JPH0478354U

JPH0478354U -

Info

Publication number: JPH0478354U
Application number: JP12188490U
Authority: JP
Priority date: 1990-11-22
Filing date: 1990-11-22
Publication date: 1992-07-08

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例に係るダンパの半
裁断面図、第２図は同ダンパの半裁側面図、第３
図は本考案の第２実施例に係るダンパの半裁断面
図、第４図は同ダンパの半裁側面図、第５図は本
考案の第３実施例に係るダンパの半裁断面図、第
６図は第５図におけるＡ−Ｂ−Ｃ−Ｄ断面図、第
７図は従来例に係るダンパの半裁断面図である。１……ハブ、２……ブツシユ、３……質量体、
４……バネ部材、５……スリーブ、６……環状溝
、７，８……連通孔。 FIG. 1 is a half-cut sectional view of a damper according to a first embodiment of the present invention, FIG. 2 is a half-cut side view of the same damper, and FIG.
The figures are a half-cut sectional view of a damper according to a second embodiment of the present invention, FIG. 4 is a half-cut side view of the same damper, FIG. 5 is a half-cut sectional view of a damper according to a third embodiment of the present invention, and FIG. 5 is a sectional view taken along line A-B-CD in FIG. 5, and FIG. 7 is a half-cut sectional view of a damper according to a conventional example. 1...Hub, 2...Butsuyu, 3...Mass body,
4... Spring member, 5... Sleeve, 6... Annular groove, 7, 8... Communication hole.

Claims

[Scope of utility model registration request]

In a damper in which a spring member 4 made of a rubber-like elastic material is disposed on the outer circumferential side of a hub 1 with or without a sleeve 5, an annular groove 6 is provided on the outer circumferential surface of the hub 1, and the annular groove 6 is located approximately at the center in the axial direction of the spring member 4 to retain outside air for cooling the spring member 4, and is characterized in that the annular groove 6 is opened to the atmosphere at part or all of its circumference. damper.