Patents Assigned to OM Corporation
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Patent number: 6726261Abstract: A bumper reinforcement attached to a front or a rear side of a vehicle frame as a strength member comprising: a bumper beam to be supported on the vehicle frame, and a reinforcement member attached to the bumper beam on a forward surface thereof which is upstream with respect to an impact exertion direction, wherein: the reinforcement member has a concave portion of a substantially C-shaped cross section projecting in a downstream direction reverse to the impact exertion direction, the bumper beam has a groove portion extending longitudinally of the reinforcement member on the forward surface to which the reinforcement member is attached, and the reinforcement member and the bumper beam are engaged by joining a bottom surface of the concave portion and a surface of the groove portion.Type: GrantFiled: February 11, 2003Date of Patent: April 27, 2004Assignee: Om CorporationInventors: Hiroshi Goto, Koji Shimotsu
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Patent number: 6702345Abstract: A shock absorber for a vehicle making use of plastic deformation. The absorber is mounted between a bumper and the frame of the vehicle to transform impact energy applied to the bumper into deformation energy. The absorber comprises a straight tube that can be plastically deformed. A straight tube is partially enlarged or partially reduced to form different diameter tube portions. These tube portions are connected by step formed between the edge of each one. Thus, a multi-diameter stepped tube is formed. The tubes located at the both ends of this multi-diameter stepped tube are connected to the bumper and the frame of the vehicle respectively.Type: GrantFiled: August 31, 2000Date of Patent: March 9, 2004Assignee: OM CorporationInventor: Hiroshi Yoshida
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Patent number: 6591577Abstract: An automobile reinforcing member wherein a pair of pipes are formed relatively from an original sheet material with a joint surface in a middle portion of the original sheet in a width direction, the fold-back faces consist of the outer side faces of the pipes extending laterally from said joint surface, the outer wall faces extending from said outer side faces of the pipes, the inner side faces of the pipes extending from said outer wall faces, the inner wall faces extending from said fold-back faces to the joint surface, and the welding portions extending from said inner wall faces. These portions are formed into lateral pipes by bending the fold-back faces, folding boundary mark between the inner wall face and the welding portion into valley-shaped, and putting those welding portions onto the joint surface situated at interval between said pipes, and then welding both of welding portions and the joint surface together to form an integrated structure.Type: GrantFiled: July 3, 2001Date of Patent: July 15, 2003Assignee: OM CorporationInventors: Hiroshi Goto, Haruyoshi Iogawa, Hiroshi Yoshida, Masahiro Kyoto
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Patent number: 6554333Abstract: A vehicle bumper assembly characterized by high connection strength with reliable impact absorption, wherein a support bracket is in the form of multi-step structure, a small tube portion of one end of the support bracket is provided with a bumper connection member connected to a bumper and a large tube portion of the other end of the support bracket is provided with a vehicle body connection member attachable to and detachable from a vehicle body member, the bumper connection member is installed to one end or one end portion of the bumper, a connection hole is provided on the bumper connection member for inserting the small tube portion, and the bumper and the support bracket is connected by inserting the small tube portion into the connection hole and by welding the side surface of the small tube portion at a cylindrical wall of the peripheral edge of the connection hole.Type: GrantFiled: May 2, 2002Date of Patent: April 29, 2003Assignee: OM CorporationInventors: Koji Shimotsu, Hiroshi Yoshida
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Patent number: 6217089Abstract: A bumper reinforcing member obtained from a tubular article of a closed cross-section. The tubular article is continuously manufactured by folding a first side edge portion of an original metal sheet along a folded-back edge portion and along a folded-in edge portion in this order, bonding a contacting face portion that extends from an edge of the first side edge portion to the folded-back edge portion to an inside of a bumper front face, forming a half of a bumper cross-section by connecting the inside of the bumper front face and the inside of a bumper rear face with a reinforcing rib that extends from the edge of the first side edge portion to the folded-back edge portion, and forming the remaining half of a bumper cross-section by bonding a second side edge portion of the original sheet to a vicinity of the folded-in edge portion.Type: GrantFiled: December 1, 1999Date of Patent: April 17, 2001Assignee: OM CorporationInventors: Hiroshi Goto, Yasuaki Hiramatsu
