Patent ID: 11857825
Assignee: PMG CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A weight training auxiliary device comprising:
a plurality of weights for generating a load; and
an emergency weight releasing mechanism configured to release a portion of the plurality of weights in an emergency based on an instruction from a trainee or a signal representing a trainee state when the trainee is in a danger state due to an excessive load, wherein
the emergency weight releasing mechanism includes at least:
an attachment part that is attached to a shaft of a training machine or training equipment,
a holding part that holds the portion of the plurality of weights in a normal state, and releases the portion the plurality of weights in the emergency,
a control part configured to receive the instruction from the trainee or the signal representing the trainee state, and to control an operation of the holding part,

the attachment part defines a hole through which the shaft of the training machine or the training equipment penetrates,
the hole has an inner diameter that approximately fits the shaft of the training machine or the training equipment, and
the attachment part is rotatable so that the portion of the plurality of weights released in the emergency is always positioned below the shaft of the training machine or the training equipment.