CONVERTIBLE SOFA WITH ARTICULATED ARM RESTS

摘要

A convertible sofa is convertible between a sofa configuration and a bed configuration. The convertible sofa includes articulated armrests. When the convertible sofa is in a sofa configuration, the arm rests are in an arm rest configuration. When the convertible sofa is in a bed configuration, the arm rests are in a generally flat or horizontal configuration.

主权项

1. A convertible sofa frame, comprising:
a mounting bracket; a seat frame; a back frame pivotally connected to said seat frame at a first pivot point; a linkage connecting said seat frame and said back frame to said mounting bracket, said linkage comprising:
a first link defining a second pivot point, a third pivot point, and a sixth pivot point, said sixth pivot point not co-linear with said second pivot point and said third pivot point, said first link pivotally connected to said seat frame at said second pivot point and pivotally connected to said mounting bracket at said third pivot point;a second link defining a fourth pivot point, a fifth pivot point, and a seventh pivot point, said seventh pivot point not co-linear with said fourth pivot point and said fifth pivot point, said second link pivotally connected to said back frame at said fourth pivot point and pivotally connected to said mounting bracket at said fifth pivot point; anda third link pivotally connected to said first link at said sixth pivot point and pivotally connected to said second link at said seventh pivot point; and an arm rest having a first portion and a second portion, said first portion pivotally connected to said back frame and to said second portion, and said second portion pivotally connected to said first portion and to said seat frame.