Unrestricted occulter kit for school teaching aid

摘要

Topic To produce the guide channel which makes the occulter slide without doing channel processing in plate surface, simply there are times when the unrestricted occulter kit for the school teaching aid which can make complete during the time when it is possible, calls class time and is limited is offered.SolutionsThe profile which formed as one unit in the unrestricted occulter kit for the school teaching aid which opens and closes the opening of the enclosing box and the like consisting of the lumber in slide expression, by the synthetic resin material has the guide channel 7 of the U shape, the profile which formed as one unit by the curved line carriage rail 3 where that guide channel buckles and the synthetic resin material has the guide channel 12 of the U shape, that guide channel is rectilinear condition and also, in the destal of the aforementioned curved line carriage rail concatenated possible rectilinear carriage rail opposing to the in opening 17 of 4 and the aforementioned enclosing box etc, the aforementioned curved line carriage rail and the straight line which are installedIt features that the unrestricted occulter 5 where both destals slide are engaged unrestrictedly in the guide channel of the carriage rail, open and close the opening of the aforementioned enclosing box by making slide alongside the guide channel, is possessed. Choice figure Drawing 1