Patents by Inventor Kenzo Kusama
Kenzo Kusama 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: 20230060330Abstract: A routing-member guide structure includes a movable member pivotably supported by a fixed-side member; a first routing member routed on or along the movable member; and a guide member to guide the first routing member. The movable member includes a first wall portion and a second wall portion facing each other with an interval therebetween. The guide member is inserted, in a direction intersecting the extending direction of the first routing member having been routed between the first wall portion and the second wall portion, into a space between the first wall portion and the second wall portion and is fixed to the movable member so as to guide the first routing member between the first wall portion and the guide member.Type: ApplicationFiled: November 9, 2022Publication date: March 2, 2023Applicant: KUBOTA CORPORATIONInventors: Akihiro ICHIHARA, Kenzo KUSAMA, Junichi FUJIWARA
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Patent number: 11230212Abstract: A floor mat arranged in a working machine includes a floor portion, a wall portion arranged on a circumferential portion of the floor portion, and an opening portion arranged on a part of a connecting portion of the wall portion, the connecting portion connecting to the floor portion. The floor mat includes a mat main body arranged on the floor portion, a covering portion configured to cover the opening portion, and an connecting portion configured to connect the covering portion flexibly to a circumferential portion of the mat main body.Type: GrantFiled: December 21, 2018Date of Patent: January 25, 2022Assignee: KUBOTA CORPORATIONInventors: Akihiro Ichihara, Kenzo Kusama, Kasumi Inagaki, Hironobu Konishi, Kazuya Oi, Tadayoshi Umemoto, Shota Sakamoto, Shohei Tanaka, Masahiro Aihara, Yuta Yamada, Yoshiki Takizawa, Takuya Sakuta, Kenichi Saiki, Tokio Sakata
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Publication number: 20190119883Abstract: A floor mat arranged in a working machine includes a floor portion, a wall portion arranged on a circumferential portion of the floor portion, and an opening portion arranged on a part of a connecting portion of the wall portion, the connecting portion connecting to the floor portion. The floor mat includes a mat main body arranged on the floor portion, a covering portion configured to cover the opening portion, and an connecting portion configured to connect the covering portion flexibly to a circumferential portion of the mat main body.Type: ApplicationFiled: December 21, 2018Publication date: April 25, 2019Applicant: KUBOTA CORPORATIONInventors: Akihiro ICHIHARA, Kenzo KUSAMA, Kasumi INAGAKI, Hironobu KONISHI, Kazuya OI, Tadayoshi UMEMOTO, Shota SAKAMOTO, Shohei TANAKA, Masahiro AIHARA, Yuta YAMADA, Yoshiki TAKIZAWA, Takuya SAKUTA, Kenichi SAIKI, Tokio SAKATA
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Patent number: 10190284Abstract: A boom for a working machine, the boom including a main body formed by connecting upper parts of a left and right pair of sidewall parts to each other through a top wall part, and connecting lower parts of the left and right side wall parts to each other through a bottom wall part, the boom being provided with a partition inside the main body and in a longitudinal middle of the main body. A hydraulic hose is inserted in a hole within the partition. The partition includes a lower plate part that is welded to the bottom wall part, as well as a vertical plate part that is raised from the lower plate part and welded to the sidewall parts. The hose hole is formed from the vertical plate part to the lower plate part via a bending part between the vertical plate part and the lower plate part.Type: GrantFiled: October 14, 2016Date of Patent: January 29, 2019Assignee: KUBOTA CORPORATIONInventor: Kenzo Kusama
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Patent number: 10156056Abstract: A boom for a working machine, the boom including a main body formed by connecting upper parts of a left and right pair of sidewall parts to each other through a top wall part, and connecting lower parts of the left and right side wall parts to each other through a bottom wall part, the boom being provided with a partition inside the main body and in a longitudinal middle of the main body. A hydraulic hose is inserted in a hole within the partition. The partition includes a lower plate part that is welded to the bottom wall part, as well as a vertical plate part that is raised from the lower plate part and welded to the sidewall parts. The hose hole is formed from the vertical plate part to the lower plate part via a bending part between the vertical plate part and the lower plate part.Type: GrantFiled: October 14, 2016Date of Patent: December 18, 2018Assignee: KUBOTA CORPORATIONInventor: Kenzo Kusama
