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US20120302125A1 - Flying disc - Google Patents

Flying disc Download PDF

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Publication number
US20120302125A1
US20120302125A1 US13/313,703 US201113313703A US2012302125A1 US 20120302125 A1 US20120302125 A1 US 20120302125A1 US 201113313703 A US201113313703 A US 201113313703A US 2012302125 A1 US2012302125 A1 US 2012302125A1
Authority
US
United States
Prior art keywords
propeller
main body
disc
flying
disc main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/313,703
Other languages
English (en)
Inventor
Jinsei Choh
Jintei Choh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MSC CORP
Original Assignee
MSC CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MSC CORP filed Critical MSC CORP
Assigned to MSC CORPORATION reassignment MSC CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHOH, JINSEI, CHOH, JINTEI
Publication of US20120302125A1 publication Critical patent/US20120302125A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H27/00—Toy aircraft; Other flying toys
    • A63H27/12—Helicopters ; Flying tops
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/18—Throwing or slinging toys, e.g. flying disc toys

Definitions

  • the present invention relates to a flying disc which can be thrown as a flying body.
  • an upper blowing device including rotary blades for pressure-feeding air in an axial flow direction and a lower blowing device including rotary blades for pressure-feeding the pressure-fed air from the upper blowing device in a centrifugal direction are arranged on a same axis so as to be rotated in directions reverse to each other.
  • a turbofan of the upper blowing device press-feeds the air, taken in from the centrifugal direction, in the axial flow direction through a through hole
  • a turbofan of the lower blowing device press-feeds the air, taken in through the through hole, in the centrifugal direction.
  • the disc described in Patent Document 2 is one of ordinary flying discs which are not powered.
  • the disc can fly while making various trails according to a direction of throwing, the initial speed, a rotating speed, and the attitude.
  • To horizontally fly the flying disc the disc is thrown at a certain initial speed according to a desired flight distance and therefore the disc is flying at a relatively high speed when the disc is caught.
  • the propeller flying device described in Patent Document 4 is formed so that two propellers generate upward and horizontal propulsion forces.
  • the propeller flying device is not intended to be thrown back and forth between people unlike the flying disc and there seems to be no flying disc intended to be thrown and mounted with such a propeller flying device.
  • a flying disc which can be thrown back and force between players as a flying body, which can fly certain distance even by an unskilled person, and which can descend slowly after speed of horizontal movement reduces so that it can be caught easily by the other person.
  • a structure which can increase buoyancy, stabilize an attitude, and maintain a drive force by rotation of the airframe utilizing a reaction force caused by rotation of the propeller.
  • the invention is intended to achieve all of, any selected one of, or a combination of some of the above-described objects.
  • the flying disc according to the present invention has the following structures.
  • a flying disc thrown by a hand of a player comprises:
  • a disc main body comprising an upper wall portion having an opening at a middle thereof and a curved face or an inclined face formed downwardly at an outer periphery of the upper wall portion; a propeller and a driving device for rotating the propeller which are disposed at a central portion of the opening; and a wing-shaped member for receiving a descending air current generated by rotation of the propeller and applying a rotative force to the disc main body in a direction reverse to the propeller.
  • the flying disc Since the flying disc has buoyancy due to the rotation of the propeller, it has flight duration longer than prior-art flying disc when thrown at the same initial speed, and slowly descends when it loses speed in a horizontal direction and reaches a receiving player.
  • the wing-shaped member applies the rotative force to the disc main body by way of the air current generated by the propeller to thereby maintain the rotation of the disc main body given by user when the disc is thrown.
  • the rotation of the disc main body has gyro effect which is effective to stabilize attitude during the flight and increasing flying distance.
  • a flying disc thrown by a hand of a player comprises:
