Permanent calendar construction

Card – picture – or sign exhibiting – Calendars

Patent

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Details

40120, 40622, G09F 300

Patent

active

042755166

ABSTRACT:
An improved permanent calendar construction that allows easy removal and rearrangement of vertical date columns and yet prevents their disengagement when, for example, the calendar is tilted forward. Extending horizontally across the date column area or well, there is located at least one lipped horizontal track. Defined in the back wall of each date column are at least two openings or grooves that can mate with the track, as desired. The lip results in a track which extends in more than one straight axial direction and thus engages the groove at least in dual directions (and with the end portion of the track furthest from the back wall terminating in an upwardly and perpendicular direction from an axis perpendicular to the back wall). An example of the preferred embodiment is a track with a right angle lip. Of course, at a minimum, the purposes of the present invention can be accomplished if the track is not lipped and is parallel to or diagonally upwardly directed toward the rear wall.
Optionally, a support stand is rotatably secured within a cut-out in the back wall of the calendar frame. A pivot is rigidly received within a thru bore in the upper end of the stand and the ends are received within blind bores in the frame. A compression spring is positioned between the end wall of one of the blind bores in the end pivot, biasing the stand into frictional engagement with one of the side walls of the cut-out. The upper inside wall of the stand is partially angled to allow pivoting until the desired support angle is reached. The bottom wall is appropriately angled so that the stand rests flat on the bearing surface when the stand is in its extended position.
As an alternative embodiment, the calendar construction can be made with only one or two columns with reversible mounting structures.

REFERENCES:
patent: 301553 (1884-07-01), Bereman
patent: 2130752 (1938-09-01), Wagner
patent: 2155904 (1939-04-01), Lowinger
patent: 2892277 (1959-06-01), Wagner
patent: 3028700 (1962-04-01), Faulkner
patent: 3262225 (1966-07-01), Offenhauer
patent: 3458945 (1969-08-01), Edwards
patent: 3930327 (1976-01-01), Friedman
patent: 4142311 (1979-03-01), Lane

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