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US 4,224,853 AGranted
Diapositive trimmer
OwnerMatti K. Ruotsalaineninventor
Life of this patent
Estimating the term…
Abstract
A device for trimming a diapositive with trimming angles and punching pins so the diapositive can be exactly positioned within a frame.
Claims3
An apparatus for trimming a diapositive comprising:
- (a) a perforated plate for positioning the diapositive;
- (b) at least one trimming angle for forming a trimming area over the diapositive on the positioning plate;
- and
- (c) a cutter which comprises:
- (1) a frame for cutting the angle and diapositive at a predetermined width;
- and
- (2) at least one punching pin for perforating both the angle and the diapositive, the positioning plate provided with a corresponding number of holes to allow for complete perforation of the angle and the diapositive.
4 more elements
Dependencies are inferred from the claim text.