Magnetic pen

Details Magnetic pen Magnetic pen

1996-01-05

1997-10-07

Hafer, Robert A.

Amusement devices: toys

Having permanent magnet

Manually held member for magnetic interaction with...

446131, 401257, 434409, A63H 3326, B43K 1700, B43L 100

Patent

active

056741049

ABSTRACT:
A magnetic pen for drawing lines on the main surface of a magnetic display sheet consisting of a plurality of microcapsules in which oily liquid having photoabsorptive ferromagnetic powder and photoreflective non-magnetic powder are mixed in sealed relationship, and wherein the magnetic pen includes a core member having a spherical crown shape, a magnet constituting part of a notched surface of the core member, the core member being supported by the pen such that the notched surface of the core member protrudes from the tip of the pen and a spherical contraposition is generated by a part of the spherical surface of the core member, and wherein the notched surface of the core member is brought into contact with the main surface of the magnetic display sheet by the force of a stroke drawing line.

REFERENCES:
patent: 3318043 (1967-05-01), Abbott
patent: 4288936 (1981-09-01), Okutsu
patent: 5411398 (1995-05-01), Nakanishi et al.

Affiliated with

Also associated with

Rating

Magnetic pen does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic pen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic pen will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2352514