To provide a rotary damper capable of shortening an axial length of a rotary portion.SOLUTION: A rotary damper includes a clearance (19) formed between a non-rotary portion (17) and a rotary portion (18), an oil charged in the clearance (19) for applying viscous resistance to rotation of the rotary portion (18), and teeth (14) formed on the rotary portion (18) for transmitting power, and a range (R1) of an axial length of the teeth (14) is overlapped to a range (R2) of an axial length of the clearance (19). An axial length (that is, total height) of the rotary portion (18) is shortened by existence of a range (R3) in which the range (R1) and the range (R2) are overlapped.SELECTED DRAWING: Figure 4
【課題】回転部の軸方向長さを短くできるロータリーダンパを提供する。【解決手段】本発明は、非回転部(17)と回転部(18)との間に形成される隙間(19)、隙間(19)に充填され、回転部(18)の回転に粘性抵抗を与えるオイル、及び回転部(18)に形成される、動力を伝達するための歯(14)を含み、歯(14)の軸方向長さの範囲(R1)が隙間(19)の軸方向長さの範囲(R2)と重なっていることを特徴とするロータリーダンパを提供する。回転部(18)の軸方向長さ(すなわち、全高)は、範囲(R1)と範囲(R2)が重なる範囲(R3)があることにより短縮される。【選択図】図4
ROTARY DAMPER, AND SLIDE RAIL INCLUDING THE SAME
ロータリーダンパ及びそれを含むスライドレール
2019-05-16
Patent
Electronic Resource
Japanese
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