Patents by Inventor Tae-Jun Oh

Tae-Jun Oh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8316546
    Abstract: A rotation drum type electric razor which includes a blade assembly (40) including a rotational shaft (100) which extends in a lengthwise direction; a plurality of rotational blade members (200) which are respectively formed into a cylindrical waterwheel shape having a plurality of blades (220) coupled to the rotational shaft (100) and in which a coupling protrusion (230) is formed at each end of the blades (220), and the blades (220) are fitted in turn to the rotational shaft (100) in the form of a zigzag shape.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: November 27, 2012
    Inventor: Tae-jun Oh
  • Publication number: 20100299929
    Abstract: Provided is an insert type blade assembly of a rotation drum type electric razor, and the insert type blade assembly of the rotation drum type electric razor which includes a main body 10 that has an ON/OFF switch 12 at a front surface thereof; a blade supporting means 20 that is coupled to an upper side of the main body 10 so as to receive a motor 22 driven by the ON/OFF switch 12; a power transmitting means 30 that is downwardly disposed at a side surface of the blade supporting means 20 and provided with a plurality of gears coupled to the motor 22 so as to transmit power; a plurality of blade assemblies 40 that is rotated at a high speed so as to cut body hair by the power transmitted from the power transmitting means 30 and respectively disposed at an upper portion of the blade supporting means 20; a trimmer assembly 50 that is coupled to a lower side of the blade supporting means 20 and provided with has a trimmer disposed at a rear side of the main body 10 so as to be reciprocated left and right by dri
    Type: Application
    Filed: May 27, 2010
    Publication date: December 2, 2010
    Inventor: Tae-jun Oh
  • Publication number: 20100146791
    Abstract: Provided is a blade assembly for an electric razor including a housing 10 formed with an ON/OFF switch 12 on a front surface thereof; a driving part placed in an inside of the housing 10 and provided with a motor driven by electric power applied by the ON/OFF switch 12; a blade assembly having a blade rotated by the driving part; a mesh screen 20 for fixing the blade assembly; and a cover 30 removably fitted on an upper portion of the mesh screen 20, wherein the blade assembly S comprises: an outer mesh body 100 bended along a periphery of the blade assembly in a comb-shape so as to thrust up body hairs laid down on an area to be shaved and formed with a plurality of cutting slits 130 and a plurality of cutting holes 140 that come into contact with the area to be shaved to guide the body hairs; and a cutting blade 200 rotatably connected to the driving part, placed in an inside of the outer mesh body 100 and provided with a first cutting blade 210 for cutting the body hairs guided through the plurality of the
    Type: Application
    Filed: December 17, 2009
    Publication date: June 17, 2010
    Inventor: Tae-jun Oh
  • Patent number: 7698820
    Abstract: Disclosed is a high speed link type reciprocating electric shaver in which an outer cutter and an inner cutter reciprocate in the right-to-left direction oppositely to each other so that reciprocating effect can be doubled due to only same vibration speed of a motor. The electric shaver includes an outer cutter to reciprocate, and an inner to reciprocate. The inner cutter is connected to a side of vibrator connected to an eccentric shaft of a motor and reciprocates, and the other side of the reciprocating vibrator is connected to the outer cutter by a connecting linkage such that the outer cutter reciprocates in the direction opposite to that of the inner cutter by fixing a center the connecting linkage to a case.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: April 20, 2010
    Inventor: Tae-Jun Oh
  • Patent number: 7509743
    Abstract: Disclosed is an electric hair clipper. A movable blade is reciprocated by a pin cam to perform hair-cutting. A comb cap is attached to an outer surface of the hair clipper body. A drive bolt is mounted in a lower region of the hair clipper body. A tension spring is mounted around the outer peripheral surface of the drive bolt. A nut member is provided to allow the drive bolt to be penetrated there through and formed at an inner peripheral surface thereof with screw grooves. A shock-absorbing spring is provided, one end of which is attached to a plate fixed to an inner bottom surface of the body and the other end thereof is attached to a shock-absorbing bar. Up and Down switches are formed at opposite lateral surfaces of the body at lower ends of the lateral surfaces to forwardly and rearwardly reciprocate the comb cap.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: March 31, 2009
    Inventor: Tae-Jun Oh
  • Patent number: 7503118
    Abstract: Disclosed herein is a head-moving razor having a movable head. The head-moving razor includes a head part, which has a drive motor and press blades, and a body part. The head part is movable relative to the body part. The body part is provided at the upper end thereof with a space part, which is defined between the upper surface of the body part and the lower surface of the head part. The upper surface of the body part is spaced a predetermined distance from the lower surface of the head part. The body part is also provided at the upper end thereof with supporting walls, which are protruded upward from the space part. The head part is attached to the supporting walls of the body part such that the head part can be moved a predetermined angular distance. The head part is smoothly moved a predetermined angular distance according to the movement of the hand of a user. Consequently, the cutting force of the head-moving razor is improved, and the smooth shaving operation of the head-moving razor is accomplished.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: March 17, 2009
