Pencil with a tapered follower
AssigneeThe Gillette Company
InventorValerie A. Buckle
Life of this patent
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Abstract
A propelling pencil comprising a body (1, 2), a lead follower (8) and a length of lead (7) supported between the forward end part (1) of the body and the follower. To minimize risk of lead breakages due to shock forces, the lead enters the follower through a smoothly tapering socket (12) and enters the bore (6) at the forward end of the body through a smoothly tapering recess (15).
Claims10
A pencil comprising an elongate body having an axial bore within which is located a length of writing lead and a lead follower, the lead having a trailing end supported by the follower which is moveable longitudinally of the body to adjust the length of lead projecting at the forward end of the body, and wherein the follower includes a socket having an inner portion in which the trailing end of the lead is engaged with a friction fit, a mouth surrounding the lead with a substantial radial spacing therebetween, and a portion tapering inwardly to the inner portion and having a smooth transition therewith to thereby provide a smooth transition zone where the lead becomes free of lateral support to cushion the lead against shear stresses when the lead is subjected to sudden shock to reduce chances of lead fracturing.
Dependencies are inferred from the claim text.