Mechanical pencil having guides to match guides on a refill cart

Details Mechanical pencil having guides to match guides on a refill cart Mechanical pencil having guides to match guides on a refill cart

1978-07-06

1980-12-23

Bratlie, Steven A.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 67, 401 86, 401 87, 401 94, B43K 2100

Patent

active

042407591

ABSTRACT:
A mechanical pencil includes a casing, a chuck for holding a lead, a lead passage connected with the chuck, a lead cartridge and a push button for advancing the lead. A cylindrical body is connected to the lead passage. The cylindrical body and the lead cartridge have guides so that the both may be snuggly and accurately engaged with each other in accordance with the diameter of leads which are used in the pencil.

REFERENCES:
patent: 753096 (1904-02-01), Osteen
patent: 916587 (1909-03-01), Phelan
patent: 1609729 (1926-12-01), Larsson
patent: 2525229 (1950-10-01), Lynn
patent: 2617166 (1952-11-01), Kausman
patent: 2712950 (1955-07-01), Siebert
patent: 3672708 (1972-06-01), Zemberry

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