  • a disc main body comprising an upper wall portion having an opening at the middle thereof and a curved face or an inclined face formed downwardly at an outer periphery of the upper wall portion; a propeller and a driving device for rotating the propeller which are disposed at a central portion of the opening; and a wing-shaped member mounted at an angle different from the propeller so as to receive a descending air current generated by rotation of the propeller and apply rotative force to the disc main body.
  • the wing-shaped member receiving the air current generated by the propeller applies the rotative force to the disc main body, which has an effect to maintain the rotation of the disc main body applied by the user when the disc is thrown.
  • the rotation of the disc main body has a gyro effect which contributes to the stabilization of the attitude during the flight and the increase in the flying distance and is effective to maintain long flight duration of the disc main body and slowly descending the disc main body when the disc loses speed in the horizontal direction.
  • a flying disc thrown by a hand of a player comprises:
  • a disc main body comprising an upper wall portion having an opening at the middle thereof and a curved face or an inclined face formed downwardly at an outer periphery of the upper wall portion; a propeller and a driving device for rotating the propeller which are disposed at a central portion of the opening; and a wing-shaped member mounted at a different angle from the propeller so as to receive a descending air current generated by rotation of the propeller and apply a rotative force to the disc main body, wherein the driving device is supported by an arm provided near the center of the opening and the wing-shaped member is mounted to the arm.
  • the flying disc has the similar operation and effects to the above-described flying discs.
  • the structure can be simplified and reduced in weight.
  • a flying disc thrown by a hand of a player includes:
  • a disc main body including an upper wall portion having an opening at the middle thereof and a curved face or an inclined face formed downwardly at an outer periphery of the upper wall portion; a propeller and a driving device for rotating the propeller which are disposed at a central portion of the opening; and a wing-shaped member mounted at an angle different from the propeller so as to receive a descending air current generated by rotation of the propeller and apply a rotative force to the disc main body, wherein the driving device is supported by an arm provided near the center of the opening and the wing-shaped member is formed by shaping the arm.
  • the flying disc has the similar operation and effects to the above-described flying discs.
  • the arm for supporting the driving device By forming the arm for supporting the driving device into such a shape as to function as the wing, the structure is simplified and the flying disc is reduced in weight.
  • a flying disc thrown by a hand of a player comprises:
  • a disc main body comprising an upper wall portion having an opening at the middle thereof and a curved face or an inclined face formed downwardly at an outer periphery of the upper wall portion; a propeller and a driving device for rotating the propeller which are disposed at a central portion of the opening and supported by an arm provided near the center of the opening; and a wing-shaped member provided to the arm for receiving a descending air current generated by rotation of the propeller and applying a rotative force to the disc main body, wherein a protecting member for covering an outer periphery or an upper portion of the propeller is provided to an upper face of the disc main body.
  • the flying disc has the similar operation and effects to the above-described flying discs.
  • the protecting member By providing the protecting member, the propeller is prevented from coming in contact with the user. If the protecting member for preventing the propeller from coming in contact with the user is made of material which allows air to pass through, it reduces air resistance during the flight.
  • a flying disc thrown by a hand of a player comprises: a disc main body comprising an upper wall portion having an opening at the middle thereof and a curved face or an inclined face formed downwardly at an outer periphery of the upper wall portion; and a propeller and a driving device for rotating the propeller which are disposed at a central portion of the opening, wherein a reaction force generated in a direction different from rotating direction of the propeller is transmitted to the disc main body.
  • the flying disc has the similar operation and effects to the above-described flying discs and can use the reaction force of the rotation of the propeller as power for assisting the rotation of the disc main body. If the wing-shaped member is provided, it assists the reaction force of the propeller in continuing the rotation of the disc main body for a longer time.
