Bedsteads > Having bottom > Fabricated elastic flats > Tighteners > Screw > Patents

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Class Information
Number: 5/220
Name: Beds > Bedsteads > Having bottom > Fabricated elastic flats > Tighteners > Screw
Description: Devices comprising screw devices on the fabric frames to increase the tension on the fabric.

Sub-classes under this class:

Class Number	Class Name	Patents
5/221	Attachable	0
5/222	Extensible rods or trusses	0
5/223	Individual element	1
5/225.1	Sliding end rail	0
5/224	Sliding riser	0

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6584627	Webbed frame for furniture	Jul. 1, 2003
4730356	Bed having adjustable tension control	Mar. 15, 1988