G - Physics
02
B
40/41
G02B 7/18 (2006.01) G09F 11/02 (2006.01)
Patent
CA 1280893
ABSTRACT The invention relates to an arrangement in signs of the kind which comprise a plurality of narrow, elongated prisms arranged in side-by-side relationship and the side faces of which together form a plurality of sign surfaces in different rotational positions of the prisms. The prisms are rotated by means of a drive shaft, common to all prisms, via a respective bevel gear drive. In accordance with the invention, each driving gear wheel of the bevel gear drive is journal- led for rotation in a bearing which is carried by an individual bearing support, which is guided for indivi- dual movement axially along tracks which extend longi- tudinally along the one frame side-member of the sign, and which bearing supports can be locked in selected positions along the tracks.
546896
Ab Ariab
Gowling Lafleur Henderson Llp
Wennstrom Ari
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