US20070119299A1 - Engine for model - Google Patents
Engine for model Download PDFInfo
- Publication number
- US20070119299A1 US20070119299A1 US11/527,670 US52767006A US2007119299A1 US 20070119299 A1 US20070119299 A1 US 20070119299A1 US 52767006 A US52767006 A US 52767006A US 2007119299 A1 US2007119299 A1 US 2007119299A1
- Authority
- US
- United States
- Prior art keywords
- piston
- engine
- cylinder body
- model
- crankshaft
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/34—Ultra-small engines, e.g. for driving models
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/04—Cylinders; Cylinder heads having cooling means for air cooling
- F02F1/045—Attachment of cylinders to crankcase
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/90—Alloys not otherwise provided for
- F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
Definitions
- the present invention relates to an engine for a model using an internal combustion engine for driving a toy.
- An engine for model using liquid fuel As a driving source for a remote controlled toy, an engine for model using liquid fuel is conventionally used.
- An engine for model of this kind has a cylinder mounted on an upper portion of a crankcase in which a piston reciprocates, and a heat sink head for dissipating heat is mounted on an upper portion of the cylinder.
- a portion of the cylinder where the piston reciprocates is hard-chrome plated to prevent abrasion.
- the present assignee discloses a technique concerning an engine for model in which a separate heat sink head portion is mounted on an upper portion in association with a recoil starter used for starting the engine (see Japanese Utility Model Registration No. 3080620 (pages 9 and 10, FIG. 1 for example)).
- the heat sink head for dissipating heat is mounted on the upper portion of the cylinder as a separate member, and the portion of the cylinder where the piston reciprocates is hard-chrome plated and thus, the number of parts is increased, it takes time for assembling operation, and cost is increased as a whole.
- the present invention has been accomplished in view of the above circumstances, and it is an object of the invention to provide an engine for model in which the number of parts can be reduced, the engine can be manufactured easily, the engine can be assembled for a short time, and the engine can be manufactured inexpensively.
- a first aspect of the invention provides an engine for model in which a crankshaft is rotatably disposed in a crankcase, a piston is fitted in a cylinder body such that the piston can reciprocate, the cylinder body is mounted on an upper portion of the crankcase, the piston is connected to the crankshaft through a con-rod, wherein the cylinder body is integrally formed with a cylinder portion into which the piston is fitted such that the piston can reciprocate, and a heat sink head portion formed in an upper cylinder portion. It is possible to reduce the number of parts, to manufacture the engine easily, and to assemble the engine for a short time, and to produce the engine inexpensively.
- the cylinder body is formed with a cast of aluminum alloy having much silicon content. A surface of the cylinder body where the piston reciprocates can be prevented from being worn.
- a surface of the piston is subjected to a surface processing of nickel-mixed plating. It is possible to prevent the surface of the piston from being worn.
- FIG. 1 is an exploded perspective view of an engine for model according to an embodiment of the invention
- FIG. 2 is an exploded perspective view of a starter portion mounted on the engine for model according to the embodiment of the invention.
- FIG. 3 is a sectional view according to the engine for model and the starter portion of the embodiment of the invention.
- FIGS. 1 to 3 are diagrams used for explaining an engine for model according to the embodiment of the invention.
- FIG. 1 is an exploded perspective view of an engine for model
- FIG. 2 is an exploded perspective view of a starter portion mounted on the engine for model
- FIG. 3 is a sectional view of the engine for model and the starter portion.
- the engine for model 1 of the embodiment includes a crankcase 10 , a crankshaft 20 which is rotatably disposed in the crankcase 10 , a piston 30 connected to the crankshaft 20 through a con-rod 34 , and a cylinder body 40 in which the piston 30 is fitted such that the piston 30 can reciprocate therein and which is mounted on an upper portion of the crankcase 10 .
- a starter 50 is mounted on the crankcase 10 . The starter 50 rotates the crankshaft 20 when the engine is started.
- the crankcase 10 is a case of aluminum alloy or the like.
- a shaft hole is formed in the crankcase 10 so that the crankshaft 20 is rotatably disposed in the shaft hole.
- the crankcase 10 is formed with flange portions 11 to 13 .
- An upper portion of the flange portion 11 is opened such that the flange portion 11 is in communication with the shaft hole, and the cylinder body 40 is mounted on the flange portion 11 .
- the flange portion 12 is opened so that the starter 50 is mounted in such a manner that the starter 50 is connected to an end of the crankshaft 20 .
- the flange portion 13 has openings, and supply portions of liquid fuel and air are mounted on the openings such that they are in communication with the shaft hole at a location adjacent to the upper flange portion 11 .
