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US 4,811,842 AGranted
Case for storing spare leads
AssigneeChitose Kagaku Kogyo Co., Ltd.
InventorTakashi Sekiya
Life of this patent
Estimating the term…
Abstract
The present invention provides a storage case which has a case body that does not have to be inverted when spare leads are removed therefrom, and in which the spare leads are automatically made to project from a lead extraction port provided in the case body so that the spare leads can be prevented from being broken or lost by mistake, as in conventional cases.
Claims11
A case for storing spare lead comprising a chamber for receiving spare leads which is provided in a case body;
- a lead extraction port which is provided at the upper end of said receiving chamber;
- a driving piece which has a lid member for said lead extraction port at its upper end and is longitudinally movably received in said case body in such a manner that it can be operated from the outside;
- and a holding piece for said spare leads which is associates with the lower end of said driving piece in such a manner that it can lift a lead which is located at one side of the chamber under said lead extraction port up through the port when the driving piece is operated to remove the lid from the port wherein the bottom wall of said receiving chamber is inclined downwardly toward said one side so that stored leads are moved successively toward said holding piece as leads are removed from the case.
Dependencies are inferred from the claim text.