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Internally Actuated Leaf Type Adapter

Internally Actuated Leaf Type Adapter

Sample Shown with:
3.004"/3.002"" Bore, Core inner diameter 6"
Set Screw Securing, No Flange,
19" Leaves, 22" Overall Length

Alternate Views

Availability: Usually Ships in 2 to 4 Weeks
Part #: AD__X_

Core inner diameter*:

Activated Area (C)*:


Flange Diameter Relief (D)*:

Flange Width Relief (F)*:

Non - Activated Area (E)*:

Non - Activated Area (G)*:

Securing Method*:


Rear Guide Flange Holes*:

Leaf Length (B), Overall length (A)*:

Additional Information:


Internally Actuated Leaf Type Adapter
Slide over an air or mechanical core chuck or core shaft
Use either the split clamp or set screws to hold in place
When the inside core chuck expands the Internally Actuated Leaf Type Adapter will be activated and also expand.

Dimension diagram

Dimension diagram

When choosing dimension E and G, be sure the non-activated area does not impede the expansion of the existing core chuck or core shaft.

Printer friendly drawing

Inventor Model

  • Pays for itself in very little time due to decreased down time during roll changes.
  • No tools necessary.
  • Empty cores remove instantly.
  • Less chance of telescoping rolls when placing roll on arbor.
  • No parts to remove or lose.
  • Compensates for wide variation of core inside diameters automatically.
  • Eliminates possibility of core damage.
  • Drives equally in both directions (accelerating and decelerating)
  • Interchangeable with any arbor mounted type chuck.
  • Fully expanding periphery for maximum holding power.
  • Return springs are provided to bring leaves back to minimum diameter when deflated.
  • Typical collapsed diameter: Nominal - 1/16" Example: 6" - 1/16" = 5-15/16"
  • Typical expanded diameter: Nominal + 3/32" Example: 6" 3/32" = 6-3/32"
  • Internal actuation required
  • Material Composition : Aluminum, Black oxide Stainless Steel, Zinc Plated Carbon Steel

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