Patent ID: 11944208
Assignee: KNOLL, INC.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 7:
8. A chair comprising:
a seat;
a chair back spaced apart from the seat to define a gap between a bottom portion of the chair back and a rear portion of the seat;
a base that supports the chair back and the seat, the base having a frame, the seat attached to the frame, the chair back attached to the frame via at least one chair back attachment mechanism, the at least one chair back attachment mechanism including:
an intermediate chair back attachment body having intermediate chair back attachment body fastener holes defined therein that are each sized and configured for receiving a chair back attachment body fastener so that the chair back attachment body fastener is passable through the intermediate chair back attachment body so a head end of the chair back attachment body fastener is in contact with or engagement with a front portion of the intermediate chair back attachment body and a shaft end of the chair back attachment body fastener is positionable within a hole defined in a chair back attachment receptacle of the frame, the front portion of the intermediate chair back attachment body facing toward the chair back and a rear portion of the intermediate chair back attachment body being opposite the front portion;
the intermediate chair back attachment body also having a chair back fastener hole that is between the spaced apart chair back attachment body fastener holes to receive a shaft portion of a chair back fastener that is passed through an upper portion of the chair back, a head of the chair back fastener being positioned at a front of the chair back, a rear of the chair back being opposite the front of the chair back, the rear of the chair back facing toward the front portion of the intermediate chair back attachment body;
wherein the frame of the base comprises:
a plurality of legs that include a front right leg, a front left leg, a rear left leg and a rear right leg;
a plurality of seat support members connected to the legs, the seat support members positioned to support the seat and define an opening between the seat support members;
at least one back support member positioned for connection to at least one of the legs to support the chair back and facilitate attachment to the intermediate chair back attachment body for the at least one chair back attachment mechanism;

wherein the at least one back support member comprises a left side back support member that extends above the left rear leg, a right side back support member that extends above the right rear leg, and a curved upper support member between an upper end of the right side back support member and an upper end of the left side back support member, the rear portion of the intermediate chair back attachment body facing toward the curved curbed upper support member;
wherein the at least one chair back attachment mechanism comprises a first chair back attachment mechanism spaced apart from a second chair back attachment mechanism;
wherein the first chair back attachment mechanism includes an annular conical washer positioned between the head of the chair back fastener of the first chair back attachment mechanism and the chair back within a first hole of the chair back so that the head of the chair back fastener is recessed relative to an outer surface of the front of the chair back; and
wherein the second chair back attachment mechanism includes an annular conical washer positioned between the head of the chair back fastener of the second chair back attachment mechanism and the chair back within a second hole of the chair back so that the head of the chair back fastener is recessed relative to the outer surface of the front of the chair back;
the first hole of the chair back being spaced apart from the second hole of the chair back.