- the crankshaft 20 has one end portion side formed into a slightly thin output shaft portion 21 , and the other end portion side formed into a disk-like crank plate portion 22 having a wide diameter.
- the crankshaft 20 is formed with a through hole 23 through which a side surface of an intermediate shaft and the crank plate 22 are brought into communication with each other.
- the through hole 23 is in communication with the openings of the flange portion 13 so that liquid fuel and air are supplied during rotation of the crankshaft 20 .
- a hole 24 is formed at a location of the crank plate 22 away from its axis.
- a crankpin 25 is mounted in the hole 24 .
- the cylinder body 40 is a cast of aluminum alloy having much silicon content to enhance the abrasion resistance.
- the cylinder body 40 is integrally formed with the upper heat sink head portion 41 and the lower cylinder portion 42 .
- the piston 30 is fitted into the cylinder portion 42 such that the piston 30 can reciprocate.
- the heat sink head portion 41 is formed at its central portion with a hole in which a glow plug 46 for ignition is provided.
- a plurality of disks for dissipating heat are arranged on the heat sink head portion 41 in the vertical direction.
- the cylinder portion 42 is formed with a hole 49 in which the piston 30 is fitted such that the piston 30 can reciprocate therein.
- a lower end portion of the cylinder portion 42 is formed with a flange portion 44 and a flange portion 45 .
- the flange portion 44 has an opening which is in communication with the hole 49 into which the upper flange portion 11 of the crankcase 10 is provided.
- the flange portion 45 is provided at its side surface with an opening which is in communication with the hole 49 .
- a discharging portion for discharging exhaust gas in the side face is provided in the opening.
- the cylinder body 40 fixed in such a manner that the flange portion 44 abuts against the flange portion 11 of the crankcase 10 through the crankcase gasket 37 , and a bolt 47 is inserted into a hole from the side face formed in the cylinder body 40 from above.
- a bolt 48 is inserted into a hole formed in the same manner in the flange portion 45 of the side surface of the cylinder body 40 and a discharging portion is mounted.
- the piston 30 is formed into a cylindrical shape whose lower side is opened.
- a hole 31 is formed in the piston 30 in a direction perpendicular to the axis of the piston 30 .
- the piston pin 32 is inserted into the hole 31 and is fixed by a piston pin pad 33 .
- the piston pin 32 is inserted into a mounting hole 35 formed in an upper end portion of the con-rod 34
- the crankpin 25 is inserted into a mounting hole 36 formed in the other end portion of the con-rod 34 . That is, the piston 30 is connected to the crankshaft 20 through the con-rod 34 , and the reciprocating motion of the piston 30 is associated with rotation of the crankshaft 20 .
- the surface of the piston 30 is subjected to surface processing using nickel mixture plating for preventing abrasion between the surface of the piston 30 and the surface of the hole 49 of the cylinder body 40 .
- a normally used piston ring is not used.
- the starter 50 rotates the crankshaft 20 when the engine is started.
- a starter shaft 51 is rotatably mounted on a back plate 53 .
- a starter shaft adapter 54 is mounted on the starter shaft 51 .
- the starter shaft 51 is disposed such that its one end portion side is opposed to the crank plate 22 of the crankshaft 20 , and the starter shaft 51 is connected to the crank plate 22 through the crankpin 25 .
- the other end portion side of the starter shaft 51 is formed in the thin shaft portion.
- a shaft of the crankshaft 20 rotatably mounted on the back plate 53 , and the back plate 53 is mounted on a starter mounting flange portion 12 of the crankcase 10 by a bolt 56 through an O-ring 52 .
- the starter shaft adapter 54 is formed into a cylindrical shape having a retaining portion which gives a rotation force from outside when the engine is started.
- the starter shaft adapter 54 is mounted on an shaft end side of the starter shaft 51 by a set shaft 55 .
- the crankshaft 20 rotates and with this, the piston 30 reciprocates in the cylinder portion 42 of the cylinder body 40 through the con-rod 34 , a mixture gas of liquid fuel and air supplied from the fuel supply portion side into the cylinder portion 42 is compressed, the mixture gas is ignited by the glow plug 46 and the engine is started.
- the cylinder body 40 is integrally formed with the upper heat sink head portion 41 and the lower cylinder portion 42 by casting. With this, the number of parts is reduced, the engine can be manufactured inexpensively, and it is possible to assembly the engine easily.
- the cylinder body 40 is a cast of aluminum alloy having much silicon content.
