Class 5/199 - Marginal spring connections and limiting springs

Subclass of Class 5 - Beds
Definition: Devices having horizontally arranged springs on the edge
No. of patents: 4
Last issue date: 05/15/2007

Number	Title	Issue Date
7216687	Cord tensioner A cord tensioner for the guide cords of a cord-guided window blind with movable rails holding a blind material. The cord tensioner, located at one of the rails, is a helically wound, extension spring with an integral extension limiter, extending axially through the ...	05/15/2007
5678261	Cushion device The present invention relates to a cushion device utilized for a bed, sofa, chair, or seat for a vehicle. The cushion device comprises an outer supporting member (20) having a shock absorbing space (10) and a cushion plate (30) to be elastically installed...	10/21/1997
4452444	Rebound exerciser A rebound exerciser for use by an individual in performing a variety of exercises having a frame formed of two symmetrical sections, and a fexible, resilient mat secured to the frame by a plurality of coil springs. The two symmetrical sections are pivotal...	06/05/1984
3983585	Concealed spring anchoring means for trampolines and method of producing same Cushioning pads are placed along the sides of a trampoline and have sufficient width to cover the ordinarily exposed springs. The sides of the trampoline frame are reinforced by an extra tube which assists in supporting the pads out of frictional contact ...	10/05/1976

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