An armrest structure for seat includes an armrest configured to move in a lateral width direction of the seat, a guide block configured to move in a front-rear direction of the seat, and an operation portion configured to be manually operated, such that the guide block moves in the front-rear direction. The armrest and the guide block are slidably engaged with each other in a direction inclined with respect to the lateral width direction and the front-rear direction of the seat. The armrest is configured to move in conjunction with the guide block in the lateral width direction, in response to an operation that the operation portion is operated to move the guide block in the front-rear direction. According to this armrest structure, an interval between the armrest on both sides can be adjusted in accordance with the physique and the posture of a seated person.

A seat moving structure for a utility vehicle includes a seat and a seat rail for guiding movement of the seat in a longitudinal direction of the seat. The seat has a seat rail contact portion which is brought into contact with the seat rail. The seat rail has a rail support surface portion which supports the seat rail contact portion from below. The seat rail contact portion is made of a resin. The seat is movably supported in a line contact state or in a point contact state in the longitudinal direction on the rail support surface portion by way of the seat rail contact portion.

A seat moving structure for a utility vehicle includes a seat and a seat rail for guiding movement of the seat in a longitudinal direction of the seat. The seat has a seat rail contact portion which is brought into contact with the seat rail. The seat rail has a rail support surface portion which supports the seat rail contact portion from below. The seat rail contact portion is made of a resin. The seat is movably supported in a line contact state or in a point contact state in the longitudinal direction on the rail support surface portion by way of the seat rail contact portion.

What is new about this invention is the concept of installing these rubber types of air inflatable inner tubes in the interior of the operators' seat frame construction. These tubes would be installed beneath the operators' seating location and also the lumbar position of the frame seating area. The air filling valve locations would be placed to the rear of the seat construction frame or also could be altered due to the type of product construction being used.

What is new about this invention is the concept of installing these rubber types of air inflatable inner tubes in the interior of the operators' seat frame construction. These tubes would be installed beneath the operators' seating location and also the lumbar position of the frame seating area. The air filling valve locations would be placed to the rear of the seat construction frame or also could be altered due to the type of product construction being used.

The invention relates to a vehicle seat comprising a backrest portion and a seating surface portion, each of which is arranged to be connected with a seat base portion, wherein the backrest portion is resiliently arranged and supported to be able to swivel with respect to the seat base portion, and wherein the seating surface portion is arranged to be able to move in at least a longitudinal direction of the seat frontwards and rearwards with respect to the seat base portion, wherein the backrest portion and the seating surface portion are operatively connected together via a first lever arrangement in such a way that the seating surface portion is able to move rearwards in the longitudinal direction of the seat when the backrest portion makes a suspending movement with respect to the seat base portion in a direction away from the seating surface portion.

The invention relates to a vehicle seat comprising a backrest portion and a seating surface portion, each of which is arranged to be connected with a seat base portion, wherein the backrest portion is resiliently arranged and supported to be able to swivel with respect to the seat base portion, and wherein the seating surface portion is arranged to be able to move in at least a longitudinal direction of the seat frontwards and rearwards with respect to the seat base portion, wherein the backrest portion and the seating surface portion are operatively connected together via a first lever arrangement in such a way that the seating surface portion is able to move rearwards in the longitudinal direction of the seat when the backrest portion makes a suspending movement with respect to the seat base portion in a direction away from the seating surface portion.

An operator seat system is provided that includes an operator seat and an armrest control center with an I/O (input/output) system that is connected to and moves with the operator seat. An armrest control center mount system may include a seat mount and an armrest control center mount that are attached to each other with an adjustment system that allows adjustment of the armrest control center with respect to the operator seat.

An operator seat system is provided that includes an operator seat and an armrest control center with an I/O (input/output) system that is connected to and moves with the operator seat. An armrest control center mount system may include a seat mount and an armrest control center mount that are attached to each other with an adjustment system that allows adjustment of the armrest control center with respect to the operator seat.

The invention discloses a type of seat, including the seat baseplate, the soft cushion and the underframe assembly; wherein, the said soft cushion is arranged on the said seat baseplate; the said seat baseplate is connected to the framework through the said underframe assembly; the said seat baseplate adopts integrated injection molding. The seat baseplate in the present invention adopts integrated injection molding. The soft cushion is arranged on the seat baseplate to form the complete seat. Compared with the machining method in the prior art that the backrest and the base are separately machined and then the backrest and the base are assembled with each other; the machining procedure of the seat baseplate in the present invention is simple, thus the production efficiency is improved and the production cost is reduced. The invention also discloses a type of all-terrain vehicle provided with the above seat.