Abstract: A fastening member in an embodiment consists of a bolt and a nut. A hard layer made of a metal nitride is formed on a surface of a threaded portion of the bolt or a surface of a threaded portion of the nut.

Abstract: A display device includes a cabinet and a display device main body. The cabinet has a front cabinet and a rear cabinet. The front cabinet has a rear face and a plurality of bosses. The display device main body has a rear frame with a front opening, a cell guide, a display panel, a bezel and a plurality of fixing components. The rear frame has a plurality of recess portions that is provided at a specific spacing along an outer peripheral part of the rear frame. The display panel is disposed via the cell guide in the front opening of the rear frame. The bezel is fastened to the outer peripheral part of the rear frame. The fixing components are provided at a specific spacing along the outer peripheral part of the rear frame. The fixing components are disposed in the recess portions and fastened to the bosses, respectively.

Abstract: A display device includes a cabinet and a display device main body. The cabinet has a front cabinet and a rear cabinet. The front cabinet has a rear face and a plurality of bosses. The display device main body has a rear frame with a front opening, a cell guide, a display panel, a bezel and a plurality of fixing components. The rear frame has a plurality of recess portions that is provided at a specific spacing along an outer peripheral part of the rear frame. The display panel is disposed via the cell guide in the front opening of the rear frame. The bezel is fastened to the outer peripheral part of the rear frame. The fixing components are provided at a specific spacing along the outer peripheral part of the rear frame. The fixing components are disposed in the recess portions and fastened to the bosses, respectively.

Abstract: A beverage extracting apparatus for vending machines includes a cylinder for storing a liquid mixture of water and raw material of a beverage, a valve opening and closing the inflow port of the cylinder, a rolled filter paper covering the bottom opening of the cylinder, a filter support vertically moved to open and close the bottom opening of the cylinder via the filter paper, and an air pump supplying pressurized air into the cylinder to forcibly filtrate the liquid mixture stored in the cylinder via the filter paper. The rolled filter paper is advanced at an appropriate interval onto the filter support by the cooperative rotational motion of a pair of first driving rollers and a pair of corresponding idler rollers. Each of the pair of idler rollers is rotatably supported by a separate arm plate which pivot downwardly to bring the idler rollers into or out of contact with the first rollers.