Patent ID: 9539882
Date: 2017-01-10
CPC Classifications: B60H

Claim:
1. An air conditioning register to adjust a flow direction of air for air conditioning, the register comprising: a case having a ventilation passage for the air; at least one plate-shaped downstream fin that has a downstream fin pivot and is pivotally supported by the case via the downstream fin pivot; a plurality of primary upstream fins that are located upstream of the downstream fin in the ventilation passage, wherein each of the primary upstream fins extends in a direction orthogonal to the downstream fin, includes a primary upstream fin pivot, and is pivotally supported by the case via the primary upstream fin pivot; a secondary upstream fin that is located upstream of the downstream fin in the ventilation passage, wherein the secondary upstream fin includes a pivot, extends in the direction orthogonal to the downstream fin, is pivotally supported by the case via the secondary upstream fin pivot, and has a shaft extending along the secondary upstream fin pivot of the secondary upstream fin; an operation knob that is slidably attached onto the at least one downstream fin and has a pair of fork portions sandwiching the shaft of the secondary upstream fin; and a link mechanism that couples the primary upstream fins and the secondary upstream fin to each other, wherein the link mechanism includes a plurality of arms and a coupling rod, wherein each arm extends from one of the primary upstream fin pivot of the primary upstream fins and the secondary upstream fin in a direction orthogonal to the secondary upstream fin pivot, wherein each arm has a pin formed at a position offset from the primary upstream fin pivot or secondary upstream fin pivot, the primary upstream fins and the secondary upstream fin are capable of adjusting the flow direction of the air and selectively opening and closing the ventilation passage by tilting, a distance between the secondary upstream fin pivot and the pin in the arm of the secondary upstream fin is set to be longer than a distance between the primary upstream fin pivot and the pin in the arm of each primary upstream fin, the coupling rod couples each arm together via the pins, wherein the coupling rod includes a plurality of coupling portions each of which is coupled to the pins in the arms of each adjacent pair of the arms, and adjacent coupling portions are pivotally coupled via the pin in the arm.