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Patent number: 5943823Abstract: A integrally formed synthetic resin lower sash for an automotive vehicle door structured so as to be disposed within a door panel and guide a window glass received within the door panel in a vertical direction. In order to reduce a frictional sound generated between a moving glass and the lower sash, the lower sash is constituted by an outer wing, an inner wing and a frame surrounding an edge portion of the window glass, a plurality of extending portions projecting toward the surface of the opposing window glasses and intermittently disposed to a direction of guiding the window glass are provided in the outer wing and the inner wing, and a projecting piece slidably in contact with each of inner and outer surfaces of the glass is extended in such a manner as to continue from the expanding portion, thereby forming a glass guide.Type: GrantFiled: February 4, 1998Date of Patent: August 31, 1999Assignees: OM Corporation, Mitsubishi Jidosha Kogyo Kabushiki KaishaInventors: Hiromitu Yoshida, Hiroshi Funada, Syusaku Heya, Tomohiro Katayama
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Patent number: 5894857Abstract: A fuel delivery device for a fuel tank comprising a float chamber for sucking fuel in a normal state, a sub chamber for sucking a small quantity of fuel remaining within a tank and a communication chamber for communicating the float chamber and the sub chamber to each other in lower portions thereof En the fuel delivery device for a fuel tank, a sub float chamber is provided above the sub chamber, the sub float chamber has a gas discharge port communicating with-the fuel tank in an upper portion, a vent hole communicating with the sub chamber in a lower portion and a sub float valve within, and the sub float valve ascends and descends in accordance with a quantity of an excess fuel returned to the sub float chamber from the engine so as to open and close the vent hole.Type: GrantFiled: July 8, 1997Date of Patent: April 20, 1999Assignee: OM CorporationInventors: Hiroshi Takaki, Shinya Shimada, Kunihito Kawai
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Patent number: 5887615Abstract: A check valve using a valve element (2) which is so constructed that the valve element comprises three members: a cover (4); an annular packing (5) and a pressing plate (6), the pressing plate (6) is provided with a snap fit claw (7), a flexible flange (12) pressed to the peripheral edge of a valve seat (11) when the valve element (2) is put in the valve closing state is formed on the outer periphery of the annular packing (5), a peripheral stepped part (13) to which the outer periphery of the pressing plate (6) is fitted is formed on the inner periphery thereof, the cover (4) is provided with a fitting hole (8) for the snap fit claw (7) and a peripheral wall (14) formed on the outer periphery thereof, to which the main body part of the annular packing (5) except the flange (12) is fitted, the annular packing (5) is fitted to the cover (4), the pressing plate (6) is fitted to the annular packing (5), and the snap fit claw (7) is fitted in the fitting hole (8), thereby clamping the annular packing (5) with theType: GrantFiled: September 22, 1997Date of Patent: March 30, 1999Assignee: OM CorporationInventors: Hiroshi Goto, Tatuji Ishikawa, Masahide Takisawa, Toshihiro Koyama
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Patent number: 5832950Abstract: In a fuel interruption device for a fuel tank, a main valve is prevented from opening as a result of the action of an auxiliary valve during closure of the main valve; and more specifically, an auxiliary valve which is caused to move up and down by a float and a main valve which moves up and down in linkage with the up and down movement of the auxiliary valve are accommodated inside a casing which allows the inflow and outflow of liquid fuel and is provided at the end of a passage which connects the fuel tank and canister; a linking projection is provided on one of the valves, that is, either the auxiliary valve or the main valve, so that the main valve moves in linkage with the auxiliary valve in an action that is either advanced or retarded within a predetermined range, and a projection regulating groove into which the linking projection is inserted so that the projection can change its position within the range is formed in the other valve; and auxiliary valve seat and main valve seat open independently inType: GrantFiled: September 10, 1996Date of Patent: November 10, 1998Assignee: OM CorporationInventors: Shinya Shimada, Hiroshi Takaki, Yujiro Hayashi
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Patent number: 5771637Abstract: A lower sash installed inside a door panel of, for instance, the door of an automobile so as to guide and hold window glass that is accommodated inside the door panel, the lower sash having a structure in which the sash has a channel shape in cross section comprising an outer-panel-side outer wing and an inner-panel-side inner wing formed as an integral part on either side of a frame plate, truss-form openings are formed in the frame plate, glass guides, which are elastic projections and respectively face the outer wing and inner wing, are arranged in an alternating manner so as to positionally correspond to the truss-form openings, and the wall thickness of the outer wing or inner wing is made thicker at a lower panel attachment end than the upper door sash end; and these elements are molded into an integral plastic unit.Type: GrantFiled: March 3, 1997Date of Patent: June 30, 1998Assignee: OM CorporationInventors: Hiroshi Oikawa, Hiroshi Funada, Hiromitsu Yoshida
