Indication display unit for vehicles

Claim 1

An indication display unit for vehicles comprising: an indicating means for displaying vehicle operational information encased in a case located within the dashboard, said case being abutted to a cam disposed thereunder, a prism having at least three faces and mounted on the dashboard in such a manner that a crest portion thereof is directed upwards at which a first and a second face thereof abut each other, said first face and second face being directed, respectively, toward the driver's seat and to the windshield, and said third face firmly attached to said case such that the indication surface of said indicating means is directed upward, wherein an indicated image projected from said indicating means entering said prism by way of said third face thereof, said indicated image entered said prism being reflected on the inner surface of said second face so as finally to be visibly observed through said first face, wherein the rearward portion of said case is axially supported and the forward portion thereof is downwardly biased, whereby said prism is rotated by way of the movement of said case which is activated by the rotating movement of said cam, and in that at least one of said first and second faces is formed in a convex shape, wherein in the case that said second face is formed in a convex shape, the indicating surface of said indicating means is located within the focal point of said second face of said prism, and in the case that said first face is formed in a convex shape, an indicated image reflected on the inner surface of said second face is located within the focal point of said first face of said prism.