Section 2 - Operation; Shutter Charging (Cocking) - Polaroid Miniportrait 455 Repair Manual

Shutter Charging (Cocking)

1. As the motor runs, gear (a) rotates cam (b).
2. Cam (b) deflects the pin at the end of lever (c), moving lever (c) and turning gear
segment As the segment pivots, it turns the cocking lever (e) counter-clockwise. The
main lever (f) is also turned counter-clockwise, in its charging direction.
3. Pin (e'), attached to the underside of cocking lever (e), now moves the light interception
blade (g) back and forth as indicated in the drawing.
4. As main lever (f) turns, the pin on its nearer end rotates the shutter blade (h).

Section 2 - Operation

(Figures 2-1 and 2-2)
Figure 2-1. Motor-driven shutter charging
Motor
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