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Hironori Yamamoto, Okayama JP

Hironori Yamamoto, Okayama JP

Patent application numberDescriptionPublished
20080265521Combination seal - A combination seal is attached to a bearing comprising a fixed element and a rotating element which rotate relative to each other, so as to seal an inner side and an outer side of the bearing. The combination seal is comprised of a seal ring and a slinger. The seal ring is comprised of a reinforcing ring and an elastic seal supported by the reinforcing ring. A leading end side of the elastic seal, supported by the reinforcing ring extending toward the slinger, is brought into contact with a surface of the slinger, which is opposite to the seal ring, when the combination seal is attached to the bearing. During a combining work process, when combining the seal ring and the slinger to form the combination seal, a seal lip does not turn over and the seal lip can be held toward a predetermined direction without using a specific jig during the combining work process and without being particularly careful during performance of the combining work process.10-30-2008
20090020960ENCODER-EQUIPPED SEALING DEVICE - An encoder-equipped sealing device includes two seal members arranged to face opposite each other and each having a reinforcing ring with an L-shaped cross section. Each of the reinforcing rings has a cylindrical portion and a flange portion extending from one end of the cylindrical portion in a direction perpendicular to the cylindrical portion. One seal member includes an elastic seal formed in such a manner as to be supported by the reinforcing ring of this seal member, with the elastic seal extending toward the other seal member such that a seal portion is formed between the elastic seal and the other seal member. The other seal member includes an encoder on a side of the flange portion of the other seal member that is opposite a side facing the one seal member. The one seal member includes an elastic element formed in such a manner as to be supported by the flange portion of this seal member. The elastic element is formed on a side of the flange portion of the one seal member that is opposite a side facing the other seal member.01-22-2009
20090200746Encoder-equipped sealing device - An encoder-equipped sealing device, that is, a sealing device that has an encoder incorporated therein is disclosed, which comprises a combination of seal elements, each of which includes an annular metal core having a substantially L-shaped cross section and including a cylindrical portion and a flange portion provided on one end of the cylindrical portion and extending in a direction perpendicular to a direction in which the cylindrical portion extends. One seal element, of the two seal elements, and the other seal element are combined such that a space defined by the cylindrical portion and flange portion of the one seal element, and a space defined by the cylindrical portion and flange portion of the other seal element, face opposite each other, wherein the one seal element further includes an elastic seal portion provided on the flange portion and arranged in the space defined by the cylindrical portion and flange portion, and the other seal element further includes a magnet-based encoder provided on the flange portion. The one seal element further includes a projecting portion on an end of the cylindrical portion on a side on which the flange portion is located and extending beyond a side of the flange portion opposite a side on which the seal portion is located and in a direction in which the cylindrical portion extends.08-13-2009
20090206556Combination seal - A combination seal is attached to a bearing comprising a fixed element and a rotating element which rotate relative to each other, so as to seal an inner side and an outer side of the bearing. The combination seal is comprised of a seal ring and a slinger. The seal ring is comprised of a reinforcing ring and an elastic seal supported by the reinforcing ring. A leading end side of the elastic seal, supported by the reinforcing ring extending toward the slinger, is brought into contact with a surface of the slinger, which is opposite to the seal ring, when the combination seal is attached to the bearing. During a combining work process, when combining the seal ring and the slinger to form the combination seal, a seal lip does not turn over and the seal lip can be held toward a predetermined direction without using a specific jig during the combining work process and without being particularly careful during performance of the combining work process.08-20-2009
20100090411Sealing device - A sealing device for sealing a space between a rotary side member and a stationary side member which comprises a slinger with a specific structure is disclosed. The sealing device comprises a slinger fixedly fitted to a rotary side member, a core member fixedly fitted to a stationary side member, and an elastic sealing member fixed to the core member and having a seal lip which elastically and slidably contacts the slinger in which the slinger is characterized by comprising a fitting cylindrical portion to be fitted into said rotary side member, a brim portion extending its radial direction at one end of its outside relative to a sealed portion of the fitting cylindrical portion, and a rotary side fixing member fixed to the brim portion; and further characterized by being made in such a manner that an adhesive layer is formed on its whole surface including a contacting side surface where said seal lip contacts by applying adhesive agent thereon, then the fixing member is integrally fixed thereto, thereafter the adhesive layer is partially removed only in the contacting side surface.04-15-2010
20100148451ENCODER-EQUIPPED SEALING DEVICE - An encoder-equipped sealing device includes two seal members arranged to face opposite each other and each having a reinforcing ring with an L-shaped cross section. Each of the reinforcing rings has a cylindrical portion and a flange portion extending from one end of the cylindrical portion in a direction perpendicular to the cylindrical portion. One seal member includes an elastic seal formed in such a manner as to be supported by the reinforcing ring of this seal member, with the elastic seal extending toward the other seal member such that a seal portion is formed between the elastic seal and the other seal member. The other seal member includes an encoder on a side of the flange portion of the other seal member that is opposite a side facing the one seal member. The one seal member includes an elastic element formed in such a manner as to be supported by the flange portion of this seal member. The elastic element is formed on a side of the flange portion of the one seal member that is opposite a side facing the other seal member.06-17-2010
20100164184Encoder-equipped sealing device - An encoder-equipped sealing device, that is, a sealing device that has an encoder incorporated therein is disclosed, which comprises a combination of seal elements, each of which includes an annular metal core having a substantially L-shaped cross section and including a cylindrical portion and a flange portion provided on one end of the cylindrical portion and extending in a direction perpendicular to a direction in which the cylindrical portion extends. One seal element, of the two seal elements, and the other seal element are combined such that a space defined by the cylindrical portion and flange portion of the one seal element, and a space defined by the cylindrical portion and flange portion of the other seal element, face opposite each other, wherein the one seal element further includes an elastic seal portion provided on the flange portion and arranged in the space defined by the cylindrical portion and flange portion, and the other seal element further includes a magnet-based encoder provided on the flange portion. The one seal element further includes a projecting portion on an end of the cylindrical portion on a side on which the flange portion is located and extending beyond a side of the flange portion opposite a side on which the seal portion is located and in a direction in which the cylindrical portion extends.07-01-2010
20100276891COMBINATION SEAL - A combination seal is attached to a bearing comprising a fixed element and a rotating element which rotate relative to each other, so as to seal an inner side and an outer side of the bearing. The combination seal is comprised of a seal ring and a slinger. The seal ring is comprised of a reinforcing ring and an elastic seal supported by the reinforcing ring. A leading end side of the elastic seal, supported by the reinforcing ring extending toward the slinger, is brought into contact with a surface of the slinger, which is opposite to the seal ring, when the combination seal is attached to the bearing. During a combining work process, when combining the seal ring and the slinger to form the combination seal, a seal lip does not turn over and the seal lip can be held toward a predetermined direction without using a specific jig during the combining work process and without being particularly careful during performance of the combining work process.11-04-2010

Patent applications by Hironori Yamamoto, Okayama JP