Writing implement and kit
OwnerChen J. Shaninventor
Life of this patent
Estimating the term…
Abstract
A writing kit which includes a writing implement having an elongated barrel with collets at each end and a push rod extending therebetween wherein each collet is of a different size and has an internal conical surface for cooperatively engaging and gripping a tapered portion of a writing element such as a lead which is shaped having two such portions so that one portion is exposed for writing or drawing while the other is retained within the barrel. The leads may be selectively removed from the collets by operation of the push rod and may be stored in a stand designed to retain a plurality of varying sizes of leads.
Claims4
A writing kit comprising, a plurality of leads each having a pair of tapered portions tapering from the central portion toward two opposite points, a stand having a plurality of holes therein for selectively receiving said leads, a writing implement including an elongated barrel having an opening therethrough and opposite ends, a pair of collet means engaging said ends of said elongated barrel so as to be oppositely oriented with respect to one another, each of said collet means having a conical internal surface for engaging and gripping said tapered portions of said leads and having an opening therein which is generally aligned with said opening through said elongated barrel, a push rod means disposed within said elongated barrel and being movable through said opening in said collet means, said push rod means having means for limiting the movement of said push rod means within said elongated barrel, and with respect to each of said opposite ends thereof, said push rod means being operable to urge a lead from engagement with either of said collet means.
Dependencies are inferred from the claim text.