Mobile joint suitable for a sitting device
AssigneeStokke AS
InventorTor Ronnestad
Life of this patent
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Abstract
The present invention relates to a mobile joint (1) with spring resistance, suitable for a sitting device, comprising a first and a second joint element (10, 20), which are pivotally connected by a shaft (3), to allow tilting of the sitting device caused by the displcement of the users weight, comprising a first and a second parallel plate spring (18, 19) with first and second ends, with an intermediate blocking element (11), wherein each plate spring (18, 19) in the first end are connected to the first joint element (10), and in the second end are glidingly abutting the second joint element (20), the first and second plate spring (18, 19) each having an axis of rotation that is displaced in relation to each other and the shaft (3).
Claims9
A mobile joint (1) suitable for a sitting device, comprising a first and second joint element (10,20), which are pivotally connected by a shaft (3), to allow tilting of the sitting device caused by the displacement of the users weight, characterized in that the mobile joint comprises a first and second parallel plate spring (18,19) with first and second ends, with an intermediate blocking element (11), wherein each plate spring (18,19) in the first end are connected to the first joint element (10), and in the second end are glidingly abutting the second joint element (20), the first and second plate spring (18,19) each having an axis of rotation that is displaced in relation to each other and the shaft (3).
The Use of the mobile joint (1) formed according to one of the preceding claims in a chair comprising a seat device (100) and an underframe (200) wherein the mobile joint (1) connects the seat device (100) and the underframe (200).
Dependencies are inferred from the claim text.