A transfer device for a patient care apparatus includes: a first docking cup and a second docking cup, each of the first docking cup and the second docking cup aligned with a vertical axis, defining a conical surface aligned with the vertical axis, and sized to receive a receiver； a security mechanism enclosed within the transfer device； a support shaft disposed between the first docking cup and the second docking cup； and a shaft brake mechanism engageable with the support shaft, at least a portion of the shaft brake mechanism disposed below the support shaft and disposed between the first docking cup and the second docking cup.
