US PATENT SUBCLASS 402 / 56
.~ Travel from aligned to aligned, spaced position

Current as of: June, 1999
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402 /   HD   BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET

46  DF  OPPOSED SHEET RETAINERS INVOLVING RELATIVE RECTILINEAR TRAVEL {4}
56.~ Travel from aligned to aligned, spaced position

DEFINITION

Classification: 402/56

(under subclass 46) Device wherein the first and second sheet retainers are in abutting co-axial relation when associated to jointly secure a sheet and such relation is changeable by means permitting movement of the first retainer to a position wherein the abutting portions of the retainers are then in a co-axial spaced relation to permit removal of a sheet.