Mechanical pencil with removable lead feed cover

Details Mechanical pencil with removable lead feed cover Mechanical pencil with removable lead feed cover

1982-09-20

1985-02-19

Bratlie, Steven A.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to limit tool projection

401 60, 401 65, 401 67, 401 98, 401102, B43K 2102, B43K 2122, B43K 900

Patent

active

045002207

ABSTRACT:
A mechanical pencil includes a removable tubular cover which has functions to protect a tip of the pencil and also to advance automatically the lead therein a tiny increment to project from the pencil tip when it is attached to a rear end of the pencil for writing purposes and to a front end of the pencil after writing is finished.

REFERENCES:
patent: 846547 (1907-03-01), Brown
patent: 2311906 (1943-02-01), Eistenschneider
patent: 2865330 (1958-12-01), Swank
patent: 4270870 (1981-06-01), Hashimoto et al.

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