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Patent number: 5724947Abstract: In a fuel pump unit, to solve (1) the problem of a valve of a reserver opening unnecessarily due to vibrations from outside or the like and (2) the problem of it not being possible to supply to an engine remaining fuel having fallen to below a minimum intake level, a main tank valve and a reserve valve respectively close from above a main fuel inlet connecting with a fuel intake passage of the fuel pump unit and an auxiliary fuel inlet connecting with the fuel intake passage and a rocking member having a force point pivotally attached to the main tank valve and having the action of pushing up the reserve valve with an action point and thereby opening the auxiliary fuel inlet when the main tank valve closes the main fuel inlet is provided and a sub-float for descending and pushing down the reserve valve from above when excess fuel in the reserver runs out is disposed in the reserver.Type: GrantFiled: March 13, 1997Date of Patent: March 10, 1998Assignee: OM CorporationInventors: Hiroshi Takaki, Yujiro Hayashi
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Patent number: 5613303Abstract: An oil level gauge having a simple structure so as to be readily assembled, an accidental disconnection of a handle from a rod being prevented, favorable contact between a rubber packing and an inner wall of a gauge insertion pipe being assured, and a reliable water-proof arrangement being obtained to prevent water from entering into an oil tank. The oil level gauge includes a rod including an oil level indicator at its lower end, a handle provided at an upper portion of the rod, and a rubber packing fitted on the rod in the vicinity of the handle; and these components are tightly assembled each other via a pressing force provided by the rubber packing which is being compressed.Type: GrantFiled: July 14, 1995Date of Patent: March 25, 1997Assignee: OM CorporationInventors: Shigeru Kayano, Kyokuichi Sato
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Patent number: 5509569Abstract: An air-tight filler neck cap wherein an operating torque is amplified to obtain a large tightening torque including an outer cap of the filler neck which includes a knob and a cover grip which is engaged with a body of an automobile to thereby prevent the cover grip from rotating and an inner cap of the filler neck cap which is moved in association with the outer cap by a planetary gear mechanism. The planetary gear mechanism includes a sun gear, planet gears and a ring gear located on a carrier disk plate which is rotatably attached to an upper face of the inner cap.Type: GrantFiled: December 13, 1994Date of Patent: April 23, 1996Assignee: OM CorporationInventors: Takanari Hiranuma, Kyokuichi Sato
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Patent number: 5447175Abstract: A fuel delivery device is reduced in size by reducing the size of a float, and has reliability in operating its valve means and favorable response of the valve means, and general applicability to various vehicle types. As for a manufacturing method of the device, ultrasonic welding with resin which is the most preferable method considering the material and the cost is employed so that the designed valve opening/closing reliability and response can be easily achieved. For realizing such a device, this invention provides a multi-stage valve assembly in which a plurality of valves are provided, the uppermost valve is connected to a float, and slide members which have stoppers provided on the distal ends thereof and are provided on one of the valves which make a pair, are inserted in guide members provided on the other valve in such a manner that the stoppers can be engaged with the guide members.Type: GrantFiled: April 22, 1994Date of Patent: September 5, 1995Assignee: OM CorporationInventors: Hiroshi Takaki, Seiichi Takatsuka
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Patent number: 5437317Abstract: A ventilation line opening/closing device for a fuel tank wherein opening/closing valve is provided in a ventilation line for vapor leading from the fuel tank to a canister. The opening/closing valve includes a closure device for closing the valve by opening a shutter when a fuel supplying nozzle is inserted into a filler port. The valve remains closed even when the fuel supplying nozzle is removed from the filler port and is only opened by an opening device for opening the valve when the filler cap is tightly fitted into the filler port.Type: GrantFiled: January 4, 1994Date of Patent: August 1, 1995Assignee: Om CorporationInventors: Seiichi Takatsuka, Yukihiro Tsugita, Kyokuichi Sato