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Backrest

A backrest and backrest support technology, applied to stools, other seating furniture, household appliances, etc., to achieve the effects of light weight, reduced quantity, and reduced production complexity

Inactive Publication Date: 2004-10-20
SEDUS STOLL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has disadvantages with regard to seating comfort, since the backrest is actually suspended from the armrests, and all the more so when a central spring element is provided, which only satisfies the user to a very limited extent with respect to back flexibility. support requirements

Method used

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Examples

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Embodiment Construction

[0019] Represented in the figures is a backrest according to the invention comprising a frame 1 , a backrest support 6 and a neck support 15 .

[0020] The frame 1 comprises a left side part 2 and a right side part 3 . The two sides 2 , 3 are connected to each other by a lower crosspiece 4 and an upper crosspiece 5 .

[0021] The sides 2, 3 have on the outside a groove 26 in which a membrane (not depicted) made of elastic fabric is clamped with its seamed side edges.

[0022] Strip holders 16, 17 molded onto the sides 2, 3 are also provided and straps can be clipped into the holders 16, 17 as dedicated lordotic supports.

[0023] The back support 6 comprises a left leg 7 and a right leg 8 which are brought together in a connection 18 in a fork-shaped manner. The connecting piece 18 extends smoothly and continuously into the lower rail 4 . At the front, the legs 7, 8 have sockets 9, 10 on which the rear of the seat panel (not depicted) is mounted. Directly at the front, the...

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PUM

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Abstract

The back-rest for a chair comprises a frame (1) and a frame holder (6) which are producible together as a one-piece item. An Independent claim is also included for a method for producing the proposed back-rest.

Description

technical field [0001] The invention relates to the field of seating furniture, in particular to the backrest of office chairs, wherein the membrane is clamped in the frame. Background technique [0002] In the case of office chairs it is known to attach the backrest to the backrest support in such a way that it follows as far as possible the movement of the user's back. In technical terms, this means that the backrest is mounted gimbaled, that is, the backrest can move about three spatial axes. So it can follow the sagittal movement of the back, that is, movement around a horizontal axis parallel to the body, but also the torsional and lateral movements of the back, that is, around a vertical axis and around a horizontal axis perpendicular to the body exercise. Such combined upper body movements in three directions occur frequently in practice, for example, when reaching diagonally down to a desk drawer, or when turning towards another person during a conversation. The u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C5/12A47C7/38A47C7/44
CPCA47C7/44A47C5/12A47C7/38
Inventor K·-P·格拉斯M·施勒格M·赛勒
Owner SEDUS STOLL
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