Patent ID: 7850630

Claim:
Apparatus for supporting a person's head in a selected position, comprising: a shaft; a coupler attached to one end of the shaft for coupling a replaceable chinrest to the one end of the shaft in a releasable restraining engagement; and a base attached to the other end of the shaft for enabling the shaft to be supported on the person's chest, wherein the shaft enables a person's head to be supported in a selected position in relation to the person's chest; and wherein the coupler includes either: at least one protuberance that is shaped for fitting within a cavity of a said replaceable chinrest so that the replaceable chinrest can be releaseably restrained by the coupler; or at least one cavity that is shaped for fitting about a protuberance of a said replaceable chinrest so that the replaceable chinrest can be releaseably restrained by the coupler; wherein the at least one protuberance includes a plurality of arms.