Patents by Inventor Yasuzumi Taba
Yasuzumi Taba 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).
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Patent number: 11332330Abstract: A sheet feeding apparatus includes a first detection device that outputs a first signal upon detecting a stacked sheet and outputs a second signal upon detecting no sheet, and a second detection device that outputs a third signal when a sheet stacking member is above a predetermined position and outputs a fourth signal in a case where the stacking member is below the predetermined position A control unit controls movement of sheet stacking member by restricting movement of the stacking member when the second signal is output and the third signal is output when power of the sheet feeding apparatus is turned on. The second detection device includes a switch that emits the third signal while abutting a moving member that moves with the sheet stacking member and emits the fourth signal while being separated from the moving member.Type: GrantFiled: October 22, 2019Date of Patent: May 17, 2022Assignee: CANON KABUSHIKI KAISHAInventor: Yasuzumi Taba
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Publication number: 20200148490Abstract: A first detection device is configured to output a first signal upon detecting a sheet stacked on a stacking member in a storage portion and to output a second signal upon detecting no sheet. A second detection device is configured to output a third signal in a case where the stacking member is above a predetermined position and to output a fourth signal in a case where the stacking member is below the predetermined position. A packing member is detachably attached to the storage portion. A regulation member is configured to retain the second detection device such that the second detection device outputs the third signal. A control unit is configured to restrict movement of the stacking member in a case where the first detection device outputs the second signal and the second detection device outputs the third signal when power of a sheet feeding apparatus is turned on.Type: ApplicationFiled: October 22, 2019Publication date: May 14, 2020Inventor: Yasuzumi Taba
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Patent number: 9448526Abstract: When an operation member is moved in a state in which a cartridge is mounted to an apparatus main body of an image forming apparatus, a cartridge supporting member is rotated away from a transfer member so that the cartridge is rotated and enters a state in which the cartridge is inclined at an angle ?1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and enters a state in which the exposure device is inclined at an angle ?2 higher than the angle ?1 with respect to the transfer member.Type: GrantFiled: June 16, 2015Date of Patent: September 20, 2016Assignee: Canon Kabushkik KaishaInventor: Yasuzumi Taba
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Patent number: 9176466Abstract: When an operation member is moved in a state in which a cartridge is mounted to an apparatus main body of an image forming apparatus, a cartridge supporting member is rotated away from a transfer member so that the cartridge is rotated and enters a state in which the cartridge is inclined at an angle ?1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and enters a state in which the exposure device is inclined at an angle ?2 higher than the angle ?1 with respect to the transfer member.Type: GrantFiled: February 12, 2014Date of Patent: November 3, 2015Assignee: Canon Kabushiki KaishaInventor: Yasuzumi Taba
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Publication number: 20150286184Abstract: When an operation member is moved in a state in which a cartridge is mounted to an apparatus main body of an image forming apparatus, a cartridge supporting member is rotated away from a transfer member so that the cartridge is rotated and enters a state in which the cartridge is inclined at an angle ?1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and enters a state in which the exposure device is inclined at an angle ?2 higher than the angle ?1 with respect to the transfer member.Type: ApplicationFiled: June 16, 2015Publication date: October 8, 2015Inventor: Yasuzumi Taba
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Publication number: 20140227004Abstract: When an operation member is moved in a state in which a cartridge is mounted to an apparatus main body of an image forming apparatus, a cartridge supporting member is rotated away from a transfer member so that the cartridge is rotated and enters a state in which the cartridge is inclined at an angle ?1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and enters a state in which the exposure device is inclined at an angle ?2 higher than the angle ?1 with respect to the transfer member.Type: ApplicationFiled: February 12, 2014Publication date: August 14, 2014Applicant: CANON KABUSHIKI KAISHAInventor: Yasuzumi Taba
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Patent number: 8688002Abstract: An image forming apparatus to which a cartridge having a photosensitive drum is detachably mounted. A cartridge supporting member supports the cartridge mounted to a main body of the apparatus, and an operation member is operated to be moved when the cartridge is mounted. When the operation member is moved in a state in which the cartridge is mounted, the cartridge supporting member is rotated away from the transfer member so that the cartridge is rotated and inclined at an angle ?1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and is inclined at an angle ?2 greater than the angle ?1 with respect to the transfer member, so that the cartridge is allowed to be detachable from the main body of the apparatus.Type: GrantFiled: May 24, 2011Date of Patent: April 1, 2014Assignee: Canon Kabushiki KaishaInventor: Yasuzumi Taba
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Publication number: 20110299885Abstract: When an operation member is moved in a state in which a cartridge is mounted to an apparatus main body of an image forming apparatus, a cartridge supporting member is rotated away from a transfer member so that the cartridge is rotated and enters a state in which the cartridge is inclined at an angle ?1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and enters a state in which the exposure device is inclined at an angle ?2 higher than the angle ?1 with respect to the transfer member.Type: ApplicationFiled: May 24, 2011Publication date: December 8, 2011Applicant: CANON KABUSHIKI KAISHAInventor: Yasuzumi Taba
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Patent number: 7922171Abstract: A slide cassette is slidably provided in a main cassette of a sheet cassette. When a sheet with a size larger than that of a sheet which may be stored in the main cassette is stored, the slide cassette is sled and moved to extend the sheet cassette. There is provided a fixing portion which may fix the slide cassette and the main cassette in a state in which the sheet cassette is in a shortened or an extended state by sliding the slide cassette. The fixing portion releases the fixing by an operation in which the slide cassette is sled in a shortening direction or extending direction.Type: GrantFiled: January 24, 2008Date of Patent: April 12, 2011Assignee: Canon Kabushiki KaishaInventors: Koji Kawamura, Yasuzumi Taba
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Publication number: 20080179820Abstract: A slide cassette is slidably provided in a main cassette of a sheet cassette. When a sheet with a size larger than that of a sheet which may be stored in the main cassette is stored, the slide cassette is sled and moved to extend the sheet cassette. There is provided a fixing portion which may fix the slide cassette and the main cassette in a state in which the sheet cassette is in a shortened or an extended state by sliding the slide cassette. The fixing portion releases the fixing by an operation in which the slide cassette is sled in a shortening direction or extending direction.Type: ApplicationFiled: January 24, 2008Publication date: July 31, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Koji Kawamura, Yasuzumi Taba
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Patent number: 7347420Abstract: A sheet transport apparatus which includes a sheet transport path for transporting a sheet, and a regulation member. The regulation member is provided in the sheet transport path, and is brought into contact with a swelling portion occurring on a surface of an envelope in the event that the envelope is transported as the sheet, such that the swelling portion can be pressed.Type: GrantFiled: February 20, 2004Date of Patent: March 25, 2008Assignee: Canon Kabushiki KaishaInventors: Shinsuke Kobayashi, Michihito Yamazaki, Yasuzumi Taba
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Patent number: 7177566Abstract: An image forming apparatus includes: a conveying unit for conveying a recording material on which an image is to be formed; and a pair of side members provided on both sides of the recording material conveyed by the conveying unit, in which the pair of side members each have a first surface portion and a second surface portion that extends in a direction different from the first surface portion, the first surface portion of one of the pair of side members being opposed to that of the other, and in which the conveying unit is attached to the second surface portion of each of the pair of side members, whereby the maintenance property of the conveying unit for conveying the recording material is improved.Type: GrantFiled: August 30, 2004Date of Patent: February 13, 2007Assignee: Canon Kabushiki KaishaInventors: Shinya Noda, Takeshi Niimura, Ken Murooka, Takaaki Kawade, Hideki Miyazaki, Yasuzumi Taba, Atsushi Oguni, Tatsuo Hamada
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Patent number: 6909494Abstract: A sheet supply portion is disposed in the lowermost portion of a printer so as to be substantially horizontal. A main conveying path for guiding a sheet from a transferring roller to a fixing device is disposed in a substantially vertical direction so as to be along the back of the printer. The guide surface of a sheet delivery guide constituting a conveying path leading from the fixing device to a pair of sheet delivery rollers is a flat surface.Type: GrantFiled: February 4, 2004Date of Patent: June 21, 2005Assignee: Canon Kabushiki KaishaInventors: Shinya Noda, Takaaki Kawade, Ken Murooka, Takeshi Niimura, Tatsuo Hamada, Yasuzumi Taba, Hideki Miyazaki
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Publication number: 20050069340Abstract: An image forming apparatus includes: a conveying unit for conveying a recording material on which an image is to be formed; and a pair of side members provided on both sides of the recording material conveyed by the conveying unit, in which the pair of side members each have a first surface portion and a second surface portion that extends in a direction different from the first surface portion, the first surface portion of one of the pair of side members being opposed to that of the other, and in which the conveying unit is attached to the second surface portion of each of the pair of side members, whereby the maintenance property of the conveying unit for conveying the recording material is improved.Type: ApplicationFiled: August 30, 2004Publication date: March 31, 2005Inventors: Shinya Noda, Takeshi Niimura, Ken Murooka, Takaaki Kawade, Hideki Miyazaki, Yasuzumi Taba, Atsushi Oguni, Tatsuo Hamada
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Publication number: 20040169329Abstract: A sheet transport apparatus which includes a sheet transport path for transporting a sheet, and a regulation member. The regulation member is provided in the sheet transport path, and is brought into contact with a swelling portion occurring on a surface of an envelope in the event that the envelope is transported as the sheet, such that the swelling portion can be pressed.Type: ApplicationFiled: February 20, 2004Publication date: September 2, 2004Applicant: Canon Kabushiki KaishaInventors: Shinsuke Kobayashi, Michihito Yamazaki, Yasuzumi Taba
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Publication number: 20040156031Abstract: A sheet supply portion is disposed in the lowermost portion of a printer so as to be substantially horizontal. A main conveying path for guiding a sheet from a transferring roller to a fixing device is disposed in a substantially vertical direction so as to be along the back of the printer. The guide surface of a sheet delivery guide constituting a conveying path leading from the fixing device to a pair of sheet delivery rollers is a flat surface.Type: ApplicationFiled: February 4, 2004Publication date: August 12, 2004Applicant: Canon Kabushiki KaishaInventors: Shinya Noda, Takaaki Kawade, Ken Murooka, Takeshi Niimura, Tatsuo Hamada, Yasuzumi Taba, Hideki Miyazaki
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Patent number: RE44947Abstract: A slide cassette is slidably provided in a main cassette of a sheet cassette. When a sheet with a size larger than that of a sheet which may be stored in the main cassette is stored, the slide cassette is sled and moved to extend the sheet cassette. There is provided a fixing portion which may fix the slide cassette and the main cassette in a state in which the sheet cassette is in a shortened or an extended state by sliding the slide cassette. The fixing portion releases the fixing by an operation in which the slide cassette is sled in a shortening direction or extending direction.Type: GrantFiled: April 5, 2013Date of Patent: June 17, 2014Assignee: Canon Kabushiki KaishaInventors: Koji Kawamura, Yasuzumi Taba