The early pliers did not have a crimper. After 1995, Victorinox included a crimper near the pivot point of the pliers to make it more useful as an all around tool. The spring is a leaf-spring type design which is the same as the scissors.
Early release of the pliers did not include a crimper |
Later half of the 1990s featured pliers with the crimper which is still in used today |
References:
Victorinox 1990s Catalog
Victorinox 2001 Catalog
www.sakwiki.com
SAAM's 91mm Tool Evolution