Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper cooperating with retainer of varying cross-section
Patent
1992-07-01
1993-11-30
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with releasable keeper
Keeper cooperating with retainer of varying cross-section
402 68, B42F 1310
Patent
active
052659682
ABSTRACT:
A file clip which has a base with two spaced elongate, flexible, serrated members, and a retainer with two spaced apertures through which the members pass. Punched paper sheets are threaded on to the elongate members. Adjacent each aperture the retainer has a flexible tab which is flanked by two upstanding undercut formations. The tab has locking formations which are engageable with selected serrations on the respective elongate member thereby to secure the retainer to the base.
REFERENCES:
patent: 3970331 (1976-07-01), Giulie
patent: 4305675 (1981-12-01), Jacinto
patent: 4453851 (1984-06-01), Purcocks
Patents Act 1977, Examiner's report to the Comptroller under Section 17 (The Search Report) Form SF2(p).
Bell Paul A.
Van Wijk Arnoldus Adriaan
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