A seat assembly for task-oriented seating comprises a seat support and a seat coupled to the seat support. The seat is movable under load, such as from the user's weight and movements, relative to the seat support. The seat has a cushion molded over a supporting armature with multiple bias elements.
A seat assembly for task-oriented seating comprises a seat support and a seat coupled to the seat support. The seat is movable under load, such as from the user's weight and movements, relative to the seat support. The seat has a cushion molded over a supporting armature with multiple bias elements. The seat and seat support are configured to deflect by predetermined amounts at defined locations over an extent of the seat assembly. In this way, the seat assembly provides for a range of comfortable and effective positions for users engaged in different active motions and having different preferences and sizes.
대표청구항▼
1. A seat assembly for task-oriented seated, comprising: a seat support; anda seat coupled to the seat support and movable under load relative to the seat support, the seat having a pommel area defined at a forward side of the seat and along a medial axis of the seat, two thigh areas arranged on opp
1. A seat assembly for task-oriented seated, comprising: a seat support; anda seat coupled to the seat support and movable under load relative to the seat support, the seat having a pommel area defined at a forward side of the seat and along a medial axis of the seat, two thigh areas arranged on opposite sides of the medial axis and a cushion molded over a supporting armature with multiple bias elements,wherein the armature has a center rib positioned along a medial axis of the seat and a series of radially spaced shorter ribs on both sides of the center rib, andwherein the seat and the seat support are each configured to undergo predetermined deflections at defined locations across an extent of the seat assembly while the seat is occupied, and wherein the thigh areas are configured to deflect under less pressure than the pommel area. 2. The seat assembly of claim 1, wherein each of the thigh areas extends from the pommel area, and wherein the thigh areas are configured to deflect more than all other areas of the seat. 3. The seat assembly of claim 1, wherein the seat comprises a rear area configured to support a user's posterior, and wherein at least some of the multiple bias elements are positioned in the rear area and are individually deflectable to support the user's ischial tuberosities. 4. The seat assembly of claim 1, wherein the seat is coupled to the seat support by multiple mounts tending to at least one of absorb and isolate forces received from the seat. 5. The seat assembly of claim 4, wherein the multiple mounts comprise resilient bushing members. 6. The seat assembly of claim 5, wherein the multiple mounts comprise threaded connections to the seat and to the seat support. 7. The seat assembly of claim 1, wherein the seat is coupled to the seat support by at least one slide on the armature positioned to slidingly engage an inclined ramp on the seat support. 8. The seat assembly of claim 7, wherein the slide is positioned to move in use in at least one of a lateral direction and a vertical direction while contacting the ramp. 9. The seat assembly of claim 7, wherein the slide can rotate relative to the ramp during use along at least one of two horizontal axes that extend perpendicular to each other. 10. The seat assembly of claim 7, wherein the slide and the ramp are positioned to control deflection of the seat in an area of the user's outer thigh. 11. The stool of claim 1, wherein the seat is coupled to the seat support by at least one slide on the armature of the seat and at least one ramp on the seat support, wherein the slide is shaped for point contact, and wherein the ramp has a supporting surface extending in at least two dimensions and defining an open area along which the slide is freely movable relative to the supporting surface in response to loading of the seat and seat support. 12. A seat assembly for task-oriented seated, comprising: a seat support;a seat coupled to the seat support and movable under load relative to the seat support, the seat having a pommel area defined at a forward side of the seat and along a medial axis of the seat, two thigh areas arranged on opposite sides of the medial axis and a cushion molded over a supporting armature with multiple bias elements; andan adjustment assembly for mounting to a lower surface of the seat support, wherein the adjustment assembly connects the seat to a leg assembly and to a seat back assembly,wherein the seat and the seat support are each configured to undergo predetermined deflections at defined locations across an extent of the seat assembly while the seat is occupied, and wherein the thigh areas are configured to deflect under less pressure than the pommel area. 13. A stool for active task seating, comprising: a leg assembly with multiple feet;a seat assembly supported by the leg assembly; anda height adjustable seat back coupled to the seat assembly,wherein the seat assembly comprises a seat and a seat support, the seat comprising a pommel area defined at a forward side of the seat and along a medial axis of the seat, two thigh areas arranged on opposite sides of the medial axis adjoining the pommel area and a rear area extending across the seat and from a rear side toward the forward side, wherein the pommel area has a local peak at a higher height than the thigh areas and the rear area, andwherein the seat and the seat support are configured to deflect under load from a user by predetermined amounts at different locations over a surface of the seat, the seat being coupled to the seat support in at least an outer region of each thigh area by a slidable coupling that permits translation of the seat relative to the seat support in at least a direction transverse to the medial axis. 14. The stool of claim 13, wherein the rear area comprises multiple bias elements that are individually deflectable to support the user's ischial tuberosities. 15. The stool of claim 14, wherein the pommel area is configured to deflect less than the thigh areas and less than the rear area. 16. The stool of claim 14, wherein the seat is dynamically coupled to the seat support, and wherein the pommel area, two thigh areas and rear area are connected to each other. 17. The stool of claim 14, wherein the seat is coupled to the seat support by separate force absorbing mounts. 18. The stool of claim 13, wherein the seat comprises a cushion and an armature to which the cushion is over-molded. 19. The stool of claim 13, wherein the seat is positionable in use such that a forward side of the seat is angled downwardly. 20. The stool of claim 13, wherein the slidable coupling comprises a ramp surface shaped to slope downwardly in the transverse direction as the distance from the medial axis increases.
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