Disclosed is a transfer system for a patient care apparatus, the transfer system including: a transfer device including a first docking cup and a second docking cup, each of the first docking cup and the second docking cup sized to accept a receiver； and a security mechanism enclosed within the transfer device and including a first security lever and a second security lever, the first security lever positioned to disengage a first receiver in the first docking cup when a second receiver is received within the second docking cup, and the second security lever positioned to disengage the second receiver in the second docking cup when the first receiver is received within the first docking cup.