  • a flying disc thrown by a hand of a player comprises a switch or a sensor for rotating the propeller connected to the driving device.
  • the switch or the sensor detects start of flight and automatically rotates the propeller.
  • the flying disc is preferably lightweight and therefore cannot mount a high-capacity battery. Therefore, in order to suppress electric power consumption during time other than the flight, the switch or the sensor for controlling driving of the propeller is required. If a sensor for detecting start and end of the flight is used to automatically control start and stop of the driving of the propeller, it is possible to further prevent wasting of the electric power.
  • a flying disc thrown by a hand of a player comprises a centrifugal switch which is energized as the disc main body rotates and rotates the propeller connected to the driving device, wherein the propeller is rotated by the rotation of the disc main body as a result of a flight and the rotation of the propeller is stopped by reduction in a rotating speed of or a stop of the rotation of the disc main body as a result of an end of the flight.
  • the invention includes a switch for sensing the centrifugal force to close a circuit as a means of a sensor for detecting the start and the end of the flight.
  • the flying disc Since the flying disc has buoyancy due to the rotation of the propeller, it has flight duration longer than a prior-art flying disc when thrown at the same initial speed and slowly descends when it reaches a receiving-side player. Moreover, because the start and the stop of the rotation of the propeller can be synchronized with the flight, it is possible to remove the burden of operating the switch, the electric power consumption can be reduced, and consumption of the battery can be suppressed.
  • the flying disc according to the invention has the propeller and flies in the substantially horizontal direction while generating the buoyancy with the rotation of the propeller.
  • the flying distance increases in proportion to the flight duration. Since the flying disc according to the invention has the propeller, the flight duration is long and the flying disc can fly farther than the flying disc without the propeller.
  • the flying disc according to the invention flies at a certain height until the last stage of the flight and slowly descends as the speed of the horizontal movement reduces. Therefore, it is easy to catch the approaching flying disc.
  • the rotation of the disc main body is essential for maintaining the flying attitude in the air.
  • the reaction force due to the rotation of the propeller and the wing-shaped member receiving the air current help the disc main body to continue to rotate.
  • the disc main body continues to rotate until the flying disc substantially loses speed and descends. Therefore, the flying disc can maintain the attitude until end of the flight.
  • FIG. 1 is a plan (top) view of a flying disc.
  • FIG. 2 is a side view (partially sectional view taken along a line X-X′ in FIG. 1 ) of the flying disc.
  • FIG. 3 is a bottom view of the flying disc.
  • a reference numeral 1 designates a flying disc according to the present invention.
  • the flying disc 1 comprises a disc main body 2 in a shape of an inverted dish having an outside shape of about 20 to 30 cm and a propeller 3 for rotating at a position protruding from an upper face of the disc main body 2 .
  • the disc main body 2 is formed as a thin-walled rigid structure which is 23 cm in diameter and about 3 cm in height as an optimum form.
  • the disc main body 2 comprises a thin-walled frame 4 made of synthetic resin in a lattice shape and a resin film 5 covering the frame 4 .
  • the disc main body 2 is not limited to this structure but other structures may be employed.
  • the disc main body 2 has the outside shape of the inverted dish and has a circular opening 6 formed at the middle.
  • a side wall 7 curved downward with a radius of curvature which is substantially equal to a height of the disc main body 2 is formed.
  • the shape of the side wall 7 is not limited to the curved face but any appropriate shape such as an inclined face including a straight-line element may be employed in consideration of flying efficiency.
  • the disc main body 2 having the above-described structure When the disc main body 2 having the above-described structure is thrown in a horizontal direction while rotating, it flies through inertia while maintaining buoyancy by means of the shape of the outer peripheral portion and the upper wall portion excluding the opening 6 .
  • the disc main body 2 comprises a frame 4 for maintaining the shape and the resin film 5 covering the frame 4 .
