Coating implements with material supply – Projectable and retractable tool – With movable closure or gate
Reexamination Certificate
2011-04-26
2011-04-26
Walczak, David J. (Department: 3751)
Coating implements with material supply
Projectable and retractable tool
With movable closure or gate
C401S107000, C401S099000
Reexamination Certificate
active
07931416
ABSTRACT:
A slide type writing tool having a dryness prevention unit. The writing tool includes a hollow shaft having at a first end thereof a nib hole. A knock part is inserted into an insert hole formed in a second end of the shaft. A cartridge is inserted into the shaft and is integrated with the knock part. A control module is made of an elastic material, such as rubber, and includes an O-ring part coming into close contact with the nib hole, a spherical door having a spherical surface, a tubular holder secured to the cartridge, a first hinge coupling the O-ring part with the spherical door, and a second hinge integrally coupling the spherical door with the holder. First and second springs are provided in the shaft to act elastic restoring force between the control module and the cartridge.
REFERENCES:
patent: 1923634 (1933-08-01), Markstein
patent: 2362948 (1944-11-01), Teague et al.
patent: 2590943 (1952-04-01), Coskey et al.
patent: 4575271 (1986-03-01), Hashimoto et al.
patent: 6371129 (2002-04-01), Le Bras-Brown et al.
patent: 7220073 (2007-05-01), Yoon
Gumbs Keegan
Intellectual Property Law Group LLP
Jackson Juneko
Lee Otto O.
Morris Corporation
LandOfFree
Slide type writing tool having device for preventing dryness does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Slide type writing tool having device for preventing dryness, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Slide type writing tool having device for preventing dryness will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2655728