Mechanical pencil
AssigneeKotobuki & Co., Ltd.
InventorsYoshio NOGUCHI, Tadao ODAKA, Yuichi KAMISAWA
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AssigneeKotobuki & Co., Ltd.
InventorsYoshio NOGUCHI, Tadao ODAKA, Yuichi KAMISAWA
Estimating the term…
A mechanical pencil according to an embodiment includes a barrel; and a chucking/feed-out mechanism chucking and feeding out a writing lead for a mechanical pencil, the chucking/feed-out mechanism configured to include a chuck, a chuck ring, and a chuck spring and being substantially housed in the barrel, wherein the barrel has a first level difference on an inner circumferential surface thereof, the chucking/feed-out mechanism has a second level difference opposing the first level difference, and when a prescribed load in an axial direction is applied to the writing lead for a mechanical pencil, the first level difference and the second level difference engage with each other in the axial direction to reduce an output of the chuck spring with respect to the chucking/feed-out mechanism and relax the chuck on the writing lead for a mechanical pencil by the chuck and the chuck ring.
A mechanical pencil, comprising:
Dependencies are inferred from the claim text.