Abstract: A hand press having an operation member provided at a main body with a pressure head section including a pressure head movable up and down relative to the main body and the pressure head section is configured to be pushed down by the operation member and to apply a pressing force, further, an elastic member is provided at the main body, and configured to apply an elastic force to the pressure head section such that a position of the pressure head located below a top dead center by a predetermined distance serves as an operation origin of the pressure head, and a switch is configured to turn ON when the pressure head section is located at a position above the operation origin.

Abstract: A cleaner for a conveyor belt includes a scraper arranged transversely of the belt on the return side of the same. The scraper is adjustably mounted for displacement about an axis extending in the transverse direction of the belt. The scraper has a scraping portion thereof which intends to come in close contact with the surface of the belt and is deflected from the common axis at a point midway between both side ends of the belt so as to form an arch shape.