Abstract: 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).

Abstract: 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.

Abstract: A cab (8) is provided with a cab box (13) in which a space between each of pillars (14 to 18) is covered by each of surfaces (13A to 13F) and the inside becomes an operator's room (13G) and a door (24) mounted on the left intermediate pillar (16). On a rear surface portion (14D) of the left front pillar (14), a protruding portion (23A1) of a mounting plate (23A) is provided in a state protruding to the door (24) side. On a mounting opening (24E) on the inner surface side of the door (24), a door holding member (28) engaged with an engaging member (23) and holding the door (24) at a closed position is provided. On the door (24), a retreating recessed portion (29) for avoiding interference with the protruding portion (23A1) of the mounting plate (23A) is provided on the front side from the door holding member (28).

Abstract: 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.

Abstract: 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).

Abstract: A canopy (23) is provided to rise in an upper revolving structure (3) for covering an upper side of an operator's seat (19). A bend portion (25B) extending in the left-right direction and projecting upward is provided in a front end side of a roof plate (25) in the canopy (23). A plate-shaped left front lifting bracket (26) is provided in a left front connecting portion (24J), and a plate-shaped right front lifting bracket (27) is provided in a right front connecting portion (24L). The left and right front lifting brackets (26, 27) sandwich the bend portion (25B) from both sides in the left-right direction. Further, the left and right front lifting brackets (26, 27) are provided with lifting holes (26A, 27A) and also discharging notches (26B, 27B).

Abstract: 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.

Abstract: An entrance way is provided on a left front surface surrounded by the left front pillar, the left intermediate pillar, and the left front roof pillar of the cab box, and a door for opening/closing this entrance way is mounted rotatably on a left intermediate pillar. A seal member for sealing the entire periphery of the cab box when the door is closed is provided in the periphery of the door. On the lower side of the left front roof pillar, a seal receiving member is provided separately from the left front roof pillar, and this seal receiving member forms a seal receiving surface with which an upper seal portion extending in the front-rear direction at an upper side position of the seal member is brought into contact when the door is closed.

Abstract: A cab (8) is provided with a cab box (13) in which a space between each of pillars (14 to 18) is covered by each of surfaces (13A to 13F) and the inside becomes an operator's room (13G) and a door (24) mounted on the left intermediate pillar (16). On a rear surface portion (14D) of the left front pillar (14), a protruding portion (23A1) of a mounting plate (23A) is provided in a state protruding to the door (24) side. On a mounting opening (24E) on the inner surface side of the door (24), a door holding member (28) engaged with an engaging member (23) and holding the door (24) at a closed position is provided. On the door (24), a retreating recessed portion (29) for avoiding interference with the protruding portion (23A1) of the mounting plate (23A) is provided on the front side from the door holding member (28).

Abstract: 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.

Abstract: A canopy (23) is provided to rise in an upper revolving structure (3) for covering an upper side of an operator's seat (19). A bend portion (25B) extending in the left-right direction and projecting upward is provided in a front end side of a roof plate (25) in the canopy (23). A plate-shaped left front lifting bracket (26) is provided in a left front connecting portion (24J), and a plate-shaped right front lifting bracket (27) is provided in a right front connecting portion (24L). The left and right front lifting brackets (26, 27) sandwich the bend portion (25B) from both sides in the left-right direction. Further, the left and right front lifting brackets (26, 27) are provided with lifting holes (26A, 27A) and also discharging notches (26B, 27B).

Abstract: 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).

Abstract: A vehicle opening-and-closing member control device includes displacement amount detection portions provided at drive units and detecting respective displacement amounts of the drive units, a determination portion obtaining a difference of the displacement amounts and determining whether the drive unit is in failure on the basis of the difference, and a restriction portion restricting an operation state of the opening-and-closing member so as to be an operation disapproval state in a case where the determination portion determines that at least one of the drive units fails and at least one of the drive units operates normally. The restriction portion stops the operation of the drive units when a failure of drive unit is determined during the drive units are in operation, and the restriction portion prohibits the operation of the drive units thereafter when the failure of the drive unit is determined during the drive units are not in operation.

Abstract: 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).

Abstract: A control apparatus for an opening/closing member of vehicle includes a driving member for moving an opening/closing member for a vehicle, speed detecting means for detecting a drive speed of the driving member and control means for calculating a current speed difference between the drive speed of the driving member and a target drive speed, for calculating a current change amount between the calculated current speed difference and a previous speed difference calculated a predetermined time before, for calculating a current deviation by integrating the current change amount and for detecting an entrapment of an object by comparing the calculated deviation to a predetermined threshold.

Abstract: 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).