초록 ▼

A calendar comprising a date disk and a week disk which are rotatably coupled with each other. The date disk has date figures and the week disk has week indicating letters. The calendar has further month indicating letters and formations for bringing unnecessary month indicating letters into the inv

A calendar comprising a date disk and a week disk which are rotatably coupled with each other. The date disk has date figures and the week disk has week indicating letters. The calendar has further month indicating letters and formations for bringing unnecessary month indicating letters into the invisible state. The date disk and the week disk may be corresponded according to the selected month by relatively rotating both disks and selecting the month indicating letter.

대표청구항 ▼

A calendar for a particular one-year, comprising a circular date disk having a center, a circular week disk having a center and coaxially superimposed on said date disk and rotatably coupled therewith, said date disc having thereon date indicia comprising numerals 1 to 28, 29, 30, 31, respectively a

A calendar for a particular one-year, comprising a circular date disk having a center, a circular week disk having a center and coaxially superimposed on said date disk and rotatably coupled therewith, said date disc having thereon date indicia comprising numerals 1 to 28, 29, 30, 31, respectively and consecutively, said indicia 1-28, inclusively, being circularly arranged in a first annular band defining a first radial distance range from said center of said date disc, said indicia of 29, 30, 31 being disposed in a second annular band segment spaced radially and inwardly of the indicia 1, 2, 3, respectively, said second annular band segment being completely disposed closer to said center than that of the entire of said fIrst radial distance range of said first annular band from said center, weekday indicia letters for 4 weeks disposed circularly on said week disk arranged to radially correspond with said date indicia on said date disk, one of said disks being formed with a window delineation area spaced at another radial distance from said center of said one disk, the other of said disks having 12 month indicia means annularly disposed and spaced angularly from one another and at a radial distance from said center of said other disk equal to said another radial distance and arranged for corresponding said date indicia with said weekday indicia letters for the particular one-year and for any particular month, when one of the month indicia means corresponding to said particular month is aligned with said window delineation area, said week disk being further formed with a plurality of end-of-month-day opaque area means arranged in predetermined angular positions corresponding to and relative to said month indicia means for bringing only certain of said date indicia 29, 30, 31 into visible condition and for blocking out remaining of the latter corresponding to those of said particular month then aligned in said window delineation area, said plurality of end-of-month-day opaque area means being disposed at spaced angular positions defining another annular band segment, the latter disposed at a radial distance from the center of said week disk equal to that of said second annular band segment of the date indicia 29, 30, 31 from said center of said date disk.