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AssigneeHitachi Construction Machinery Co., Ltd.
InventorsHiroyuki Nishimori, Tadashi Hiyama, Takeshi Ishizuka, Seiji Ojima, Tsuyoshi Sakyou, Susumu Sasaki
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To provide a cold/warm air outlet assembly for construction a machine, said assembly being capable of fully meeting desires on the comfort of a working environment of an operator under air conditioning and use of air conditioning for a multiplicity of purposes, an upper outlet tube 2 and lower outlet tube 3 are formed into substantially tubular shapes having conical circumferential walls with walls, through which air outlets 20,30 are formed, being included as tilted walls. The upper outlet tube 2 is resiliently fitted and connected to the lower outlet tube 3, and the lower outlet tube 3 is resiliently fitted and connected to a vertical part 11a of an air conditioner duct 11. The upper and lower outlet tubes 2,3 are, therefore, turnable in horizontal direction at their connected parts. By operating air-direction control knobs 24,34 arranged in the air outlets 20,30 directed toward desired turned positions, the vertical directions of the internal fins 211-213,311-313 can be adjusted to cause cold/warm air to blow out in the desired directions, respectively.
A cold/warm air outlet assembly for a construction machine, said assembly including a casing for being arranged on a vertical part of an air conditioner duct arranged in a cab such that said vertical part extends upwardly in a front corner section of said cab to guide a cold/warm air supplied from an air conditioner, an air outlet formed in a circumferential wall of said casing and capable of allowing said cold/warm air to blow out in a sideward direction, and fins arranged in said air outlet turnably at least about a horizontal rod to cause said cold/warm air to blow out in a desired direction, characterized in that a plurality of air outlets as defined above are arranged in a vertical direction of said casing, and directions of cold/warm air blowing out of said respective air outlets can be independently set in a vertical direction and a horizontal direction.
Dependencies are inferred from the claim text.