Abstract: The invention of the present application intends to provide a work machine that can ensure high operability by preventing abrupt actuation of an actuator and a shock to a machine body by use of a bleed-off function at the time of starting of the actuator and that can improve the energy-saving performance by reducing a bleed-off flow rate after the starting of the actuator. For this purpose, a controller opens a bleed-off valve at a timing at which an operation device is being operated and before a flow rate of a hydraulic pump starts increasing, and closes the bleed-off valve at a timing at which the operation device is being operated and after the flow rate of the hydraulic pump has started increasing.

Abstract: A hollow engine valve includes a shaft portion and an umbrella portion of which diameter is enlarged to form an umbrella shape to be provided on a base end of the shaft portion, a cooling material being enclosed in a hollow portion that is at least formed inside the shaft portion. The shaft portion comprises a first shaft portion in a tip end side, a second shaft portion that is provided in a base end side to have an outer diameter larger than that of the first shaft portion, and a stepped portion formed by a difference in the outer diameters between the first and second shaft portions. A wall thickness of the stepped portion is larger than that of the second shaft portion.

Abstract: An engine valve having a shaft portion and a head portion expanding in diameter like a head at an edge of the shaft portion, and being to open and close a port provided in a cylinder head, wherein the head portion has a head front surface on a bottom side facing a combustion chamber side, a head rear surface on a top side facing the port side, and an outer peripheral surface of the head portion formed between the head front surface and the head rear surface, and the head portion is provided a mirror-finished mirror portion, and the head portion is provided a mirror-finished mirror portion on the entire area of the head front surface exposed to the combustion chamber and the entire area of the outer peripheral surface exposed to the combustion chamber.

Abstract: A file management apparatus displays an icon of a file where a shortcut on a cloud storage refers to the file within the cloud storage. A file management apparatus which is connected to a cloud storage on a cloud network via a network and which displays content of a folder within the cloud storage, displays an icon for directly opening a second file or a second folder in a first display region of the file management apparatus for showing content of a first folder in a case where a shortcut file stored in the first folder within the cloud storage is a shortcut file which refers to the second file or the second folder existing outside the first folder, and in which a link to the second file or the second folder is set as a link to a website.

Abstract: An object of the present invention is to make confirmation of setting of a file folder on a cloud storage possible through more simple operation. A settings information display apparatus which displays settings information regarding a file folder stored in a cloud storage on a cloud network detects that the file folder in the cloud storage, which is displayed in a first display region of the settings information display apparatus, is selected, displays data stored in the selected file folder in a second display region of the settings information display apparatus and an icon, or the like, for displaying settings information regarding the selected file folder by being triggered by the detection, and displays the settings information regarding the selected file folder in a third display region of the settings information display apparatus by being triggered by the icon, or the like, being operated.

Abstract: A file management apparatus displays an icon of a file where a shortcut on a cloud storage refers to the file within the cloud storage. A file management apparatus which is connected to a cloud storage on a cloud network via a network and which displays content of a folder within the cloud storage, displays an icon for directly opening a second file or a second folder in a first display region of the file management apparatus for showing content of a first folder in a case where a shortcut file stored in the first folder within the cloud storage is a shortcut file which refers to the second file or the second folder existing outside the first folder, and in which a link to the second file or the second folder is set as a link to a website.

Abstract: An object of the present invention is to make confirmation of setting of a file folder on a cloud storage possible through more simple operation. A settings information display apparatus which displays settings information regarding a file folder stored in a cloud storage on a cloud network detects that the file folder in the cloud storage, which is displayed in a first display region of the settings information display apparatus, is selected, displays data stored in the selected file folder in a second display region of the settings information display apparatus and an icon, or the like, for displaying settings information regarding the selected file folder by being triggered by the detection, and displays the settings information regarding the selected file folder in a third display region of the settings information display apparatus by being triggered by the icon, or the like, being operated.

Abstract: Two workpieces are frictionally welded by a friction welding apparatus which comprises a fixing holder and a rotary holder. One of the workpieces are held by a fixing chuck provided on the fixing holder, while the other is held by a rotary chuck provided on the rotary holder. Pressing portions are formed on opposing surfaces of the chucks.