  • the frame 4 is formed in the thin-walled lattice shape having narrow beams for maintaining the disc shape. By covering the entire frame 4 with the resin film 5 , window-like openings formed between the lattice beams are closed.
  • a heat-shrinkable film is used, for example. After covering the entire frame 4 with the resin film 5 , the resin film 5 is heated and shrunk to come in close contact with the frame 4 .
  • the portion made up of the frame 4 and the resin film 5 may be formed as an integral member.
  • the disc main body 2 is formed as described above in order to reduce the weight while maintaining the shape of the disc.
  • the frame 4 is formed into the lattice shape having the openings, it may be formed to have thin films closing areas corresponding to the openings so that the same effect can be obtained as in the frame 4 covered with the film.
  • the mounting plate 8 is a portion integrally formed with the frame 4 and is a circular portion supported by spoke-shaped arms 11 extending from a central portion of the upper wall face toward the outer periphery.
  • the driving portion 9 comprises a case in which a battery, a motor and a group of gears connected to a motor shaft are accommodated.
  • a centrifugal switch 12 (described later) is closed, the motor rotates to rotate a drive shaft 10 protruding upward from the mounting plate 8 through the group of gears.
  • the drive shaft 10 is mounted with the propeller 3 and the propeller 3 is rotated by the rotation of the drive shaft 10 .
  • the propeller 3 is disposed at the central portion of the opening 6 formed at the middle of the disc main body 2 as described above, the central portion of the opening 6 where the propeller 3 is disposed does not refer to a narrow area limited to a central point of the opening 6 .
  • the central portion refers to an area having a certain expanse surrounding the central axis of the disc main body 2 , where the propeller disposed in this area can exert an effect of causing an air current to pass through the opening 6 from an upper side to a lower side.
  • the central portion of the opening 6 at which the propeller is disposed is not limited to the above-described portion above the mounting plate 8 from which the drive shaft 10 protrudes.
  • the propeller may be disposed at the same height as the upper wall face of the disc main body 2 which is substantially the same height as the mounting plate 8 or may be disposed at a lower position than the upper wall face of the disc main body 2 .
  • the propeller 3 is preferably provided at a position slightly higher than the upper wall face of the disc main body 2 as shown in the drawing. If the propeller 3 is disposed in such a manner that the disc main body 2 hangs from the propeller 3 which generates buoyancy, it is easy to stabilize a flying attitude.
  • the four spoke-shaped arms 11 ( 11 a , 11 b , 11 c , and 11 d ) supporting the mounting plate 8 are provided.
  • the centrifugal switch 12 is mounted on a back face of one arm 11 a of the four arms.
  • the centrifugal switch 12 is a switch formed so as to close a circuit when a centrifugal force is generated in a certain direction.
  • the centrifugal switch 12 used in the embodiment is formed so that an iron ball housed in the switch 12 presses an inner contact due to the centrifugal force to achieve energization and that the energization is canceled when the centrifugal force ceases.
  • the centrifugal switch 12 is provided along the arm 11 a provided to extend from the center to the outer periphery and energized due to the centrifugal force caused by rotation of the disc main body 2 .
  • the centrifugal switch 12 closes the circuit connecting the motor and the battery built into the driving portion 9 to rotate the motor to rotate the propeller 3 .
  • the propeller is rotated as the disc main body 2 rotates.
  • the propeller 3 rotates counterclockwise in a plan view (when seen from above).
  • a weight 15 for balancing with the centrifugal switch 12 is mounted on the arm 11 c located at an opposed position of the arm 11 a .
  • Each arm 11 a , 11 b , 11 c , and 11 d facing the opening 6 vertically passing through the disc is respectively provided with wings (wing-shaped members) 13 ( 13 a , 13 b , 13 c , and 13 d ) having inclined faces.
  • Each wing 13 receives a descending air current generated by the propeller 3 to generate a force for rotating the disc main body 2 in a direction reverse to the propeller.
  • the wings 13 are formed as inclined plates inclined toward a moving (rotating) direction.
