Patents by Inventor Hiroshi Tabeta
Hiroshi Tabeta 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: 20140161578Abstract: An operator's seat mounting section (11) that is positioned in back side of a floor member (10) includes a seat plate (11D) for mounting an operator's seat (14) and an equipment mounting part (11F) that rises upward from the right side of the seat plate (11D), and a right operating lever assembly (16) is provided in front of the equipment mounting part (11F). A controller accommodating space (21) is provided to be positioned in back side of a console (16A) of the right operating lever assembly (16) and between a side surface (11F1) of the equipment mounting part (11F) of the operator's seat mounting section (11) and the operator's seat (14), and a controller (27) is mounted in the controller accommodating space (21) to control various kinds of electric equipment.Type: ApplicationFiled: October 3, 2012Publication date: June 12, 2014Inventors: Shogo Kimura, Hiroshi Tabeta
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Publication number: 20140124280Abstract: On a seat base (11) of a floor member (10), a rear surface plate (11C), an operator's seat mounting plate (11D) on which an operator's seat (17) is mounted at a position higher than a footrest area (12) on which the foot is placed, and a duct accommodating space (14) formed in the vertical direction among the rear surface plate (11C), the operator's seat mounting plate (11D), and a rear position (12B) of the footrest area (12) are provided. An indoor air inlet duct (23) having the front surface side opened as a filter fitting hole (25) and introducing air in an occupying space (21) toward an indoor unit (22) of an air-conditioning unit is provided on the duct accommodating space (14). An indoor air filter (26) for catching dusts in the air is provided on the filter fitting hole (25) of the indoor air inlet duct (23).Type: ApplicationFiled: July 9, 2012Publication date: May 8, 2014Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta
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Publication number: 20140070568Abstract: A floor member comprises a lever-pedal mounting part in a front side, an operator's seat mounting part in a rear side, an indoor unit mounting surface part on which an indoor unit is mounted under the operator's seat mounting part, an entrance surface part which is provided in a door side between the indoor unit mounting surface part and the lever-pedal mounting part and on which an operator places a foot at getting-in/off, and a foot rest part which is surrounded by the lever-pedal mounting part, the indoor unit mounting surface part and the entrance surface part. The indoor unit mounting surface part and the entrance surface part form a successive plane successively extending with each other in a position lower by one step than the lever-pedal mounting part and the foot rest part.Type: ApplicationFiled: June 13, 2012Publication date: March 13, 2014Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroshi Tabeta, Shogo Kimura
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Patent number: 8632122Abstract: A floor member is formed by a seat support platform on a rear side and a footrest area located on a front side of the seat support platform, and a cab box is formed by a front panel, a rear panel, a left front side panel, a left rear side panel, a right side panel, and a top panel. A right reinforcing panel is provided at a right side position of the floor member and rises upwardly of the footrest area. The right side panel of the cab box corresponding to this right reinforcing panel is provided with a notched portion for avoiding interference with the right reinforcing panel. Accordingly, since the strength at the right side position of the floor member can be enhanced by the right reinforcing panel, it is possible to prevent deformation such as torsion and distortion when the floor member is tilted up.Type: GrantFiled: September 21, 2010Date of Patent: January 21, 2014Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Shougo Kimura, Hajime Ishii, Tomoyuki Tanaka, Hiroshi Tabeta
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Patent number: 8616619Abstract: A suction duct (19) provided in a floor member (9) comprises an internal air duct portion (20) connected to the internal air inlet port (10A3), an external air duct portion (21) connected to an external air inlet port (10E3), and a common duct portion (22) for connecting the internal air duct portion (20) and the external air duct portion (21) to a blower fan 18B suction side of an air conditioner unit (18). The suction duct is constructed to form a hollow column (23) having a hollow closed section structure with the internal air duct portion and the common duct portion formed integrally in the upper and lower directions. Therefore, the hollow column formed of the hollow closed section structure can increase strength of the floor member as a strong column while circulating internal air between the internal air inlet port and the air conditioner unit.Type: GrantFiled: March 11, 2011Date of Patent: December 31, 2013Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Shougo Kimura, Hajime Ishii, Hiroshi Tabeta
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Publication number: 20130302125Abstract: An upper revolving structure is provided with a revolving frame, a floor member, and a cab box. On this, an indoor unit for an air conditioner is provided on the floor member, and an outdoor air inlet port is provided by being opened to the outside of the cab box. An outdoor air duct is provided for supplying outdoor air introduced through the outdoor air inlet port toward the indoor unit. In this duct, an intermediate portion is arranged at a high position on the side of an operator's seat, and on this intermediate portion, a filter accommodating portion is provided by being opened into the cab box. In the filter accommodating portion, an outdoor air filter for trapping dusts in the outdoor air flowing through the outdoor air duct is accommodated capable of being attached and removed.Type: ApplicationFiled: January 17, 2012Publication date: November 14, 2013Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroshi Tabeta, Shogo Kimura, Yasuo Ooshima