- the surface of the piston 30 is subjected to surface processing using nickel mixture plating. Therefore, it is possible to enhance the abrasion resistance, it is unnecessary to provide a separate cylinder made of different material unlike the conventional technique, and a piston ring can be omitted. Further, the hard-chrome plating of the inner surface of the cylinder can be omitted unlike the conventional technique.
- the present invention can be utilized for an engine for model by an internal combustion engine for driving a toy.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention provides an engine for model in which the number of parts can be reduced, the engine can be manufactured easily, the engine can be assembled for a short time, and the engine can be manufactured inexpensively. An engine for model in which a crankshaft is rotatably disposed in a crankcase, a piston is fitted in a cylinder body such that the piston can reciprocate, the cylinder body is mounted on an upper portion of the crankcase, the piston is connected to the crankshaft through a con-rod, wherein the cylinder body is integrally formed with a cylinder portion into which the piston is fitted such that the piston can reciprocate, and a heat sink head portion formed in an upper cylinder portion.
Description
- 1) Field of the Invention
- The present invention relates to an engine for a model using an internal combustion engine for driving a toy.
- 2) Description of the Related Art
- As a driving source for a remote controlled toy, an engine for model using liquid fuel is conventionally used. An engine for model of this kind has a cylinder mounted on an upper portion of a crankcase in which a piston reciprocates, and a heat sink head for dissipating heat is mounted on an upper portion of the cylinder. Generally, aportion of the cylinder where the piston reciprocates is hard-chrome plated to prevent abrasion. The present assignee discloses a technique concerning an engine for model in which a separate heat sink head portion is mounted on an upper portion in association with a recoil starter used for starting the engine (see Japanese Utility Model Registration No. 3080620 (
pages 9 and 10, FIG. 1 for example)). - According to the conventional engine for model, the heat sink head for dissipating heat is mounted on the upper portion of the cylinder as a separate member, and the portion of the cylinder where the piston reciprocates is hard-chrome plated and thus, the number of parts is increased, it takes time for assembling operation, and cost is increased as a whole.
- The present invention has been accomplished in view of the above circumstances, and it is an object of the invention to provide an engine for model in which the number of parts can be reduced, the engine can be manufactured easily, the engine can be assembled for a short time, and the engine can be manufactured inexpensively.
- To achieve the above object, a first aspect of the invention provides an engine for model in which a crankshaft is rotatably disposed in a crankcase, a piston is fitted in a cylinder body such that the piston can reciprocate, the cylinder body is mounted on an upper portion of the crankcase, the piston is connected to the crankshaft through a con-rod, wherein the cylinder body is integrally formed with a cylinder portion into which the piston is fitted such that the piston can reciprocate, and a heat sink head portion formed in an upper cylinder portion. It is possible to reduce the number of parts, to manufacture the engine easily, and to assemble the engine for a short time, and to produce the engine inexpensively.
- According to a second aspect of the invention, the cylinder body is formed with a cast of aluminum alloy having much silicon content. A surface of the cylinder body where the piston reciprocates can be prevented from being worn.
- According to a third aspect of the invention, a surface of the piston is subjected to a surface processing of nickel-mixed plating. It is possible to prevent the surface of the piston from being worn.
- An engine for model in which a crankshaft is rotatably disposed in a crankcase, a piston is fitted in a cylinder body such that the piston can reciprocate, the cylinder body is mounted on an upper portion of the crankcase, the piston is connected to the crankshaft through a con-rod, wherein the cylinder body is integrally formed with a cylinder portion into which the piston is fitted such that the piston can reciprocate, and a heat sink head portion formed in an upper cylinder portion. It is possible to reduce the number of parts, to manufacture the engine easily, and to assemble the engine for a short time, and to produce the engine inexpensively.
-
FIG. 1 is an exploded perspective view of an engine for model according to an embodiment of the invention; -
FIG. 2 is an exploded perspective view of a starter portion mounted on the engine for model according to the embodiment of the invention; and -
FIG. 3 is a sectional view according to the engine for model and the starter portion of the embodiment of the invention. - An illustrated embodiment of the present invention will be explained concretely below. FIGS. 1 to 3 are diagrams used for explaining an engine for model according to the embodiment of the invention.