    Inventor: Tae-Jun Oh
  • Patent number: 7490409
    Abstract: A head moving type electric razor includes an upper cap mounted on a housing and having holding protrusions formed at left and right inner surfaces thereof, a head support having left and right walls, pivot supporting recesses, lower coupling grips formed at outer surfaces of the respective walls, and hooks caught by the holding protrusions, a waterproof rubber plate mounted in the housing, a guide plate mounted in the upper cap and having an elongated center guide hole, a vibrator slidably coupled into the guide hole and having an upper coupling pin and a lower clevis recess, an eccentric shaft slidably coupled into the clevis recess, a swing head having pivots fitted into the pivot supporting recesses, upper coupling grips, and an arcuate trimmer drive slot, and a locking knob coupled to the upper cap and having a latch detachably coupled to the swing head.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: February 17, 2009
    Inventor: Tae-Jun Oh
  • Patent number: 7437821
    Abstract: An electric razor having a doubly latched net support includes a body unit containing a drive motor, and a head unit coupled to the body unit. The head unit includes a head body, a cutting blade assembly received in the head body, and the net support having a safety net and coupled to the cutting blade assembly and the head body. The head body has seating recesses formed in a bottom thereof, shock-absorbing springs received in the seating recesses, respectively, upper and lower buttons embedded in opposite sidewalls thereof, and upper and lower stepped portions formed at the inner surfaces of the sidewalls thereof. The net support further has supporting bars extending downward from a lower end thereof to be inserted, respectively, into the seating recesses formed in the bottom of the head body, and outwardly inclined latches provided at upper ends of the supporting bars, respectively.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: October 21, 2008
    Inventor: Tae-Jun Oh
  • Publication number: 20080141537
    Abstract: Disclosed is a net-reciprocating type electric razor having a head part and a body. The head part includes a main gear and auxiliary gears, a speed reduction gear having an auxiliary speed reduction gear, a first vibrator mounted on the auxiliary speed reduction gear, a first driven gear engaged with the auxiliary speed reduction gear, a second driven gear engaged with an auxiliary gear of the first driven gear, a second vibrator coupled to the second driven gear, and a reciprocating blade. The head part further includes a rotary frame and a stationary frame. The rotary frame includes the iron net, rotating pins to be inserted into holes of a cover, and a first coupler for the coupling of a vibrating shaft. The stationary frame includes protrusions for the coupling of the reciprocating blade, and a second coupler for the coupling of an eccentric shaft of the first vibrator.
    Type: Application
    Filed: December 13, 2005
    Publication date: June 19, 2008
    Inventor: Tae-Jun Oh
  • Publication number: 20080134513
    Abstract: Disclosed is a net-rotating type electric razor(10) wherein rotary safety nets(12) are fitted into openings(111) of a cover(11), such that rotary blades(14) are rotated at a high speed by a drive motor(100) while being protected by the rotary safety nets. The electric razor comprises a net rotating vibrator(13) formed with a speed reduction gear(132), a first driving gear(15) and first driven gears(151) engaged with the speed reduction gear of the net rotating vibrator, a second driving gear(16) connected to the first driving gear(15) while being engaged with second driven gears(161), upper-side vibrators(17) mounted to the second driven gears(161), a third driving gear(18) connected to the second driving gear(16) while being engaged with third driven gears(181), and lower-side vibrators(19) mounted to the third driven gears(181).
    Type: Application
    Filed: December 13, 2005
    Publication date: June 12, 2008
    Inventor: Tae-Jun Oh
  • Publication number: 20080060202
    Abstract: The present invention relates to a cutting blade assembly of a rotation drum type electric razor, it includes a razor body on which an on/off switch is formed and in which a driving motor operated by the on/off switch is embedded, a driving support that is formed uprightly on the left and right side of the razor body faced each other and on the upper end of which a plurality of connection holes is formed, a power transmission means that is provided between the driving support and is connected to the driving motor to transmit a driving force, a cutting blade assembly that is shaft-connected to the connection hole of the driving support and to which a driving force is transmitted from the power transmission means to rotate at a high speed, and is provided with cutting blades, and a cover that is hook-connected to the upper surface of the razor body and on which a net covering the cutting blade assembly is formed.