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Publication number: 20130236281Abstract: An upper revolving structure (3) includes a revolving frame (5), a floor member (9) which is provided on the revolving frame (5) and a front side of which serves as a footrest section (11) on which an operator rests his or her feet, a cab box (17) which forms an operating room (18) above the floor member (9), and an indoor unit (23) disposed on the floor member (9) to supply sucked air as conditioned air. A lower surface (11B) side of the footrest section (11) of the floor member (9) is formed as a unit mounting surface (12), and, as for the indoor unit (23), a box body (24) is disposed on the lower side of the unit mounting surface (12) and, in this state, the box body (24) is mounted on the unit mounting surface (12) by means of a plurality of bolts (32).Type: ApplicationFiled: October 20, 2011Publication date: September 12, 2013Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Hajime Ishii
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Publication number: 20130058747Abstract: [Problem] To provide a construction machine with a step arranged in an operator's cab, which makes it possible to enlarge the shape or dimensions of the step without increasing a swing radius. [Solution] In a compact excavator provided with a step that facilitates ingress to and egress from the operator's cab (6), the step is provided at a part thereof with an outwardly-extending edge portion (12a) that extends out beyond an opening plane (16) forming an ingress/egress opening (20), and a door (5) is provided at a part thereof with a convex part (5a) that covers the outwardly-extending edge portion (12a) of the step when the door (5) is in a closed position.Type: ApplicationFiled: May 24, 2011Publication date: March 7, 2013Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shougo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Hajime Ishii
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Publication number: 20130017048Abstract: A suction duct (19) provided in a floor member (9) comprises an internal air duct portion (20) connected to the internal air inlet port (10A3), an external air duct portion (21) connected to an external air inlet port (10E3), and a common duct portion (22) for connecting the internal air duct portion (20) and the external air duct portion (21) to a blower fan 18B suction side of an air conditioner unit (18). The suction duct is constructed to form a hollow column (23) having a hollow closed section structure with the internal air duct portion and the common duct portion formed integrally in the upper and lower directions. Therefore, the hollow column formed of the hollow closed section structure can increase strength of the floor member as a strong column while circulating internal air between the internal air inlet port and the air conditioner unit.Type: ApplicationFiled: March 11, 2011Publication date: January 17, 2013Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shougo Kimura, Hajime Ishii, Hiroshi Tabeta
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Publication number: 20130011232Abstract: An upper revolving structure is provided on a lower traveling structure, and a floor member and a cab box are provided on a revolving frame of the upper revolving structure. A rear side of the floor member serves as an operator's seat mounting section, and a front side thereof serves as a footrest section, a front side thereof being formed as a lever/pedal mounting section. The footrest section is constituted by a flat operator's seat front plate which is provided on a front side of the operator's seat, a downward plate which is set downward from a left side end portion of the operator's seat front plate on a left side of the cab box, and a flat footstep plate which extends toward a door on which the operator puts his or her foot when getting into or out of an operating room.Type: ApplicationFiled: February 15, 2011Publication date: January 10, 2013Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroshi Tabeta, Hajime Ishii, Shougo Kimura, Tomoyuki Tanaka
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Publication number: 20120134768Abstract: A floor member is formed by a seat support platform on a rear side and a footrest area located on a front side of the seat support platform, and a cab box is formed by a front panel, a rear panel, a left front side panel, a left rear side panel, a right side panel, and a top panel. A right reinforcing panel is provided at a right side position of the floor member and rises upwardly of the footrest area. The right side panel of the cab box corresponding to this right reinforcing panel is provided with a notched portion for avoiding interference with the right reinforcing panel. Accordingly, since the strength at the right side position of the floor member can be enhanced by the right reinforcing panel, it is possible to prevent deformation such as torsion and distortion when the floor member is tilted up.Type: ApplicationFiled: September 21, 2010Publication date: May 31, 2012Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shougo Kimura, Hajime Ishii, Tomoyuki Tanaka, Hiroshi Tabeta
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Patent number: 7900996Abstract: A seat support platform (17) is provided on a floor panel (13) of a floor member (12) of a cab (11). An air conditioner unit (25) is installed internally of the seat support platform (17). An under floor duct (27) is provided on the lower side surface (13C) of the floor panel (13) to form an external air induction passage (30) to guide external air from outside of the cab (11) toward an external air intake port (25H) of the air conditioner unit (25). Under floor duct (27) can be provided integrally with the floor member (12) without protrusion to the lower side, and the under floor duct (27) can supply cool external air into the cab (11). Even in the case of a small size hydraulic excavator, the under floor duct (27) can be provided integrally on the floor member (12) to secure broader space in the cab (11).Type: GrantFiled: July 4, 2008Date of Patent: March 8, 2011Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Shogo Kimura, Hajime Ishii, Hiroshi Tabeta
