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Class Information
Number: 5/211
Name: Beds > Bedsteads > Having bottom > Fabricated elastic flats > Tighteners
Description: Devices permanently connected to a bed-bottom frame or bedstead for progressive tightening adjustment of an elastic fabric bottom.

Sub-classes under this class:

Class Number Class Name Patents
5/212 Cord take-up 1
5/215 Depression self-tightener 2
5/213 Lever and screw 1
5/214 Lever 0
5/216 Roller 4
5/220 Screw 2

Patents under this class:

Patent Number Title Of Patent Date Issued
6793289 Seat back or seat base of an automobile seat Sep. 21, 2004
6584627 Webbed frame for furniture Jul. 1, 2003
4899403 Apparatus for controlling expansion or contraction of cover cloth with respect to bed base Feb. 13, 1990
4459713 Double width chaise lounge Jul. 17, 1984
3968528 Bedstead having a woven support Jul. 13, 1976

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