FIG. 1 is an exploded perspective view of an engine for model,FIG. 2 is an exploded perspective view of a starter portion mounted on the engine for model, andFIG. 3 is a sectional view of the engine for model and the starter portion. - In these drawings, the engine for
model 1 of the embodiment includes acrankcase 10, acrankshaft 20 which is rotatably disposed in thecrankcase 10, apiston 30 connected to thecrankshaft 20 through a con-rod 34, and acylinder body 40 in which thepiston 30 is fitted such that thepiston 30 can reciprocate therein and which is mounted on an upper portion of thecrankcase 10. Astarter 50 is mounted on thecrankcase 10. Thestarter 50 rotates thecrankshaft 20 when the engine is started. - The
crankcase 10 is a case of aluminum alloy or the like. A shaft hole is formed in thecrankcase 10 so that thecrankshaft 20 is rotatably disposed in the shaft hole. Thecrankcase 10 is formed withflange portions 11 to 13. An upper portion of theflange portion 11 is opened such that theflange portion 11 is in communication with the shaft hole, and thecylinder body 40 is mounted on theflange portion 11. Theflange portion 12 is opened so that thestarter 50 is mounted in such a manner that thestarter 50 is connected to an end of thecrankshaft 20. Theflange portion 13 has openings, and supply portions of liquid fuel and air are mounted on the openings such that they are in communication with the shaft hole at a location adjacent to theupper flange portion 11. Thecrankshaft 20 has one end portion side formed into a slightly thinoutput shaft portion 21, and the other end portion side formed into a disk-likecrank plate portion 22 having a wide diameter. Thecrankshaft 20 is formed with a throughhole 23 through which a side surface of an intermediate shaft and thecrank plate 22 are brought into communication with each other. The throughhole 23 is in communication with the openings of theflange portion 13 so that liquid fuel and air are supplied during rotation of thecrankshaft 20. Ahole 24 is formed at a location of thecrank plate 22 away from its axis. Acrankpin 25 is mounted in thehole 24. - The
cylinder body 40 is a cast of aluminum alloy having much silicon content to enhance the abrasion resistance. Thecylinder body 40 is integrally formed with the upper heatsink head portion 41 and thelower cylinder portion 42. Thepiston 30 is fitted into thecylinder portion 42 such that thepiston 30 can reciprocate. The heatsink head portion 41 is formed at its central portion with a hole in which aglow plug 46 for ignition is provided. A plurality of disks for dissipating heat are arranged on the heatsink head portion 41 in the vertical direction. Thecylinder portion 42 is formed with ahole 49 in which thepiston 30 is fitted such that thepiston 30 can reciprocate therein. A lower end portion of thecylinder portion 42 is formed with aflange portion 44 and aflange portion 45. Theflange portion 44 has an opening which is in communication with thehole 49 into which theupper flange portion 11 of thecrankcase 10 is provided. Theflange portion 45 is provided at its side surface with an opening which is in communication with thehole 49. A discharging portion for discharging exhaust gas in the side face is provided in the opening. Thecylinder body 40 fixed in such a manner that theflange portion 44 abuts against theflange portion 11 of thecrankcase 10 through thecrankcase gasket 37, and abolt 47 is inserted into a hole from the side face formed in thecylinder body 40 from above. Abolt 48 is inserted into a hole formed in the same manner in theflange portion 45 of the side surface of thecylinder body 40 and a discharging portion is mounted. - The
piston 30 is formed into a cylindrical shape whose lower side is opened. Ahole 31 is formed in thepiston 30 in a direction perpendicular to the axis of thepiston 30. Thepiston pin 32 is inserted into thehole 31 and is fixed by apiston pin pad 33. Thepiston pin 32 is inserted into amounting hole 35 formed in an upper end portion of the con-rod 34, and thecrankpin 25 is inserted into amounting hole 36 formed in the other end portion of the con-rod 34. That is, thepiston 30 is connected to thecrankshaft 20 through the con-rod 34, and the reciprocating motion of thepiston 30 is associated with rotation of thecrankshaft 20. The surface of thepiston 30 is subjected to surface processing using nickel mixture plating for preventing abrasion between the surface of thepiston 30 and the surface of thehole 49 of thecylinder body 40. A normally used piston ring is not used. - The
starter 50 rotates thecrankshaft 20 when the engine is started. Astarter shaft 51 is rotatably mounted on aback plate 53. Astarter shaft adapter 54 is mounted on thestarter shaft 51. Thestarter shaft 51 is disposed such that its one end portion side is opposed to thecrank plate 22 of thecrankshaft 20, and thestarter shaft 51 is connected to thecrank plate 22 through thecrankpin 25. The other end portion side of thestarter shaft 51 is formed in the thin shaft portion. A shaft of thecrankshaft 20 rotatably mounted on theback plate 53, and theback plate 53 is mounted on a starter mountingflange portion 12 of thecrankcase 10 by abolt 56 through an O-ring 52. Thestarter shaft adapter 54 is formed into a cylindrical shape having a retaining portion which gives a rotation force from outside when the engine is started. Thestarter shaft adapter 54 is mounted on an shaft end side of thestarter shaft 51 by aset shaft 55. - According to the engine for
model 1 having the above structure, like a normal engine, if a rotation force is given from outside by thestarter shaft 51 of thestarter 50 when the engine is started, thecrankshaft 20 rotates and with this, thepiston 30 reciprocates in thecylinder portion 42 of thecylinder body 40 through the con-rod 34, a mixture gas of liquid fuel and air supplied from the fuel supply portion side into thecylinder portion 42 is compressed, the mixture gas is ignited by theglow plug 46 and the engine is started. In this embodiment, thecylinder body 40 is integrally formed with the upper heatsink head portion 41 and thelower cylinder portion 42 by casting. With this, the number of parts is reduced, the engine can be manufactured inexpensively, and it is possible to assembly the engine easily. Thecylinder body 40 is a cast of aluminum alloy having much silicon content. The surface of thepiston 30 is subjected to surface processing using nickel mixture plating. Therefore, it is possible to enhance the abrasion resistance, it is unnecessary to provide a separate cylinder made of different material unlike the conventional technique, and a piston ring can be omitted. Further, the hard-chrome plating of the inner surface of the cylinder can be omitted unlike the conventional technique. - The present invention can be utilized for an engine for model by an internal combustion engine for driving a toy.
