15
37
31
38
6
35
33
34
36
Figure 3/4: Basic structure of the stored-energy spring mechanism
6 Recess
9 Charging lever
15 Vacuum interrupter
15.3 Movable contact
16.2 Roller contact
17 Contact force spring
18 Insulated coupling rod
19 Opening spring
20 Shift lever pair
21 Cam disk
30 Drive shaft
31 Release mechanism
32 Stop disk
33 Drum with spiral spring
34 Chain drive
35 Ratchet wheel
50 Left-hand control cam
Figure 3/5: View of the stored-energy spring mechanism and auxiliary
equipment with the front plate removed
6 Recess for charging lever 9
31 Release and control mechanism on the drive shaft
33 Drum with spiral spring
34 Chain drive
35 Ratchet wheel
36 Charging motor
37 Release and control mechanism area
38 Auxiliary switch block
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