Patents Assigned to Kotobuki & Co., Ltd.
  • Publication number: 20100021227
    Abstract: Variations in the size of a stick-like object are accommodated, and abutments are urged to contact with the stick-like object with an appropriate pressure. A stick-like object feeding container is provided with: an outer sleeve 11 having a front spring shoe 11a formed on the internal circumference of the front portion of the outer sleeve; an inner sleeve 12 slidably inserted into the outer sleeve and having a rear spring shoe 12a provided on the outer circumference of the inner sleeve; a spring 13 abutting at its front and rear ends against the front spring shoe and the rear spring shoe, respectively, to bias the inner sleeve backward; a chuck 17 adapted to be capable of gripping, by its front end portion, the stick-like object inserted into the inner sleeve; and a chuck ring 18.
    Type: Application
    Filed: January 16, 2008
    Publication date: January 28, 2010
    Applicant: KOTOBUKI & CO., LTD.
    Inventors: Yoshihide Mitsuya, Juri Saitou
  • Publication number: 20100003063
    Abstract: There is provided a liquid applicator allowing a liquid to be easily replenished and replaced, as well as capable of containing a large amount of liquid. The liquid applicator includes a main body provided with a tank inside thereof, a tip shaft that is coupled to the tip end side of the main body, and a brush that is fixed in the tip shaft and projecting from the tip end of the tip shaft. A liquid may be sucked into a tank by releasing the coupling of the main body and the tip shaft, sinking a tip end opening of the main body in the liquid, and sliding a sliding cylinder attached to the rear portion of the main body.
    Type: Application
    Filed: January 10, 2008
    Publication date: January 7, 2010
    Applicant: Kotobuki & Co, Ltd
    Inventors: Hidehei Kageyama, Yoshio Noguchi, Yoshiyuki Sawayama
  • Patent number: 7607203
    Abstract: A problem of damage, breakage or dirtying of parts, resulting from attachment of the parts is solved by eliminating press-fitting and bonding for attachment of a clip ornament to a clip piece. A clip ornament includes an ornament main body to be inserted into an attachment hole of a clip piece and grip portions provided at upper and lower portions of the ornament main body so as to grip the clip piece. An attachment jig is moved along the lower surface of the clip piece, the leading end of the attachment jig is inserted between the upper and lower grip portions, a gap between the upper and lower grip portions is widened while the clip ornament is moved for attachment, and the lip of the attachment hole of the clip piece is inserted between the upper and lower grip portions.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: October 27, 2009
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Sachio Arai
  • Publication number: 20080260453
    Abstract: An end plug mounting structure for writing instrument of the present invention can securely mount an end plug onto a barrel and remove it more easily. Even if assembling and removing is performed repeatedly, tightness for the end plug to be assembled on the barrel can be prevented from weakening. A locking hole is provided around cylindrical rear portion of the barrel, an inserting portion with circular cross section inserted into rear portion of the barrel from rear end of the barrel is provided on the end plug, a locking protrusion locked in a locking hole is provided at periphery of the inserting portion, a groove extending forward from rear end of the barrel and in which the locking protrusion moves is provided on inner surface of rear portion of the barrel, thereby the end plug is assembled on the barrel by means of locking the locking protrusion that moves forward in the groove in the locking hole.
    Type: Application
    Filed: October 5, 2007
    Publication date: October 23, 2008
    Applicant: Kotobuki & Co. Ltd.
    Inventor: Hidehei Kageyama
  • Publication number: 20080247804
    Abstract: In a stick-shaped material propelling container capable of propelling and retracting a stick-shaped material, the influence of variation of the dimension of the stick-shaped material can be made small. An inner barrel is slidably inserted in an outer barrel, an elastic body which urges the inner barrel rearward is provided between the inner barrel and the outer barrel, a chuck piece which holds a stick-shaped material is provided at a tip end portion of the inner barrel, and a chuck ring is inserted between the chuck piece and the outer barrel. A cross section of the stick-shaped material forms a triangular shape, the frictional force applying part which is in contact with the stick-shaped material to apply a frictional force is formed on an inner peripheral surface of the outer barrel, and the frictional force applying part abuts on a side in the vicinity of a vertex of the stick-shaped material in a cross section of the stick-shaped material.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 9, 2008
    Applicant: Kotobuki & Co., Ltd.
