Slide-Glide
Attributes
- Smooth, rapid operation
- Limited protrusion outside of vehicle
- Door panels may be flat or moderately contoured
- Clear passenger path
|
outside
inside |
Common applications
- Transit Bus entrance and exit doors
|
Parallelogram Plug
Attributes
- Panels can be flat or contoured to match vehicle curvature
- More complex mechanism and adjustments
- Requires clear path to front and rear of door opening
- Overlaps door opening when open
|
outside
inside
|
Common applications
- Transit Bus entrance and exit doors
- Intercity and tour coach doors
(frequently single panel)
|
Swing
Attributes
- Simple geometry
- May be spring-closed
- Wide doors may protrude outside vehicle
- Simple operation in emergency situations
|
outside 
inside |
Common applications
- Transit Bus exit doors
- Light and medium-duty vehicles
- School buses
|
Bi-Fold
Attributes
- Simple geometry
- Readily maintained
- Out-fold preferred for safety reasons
- Shallow intrusion into vehicle
- Panels must be flat
|
outside
inside |
Common applications
- Transit Bus entrance and exit doors
- Light and medium-duty vehicles
- School Buses
|
