Improved ergonomic chair. (Machine-translation by Google Translate, not legally binding)

摘要

Improved ergonomic chairs, being of the type comprising two racks the one previous (1) and posterior (2); which engage articulately a scissor via a transverse axis (3), based on soil both racks (1 and 2) at their lower ends, while the upper ends have been fixed seats, a smaller ( 8) knee support and other major normal (9) fixed to the upper end of the front frame (1); the previous being provided frame (1) comprises two parallel beams (6 and 7) between which the rear frame (2) engages; existing mechanism height adjustment of both seats; wherein the adjustment mechanism height is determined from a support (10) whose bottom attaches articulately via a shaft (13) in the area low frame back (2), while the upper part of the support (10) has some lugs side (15) leading and guides sendas grooves longitudinal facing (16) provided in the two parallel beams (6 and 7) of the previous frame (1), having said grooves longitudinal (16) starters with several (17) supplemental side lace lugs (15) of the support (10); with the difference that the two lower ends of said longitudinal grooves (16) are open. (Machine-translation by Google Translate, not legally binding)