Equation F.1. Hooks A₁, A₂, A₃, Б, E₁

Curve 1. Hook А₁ inclined (1-st)
Curve 2. Hook А₂ horizontal
Curve 3. Hook А₃ vertical
Curve 4. Hook Б vertical
Curve 5. Hook Е₁ horizontal

Equation F.2. Combination of 2 hooks C, D

2 hooks C, D horizontal, to left and to right.

Equation F.3. Combination of 3 hooks А₃, Б, e, е₁, е₂, е₃, е₄

Curve 7. 3 hooks А₃Бе₃
Curve 8. 4 hooks А₃Бее
Curve 9. 4 hooks (from 6) А₃Бе₁е₂е₃е₄

Equation F.4. Combination 6 hooks А₃Бе₁е₂е₃е₄

Equation F.5. Combination of 8 hooks А₃БВГе₄е₃е₂е₁

Equation F.6. Latches K, L, M

Curve 1. Latch K, horzontal
Curve 2. Latch L, vertical, self-locking
Curve 3. Latch M vertical, self-locking

Equation F.7. Combination of 4 latches K, L, M, N

Equation F.8. Sliding bolts P, O, Q, R, F, H, I, G

Curve 16. Sliding bolt P, horizontal. Curve 17. Sliding bolt O, horizontal, tight fitting. Curve 18. Sliding bolt Q, vertical, self locking. Curve 19. Sliding bolt R, horizontal.

Curve 20. Sliding bolt F, with stud bolt. Curve 21. Sliding bolt H, with stud bolt, sping-acting. Curve 22. Sliding bolt I, with stud bolt. Curve 23. Sliding bolt G, with stud bolt, tight fitting.

Equation F.9. Sliding bolt Y

Sliding bolt Y with concealed stud bolt.

Equation F.10. Combination of 3 sliding bolts ROI — (enclosed only R)