4. Binder device releasably engaging aperture or notch of sheet
  5. Sheet retainer travels arcuate path
  6. Travel in plane perpendicular to axis of rotation

U.S. Ring Binder

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Binder ring mechanism

Office supplies; artists and teachers materials – Book – album or cover – Element or attachment
Design Patent

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Binder ring mechanism

Office supplies; artists and teachers materials – Book – album or cover – Element or attachment
Design Patent

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D ring binder

Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent

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Releasable attachment for a ring metal to a ring binder

Binder device releasably engaging aperture or notch of sheet – Depository – Face member with back member
Patent

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Ring binder

Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent

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Profile ID: LFUS-PAI-P-983545

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