US PATENT SUBCLASS 402 / 49
.~.~ Pivoted linkage system

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}
48  DF  .~ Telescopic retainers with means to telescopically drive and/or secure {4}
49.~.~ Pivoted linkage system

DEFINITION

Classification: 402/49

(under subclass 48) Device wherein the means to telescopically drive or secure the first retainer relative to the second retainer is in the form of a mechanism including rotatably mounted elongated members which directly or indirectly interconnect the first and second retainers.