초록 ▼

A support structure is provided for attachment to a chair base to support a seat and a backrest. The structure includes a tilt mechanism operable by leaning on an associated backrest to bend a spring link. As a result, both the backrest and seat tilt a predetermined amount. The disclosure also provi

A support structure is provided for attachment to a chair base to support a seat and a backrest. The structure includes a tilt mechanism operable by leaning on an associated backrest to bend a spring link. As a result, both the backrest and seat tilt a predetermined amount. The disclosure also provides an embodiment in which the tilt mechanism is adjustable so that the user can vary the amount of tilt achieved by leaning on the backrest.

대표청구항 ▼

[ I claim:] [1.] A support structure for use in a chair having a seat, a backrest and a base to provide a tilting action, the support structure having:a front element adapted to be fixed to the base for extending forwardly and upwardly terminating at a distal end;a spring link adapted to be fixed to

[ I claim:] [1.] A support structure for use in a chair having a seat, a backrest and a base to provide a tilting action, the support structure having:a front element adapted to be fixed to the base for extending forwardly and upwardly terminating at a distal end;a spring link adapted to be fixed to the base for extending rearwardly terminating at a rear end for bending to accommodate the tilting action;a seat support pivotally coupled to said distal end of the front element and coupled to the spring link at said rear end; anda backrest support fixedly attached to said rear end of the spring link whereby on assembly, a force applied to the backrest support will bend the spring link and result in said tilting action.