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Publication number: 20100102594Abstract: A seat support platform (17) is provided on a floor panel (13) of a floor member (12) of a cab (11). An air conditioner unit (25) is installed internally of the seat support platform (17). An under floor duct (27) is provided on the lower side surface (13C) of the floor panel (13) to form an external air induction passage (30) to guide external air from outside of the cab (11) toward an external air intake port (25H) of the air conditioner unit (25). Under floor duct (27) can be provided integrally with the floor member (12) without protrusion to the lower side, and the under floor duct (27) can supply cool external air into the cab (11). Even in the case of a small size hydraulic excavator, the under floor duct (27) can be provided integrally on the floor member (12) to secure broader space in the cab (11).Type: ApplicationFiled: July 4, 2008Publication date: April 29, 2010Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shogo Kimura, Hajime Ishii, Hiroshi Tabeta
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Patent number: 7559601Abstract: A lower floor panel (20) and an upper floor panel (22) which is having a sunken storage portion (20D) is provided in front of a seat supporting base (12) which supports an operator's seat (16) with in a cab (11). A storage space (24) is provided between a sunken storage portion (20D) in the lower floor panel (20) and a flat horizontal surface (22A) of the upper floor panel (22). This storage space (24) can be used for installation of an air-conditioning unit (25). This lo means that the air-conditioning unit (25) can be accommodated in a floor portion in front of the operator's seat (16), permitting to suppress the height of the cab (11) to an appropriate level. In addition, installation of the air-conditioning unit (25) can make assembling and maintenance work far easier.Type: GrantFiled: February 25, 2004Date of Patent: July 14, 2009Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Hajime Ishii, Masayuki Yunoue, Shigeru Hirasawa, Hiroshi Tabeta, Shogo Kimura
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Patent number: 7530418Abstract: A pattern selector valve (32) is lodged in a seat supporting stool (22) which supports an operator's seat (23) thereon, with a switch lever (32B) at a front side of the seat supporting stool. An operator can easily check out the position of the switch lever (32B) of the pattern selector valve (32) at the time of getting onto the operator's seat (23). Besides, the switch lever (32B) of the pattern selector valve (32) can be easily changed over to a different pattern position in the vicinity of the operator's seat (23). Check-out and change-over of the switch lever (32B) are facilitated and can be carried out in a secure manner under guidance of a pattern indicator (39) which is provided on a front cover (34).Type: GrantFiled: January 28, 2005Date of Patent: May 12, 2009Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Hajime Ishii, Shigeru Hirasawa, Hiroshi Tabeta, Shogo Kimura
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Publication number: 20080035401Abstract: A pattern selector valve (32) is lodged in a seat supporting stool (22) which supports an operator's seat (23) thereon, with a switch lever (32B) at a front side of the seat supporting stool. An operator can easily check out the position of the switch lever (32B) of the pattern selector valve (32) at the time of getting onto the operator's seat (23). Besides, the switch lever (32B) of the pattern selector valve (32) can be easily changed over to a different pattern position in the vicinity of the operator's seat (23). Check-out and change-over of the switch lever (32B) are facilitated and can be carried out in a secure manner under guidance of a pattern indicator (39) which is provided on a front cover (34).Type: ApplicationFiled: January 28, 2005Publication date: February 14, 2008Inventors: Hajime Ishii, Shigeru Hirasawa, Hiroshi Tabeta, Shogo Kimura
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Patent number: 7287810Abstract: Right and left floor panel support mechanisms (40) and (46) are provided on a revolving frame (5) to support a front end of a floor panel (21) pivotally for permitting tilt-up and tilt-down of the floor panel (21). A tilting mechanism (54) is provided between the revolving frame (5) and the floor panel (21) for tilting the floor panel (21) together with a canopy (31). Through a plural number of vibration insulators (20), a floor panel mount plate (19) is mounted on a support member (12) which is located in a rear side portion of the revolving frame (5). A housing mount plate (24) of the floor panel (21) and a base plate (37) of the canopy (31) are detachably fixed to the floor panel mount plate (19) by the use of fastening bolts (39). After removing the fastening bolts (39), the floor panel (21) and canopy (31) can be tilted together without necessitating to disassemble the vibration insulators (20).Type: GrantFiled: October 5, 2004Date of Patent: October 30, 2007Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Hajime Ishii, Shogo Kimura, Shigeru Hirasawa, Tomoyuki Tanaka, Hiroshi Tabeta
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Patent number: D685006Type: GrantFiled: November 8, 2012Date of Patent: June 25, 2013Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Shigehisa Hagura, Tomoyuki Miyata, Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Yasuo Ooshima
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Patent number: D685007Type: GrantFiled: November 8, 2012Date of Patent: June 25, 2013Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Tomoyuki Tanaka, Hiroshi Tabeta
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Patent number: D689529Type: GrantFiled: November 8, 2012Date of Patent: September 10, 2013Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Shigehisa Hagura, Tomoyuki Miyata, Shogo Kimura, Tomoyuki Tanaka, Hiroshi Tabeta, Yasuo Ooshima, Hiroki Tanaka