Indexing means with optimized groove angle

Details Indexing means with optimized groove angle Indexing means with optimized groove angle

H - Electricity

01

J

313/35.1, 313/35

H01J 29/86 (2006.01) H01J 9/24 (2006.01) H01J 29/07 (2006.01)

Patent

CA 1270032

ABSTRACT OF THE DISCLOSURE Indexing means are disclosed for use in the indexing of components having planar mating areas. The indexing means comprising three V-grooves located in the mating area of a first of said components, and three indexing protuberances fixed in the mating area of a second of said components in apposition to said V-grooves for mating in registration with said V-grooves. The indexing means according to the invention are characterized by the grooves each having a subtended angle in the range of 34 to 75 degrees, and preferably, 53 degrees. The indexing means according to the invention are especially suited for application to television manufacturing, particularly in the precision indexing components of a color cathode ray tube having a tension foil shadow mask.

530126

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