Patent ID: 9016793
Filing Date: 2015-04-28
Classification: A47C,B60N

Abstract:
1. An adjustable connecting device for connecting an armrest to a back support element of a furniture piece so that the angle of the armrest relative to the back support element may be incrementally adjusted between an upper position and a lower position, the device comprising: a pivot pin with one end adapted to be connected to the back support element so the armrest is pivotable on the pin; a gear on the pin, said gear having a face with an upstanding portion, said gear also having exterior teeth; a cam ring on the pin with an interior surface and an exterior cam surface, a ratchet carried by the armrest having a cylinder portion at a pivot end, a tail with teeth at another end, and a central section between said ends, opposite lateral sides of said central section of the ratchet each has a ledge for engagement with the exterior cam surface of the cam ring for pivoting the ratchet upon rotation of the armrest; and a tension spring for constantly urging the tail of the ratchet in a direction toward engagement with the gear.