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Class Information
Number: 5/166.1
Name: Beds > Bedsteads > Upending > Counterbalance weight
Description: Device comprising a mass of material arranged to counteract some portion of an upendable section"s weight and assist in the upending operation.

Sub-classes under this class:

Class Number Class Name Patents
5/166.2 Having cord and pulley 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8136181 System and method for retractable furniture unit Mar. 20, 2012
7017200 Convertible furniture Mar. 28, 2006
6405392 Portable bed Jun. 18, 2002
5652978 Counterbalanced moving pivot folding bed Aug. 5, 1997
5020173 Bedstead storage box Jun. 4, 1991
4564964 Retaining element for swinging weights Jan. 21, 1986
4103373 Portable folding bed cabinet Aug. 1, 1978
3999245 Counterbalance hinge for pivoting loads Dec. 28, 1976

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