1.-3. Conveyor belts
1.1 : Top
1.2 : Left
1.3 : Cross-sectional
1.4 : Front
1.5 : Enlarged front view of middle ribs
1.6 : Enlarged side view of a lower end of a side rib
1.7 : Enlarged front view of a rib
1.8 : Enlarged side view of an upper end
1.9 : Enlarged cross-sectional view of a rib
1.10 : Enlarged cross-sectional view of middle ribs
2.1 : Top
2.2 : Left
2.3 : Front
2.4 : Cross-sectional
2.5 : Enlarged front view of middle ribs
2.6 : Enlarged front view of a rib
2.7 : Enlarged side view of a lower end of a side rib
2.8 : Enlarged side view of an upper end of a side rib
2.9 : Enlarged cross-sectional view of a rib
2.10 : Enlarged cross-sectional view of middle ribs
3.1: Top
3.2: Left
3.3: Front
3.4: Cross-section
3.5: Enlarged front view of rib
3.6: Enlarged side view of a upper end of a side rib
3.7: Enlarged front view of middle ribs
3.8: Enlarged side view of a lower end of a side rib
3.9: Enlarged cross-sectional view of middle ribs
3.10: Enlarged cross-sectional view of a rib