    Type: Application
    Filed: May 15, 2007
    Publication date: March 13, 2008
    Inventor: Tae-Jun Oh
  • Patent number: 7340839
    Abstract: Disclosed is a hair clipper having a moving lower blade, in which the lower blade moves so that upper and lower blades reciprocate in opposite directions and cross each other. In the hair clipper, an eccentric cam is connected to a rotary shaft of a motor installed in a main body, and an eccentric shaft formed on the eccentric cam is inserted into a fixing groove formed in an upper blade fixing plate and vibrates horizontally, the lower blade is mounted on a blade support, such that the lower blade can move horizontally, and is fixed to one end of a link, the central portion of which is fixed to the blade support, and the other end of which is fixed to the lower surface of an upper blade fixing plate, to which an upper blade is fixed, and thus, when the upper blade fixing plate vibrates horizontally by the rotation of the motor, the lower blade vibrates on the blade support by the link in the direction opposite to the vibration of the upper blade.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: March 11, 2008
    Inventor: Tae-Jun Oh
  • Patent number: 7302759
    Abstract: Disclosed herein is a head-moving razor including a movable head part. The head-moving razor comprises a head cover having fitting parts and engaging parts, a double cutting blade disposed below the head cover and having insertion grooves, a supporting member having insertion bars, which are inserted into the insertion grooves, respectively, a moving member having engaging grooves, in which the engaging parts are engaged, respectively, the moving member also having through-holes and a bottom hole, a fixing member having protrusions, through-holes, and a bottom hole formed such that the moving member can be angularly moved back and forth about rotating pins, a vibrating member including a pair of vibrators while vibrating pins are attached to the vibrators, respectively, the vibrating member having inserting protrusions, and a drive motor having insertion holes, into which the inserting protrusions of the vibrating member are inserted, and rotors fitted on a motor shaft.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: December 4, 2007
    Inventor: Tae-Jun Oh
  • Publication number: 20070233160
    Abstract: The present invention relates to an electrically operated type of epilating device, and more particularly to an electrically operated type epilating device that has improved pinching plates and is capable of effectively pinching user's hair by placing an intermediate member having an intermediate pinching plate between the pinching plates. The epilating device comprises a main body housing, a motor, a motor gear, and a driving gear.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 4, 2007
    Inventor: Tae-Jun Oh
  • Publication number: 20070193034
    Abstract: Disclosed is a hair clipper having a moving lower blade, in which the lower blade moves so that upper and lower blades reciprocate in opposite directions and cross each other. In the hair clipper, an eccentric cam is connected to a rotary shaft of a motor installed in a main body, and an eccentric shaft formed on the eccentric cam is inserted into a fixing groove formed in an upper blade fixing plate and vibrates horizontally, the lower blade is mounted on a blade support, such that the lower blade can move horizontally, and is fixed to one end of a link, the central portion of which is fixed to the blade support, and the other end of which is fixed to the lower surface of an upper blade fixing plate, to which an upper blade is fixed, and thus, when the upper blade fixing plate vibrates horizontally by the rotation of the motor, the lower blade vibrates on the blade support by the link in the direction opposite to the vibration of the upper blade.
    Type: Application
    Filed: January 17, 2007
    Publication date: August 23, 2007
    Inventor: Tae-Jun Oh
  • Publication number: 20070169350
    Abstract: Disclosed is a high speed link type reciprocating electric shaver in which an outer cutter and an inner cutter reciprocate in the right-to-left direction oppositely to each other so that reciprocating effect can be doubled due to only a same vibration speed of a motor. The electric shaver includes an outer cutter to reciprocate, and an inner cutter to reciprocate. The inner cutter is connected to a side of a vibrator connected to an eccentric shaft of a motor and reciprocates, and the other side of the reciprocating vibrator is connected to the outer cutter by a connecting linkage such that the outer cutter reciprocates in the direction opposite to that of the inner cutter by fixing a center of the connecting linkage to a case.
    Type: Application
    Filed: January 23, 2007
    Publication date: July 26, 2007
    Inventor: Tae-Jun Oh
  • Publication number: 20070124937
    Abstract: Disclosed is a head tilting device of a slim electric shaver, which allows the electric shaver to be easily carried about when it is not used and a head to tilt from a housing when it is used.
    Type: Application
    Filed: December 1, 2006
    Publication date: June 7, 2007
    Inventor: Tae-Jun OH
  • Publication number: 20070124938
    Abstract: Disclosed is a head moving type electric razor in which a swing head and a head support can be separated more easily from a housing.
    Type: Application
    Filed: December 1, 2006
    Publication date: June 7, 2007
    Inventor: Tae-Jun Oh
  • Publication number: 20060283022
    Abstract: Disclosed is an electric hair clipper. The hair clipper is configured such that a movable blade is reciprocated by a pin cam, which is operated by a drive motor received in a clipper body, to perform a hair cutting operation. The hair clipper includes a drive bolt mounted in a lower region of the body and having one end provided with a joint member, which is connected to a shaft of an operating motor, and the other end penetrated through an insertion hole of a Z-shaped plate, the drive bolt being formed with screw threads at a part of an outer peripheral surface, a tension spring being mounted around the remainder of the outer peripheral surface of the drive bolt.
    Type: Application
    Filed: June 20, 2006
    Publication date: December 21, 2006
    Inventor: Tae-Jun Oh
  • Patent number: D534317
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: December 26, 2006
    Inventor: Tae-Jun Oh