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
Circuit design approximation
Power management method for reducing power of host when turning off main monitor and computer system applying the same
Monitoring system
Field-programmable analog array with memristors
Method and system for monitoring service quality in a mobile node
Replacing memory pointers with implicit pointers to be used in compiler-generated debug output
Distributed IP-PBX signal processing
  Randomly Featured Patents
Veneer production
Combined broom head holder and handle attachment
Location-based wireless messaging for wireless devices
Video game steering system causing translation, rotation and curvilinear motion on the object
Method of making metal wire with filaments for biomedical applications
Lithographic printing plate precursor and production method of lithographic printing plate
Thread retained security bolt system
Process for manufacturing farinaceous products
Method for producing an L-amino acid by enhancing expression of the yfiK gene in an Escherichia bacterium
Thermosetting flowmeter