Stencil apparatus for use with abrasive particle sprayer for marking items such as automobile parts
AssigneeAuto I.D., Inc.
InventorTerrance Cafferty
Life of this patent
Estimating the term…
Abstract
A stencil is provided with a slot straddled by a pair of tracks which accommodate a plurality of alphabetic/numeric plates having openings formed as characters. A mask is also insertable into the tracks to hold the plates in position and to conceal the abutting edges of the plates. The stencil is of a bendible material susceptible of being conformed to curves so that the stencil may be used in applications such as marking automobile parts with identification numbers.
Claims16
Apparatus comprising a base member provided with an opening and including tracks on opposite sides of said opening, a plurality of plates arrangeable in and extending between said tracks to obturate said opening at least in part, said plates being provided with openings constituting indicia of intelligence including characters, and a mask slidable in said tracks to a position superposed on said plates, said mask being provided with windows wherethrough the openings in the plates are exposed, said mask holding said plates in position on said base member, said base member and mask respectively comprising cooperative interlocking means which engage with each other as the mask slides in said tracks, the thusly engaged interlocking means preventing detachment of said mask from said tracks and thereby preventing detachment of said plates from said track and said base.
Dependencies are inferred from the claim text.