x_C

Pour les pièces en rouge :
- traits pleins, les formes approximative des pièces
- traits pointillés, correspondent aux cotes. Permettent de positionner le point J

Mécanisme articulé d'un freins à deux sabots

A = Intersect(xAxis, yAxis)
e = Circle(A, 152)
B = Intersect(e, xAxis, 1)
a = Segment(A, B)
c = Circle(B, 42)
C = Point(c)
e_1 = Circle(B, 60)
D_1 = Point(Circle[C, 100])
dc = Circle(C, x(C) - a / 2)
d = Ray(D_1, C)
D = Intersect(dc, d, 2)
g = Circle(D, 60)
b = Segment(C, D_1)
Piece1 = Segment(D, D_1)
h = Circle(B, 60)
F = Intersect(e_1, g, 1)
Piece4 = Segment(D, F)
Piece6 = Segment(B, F)
k = Circle(B, 50)
F' = Rotate(F, 90*°, B)
α = Angle(F, B, F')
l = Segment(B, F')
ag = Circle(A, 60)
G = Intersect(g, ag, 1)
Piece5 = Segment(D, G)
Piece7 = Segment(A, G)
ah = Circle(A, 50)
G' = Rotate(G, 270*°, A)
β = Angle(G', A, G)
r = Ray(A, G')
H = Intersect(ah, r)
Piece7_2 = Segment(A, H)
I = Intersect(k, l)
Piece6_2 = Segment(B, I)
d_1 = Circle(H, 200)
c_1 = Circle(I, 200)
J = Intersect(d_1, c_1, 2)
Piece3 = Segment(H, J)
Piece2 = Segment(I, J)
E: (a / 2, -134)
Piece8 = Circle(E, 70)
A3: x(C)
f = Circle(H, 130)
p = Circle(J, 90)
K = Intersect(f, p, 2)
i = Segment(H, K)
j = Segment(K, J)
q = Circle(I, 130)
s = Circle(J, 90)
L = Intersect(q, s, 1)
m = Segment(I, L)
n = Segment(L, J)