The ornamental design for a multi-swing chair apparatus, as shown and described.
FIG. 1 is a perspective view of a multi-swing chair apparatus.
FIG. 2 is an enlarged partial front orthographic view of a circular top frame member of the multi-swing chair apparatus, showing a suspension assembly for suspending a swingable chair of the multi-swing chair apparatus.
FIG. 3 is an enlarged partial side perspective view of the circular top frame member of the multi-swing chair apparatus, showing the suspension assembly extending from a tubular slot of the circular top frame member; and,
FIG. 4 is a perspective view of a swingable chair of the multi-swing chair apparatus suspended through the suspension assembly, showing a person seated in the swingable chair. FIG. 4 is shown separately for ease of illustration.
The broken line showing of a person in FIG. 4 is included for the purpose of illustrating environment and forms no part of the claimed design.