Patent ID: 11898584
Assignee: HNI TECHNOLOGIES INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  A  Y | IPC A  F

Claim 0:
1. A chair, comprising:
a seat assembly including a support and a seat surface, the support having a first aperture passing therethrough and a second aperture;
an interface coupled to the seat assembly, the interface comprising:
an interface body having a first longitudinal end, a second longitudinal end, and a contact surface disposed between the first longitudinal end and the second longitudinal end;
a fastening element passing through the first aperture and coupled to the interface body;
a pin extending from the interface body and through the second aperture; and
a spring disposed about at least a portion of the pin between a head of the pin and the support, wherein the spring provides a spring force against the pin and the support that is operable to draw the interface body in a direction towards the spring and the support;
a seat back assembly removably coupled to the seat assembly via the interface, the seat back assembly comprising:
a back support; and
a receiver coupled to the back support, forming a receiver slot, and shaped to receive the interface body in the receiver slot, wherein the receiver comprises a receiver body including a first end, a second end, an upper end, and a lower end, the receiver defining a channel extending from the first end toward a second end, the channel being open at the first end and at least partially open at the lower end extending from the first end toward the second end to define a pin slot, wherein the pin slot is defined between a first interior side wall and a second interior side wall, and the channel receiving the interface body therein with the fastening element and pin extending through the pin slot, and wherein the receiver body includes a receiving surface within the channel for receiving the contact surface of the interface body.