What Makes Staplers Bend Staples Instead of Cutting Paper?
Staplers bend staples instead of cutting paper because their internal design redirects force to fold the metal staple after it passes through the sheets.
Driving the Staple Through Paper
When a stapler is pressed, a metal driver pushes the staple downward through the stacked paper.
The staple legs pierce the paper cleanly rather than slicing it.
The Role of the Anvil
Beneath the paper is a metal plate called the anvil. It has curved grooves shaped to guide the staple legs.
As the legs hit the anvil, they are forced to bend inward.
Redirecting Force Instead of Cutting
The stapler applies force vertically, not sideways.
This prevents shearing action that would cut paper.
Metal Deformation vs. Paper Damage
The staple metal is thin and flexible compared to the paper fibers.
The system is designed so the metal deforms before the paper does.
Standard Office Fastening Design
This bending mechanism has remained largely unchanged because it is reliable and efficient.
The design securely binds paper without tearing it.
