초록 ▼

A stackable chair having a back member may flex to allow for improved user comfort. An inline spring-to-frame configuration with a pair of spring members reinforced by steel plates on the top and bottom of each end of each spring is attached to the underside of the left and right members of the seat

A stackable chair having a back member may flex to allow for improved user comfort. An inline spring-to-frame configuration with a pair of spring members reinforced by steel plates on the top and bottom of each end of each spring is attached to the underside of the left and right members of the seat support frame. The spring-to-frame configuration may allow the back support frame to flex relative to the seat support frame.

대표청구항 ▼

1. A stackable chair, comprising: a seat frame comprising at least one tubular seat frame member, said seat frame configured to receive and support a seat portion;a back frame comprising at least one tubular back frame member, said back frame configured to receive and support a back portion;along ea

1. A stackable chair, comprising: a seat frame comprising at least one tubular seat frame member, said seat frame configured to receive and support a seat portion;a back frame comprising at least one tubular back frame member, said back frame configured to receive and support a back portion;along each side of the chair, a gap separating adjacent ends of the at least one tubular seat frame member and the at least one tubular back frame member;at least two leg members, each of said leg members attached to said seat frame; andalong each side of the chair, at least one flexible member positioned below the gap and extending across said gap, said at least one flexible member coupled to the seat frame and the back frame;wherein the at least one flexible member is configured to selectively move between a flexed position and a non-flexed position, wherein the at least one flexible member is normally in the non-flexed position when no forces are directed on the back portion, said at least one flexible member being configured to move to a flexed position when an occupant exerts a rearwardly-directed force on the back portion to at least partially recline the back portion relative to the seat portion;at least one first plate member positioned between the at least one flexible member and the at least one tubular seat frame member, andat least one second plate member positioned between the at least one flexible member and the at least one tubular back frame member;wherein the at least one first plate member maintains a clearance between the flexible member and the at least one tubular seat frame member;wherein the at least one second plate member maintains a clearance between the flexible member and the at least one tubular back frame member; andwherein a space separates adjacent ends of the at least one first plate member and the at least one second plate member, said space having a length that is greater than a length of the gap. 2. The stackable chair of claim 1, further comprising: at least one first fastener extending through the flexible member, the at least one first plate member and the at least one seat frame member; andat least one second fastener extending through the flexible member, the at least one second plate member and the at least one back frame member. 3. The stackable chair of claim 1, wherein at least one of the at least one first plate member and the at least one second plate member comprises a steel plate. 4. The stackable chair of claim 1, further comprising at least one third plate member positioned below the at least one flexible member and the at least one tubular seat frame member. 5. The stackable chair of claim 4, wherein the at least one first plate member and the at least one third plate member are separate items. 6. The stackable chair of claim 1, further comprising at least one fourth plate member positioned below the at least one flexible member and the at least one tubular back frame member. 7. The stackable chair of claim 1, further comprising at least one stop member configured to limit an amount by which the at least one flexible member can flex. 8. A stackable chair, comprising: a seat frame comprising at least one seat frame member, said seat frame configured to receive and support a seat portion;a back frame comprising at least one back frame member, said back frame configured to receive and support a back portion;along each side of the chair, a gap separating adjacent ends of the at least one seat frame member and the at least one back frame member;at least two leg members, each of said leg members attached to said seat frame; andalong each side of the chair, at least one flexible member positioned below the gap and extending across said gap, said at least one flexible member coupled to the seat frame and the back frame;wherein the at least one flexible member is configured to selectively move between a flexed position and a non-flexed position, said at least one flexible member being configured to move from the non-flexed position to a flexed position when an occupant exerts a rearwardly-directed force on the back portion to at least partially recline the back portion relative to the seat portion;at least one first spacer positioned between the at least one flexible member and the at least one seat frame member, andat least one second spacer positioned between the at least one flexible member and the at least one back frame member;wherein the at least one first spacer maintains a clearance between the flexible member and the at least one seat frame member;wherein the at least one second spacer maintains a clearance between the flexible member and the at least one back frame member; andwherein the at least one first spacer is separated from the at least one second spacer by a separation space, wherein said separation space is wider than the gap separating adjacent ends of the at least one seat frame member and the at least one back frame member. 9. The stackable chair of claim 8, wherein each of the at least one first spacer and the at least one second spacer comprises a plate. 10. The stackable chair of claim 8, further comprising: at least one first fastener extending through the flexible member, the at least one first spacer and the at least one seat frame member; andat least one second fastener extending through the flexible member, the at least one second spacer and the at least one back frame member. 11. The stackable chair of claim 8, further comprising: at least one third spacer positioned below the at least one flexible member and the at least one seat frame member; andat least one fourth spacer positioned below the at least one flexible member and the at least one back frame member. 12. The stackable chair of claim 11, wherein the at least one first spacer and the at least one third spacer are separate items; and wherein the at least one second spacer and the at least one fourth spacer are separate items. 13. The stackable chair of claim 11, wherein a space separates adjacent ends of the at least one third spacer and the at least one fourth spacer, said space being wider than the gap. 14. The stackable chair of claim 8, further comprising at least one stop member configured to limit an amount by which the back frame can recline relative to the seat frame. 15. A stackable chair, comprising: a seat frame comprising at least one seat frame member, said seat frame configured to receive and support a seat portion;a back frame comprising at least one back frame member, said back frame configured to receive and support a back portion;along each side of the chair, a gap separating adjacent ends of the at least one seat frame member and the at least one back frame member;at least two leg members, each of said leg members attached to said seat frame; andalong each side of the chair, at least one flexible member positioned below the gap and extending across said gap, said at least one flexible member coupled to the seat frame and the back frame;wherein the at least one flexible member is configured to selectively move between a flexed position and a non-flexed position, said at least one flexible member being configured to move from the non-flexed position to a flexed position when an occupant exerts a rearwardly-directed force on the back portion to at least partially recline the back portion relative to the seat portion;at least one first spacer positioned between the at least one flexible member and the at least one seat frame member,at least one second spacer positioned between the at least one flexible member and the at least one back frame member;wherein the at least one first spacer maintains a clearance between the flexible member and the at least one seat frame member;wherein the at least one second spacer maintains a clearance between the flexible member and the at least one back frame member; andwherein the at least one first spacer and the at least one second spacer are positioned so as to create a generally open area, along an entire length of the gap, between a top of the flexible member and said gap;at least one first fastener extending at least partially through the flexible member, the at least one first spacer and the at least one seat frame member; andat least one second fastener extending at least partially through the flexible member, the at least one second spacer and the at least one back frame member. 16. The stackable chair of claim 15, wherein the at least one first spacer comprises at least one first plate, and the at least one second spacer comprises at least one second plate. 17. The stackable chair of claim 15, wherein the at least one first fastener extends generally entirely through the flexible member, the at least one first spacer and the at least one seat frame member, and wherein the at least one second fastener extends generally entirely through the flexible member, the at least one second spacer and the at least one back frame member. 18. The stackable chair of claim 15, further comprising: at least one third spacer positioned below the at least one flexible member and the at least one seat frame member; andat least one fourth spacer positioned below the at least one flexible member and the at least one back frame member. 19. The stackable chair of claim 18, wherein the at least one third spacer and the at least one fourth spacer are separate items; and wherein the at least one third spacer and the at least one fourth spacer are generally planar. 20. The stackable chair of claim 15, wherein the at least one first fastener and the at least one second fastener comprise bolts.