Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 5/57.2
Name: Beds > Sofa bed > Bed element > Hinge > Having anti-pivoting means
Description: Device comprising means to prevent accidental opening or accidental closing of the hinge.

Patents under this class:

Patent Number Title Of Patent Date Issued
6738997 Mechanism for a divan bed May. 25, 2004
5303432 Convertible futon frame Apr. 19, 1994
5170519 Convertible furniture frames Dec. 15, 1992
5153951 Recliner frame convertible to sofa bed with locking connection between seat frame and back frame Oct. 13, 1992
5083333 Hinge for convertible sofa Jan. 28, 1992
4669135 Sofa bed with front extension Jun. 2, 1987
4660235 Convertible seat-bed with improved actuator for third panel Apr. 28, 1987
4645196 Folding weight bench Feb. 24, 1987
4365369 Three cushion convertible seat-bed Dec. 28, 1982
4356593 Safety latch cover for a hinge joint Nov. 2, 1982
4070715 Combination bed and desk Jan. 31, 1978

  Recently Added Patents
Synchronous rectifier network unit circuit and method
Methods and apparatus for low power out-of-band communications
Adjustable draw bar for trailer hitches
Pluggable power cell for an inverter
Biosensor kit
Method and apparatus for networked modems
Color imaging device
  Randomly Featured Patents
Suspension bushing apparatus
Pre-payment television system using a memory card associated with a decoder
Teat cup liner
Pop-up friction hinge having multiple levels of torque
Word game system
Ketal and use in perfumery
Method and system for efficiently notifying an information copy recipient in an electronic mail system
Electronic camera
Modular rankine cycle vapor turbine
Power supply unit for electronic devices