Geometrical instruments – Area integrators – Electrical
Patent
1983-11-30
1985-09-10
Epstein, Henry F.
Geometrical instruments
Area integrators
Electrical
33DIG1, 428693, 428900, H01F 100
Patent
active
045397570
ABSTRACT:
Disclosed is a drafting implement to aid a draftsman in drawing curves. The implement may be called a Curve Stripe. The implement includes an elongated soft metal core having a plurality of openings formed therein at intervals along the core. Magnetic beads are disposed in the openings and have at least one flat surface which is disposed normal to the elongated axis of the core and projects outwardly therefrom. A rectangular strip element is disposed adjacent to the core and arranged to inhibit motion thereof in a direction normal to the at least one surface of the beads. A pliable plastic jacket is provided to surround the core, the strip element and the beads, the jacket having openings therein matching the at least one surface of the beads.
REFERENCES:
patent: 2094529 (1937-09-01), Fisher
patent: 2790245 (1957-04-01), Wilkes
patent: 3147176 (1964-09-01), Haslam
patent: 3159517 (1964-12-01), Schornstheimer et al.
patent: 3189981 (1965-06-01), Genin et al.
patent: 3256442 (1966-06-01), Sedlak
patent: 3483494 (1969-12-01), Cromie
patent: 3515625 (1970-06-01), Sedlak et al.
patent: 3615993 (1971-10-01), French
patent: 3724083 (1973-04-01), Mehl
patent: 4144108 (1979-03-01), Gidley et al.
LandOfFree
Drawing implement does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Drawing implement, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drawing implement will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1420700