Ball point pen venting

Details Ball point pen venting Ball point pen venting

1983-12-30

1985-10-01

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401 99, 401107, B43K 700, B43K 708, B43K 712

Patent

active

045442975

ABSTRACT:
An improvement in a ballpoint pen having an ink cartridge with a writing nib slidably mounted in the body of the pen and translatable between a resting position wherein the nib is retracted within the body of the pen and a writing position wherein the nib is disposed outside of the pen body, the ink cartridge being provided in the vicinity of the nib with at least one orifice for supplying the ink cartridge with air, the improvement including a chamber sealed from the ambient atmosphere in both the resting and writing positions, the orifice being disposed within the chamber, and an interruptable sealing mechanism for establishing communication between the chamber and the ambient atmosphere whenever the ink cartridge is translated between the resting and writing positions.

REFERENCES:
patent: 3039436 (1962-06-01), Exner
patent: 3285228 (1966-11-01), Fisher
patent: 3289636 (1966-12-01), Tessier
patent: 3525573 (1970-08-01), Fend
patent: 3583820 (1971-06-01), Koeln

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1439474