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Publication number: 20170030049Abstract: In the case of arranging hydraulic hoses inside a boom, to make it possible for the hydraulic hoses to smoothly move along part of a hose introduction hole when the boom is vertically swung. On the inner surface side of the upper wall of the body part, an enlarged opening part gradually extending upward from the fore end side toward a forked side is formed, whereas on the outer surface side of the upper surface of the body part, a swelling part extending upward from the fore end side toward the forked side so as to correspond to the upper wall inner surface side, and skirt parts gradually extending downward from the lateral center of the top part of the swelling part toward the upper surfaces of the left and right leg parts are formed.Type: ApplicationFiled: October 14, 2016Publication date: February 2, 2017Inventor: Kenzo KUSAMA
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Patent number: 9534352Abstract: Boom for a working machine includes a forked base support pivotally supported by a machine body. A base support of the boom has a hose introduction hole for inserting a hydraulic hose from the machine body into the boom main body. A swelling part extends upward from a fore end side toward a forked side so as to correspond to an inner surface side of an upper wall and skirt parts extend downward from a lateral center of a top part of the swelling part toward upper surfaces of left and right leg parts.Type: GrantFiled: June 24, 2014Date of Patent: January 3, 2017Assignee: KUBOTA CORPORATIONInventor: Kenzo Kusama
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Publication number: 20150003949Abstract: In the case of arranging hydraulic hoses inside a boom, to make it possible for the hydraulic hoses to smoothly move along part of a hose introduction hole when the boom is vertically swung. On the inner surface side of the upper wall of the body part, an enlarged opening part gradually extending upward from the fore end side toward a forked side is formed, whereas on the outer surface side of the upper surface of the body part, a swelling part extending upward from the fore end side toward the forked side so as to correspond to the upper wall inner surface side, and skirt parts gradually extending downward from the lateral center of the top part of the swelling part toward the upper surfaces of the left and right leg parts are formed.Type: ApplicationFiled: June 24, 2014Publication date: January 1, 2015Inventor: Kenzo KUSAMA
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Patent number: 8267217Abstract: A swivel frame for a swivel work machine includes a swivel base plate supported on a traveling machine body to be pivotable about a swivel axis and mounting an engine at a rear portion thereof, a support bracket provided at a front end of the swivel base plate for supporting an excavator, a partition wall provided on the swivel base plate for partitioning space forwardly of the engine in the fore/aft direction, and a pair of right and left vertical ribs provided on the swivel base plate for interconnecting the support bracket and the partition wall. The swivel base plate is divided into a rear plate portion on the rear side thereof and a front plate portion on the front side thereof, the rear plate portion being formed of a plate thinner than the front plate portion. The rear plate portion and the front plate portion are fixedly connected to each other in such in a manner that upper surfaces thereof are flush each other. A rear portion of the front plate portion projects more rearward than the partition wall.Type: GrantFiled: September 21, 2010Date of Patent: September 18, 2012Assignee: Kubota CorporationInventors: Satoru Kotani, Kenichi Saiki, Kenzo Kusama, Sho Ikeda
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Publication number: 20110074182Abstract: A swivel frame for a swivel work machine includes a swivel base plate supported on a traveling machine body to be pivotable about a swivel axis and mounting an engine at a rear portion thereof, a support bracket provided at a front end of the swivel base plate for supporting an excavator, a partition wall provided on the swivel base plate for partitioning space forwardly of the engine in the fore/aft direction, and a pair of right and left vertical ribs provided on the swivel base plate for interconnecting the support bracket and the partition wall. The swivel base plate is divided into a rear plate portion on the rear side thereof and a front plate portion on the front side thereof, the rear plate portion being formed of a plate thinner than the front plate portion. The rear plate portion and the front plate portion are fixedly connected to each other in such in a manner that upper surfaces thereof are flush each other. A rear portion of the front plate portion projects more rearward than the partition wall.Type: ApplicationFiled: September 21, 2010Publication date: March 31, 2011Applicant: KUBOTA CORPORATIONInventors: Satoru Kotani, Kenichi Saiki, Kenzo Kusama, Sho Ikeda
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Patent number: D792480Type: GrantFiled: October 28, 2016Date of Patent: July 18, 2017Assignee: Kubota CorporationInventors: Ryo Hashimoto, Junta Kuwae, Kenzo Kusama, Kenichi Saiki
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Patent number: D792481Type: GrantFiled: October 28, 2016Date of Patent: July 18, 2017Assignee: Kubota CorporationInventors: Ryo Hashimoto, Kenzo Kusama, Kenichi Saiki
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Patent number: D806137Type: GrantFiled: October 28, 2016Date of Patent: December 26, 2017Assignee: Kubota CorporationInventors: Ryo Hashimoto, Kenzo Kusama, Akihiro Ichihara