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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 5/269 - Helical connectors


Subclass of Class 5 - Beds
Definition: Devices helical springs used as the top connections and
No. of patents: 23
Last issue date: 07/29/2008


NumberTitleIssue Date
7404223Innerspring coils and innersprings with non-helical segments
Innerspring coils for innersprings for mattresses and other reflexive support structures, have generally helical coil bodies and at least one non-helical segment or step which extends between one or both axial ends of the coil body and one or both of the coil ends. ...
07/29/2008
7386897Bedding or seating product made with coil springs having unknotted end turns
Disclosed herein is a bedding or seating product having a spring core comprising coil springs having unknotted end turns made from high tensile strength wire. In each embodiment, the end turns of the coil springs are generally U-shaped having one leg longer than the...
06/17/2008
7178187Asymmetric spring components and innersprings for one-sided mattresses
Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattress...
02/20/2007
6571413Spring mattress
A spring mattress including a plurality of interconnected coil-spring elements, said coil-spring elements being interconnected by securing elements, preferably in the form of spirals, which, at least in one plane essentially in parallel with the plane of ...
06/03/2003
5713088Innerspring construction with springs having free terminal convolutions
An innerspring assembly, such as for use in a mattress, comprises a plurality of coil springs defining upper and lower terminal convolutions and body portions therebetween. Adjacent coil springs are attached together at the body portions thereof with the ...
02/03/1998
5669087Lacing wire zoned mattress
A mattress spring core having a plurality of zones of differing firmnesses due to different characteristics of helical lacing connectors within the particular zones. The spring core has a plurality of identical coil springs arranged in side-by-side transv...
09/23/1997
5649332Posturized continuous mattress spring core
A spring interior of a mattress comprising a plurality of longitudinally extending bands of springs disposed side by side and connected together with helical lacing wires in the top and bottom faces of the bands. Each band of springs comprises a single le...
07/22/1997
5584083Mattress spring core
A spring core for a mattress consisting of a plurality of side-by-side rows of identically configured helical coil springs each made of a single piece of wire having a central portion of a first radius defining a central spring axis and terminating at opp...
12/17/1996
5535460Spring assembly for seating and bedding
A runner wire useful with collapsible springs includes a plurality of generally parallel and generally aligned runner sections and at least one offset portion. The offset portion merges with and extends from an adjacent pair of runner sections and include...
07/16/1996
5474283Spring assembly for seating and bedding
A spring includes upper and lower runs of wire interconnected by an intermediate run of wire, all of the runs being integrally formed from spring wire. The opposite ends of the upper and lower runs respectively include hooks and coils while the intermedia...
12/12/1995
5431376Spring assembly for seating and bedding
A spring includes upper and lower runs of wire interconnected by an intermediate run of wire, all of the runs being integrally formed from spring wire. The opposite ends of the upper and lower runs respectively include hooks and coils while the intermedia...
07/11/1995
5184809Spring assembly for seating and bedding
A spring assembly has a plurality of rows of springs interconnected in chain-like fashion, each spring including upper and lower runs and an intermediate run interconnecting the upper and lower runs. The upper and lower runs each include a coil on one end...
02/09/1993
4942636Spring bedding product
A spring interior comprising a plurality of longitudinally extending bands of springs disposed side by side and connected together by helical lacing wires in the top and bottom faces of the bands. Each band of springs comprises a single length of wire for...
07/24/1990
4781360Spring assembly with helical coils of spring wire with unknotted ends
A spring assembly wherein there is a rectangular border wire and there are coils disposed in spaced, parallel rows within the border wire. The coils in the rows of coils lap and are connected by helices of wire. The helices of wire connect the adjacent ro...
11/01/1988
4771494Offset continuous row coil spring assembly
A spring assembly for mattresses, innersprings, and the like. The assembly comprises rows of coils, each row comprising a continuous length of wire formed into a plurality of coils interconnected by Z-shaped wire segments alternately disposed at the top a...
09/20/1988
4609186Mattress spring core with open ended coils
A spring core comprises a plurality of coil springs 10 each made of a single, continuous piece of wire having two open ended final windings 11 which are approximately U-shaped. The coil springs are held together by spiral shaped connecting elements 30 enc...
09/02/1986
4535978Coil spring and spring assembly
A spring assembly for an innerspring unit, particularly an innerspring mattress, is provided wherein at least a pair of springs are restricted about their adjacent offset portions of adjacent terminal convolutions in one surface of the assembly so that hi...
08/20/1985
4510635Box spring assemblies
A box spring assembly has an array of vertical springs attached to a horizontal foundation and supporting a deck or platform for receiving a bedding load, i.e. a mattress and its occupant(s). The assembly has a plurality of deck elements each formed from ...
04/16/1985
4488712Longitudinally laced continuous coil spring assembly
A spring assembly for mattresses, innersprings, and the like. The assembly comprises longitudinal rows of coils, each row comprising a continuous length of wire formed into a plurality of coils interconnected by Z-shaped wire segments alternately disposed...
12/18/1984
4295639Coil spring assembly and forming method
A coil spring assembly, and a method of forming that assembly, in which the assembly's edgemost coil springs are connected to a border wire by a single continuous spiral lacing wire. The method involves the steps of guiding a rotation spiral lacing wire c...
10/20/1981
4155130Means for restraining cross helical spin-out
The improved mattress innerspring unit is provided which includes a plurality of coil springs arranged in a plurality of substantially parallel rows, a plurality of cross helicals extending transversely of the rows of coil springs, lacing together adjacen...
05/22/1979
4109330Innerspring construction
An improved mattress innerspring unit is provided which includes a plurality of rows of coil springs and a plurality of cross helicals which extend transversely of the rows of coil springs, lacing together adjacent terminal convolutions of the coil spring...
08/29/1978
4095297Coil spring assembly
A coil spring assembly stable against torque twist deterioration, assembled of rows of coils of alternate right and left-hand, the coils having wound ends, the end turns of each coil having linear portions normal to the row and interconnected with linear ...
06/20/1978
 
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