  • the wing-shaped members may have structures for receiving the air current of the propeller to give the disc main body 2 a rotative force in the same way as the above mentioned wings 13 by forming the arms 11 into narrow plate shapes and providing them angles (twisting them). Therefore, shapes of the wings and places where the wings are mounted are not limited to those in the drawings.
  • Rotation of the disc main body 2 caused by throwing is maintained by an inertial force retained by the disc main body 2 and is gradually attenuated by air resistance of exposed portions of the frame 4 and the resin film 5 covering the surface of the frame 4 .
  • the rotation of the disc main body 2 has a gyro effect of stabilizing the attitude of the airframe during the flight. Therefore, the rotation of the disc main body 2 is an important element for the type of flying disc to be thrown.
  • the wing 13 By receiving the descending air current generated by the propeller 3 , the wing 13 generates the rotative force for rotating the disc main body 2 in a direction reverse to the propeller 3 .
  • the wings 13 acts to keep the rotation of the disc main body 2 by supplementing the rotative force of the disc main body 2 attenuated by the air resistance.
  • the rotation of the disc main body 2 has effects of stabilizing the flight, maintaining the buoyancy, and reducing air resistance against traveling direction.
  • the flying disc according to the embodiment can achieve the stable flying attitude and the flying distance by utilizing a reaction force of the propeller to the rotation of the disc main body 2 .
  • the reaction force of the propeller 3 acts on the disc main body 2 to rotate the disc main body 2 when the propeller 3 rotates.
  • the above-described Patent Document 1 has a means for preventing the rotation of the airframe cause by the reaction force.
  • the flying disc 1 according to the embodiment of the present invention has a structure for transmitting the reaction force to the disc main body 2 without canceling the reaction force.
  • the flying disc according to the embodiment of the present invention utilizes the reaction force caused by the rotation of the propeller as well for the rotation of the disc main body 2 , which is effective to the stability of the flight and so on.
  • the rotation of the propeller 3 does not generate a propulsion force in the horizontal direction, it gives buoyancy to rise the disc main body 2 .
  • the propeller 3 and the driving portion 9 used in the embodiment of this invention do not have enough buoyancy to lift the stationary disc main body 2 and cause it to rise, they are adjusted to have such a degree of force as to allow the falling disc main body 2 to gently descend.
  • a cylindrical protecting portion 14 is provided to the upper face of the disc main body 2 to cover an outer periphery of the propeller 3 .
  • the protecting portion 14 is the portion which looks like a trapezoidal protuberance protruding from the upper face of the disc main body 2 when seen from a side, which is provided to prevent tip end portions of the high-speed propeller 3 from coming in contact with the user.
  • the protecting portion 14 also has an effect of guiding the air current generated by the propeller 3 from the upper side to the downside.
  • the protecting portion 14 is formed to be light weight.
  • the protecting portion may be formed by using a net-like member.
  • the net-like member may be formed in the cylindrical shape like the above-described protecting portion 14 or only an upper portion or the entire periphery including the upper portion may be covered with the net-like member. If the net-like member is used, it is possible to prevent contact of the propeller with a human body while reducing the air resistance during the flight.
  • the above-described centrifugal switch 12 is used as a starting means of the propeller 3 in the flying disc 1 according to the embodiment of the present invention, thereby the rotation of the propeller 3 starts as the flight starts and the rotation of the propeller 3 stops as the flight ends.
  • switching of the propeller 3 is not limited to this example.
  • physical quantities of or changes in vibration, sound, distortion, acceleration, and the like generated in the disc main body as throwing of the flying disc 1 starts may be detected by sensors and a circuit may be driven based on the detected signals to rotate the propeller 3 .
  • a timer means for forcibly stopping the propeller 3 when a certain amount of time elapses may be provided as well for this control and the propeller 3 may be stopped when the sensors cannot determine that the flight has ended.
  • the timer is used to stop the propeller 3 , it is also possible to start the rotation of the propeller 3 with a mechanical switch including the centrifugal switch 12 without using the sensors for detecting the physical quantities.
  • the present invention can be utilized for a flying body called a flying disc.

