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US 6,045,285 AGranted
Spiral binder with locking element
OwnerMichael N. Friedmaninventor
Life of this patent
Estimating the term…
Abstract
A reusable refillable binder for use with papers having marginal perforations. The binder including a spiral coil having tapered ends, each of the ends of the coil having an area width for receipt of a removable locking element. A removable locking element for securement to binding element about the area of reduced width to prevent the unintentional unbinding of the binder when secured to the coil and to allow the user to unbind the binder when the locking element is removed.
Claims13
A binder for use with papers having perforations along the edge thereof comprising:
- a spiral binding element having coiled ends, at least one of said coiled ends having an area of reduced width relative to a remainder of said spiral binding element, and a removable locking element coupled to said spiral binding element so that it partially surrounds said area of reduced width, whereby said locking element is selectively secured and removed from the spiral element to alternate from a secured locked state to an open state to permit the threading and unthreading of said spiral binding element.
A binder for use with papers having perforations along the edge thereof comprising:
- a spiral binding element having coiled ends, at least one of said coiled ends having an area of reduced width relative to a remainder of said spiral binding element, and a removable locking element coupled to said spiral binding element, said locking element comprising a body having first and second ends, said first end partially encircling said coiled end so that it partially surrounds said area of reduced width and said second end encircling a spiral coil adjacent said coiled end, whereby said locking element may be selectively secured and removed from the spiral element to alternate from a secured locked state to an open state to permit the threading and unthreading of said spiral binding element.
Dependencies are inferred from the claim text.