Abstract: A spring module for disposition between a supporting frame and a grid frame to yieldably support the latter relative to the supporting frame, comprising spaced, parallel top and bottom attaching elements and spaced supports disposed between and attached to the top and bottom attaching elements embodying vertically-disposed and inclined lengths of wire disposed symmetrically about the vertical axis of the module.

Abstract: A bent wire spring module embodying a clamp element at the upper end interengageable with the cross wire of a grid frame without requiring the formation of deviations in the cross wire to which it is attached.

Abstract: A grid frame for a spring assembly comprising a border wire transversely and longitudinally-crossing line wires, and spring wires disposed between adjacent line wires either transversely of the frame or longitudinally thereof.

Abstract: A bent wire spring module provided with spirally-formed attaching elements at its upper end for interengagement with the border wires of a grid frame.

Abstract: 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 rows of coils, and the coils adjacent the border wire are connected thereto by a helix of wire.

Abstract: A spring module for disposition between a base frame and a grid frame of a spring assembly embodying upper and lower attaching elements for attachment to, respectively, the grid frame and the base frame and spaced, parallel, vertically-disposed, yieldable legs, each leg embodying a vertically-disposed loop of wire and upwardly and downwardly, oppositely-inclined, V-shaped lengths of wire extending from the loop to, respectively, the upper and lower attaching elements.

Abstract: A spring module for use in a spring assembly embodying a base frame and a grid frame comprising upper and lower attaching elements for connecting the module to the base frame and grid frame and a plurality of lower and upper symmetrically-disposed, yieldable legs connecting the lower and upper attaching elements.

Abstract: A bent wire spring module wherein there are upper and lower attaching elements for attachment, respectively, to a grid frame and base frame and vertically-disposed, spaced, parallel legs connecting the upper and lower attaching elements, each leg comprising an arcuate length of wire embodying diverging legs and upper and lower straight lengths of wire integrally connected at one end to the ends of the legs of the arcuate length of wire and at their opposite ends to the upper and lower attaching elements.

Abstract: A bent wire soring unit for disposition between a base frame and grid frame disposed in spaced, parallel relation to each other includes a lower attaching element for attachment to the base frame and an upper attaching element for attachment to the grid frame. The lower and upper attaching elements are disposed in spaced, parallel planes and transversely-spaced, substantially perpendicular supports connect the lower and upper attaching elements such as to permit the upper and lower attaching elements to move relative to each other in response to pressure applied perpendicularly to the upper attaching elements.

Abstract: A bent wire spring unit for interposition between a grid frame and base frame comprising upper and lower attaching elements and intervening spaced, parallel, oppositely-facing supports comprising vertical lengths of wire and at the upper and lower ends of the vertical lengths of wire, V-shaped lengths of wire, the legs of which are connected, respectively, to the vertical lengths of wire and to the attaching elements.

Abstract: A spring module for use in a spring assembly embodying a base frame and a grid frame comprising lower and upper attaching elements for connecting the module to the base frame and grid frame and a plurality of lower and upper symmetrically-disposed, legs yieldable in bending connecting the lower and upper attaching elements.

Abstract: A bent wire spring unit for interposition between a grid frame and base frame comprising upper and lower attaching elements and intervening spaced, parallel, oppositely-facing supports yieldably connecting the top and bottom attaching elements, said supports comprising first legs inclined upwardly in opposite directions from the bottom attaching elements at a predetermined angle, second legs inclined downwardly in opposite directions from the top attaching element at a sharper angle than the angle of inclination of the first legs relative to the bottom attaching element and spaced, parallel third legs connected at their upper and lower ends to the distal ends of the downwardly and upwardly-facing first and second legs, said third legs being concavely bent intermediate their ends in directions toward each other.

Abstract: Bent wire spring units for use in combination with a rectangular base frame embodying longitudinally-spaced, parallel, transverse support bars and a grid frame embodying a rectangular border wire and longitudinally and transversely-extending grid wires connected at their ends to the border wire and to each other at their crossings, each bent wire spring unit comprising upper and lower attaching elements connected to each other by integral lengths of wire resistant to bending and torsion. The bent wire spring units are transversely symmetrical from side to side and asymmetrical from front to back and are positioned transversely and longitudinally of the base frame and grid frame with their front sides on adjacent support bars facing and with their lower and upper ends attached, respectively, to the support bars of the base frame and the transverse wires of the grid frame. If there are an odd number of support bars, the spring units are alternately positioned in oppositely-facing directions.

Abstract: A spring assembly wherein there are a plurality of spring members disposed in transversely and longitudinally-spaced relation between a rectangular base frame and a rectangular grid frame and secured thereto and wherein certain of the springs are positioned at the corners and so configured that pressure brought to bear on the grid frame bends the spring units outwardly relative to the corners to impart tension to the border wire.

Abstract: Anchoring means for securing the lower end of a coil to a frame embodying spaced, parallel supports structured to be slidably engaged with upwardly and downwardly-facing shoulders on the supports for longitudinal adjustment of the lower ends of the springs on the supports.

Abstract: A spring assembly comprising a base frame and a grid frame held in spaced, parallel relation by transversely and longitudinally-spaced spring units, some of which are bent wire spring units and others of which are coil spring units, each bent wire spring unit being yieldable in bending and torsion to pressure applied to their upper ends, and symmetrical with respect to its vertical axes.

Abstract: An innerspring assembly for furniture seats and backs comprising spaced, parallel, substantially rectangular top and bottom grids and tapered helical coils interposed between the grids and secured thereto, the top grid comprising pairs of spaced, parallel anchoring wires which define longitudinally and transversely-spaced seats for receiving the top loops of the coils and the bottom grid comprising anchoring crossing wires which intersect and define seats vertically below the centers of the seats of the top grid for receiving the bottom loops and wherein diametrically-opposed portions of the top and bottom loops overlie the wires of the seats and diametrically-opposed portions of the top and bottom loops at right angles thereto underlie the wires of the seats.

Abstract: A spring assembly comprising a base frame, a grid frame, coils connected at their lower ends and upper ends to the respective frames wherein the grid frame is provided with crossing longitudinal and transverse wires so positioned as to enable spacing the coils transversely of the grid frame at a uniform spacing and wherein the longitudinal wires of the grid frame are provided with deviations for receiving diametral portions of the coils and retaining the latter from movement relative to the grid frame.

Abstract: A spring assembly of the kind comprising a rigid base frame, a wire grid frame, a plurality of helically-coiled springs attached at one end to the base frame and at their other ends to the wire of the grid frame, said wires and ends of the coils being so structured as to enable detachably attaching the ends of the coils to the wires of the grid frame in overlapping locking engagement with the wires of the grid frame without the aid of wire clips or the like.