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  • Toys (AREA)
US13/313,703 2011-05-25 2011-12-07 Flying disc Abandoned US20120302125A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011-117350 2011-05-25
JP2011117350 2011-05-25
JP2011-232018 2011-10-21
JP2011232018A JP2013006010A (ja) 2011-05-25 2011-10-21 フライングディスク

Publications (1)

Publication Number Publication Date
US20120302125A1 true US20120302125A1 (en) 2012-11-29

Family

ID=47219517

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/313,703 Abandoned US20120302125A1 (en) 2011-05-25 2011-12-07 Flying disc

Country Status (3)

Country Link
US (1) US20120302125A1 (ja)
JP (1) JP2013006010A (ja)
CN (1) CN202620727U (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9393499B1 (en) * 2014-05-21 2016-07-19 Adam L. Flanagan Water rocket toys, assemblies, components, and methods
US20170319977A1 (en) * 2016-05-04 2017-11-09 DAB Design LLC Gyrating flying disc
US20180015383A1 (en) * 2016-05-04 2018-01-18 DAB Design LLC Gyrating flying disc
US20180200642A1 (en) * 2017-01-16 2018-07-19 William J. Warren Recreational Disk with Blade Members
US10696372B2 (en) * 2017-09-29 2020-06-30 Intel Corporation Transformable unmanned vehicles and related methods
US11712637B1 (en) 2018-03-23 2023-08-01 Steven M. Hoffberg Steerable disk or ball
US11766623B1 (en) * 2022-11-22 2023-09-26 Huasheng Chen Frisbee

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105214301B (zh) * 2014-07-01 2019-08-09 北京东方达恒科技发展有限公司 一种飞碟打靶方法和飞碟
EP3860738B1 (en) * 2018-10-04 2023-11-22 Waboba AB Disc shaped throwing object
CN112023417A (zh) * 2020-08-27 2020-12-04 计彩华 一种儿童玩具飞盘

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204891A (en) * 1963-01-15 1965-09-07 Cline Orville Flying space ship toy
US4065873A (en) * 1976-08-30 1978-01-03 Robert Alexander Jones Flying saucer toy
US4461436A (en) * 1979-11-26 1984-07-24 Gene Messina Gyro stabilized flying saucer model

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS635784A (ja) * 1986-06-25 1988-01-11 新田　和夫 飛行体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204891A (en) * 1963-01-15 1965-09-07 Cline Orville Flying space ship toy
US4065873A (en) * 1976-08-30 1978-01-03 Robert Alexander Jones Flying saucer toy
US4461436A (en) * 1979-11-26 1984-07-24 Gene Messina Gyro stabilized flying saucer model

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9393499B1 (en) * 2014-05-21 2016-07-19 Adam L. Flanagan Water rocket toys, assemblies, components, and methods
US20170319977A1 (en) * 2016-05-04 2017-11-09 DAB Design LLC Gyrating flying disc
US20180015383A1 (en) * 2016-05-04 2018-01-18 DAB Design LLC Gyrating flying disc
US10052564B2 (en) * 2016-05-04 2018-08-21 DAB Design LLC Gyrating flying disc
US20180200642A1 (en) * 2017-01-16 2018-07-19 William J. Warren Recreational Disk with Blade Members
US10696372B2 (en) * 2017-09-29 2020-06-30 Intel Corporation Transformable unmanned vehicles and related methods
US11712637B1 (en) 2018-03-23 2023-08-01 Steven M. Hoffberg Steerable disk or ball
US12528027B1 (en) 2018-03-23 2026-01-20 Steven M. Hoffberg Steerable rotating projectile
US11766623B1 (en) * 2022-11-22 2023-09-26 Huasheng Chen Frisbee

Also Published As

Publication number Publication date
CN202620727U (zh) 2012-12-26
JP2013006010A (ja) 2013-01-10

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AS Assignment

Owner name: MSC CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHOH, JINSEI;CHOH, JINTEI;REEL/FRAME:027344/0957

Effective date: 20111124

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION