Patents by Inventor Jyun ENTA
Jyun ENTA 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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Publication number: 20230211483Abstract: A driver including: an ejection part to which a fastener is supplied; a driver blade which moves from a first position toward a second position and drives the fastener into a driven member; and a rack provided to the driver blade. The driver further includes: a rotary component engaging with the rack and moving the driver blade from the second position to the first position; and a lock plate engaging with the rack. The driver blade moves from the second position to the first position while the rotary component rotates once, the rotary component is released from engaging with the rack after the driver blade moves from the second position to the first position, and moves from the first position to the second position, and the lock plate is engageable with the rack when the driver blade stops before reaching the second position from the first position.Type: ApplicationFiled: February 23, 2023Publication date: July 6, 2023Inventors: Shinichiro SATO, Takashi UEDA, Yutaka ITO, Jyun ENTA, Toshinori YASUTOMI, Yoshiichi KOMAZAKI, Kenji KOBORI
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Patent number: 11590638Abstract: A driver including: an ejection part to which a fastener is supplied; a driver blade which moves from a first position toward a second position and drives the fastener into a driven member; and a rack provided to the driver blade. The driver further includes: a rotary component engaging with the rack and moving the driver blade from the second position to the first position; and a lock plate engaging with the rack. The driver blade moves from the second position to the first position while the rotary component rotates once, the rotary component is released from engaging with the rack after the driver blade moves from the second position to the first position, and moves from the first position to the second position, and the lock plate is engageable with the rack when the driver blade stops before reaching the second position from the first position.Type: GrantFiled: October 16, 2020Date of Patent: February 28, 2023Assignee: KOKI HOLDINGS CO., LTD.Inventors: Shinichiro Sato, Takashi Ueda, Yutaka Ito, Jyun Enta, Toshinori Yasutomi, Yoshiichi Komazaki, Kenji Kobori
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Publication number: 20210031347Abstract: A driver including: an ejection part to which a fastener is supplied; a driver blade which moves from a first position toward a second position and drives the fastener into a driven member; and a rack provided to the driver blade. The driver further includes: a rotary component engaging with the rack and moving the driver blade from the second position to the first position; and a lock plate engaging with the rack. The driver blade moves from the second position to the first position while the rotary component rotates once, the rotary component is released from engaging with the rack after the driver blade moves from the second position to the first position, and moves from the first position to the second position, and the lock plate is engageable with the rack when the driver blade stops before reaching the second position from the first position.Type: ApplicationFiled: October 16, 2020Publication date: February 4, 2021Inventors: Shinichiro SATO, Takashi UEDA, Yutaka ITO, Jyun ENTA, Toshinori YASUTOMI, Yoshiichi KOMAZAKI, Kenji KOBORI
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Patent number: 10843317Abstract: A driver including: an ejection part to which a fastener is supplied; a driver blade which moves from a first position toward a second position and drives the fastener into a driven member; and a rack provided to the driver blade. The driver further includes: a rotary component engaging with the rack and moving the driver blade from the second position to the first position; and a lock plate engaging with the rack. The driver blade moves from the second position to the first position while the rotary component rotates once, the rotary component is released from engaging with the rack after the driver blade moves from the second position to the first position, and moves from the first position to the second position, and the lock plate is engageable with the rack when the driver blade stops before reaching the second position from the first position.Type: GrantFiled: June 2, 2016Date of Patent: November 24, 2020Assignee: KOKI HOLDINGS CO., LTD.Inventors: Shinichiro Sato, Takashi Ueda, Yutaka Ito, Jyun Enta, Toshinori Yasutomi, Yoshiichi Komazaki, Kenji Kobori
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Publication number: 20180154505Abstract: A driver including: an ejection part to which a fastener is supplied; a driver blade which moves from a first position toward a second position and drives the fastener into a driven member; and a rack provided to the driver blade. The driver further includes: a rotary component engaging with the rack and moving the driver blade from the second position to the first position; and a lock plate engaging with the rack. The driver blade moves from the second position to the first position while the rotary component rotates once, the rotary component is released from engaging with the rack after the driver blade moves from the second position to the first position, and moves from the first position to the second position, and the lock plate is engageable with the rack when the driver blade stops before reaching the second position from the first position.Type: ApplicationFiled: June 2, 2016Publication date: June 7, 2018Inventors: Shinichiro SATO, Takashi UEDA, Yutaka ITO, Jyun ENTA, Toshinori YASUTOMI, Yoshiichi KOMAZAKI, Kenji KOBORI
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Patent number: 9669536Abstract: A powered working machine facilitating work of fixing a tip tool to a tool supporting member is provided. A powered working machine in which a tip tool is driven by power of an electric-powered motor includes: an output shaft to which the tip tool is attached; a tool fixing member which fixes the tip tool to the output shaft; a second shaft to/from which the tool fixing member is attached/detached; a clamp having a locked state in which a state of attachment of the tool fixing member to the second shaft is maintained and an unlocked state in which the tool fixing member can be detached from the second shaft; and a guide member having a first rotation position at which the clamp is in the locked state and a second rotation position at which the clamp is in the unlocked state.Type: GrantFiled: December 24, 2014Date of Patent: June 6, 2017Assignee: HITACHI KOKI CO., LTD.Inventors: Yutaka Ito, Itsushi Ogawa, Junichi Toukairin, Jyun Enta
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Publication number: 20150194646Abstract: A backpack-type power supply includes a rechargeable battery, a case, and a harness. The case accommodates the rechargeable battery. The case has a surface. By the harness, a user wears the case on a back of the user with the surface facing the back. The surface is formed with a recession and a protrusion.Type: ApplicationFiled: July 4, 2013Publication date: July 9, 2015Inventors: Takuya Yoshinari, Haruhisa Fujisawa, Takafumi Itoh, Naoto Wakatabe, Jyun Enta
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Publication number: 20150183107Abstract: A powered working machine facilitating work of fixing a tip tool to a tool supporting member is provided. A powered working machine in which a tip tool is driven by power of an electric-powered motor includes: an output shaft to which the tip tool is attached; a tool fixing member which fixes the tip tool to the output shaft; a second shaft to/from which the tool fixing member is attached/detached; a clamp having a locked state in which a state of attachment of the tool fixing member to the second shaft is maintained and an unlocked state in which the tool fixing member can be detached from the second shaft; and a guide member having a first rotation position at which the clamp is in the locked state and a second rotation position at which the clamp is in the unlocked state.Type: ApplicationFiled: December 24, 2014Publication date: July 2, 2015Inventors: Yutaka ITO, Itsushi OGAWA, Junichi TOUKAIRIN, Jyun ENTA