Patent ID: 8733354

Claim:
An oxygen supply device to be provided in a facility for fitness activities for supplying oxygen to a user of the facility, the oxygen supply device comprising: an oxygen tank; a pipe connected to the oxygen tank; an oxygen mask; and a joint for detachably connecting the oxygen mask to the pipe, wherein the joint includes a socket provided for the pipe and a plug provided for the oxygen mask, the oxygen mask includes a head attachment portion to be attached to a head of the user, a pipe body supported by the head attachment portion and having a front end portion extending toward a front side of the head of the user, and a tube connecting a base end portion of the pipe body to the plug, the joint is opened to supply oxygen to the oxygen mask when the plug is fitted to the socket, the joint is closed to stop supplying oxygen to the oxygen mask when the plug is detached from the socket, the pipe includes a plurality of terminal end portions hanging from a ceiling in accordance with an arrangement position of a training machine, and the socket is provided at each of the terminal end portions, and the oxygen supply device further includes a plurality of shape holding members disposed along with the terminal end portions so that each of the terminal end portions is maintained in a loop shape.