Physics: Gantry Slip Ring Technology Used in CT scan - YouTube
Hollow-shaft slip ring, Through-bore slip ring - All industrial manufacturers
Standard Slip Rings | Deublin Company
Through bore slip rings / hollow shaft | rotarX
Through bore slip rings / hollow shaft | rotarX
2 4 Way Collectors Slip Ring Assembly 20mm 25mm Shaft Dia Rotating Electrical Connectors With Carbon Brush Holder - Connectors - AliExpress
Slip ring with hollow shaft | Available in many sizes
Taidacent Through Bore Electrical Slip Ring Rotate Conductive Energization Collector Ring Brushes Hollow Shaft Slip Ring (6 Wire Inner Hole 5mm X OD 22mm): Amazon.com: Tools & Home Improvement
Slip Ring Hollow Shaft
ROTOCON® Slip Ring Installation Videos - Meridian Laboratory