Patent ID: 9241570
Filing Date: 2016-01-26
CPC Classification: A47C

Claim Text:
1. A tilt mechanism for a chair, configured to effect a coordinated movement of a chair seat and chair back, said tilt mechanism comprising: a base, a first support configured to support a chair seat and displaceably mounted to said base, a second support configured to support a chair back and pivotably coupled to said base, a first coupling mechanism coupling said first support to said base and comprising a first linear guide slot and a first pin slideably supported in said first linear guide slot, said first linear guide slot being provided on one of said base and said first support, and said first pin being attached to the other one of said base and said first support, and a second coupling mechanism coupling said second support to said first support and comprising a second linear guide slot and a second pin slideably supported in said second linear guide slot, said second linear guide slot being provided on one of said first support and said second support, and said second pin being attached to the other one of said first support said second support, said tilt mechanism being configured such that pivoting said second support relative to said base causes said second pin to be displaced along said second linear guide slot and said first pin to be displaced along said first linear guide slot, and said first coupling mechanism and said second coupling mechanism being arranged such that a longitudinal axis of said first pin is parallel to a longitudinal axis of said second pin.