Claims (3)
1. An engine for model in which a crankshaft is rotatably disposed in a crankcase, a piston is fitted in a cylinder body such that the piston can reciprocate, the cylinder body is mounted on an upper portion of the crankcase, the piston is connected to the crankshaft through a con-rod, wherein
the cylinder body is integrally formed with a cylinder portion into which the piston is fitted such that the piston can reciprocate, and a heat sink head portion formed in an upper cylinder portion.
2. The engine for model according to claim 1 , wherein the cylinder body is a cast of aluminum alloy having much silicon content.
3. The engine for model according to claim 1 , wherein a surface of the piston is subjected to a surface processing of nickel-mixed plating.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005343205A JP2007146765A (en) | 2005-11-29 | 2005-11-29 | Engine for model |
JP2005-343205 | 2005-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070119299A1 true US20070119299A1 (en) | 2007-05-31 |
Family
ID=38086159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/527,670 Abandoned US20070119299A1 (en) | 2005-11-29 | 2006-09-22 | Engine for model |
Country Status (2)
Country | Link |
---|---|
US (1) | US20070119299A1 (en) |
JP (1) | JP2007146765A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2490674A (en) * | 2011-05-09 | 2012-11-14 | Trevor George Butcher | Alternator adapter for radio controlled vehicle IC engines |
ITBS20120115A1 (en) * | 2012-07-24 | 2014-01-25 | Novarossi World Srl | TWO STROKE INTERNAL COMBUSTION ENGINE, IN PARTICULAR FOR MODELING, AND ITS MOTOR SHAFT |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464560A (en) * | 1946-04-15 | 1949-03-15 | Paul H Davey | Cooler and supercharger for compressors |
US3641990A (en) * | 1969-02-21 | 1972-02-15 | Richard Furneaux Kinnersly | Internal combustion engine |
US3753425A (en) * | 1970-09-19 | 1973-08-21 | Favill J | Two stroke internal combustion engines |
-
2005
- 2005-11-29 JP JP2005343205A patent/JP2007146765A/en active Pending
-
2006
- 2006-09-22 US US11/527,670 patent/US20070119299A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464560A (en) * | 1946-04-15 | 1949-03-15 | Paul H Davey | Cooler and supercharger for compressors |
US3641990A (en) * | 1969-02-21 | 1972-02-15 | Richard Furneaux Kinnersly | Internal combustion engine |
US3753425A (en) * | 1970-09-19 | 1973-08-21 | Favill J | Two stroke internal combustion engines |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2490674A (en) * | 2011-05-09 | 2012-11-14 | Trevor George Butcher | Alternator adapter for radio controlled vehicle IC engines |
GB2490674B (en) * | 2011-05-09 | 2018-09-05 | George Butcher Trevor | Alternator adapter |
ITBS20120115A1 (en) * | 2012-07-24 | 2014-01-25 | Novarossi World Srl | TWO STROKE INTERNAL COMBUSTION ENGINE, IN PARTICULAR FOR MODELING, AND ITS MOTOR SHAFT |
Also Published As
Publication number | Publication date |
---|---|
JP2007146765A (en) | 2007-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SHUWA INDUSTRY CO., LTD., JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TSUNO, KOICHI;REEL/FRAME:018467/0090 Effective date: 20061011 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |