| http://www.w3.org/ns/prov#value | - In a push chair, a seat comprising a support, a seat back, and a foot rest, said seat back and said foot rest being adjustable in inclination with respect to said support, and an articulated quadrilateral mechanism operatively connected between said foot rest and said seat back, said mechanism including a shaft and a link rod, said link rod rigid with said seat back and extending between said shaf
|
