Ventana de hojas

La inclinación de las láminas de la ventana hacen que la ventana abra o cierre.

Usa la aplicación y responde:

Describe la utilidad del  paralelogramo articulado en este mecanismo.

Animación

SI

NO

SI

NO

Rastro

SI

NO

SI

NO

Mueve E

b = 0.9999999999999999 (slider from 0.8 to 1.2, step 0.01)
a = 1.5999999999999996 (slider from b + 0.2 to b + 0.8, step 0.1)
c_1 = 2.0625 (slider from 0 to 5, step 1.0E-4)
k = 0 (slider from 0 to 1, step 1)
v = 0 (slider from 0 to 1, step 0.1)
d1: (10 * v)
texto1e: "Velocidad animación: " + d1 + ""
k1 = 0 (slider from 0 to 1, step 1)
t = 0.489 (slider from 0 to 1, step 0.001)
nada = 4.4 (slider from -5 to 5, step 0.1)
α = 0.7749261878854823 rad (slider from 0.1° to 89.9°, step 0.1°)
e = 4 (slider from 0 to 5, step 0.1)
g = 4 (slider from 0 to 5, step 0.1)
h = 0.5 (slider from 0 to 5, step 0.1)
n = 0.2 (slider from 0 to 1, step 0.05)
c = 3.7 (slider from 0 to 5, step 0.1)
d = 1 (slider from 1 to 5, step 0.1)
texto3: "CD = " + c + ""
texto1b: "BC = " + b + ""
texto1a: "AB = " + a + ""
texto4: "DA = " + d + ""
A = (-0.9594418988516931, -0.4741446810385756)
A1: A + (1, 0)
f = Line(A, A1)
p = Circle(A, b)
q = Circle(A, a)
B: A + (0, a)
C1 = Intersect(p, f, 2)
j = Segment(A, B)
c_1 = Circle(A, (2 * a))
E3 = Intersect(c_1, f, 2)
E = Rotate(E3, α, A)
f_1 = Ray(A, E)
F = Intersect(p, q)
G = Intersect(p, q, 1)
C = Intersect(p, f_1, 1)
i = Line(B, f_1)
l = Line(C, j)
D = Intersect(i, l)
m = Segment(B, D)
r = Segment(D, C)
s = Segment(C, A)
E2 = Rotate(E3, 90°, A)
d_1 = CircleArc(A, E3, E2)
h_1 = Ray(A, B)
B1: B + (0, b)
B2: B1 + (0, b)
B3: B2 + (0, b)
D0: (2 * D) - B
B4: B3 + (0, b)
D1: D + (0, b)
D2: D1 + (0, b)
D3: D2 + (0, b)
D4: D3 + (0, b)
i_1 = Segment(B4, D4)
j_1 = Segment(B3, D3)
k_1 = Segment(B2, D2)
l_1 = Segment(B1, D1)
B5: B4 + (0, b)
B6: B5 + (0, b)
m_1 = Segment(B5, B6)
n_1 = Segment(B, B5)
p_1 = Segment(D, D4)
g_1 = Segment(C, E)