Mechanical pencil having an automatic lead extending mechanism

Details Mechanical pencil having an automatic lead extending mechanism Mechanical pencil having an automatic lead extending mechanism

1989-03-03

1990-12-25

Johnson, Richard J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 67, 401 82, 401 94, B43K 2122, B43K 2410

Patent

active

049798391

ABSTRACT:
A mechanical pencil having an automatic lead extending mechanism which has a radially displaceable member disposed on an entire circumference of the pencil body. The lead protrudes from a tip end of the pencil body when the radially displaceable member is radially displaced.

REFERENCES:
patent: 2340665 (1944-02-01), Jacobs
patent: 3836264 (1974-09-01), Saito
patent: 3854824 (1974-12-01), Kamo
patent: 3883253 (1975-05-01), Naruse
patent: 3892495 (1975-07-01), Naruse
patent: 4269524 (1981-05-01), Hashimoto
patent: 4270870 (1981-06-01), Hashimoto
patent: 4358210 (1982-11-01), Hashimoto

Affiliated with

Also associated with

Rating

Mechanical pencil having an automatic lead extending mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mechanical pencil having an automatic lead extending mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mechanical pencil having an automatic lead extending mechanism will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1159610