YEAR CALENDAR (VARIANTS) Russian patent published in 2005 - IPC

FIELD: home and office calendars.

SUBSTANCE: calendar has frame substrate assembly for positioning a set of calendar sheets, made in form of table variants of century calendars, in months-years crosses of which weeks of first groups of seven days are marked as 1-7, 8-14, 15-21, 22-28, 29-31, position in which determines week day of target day. Frame substrate is made of greater dimensions then dimensions of sheets on three sides for two-side thick portions of edges, at face portion - for raising crawler with runner above sheets, and on back side - for forming a niche for used or not needed sheets. In other variant calendar has rigid casing with transparent stationary or moving front wall, with upper input slit with lid or port for removal of calendar sheets or replacement of face sheet.

EFFECT: broader functional capabilities, higher efficiency.

2 cl, 19 dwg