Patent ID: 8464828
Filing Date: 2013-06-18
Classification: E02F

Abstract:
1. An operation unit for a construction machine, comprising: a floor; an operation seat provided on the floor; a console box provided on a lateral side of the operation seat; a pilot valve provided within the console box; a plurality of hoses connected to the pilot valve and arranged at least in an area from the pilot valve to the floor while being bundled together; and a flexurally deformable hose cover covering a plurality of over-floor portions which are respective portions of the hoses between the pilot valve and the floor, the hose cover including: a sheet-shaped cover member having opposite wrapping ends and being wrappable around the over-floor portions with an interconnection of the wrapping ends; and a fastener adapted to make the interconnection of the wrapping ends to hold the cover member in a tubular shape, wherein: the over-floor portions are arranged so as to form a bundle thereof having a greater diameter on the side of the pilot valve than on the side of the floor; and the cover member has an upper cover section which covers a region of the over-floor portions on the side of the pilot valve and a lower cover section which covers a region of the over-floor portions below the upper cover section, the cover member being wrapped around the over-floor portions in such a shape that the upper cover section has a diameter greater than that of the lower cover section, wherein the upper cover section of the cover member has a portion widthwise protruding beyond the lower cover section, the protruding portion being folded into a plurality of pleats to form a folded portion, and wherein the folded portion has a lower end bound to allow an upper end of the folded portion to be spread out like a folded fan.