    Inventor: Hidehei Kageyama
  • Patent number: 7409978
    Abstract: A dispenser with a cover whose overall size can be kept compact and which is provided with a cover to protect the applicator tip when not in use is to be provided. The dispenser with a cover is provided with a body, an applicator tip protruding through a tip aperture in the forward part of the body, and a cover for protecting the applicator tip when not in use. The cover is fitted to be rotatable around an axis orthogonal to the longitudinal direction of the body, and can turn between a position in which it overlaps at least part of the body from outside and surrounds the applicator tip and another position in which it extends backward from the body in a direction away from the aperture at the tip.
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: August 12, 2008
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Kojiro Yamashita
  • Publication number: 20080138139
    Abstract: A capless writing tool comprising a refill adapted to slide longitudinally through the interior of a barrel, an inner tube adapted to move through the interior of the barrel together with the refill, and a lid mounted pivotably in a front portion of the inner tube to open and close a front opening of the inner tube, the lid having a retaining projection for engagement with the barrel or a front piece.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Applicant: KOTOBUKI & CO., LTD.
    Inventor: Hidehei Kageyama
  • Patent number: 7373691
    Abstract: An eraser dispenser is provided which can store in a dispenser body an eraser longer than the overall length of the dispenser body. The eraser dispenser enables the eraser to be used without replacement with a new one for a long period of time. The eraser dispenser includes: a dispenser body which is enclosed by an outer circumferential wall having a distal opening and has a storing chamber capable of storing therein an eraser that is longer than the overall length of the dispenser body; and a cover which covers the dispenser body. The eraser dispenser further includes; an external operation member which partially projects from the outer circumferential wall and is operated from the outside of the dispenser body; a driving roller which is operated by the external operating member; a receiving member which is disposed opposite to the driving roller with the eraser held therebetween; and a stopper which prevents a rotary button as the external operation member from undergoing reverse turn.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: May 20, 2008
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Tadashi Yamamoto, Yoshio Noguchi
  • Patent number: 7290954
    Abstract: A airtight cap structure is capable of coming into close contact with a tip to be used and securing airtightness, even if the tip might be inserted in the cap with having a relative angle or offset between the cap and the tip. A cap comprises an outer cap and an inner cap arranged in the outer cap. The inner cap is mounted to the outer cap so that the inner cap can incline relative to the central axial line of the cap, and the cap comes into close contact with the tip or its periphery when the cap covers the tip.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: November 6, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Tomoaki Suzuki
  • Publication number: 20070248397
    Abstract: An inner barrel is slidably inserted into an outer barrel, chuck pieces which hold a stick-shaped material is provided at a tip end portion of the inner barrel, a chuck ring is inserted between the chuck pieces and the outer barrel, an elastic member receiving part is provided at part of an inner peripheral surface in a circumferential direction of the outer barrel, an elastic member receiving part is provided at part of an outer peripheral surface in the circumferential direction of the inner barrel, and a coil spring is placed at part in a circumferential direction of the outer barrel and the inner barrel between the elastic member receiving part and the elastic member receiving part, and urges the inner barrel with respect to the outer barrel.
