| 摘要 |
<p>It is proposed a hinge with many adjustment positions for backs, arm rests and various movements in divans and beds, made up of a drilled plate with hole layout supplied with teeth for obtaining the fastening in various tilt positions and with two cam plates and counteracting teeth of the same toothed plate, and with fastening holes for bolts for obtaining the connection of various plates in the packet form that are then closed in a common case.</p> |
