower part of the support plate for stably supporting the lumber region and the pelvic region of the driver seating in the seat, so that it is possible to promote the safety driving by preventing the driver from being tired easily even in case of the long time driving, and to prevent the bad pose of the driver by the stable supporting of the lumbar region and the pelvic region of the driver, thereby maintaining the safety and the health of the driver.
Owner:HONG CHEONG MYUNG

Seat back frame for vehicle seat

A seat back frame for a vehicle seat includes first and second side members spaced apart from each other, each of the first and second side members being made of ultra-high tensile strength steel, the first side member having a first longitudinal body of a substantially U-shape in cross-section, the first longitudinal body comprising a pair of first spaced apart flange sections and a first main plate section interconnecting the first spaced apart flange sections, the first side member having a first upper region and a first lower region, the second side member having a second longitudinal body of a substantially U-shape in cross-section, the second longitudinal body comprising a pair of second spaced apart flange sections and a second main plate section interconnecting the second spaced apart flange sections, the second side member having a second upper region and a second lower region, an upper member arranged between the first and second upper regions of the first and second side members, the upper member being made of ultra-high tensile strength steel, the upper member having first and second end portions, the upper member being mounted, by spot-welding, to the first and second upper regions of the first and second side members with the first and second end portions thereof being fitted in the first and second side members, and a lower member arranged between the first and second lower regions of the first and second side members, the lower member being made of ultra-high tensile strength steel, the lower member having third and fourth end portions, and the lower member being mounted, by spot-welding, to the first and second lower regions of the first and second side members with the third and fourth end portions thereof being fitted in the first and second side members.
Owner:TS TECH CO LTD
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