Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 5/57.1
Name: Beds > Sofa bed > Bed element > Hinge
Description: Device comprising a pivot connection specially employed in a sofa or other folding type of bed.

Sub-classes under this class:

Class Number Class Name Patents
5/57.2 Having anti-pivoting means 11

Patents under this class:

Patent Number Title Of Patent Date Issued
8464370 Convertible furniture item Jun. 18, 2013
6738997 Mechanism for a divan bed May. 25, 2004
4669135 Sofa bed with front extension Jun. 2, 1987
4437197 Folding sofa-bed mechanism Mar. 20, 1984
4376316 Hinge for adjustable beds and the like Mar. 15, 1983
4104745 Sofa bed with TV headrest Aug. 8, 1978

  Recently Added Patents
Electronic system and method for compensating the dimensional accuracy of a 4-axis CNC machining system using global and local offsets
High brightness laser diode module
Determining system for localization methods combination
Nanocatalysts structure, process for the preparation and use thereof
Scanned image projection system employing intermediate image plane
Backside structure and methods for BSI image sensors
  Randomly Featured Patents
Palleting device
Semiconductor system and memory sharing method
Coffee bean roaster with visual display column
Packaging for a storage medium in particular for a cd
Field master connector cleaning system
Search device for locating a transmitter, in particular an avalanche-victim search device
High early strength cement and additives and methods for making the same
Laser thermal control using thermoelectric cooler
Method and system to optimize group achievement employing group members' collective intelligence
Flexible clutch for a two-mass flywheel