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公开(公告)号：US11090969B2
公开(公告)日：2021-08-17
申请号：US16725646
申请日：2019-12-23
发明人： Hidehei Kageyama , Tadao Odaka , Toshikazu Sasaki
摘要： A mechanical pencil includes a writing lead, a chuck that chucks the writing lead and feeds the writing lead forward, and a shaft tube for housing the writing lead and the chuck. When a click operation for feeding the chuck forward is performed, a jet stream flowing forward is generated inside the shaft tube.
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公开(公告)号：US20210187994A1
公开(公告)日：2021-06-24
申请号：US16725646
申请日：2019-12-23
发明人： Hidehei Kageyama , Tadao Odaka , Toshikazu Sasaki
摘要： A mechanical pencil includes a writing lead, a chuck that chucks the writing lead and feeds the writing lead forward, and a shaft tube for housing the writing lead and the chuck. When a click operation for feeding the chuck forward is performed, a jet stream flowing forward is generated inside the shaft tube.
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公开(公告)号：US09738112B2
公开(公告)日：2017-08-22
申请号：US14780226
申请日：2014-03-26
申请人： KOTOBUKI & CO., LTD
发明人： Hidehei Kageyama , Tadao Odaka
摘要： A mechanical pencil is including a tubular shaft, a chuck unit movably arranged in the shaft, a front rotary element adapted to be moved rearward as the unit is moved rearward, a rear rotary element adapted to be moved rearward as the front rotary element is moved rearward, a conversion means for causing the rear rotary element to rotate in a normal rotational direction as the rear rotary element is moved rearward and allowing the rear rotary element to rotate in a reverse rotational direction as the rear rotary element is moved forward, a normal directional rotation transmitting means for allowing the front rotary element to be rotated in the normal rotational direction and the rear rotary element to be idly rotated, and a reverse directional rotation restricting mechanism allowing the normal directional rotation of the front rotary element but preventing the reverse directional rotation of the front rotary element.
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公开(公告)号：US20190054756A1
公开(公告)日：2019-02-21
申请号：US16169876
申请日：2018-10-24
申请人： KOTOBUKI & CO., LTD.
发明人： Tadao Odaka , Yoshio Noguchi
摘要： A mechanical pencil according to an embodiment includes: a barrel; a cushion spring that has a rear end supported by the barrel; a sleeve that is biased forward in an axial direction by the cushion spring and movable in a direction perpendicular to the axial direction by an impact applied from outside of the barrel in an elastically supported state; a chuck spring that has a front end supported by the sleeve; a chuck that chucks a writing lead for a mechanical pencil; a writing lead tube that is fitted to the chuck and biased rearward in the axial direction together with the chuck by the chuck spring; and a contact sliding part that suppresses movement of the sleeve in the direction perpendicular to the axial direction.
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公开(公告)号：USD1010733S1
公开(公告)日：2024-01-09
申请号：US29735216
申请日：2020-05-19
摘要： FIG. 1 is a perspective view of a mechanical pencil, showing our new design;
FIG. 2 is a front view of the mechanical pencil;
FIG. 3 is a rear view of the mechanical pencil;
FIG. 4 is a top view of the mechanical pencil;
FIG. 5 is a bottom view of the mechanical pencil;
FIG. 6 is a left side view of the mechanical pencil;
FIG. 7 is a right side view of the mechanical pencil; and,
FIG. 8 is an enlarged bottom view of the mechanical pencil.
The parts shown in broken lines are portions of the mechanical pencil that form no part of the claimed design.-
公开(公告)号：US10603948B2
公开(公告)日：2020-03-31
申请号：US16169876
申请日：2018-10-24
申请人： KOTOBUKI & CO., LTD.
发明人： Tadao Odaka , Yoshio Noguchi
摘要： A mechanical pencil includes: a barrel; a cushion spring that has a rear end supported by the barrel; a sleeve that is biased forward in an axial direction by the cushion spring and movable in a direction perpendicular to the axial direction by an impact applied from outside of the barrel in an elastically supported state; a chuck spring that has a front end supported by the sleeve; a chuck that chucks a writing lead for a mechanical pencil; a writing lead tube that is fitted to the chuck and biased rearward in the axial direction together with the chuck by the chuck spring; and a contact sliding part that suppresses movement of the sleeve in the direction perpendicular to the axial direction.
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公开(公告)号：US10589563B2
公开(公告)日：2020-03-17
申请号：US15773096
申请日：2016-11-11
申请人： KOTOBUKI & CO., LTD.
发明人： Tadao Odaka
摘要： A composite writing implement according to an embodiment includes a barrel, writing shafts housed in the barrel, a cam main body including a cam projection, an end surface extending along the cam projection, and a latch recess provided in the cam projection, and sliders configured to be connected to respective rear ends of the writing shafts, and include a cam configured to be latchable to the latch recess, and have a sliding contact surface to be pressed against the end surface, wherein the end surface includes a first inclined portion that is positioned on the front end side of the cam projection and is inclined by a first incline angle, and a second inclined portion that is positioned further toward the rear end side of the cam projection than the first inclined portion, and is inclined by a second incline angle that is larger than the first incline angle.
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公开(公告)号：USD998038S1
公开(公告)日：2023-09-05
申请号：US29735220
申请日：2020-05-19
摘要： FIG. 1 is a perspective view of a writing instrument, showing our new design;
FIG. 2 is a front view of the writing instrument;
FIG. 3 is a rear view of the writing instrument;
FIG. 4 is a top view of the writing instrument;
FIG. 5 is a bottom view of the writing instrument;
FIG. 6 is a left side view of the writing instrument;
FIG. 7 is a right side view of the writing instrument; and,
FIG. 8 is an enlarged bottom view of the writing instrument.
The parts shown in broken lines are portions of the mechanical pencil that form no part of the claimed design.
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