    Type: Application
    Filed: December 27, 2006
    Publication date: October 25, 2007
    Applicant: Kotobuki & Co., Ltd
    Inventors: Hidehei Kageyama, Tadashi Keda
  • Publication number: 20070248401
    Abstract: A liquid supply implement which can accommodate a large amount of liquid without being subjected to limitation of a capacity of a temporary storage chamber temporarily storing the liquid overflowing a tank, or can reduce the capacity of the temporary storage chamber is provided. A tank formed inside a rear barrel and accommodating a liquid is divided into a plurality of tank portions. In order that all the tank portions do not communicate with a tip end supply element between the tank and a pen tip, any one of a plurality of through-holes of an inner plug respectively communicating with the respective tank portions is allowed to communicate with one through-hole formed in a lateral wall of a front barrel. By rotating the rear barrel with respect to the front barrel, selected tank portion can be switched.
    Type: Application
    Filed: April 18, 2007
    Publication date: October 25, 2007
    Applicant: Kotobuki & Co., Ltd.
    Inventor: Yoshio Noguchi
  • Patent number: 7284927
    Abstract: A writing instrument including a stick-shaped material propelling mechanism which is capable of propelling a stick-shaped material without relatively rotating the stick-shaped material with a small number of components is provided. The writing instrument includes an outer barrel, a lead feeding mechanism disposed in the outer barrel, and a stick-shaped material propelling mechanism connected to a rear portion of the lead feeding mechanism, a female thread is formed on an inner peripheral surface of a rear portion of a lead tank of the lead feeding mechanism. The stick-shaped material propelling mechanism includes a knock cap connected to the lead feeding mechanism to be relatively rotatable, and a stick-shaped material bearer which is slidable and unrotatable relative to the knock cap and for holding a stick-shaped material, and a male thread which is screwed into the female thread of the lead tank is integrally formed at the stick-shaped bearer.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: October 23, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hidehei Kageyama
  • Publication number: 20070217858
    Abstract: A lead cartridge capable of holding a rod-shaped object of a sufficient length and allowing simultaneous replacement of the lead and the rod-shaped object is to be provided. A lead cartridge which includes a lead tank for containing leads and is detachably incorporated into a mechanical pencil to supply leads has a rod-shaped object feeding mechanism which propels the rod-shaped object by turning manipulation. This rod-shaped object feeding mechanism is configured of a spiral groove formed in the inner circumferential surface of a case comprising the lead tank, a guide sleeve which is arranged in the case to be unable to move in the axial direction and able to turn relative to the case and in which guide holes extending in the axial direction are formed, and a receptacle which is slidably fitted into the guide holes of the guide sleeve and has a male thread screwing into the spiral groove. A rod-shaped object is held by the receptacle.
    Type: Application
    Filed: February 14, 2007
    Publication date: September 20, 2007
    Applicant: Kotobuki & Co, Ltd.
    Inventors: Hidehei Kageyama, Yoshio Noguchi
  • Publication number: 20070192999
    Abstract: A problem of damage, breakage or dirt of parts, resulting from attachment of the parts is solved by eliminating press-fitting and bonding for attachment of a clip ornament to a clip piece. The clip ornament is intended to be attached to the clip piece easily, thereby saving labor and reducing manufacturing cost. A clip ornament includes an ornament main body 11 to be inserted into an attachment hole 22 of a clip piece 2 and grip portions provided at upper and lower portions of the ornament main body 11 so as to grip the clip piece 2 therebetween. An attachment jig 4 is moved along the lower surface of the clip piece 2, the leading end of the attachment jig is inserted between the upper and lower grip portions, a gap between the upper and lower grip portions is widened while the clip ornament 1 is moved for attachment, and the lip of the attachment hole of the clip piece 2 is inserted between the upper and lower grip portions.
    Type: Application
    Filed: December 18, 2006
    Publication date: August 23, 2007
    Applicant: KOTOBUKI & CO., LTD.
    Inventors: Hidehei KAGEYAMA, Sachio ARAI
  • Patent number: D583869
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: December 30, 2008
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Patent number: D589556
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: March 31, 2009
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Patent number: D594902
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: June 23, 2009
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Patent number: D602089
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: October 13, 2009
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Patent number: D611989
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: March 16, 2010
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Patent number: D612428
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: March 23, 2010
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda