Spring unit for weight adjustment of a chair
First Claim
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1. A spring unit for the weight-setting of a chair, comprising:
- a first gas spring element for the weight-setting of a chair;
further spring elements; and
an adjusting device for selectively engaging a given combination of said further spring elements to act in parallel with said first gas spring element to adjust the weight setting of the chair.
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Accused Products
Abstract
A spring unit (11) for the weight setting of a chair (1), in particular an office chair, having a gas spring (12) and having a number of further spring elements (17, 18, 19; 27, 28) which can be connected up to the gas spring (12) individually or in combination. The spring unit (11) is expediently arranged between a seat carrier (7) connected to a rotary column (8) of the chair (1), and the seat (3), or a backrest link (4) which extends at least approximately parallel to said seat (3) and belongs to a backrest (2).
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Citations
13 Claims
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1. A spring unit for the weight-setting of a chair, comprising:
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a first gas spring element for the weight-setting of a chair;
further spring elements; and
an adjusting device for selectively engaging a given combination of said further spring elements to act in parallel with said first gas spring element to adjust the weight setting of the chair. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification