JPH0427266U - - Google Patents
Info
- Publication number
- JPH0427266U JPH0427266U JP5857190U JP5857190U JPH0427266U JP H0427266 U JPH0427266 U JP H0427266U JP 5857190 U JP5857190 U JP 5857190U JP 5857190 U JP5857190 U JP 5857190U JP H0427266 U JPH0427266 U JP H0427266U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- shaped
- ring
- ring groove
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000428 dust Substances 0.000 claims description 3
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第1図は本考案の実施例を示す側断面図、第2
図は従来例を示す側断面図である。
1……回転軸、2……ブラケツト、21……ハ
ウジング部、22……リング溝、23……側面、
24……塵溜り部、25……堰、3……軸受、4
……回転フランジ、41……突起部。
Fig. 1 is a side sectional view showing an embodiment of the present invention;
The figure is a side sectional view showing a conventional example. 1...Rotating shaft, 2...Bracket, 21...Housing portion, 22...Ring groove, 23...Side surface,
24...dust trap section, 25...weir, 3...bearing, 4
...Rotating flange, 41...Protrusion.
Claims (1)
に設けられ、回転軸側に開口して前記軸受を装着
するリング溝状のハウジング部と、前記回転軸に
固定し前記回転軸と同心で上方に突出するリング
状の突起部を設けた回転フランジ部と、前記回転
フランジ部に対向するブラケツトの下面に前記突
起部と空〓を介して噛み合うリング溝とを備えた
回転軸の防塵装置において、 前記ハウジング部の下方の側面に開口するリン
グ溝状の塵溜り部を設けたことを特徴とする回転
軸の防塵装置。 2 前記塵溜り部の開口部の内側にリング状の堰
を設けた請求項1記載の回転軸の防塵装置。[Claims for Utility Model Registration] 1. A bearing that supports the rotating shaft vertically, a ring groove-shaped housing part provided on the bracket and opening on the rotating shaft side and into which the bearing is mounted, and a housing portion fixed to the rotating shaft. A rotary flange portion provided with a ring-shaped protrusion that is concentric with the rotating shaft and protrudes upward, and a ring groove that engages with the protrusion through a space on the lower surface of the bracket facing the rotary flange portion. What is claimed is: 1. A dustproof device for a rotating shaft, characterized in that a ring groove-shaped dust trap portion is provided in a lower side surface of the housing portion. 2. The rotating shaft dustproof device according to claim 1, further comprising a ring-shaped dam provided inside the opening of the dust reservoir.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990058571U JP2519653Y2 (en) | 1990-06-01 | 1990-06-01 | Dust protection device for rotating shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990058571U JP2519653Y2 (en) | 1990-06-01 | 1990-06-01 | Dust protection device for rotating shaft |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0427266U true JPH0427266U (en) | 1992-03-04 |
JP2519653Y2 JP2519653Y2 (en) | 1996-12-11 |
Family
ID=31584306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990058571U Expired - Lifetime JP2519653Y2 (en) | 1990-06-01 | 1990-06-01 | Dust protection device for rotating shaft |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2519653Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012031906A (en) * | 2010-07-29 | 2012-02-16 | Ricoh Co Ltd | Driving force transmission device |
CN112994364A (en) * | 2019-12-13 | 2021-06-18 | 住友重机械工业株式会社 | Drive device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152963A (en) * | 1979-05-15 | 1980-11-28 | Nippon Seiko Kk | Sealing mechanism of turning section |
-
1990
- 1990-06-01 JP JP1990058571U patent/JP2519653Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152963A (en) * | 1979-05-15 | 1980-11-28 | Nippon Seiko Kk | Sealing mechanism of turning section |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012031906A (en) * | 2010-07-29 | 2012-02-16 | Ricoh Co Ltd | Driving force transmission device |
CN112994364A (en) * | 2019-12-13 | 2021-06-18 | 住友重机械工业株式会社 | Drive device |
JP2021097430A (en) * | 2019-12-13 | 2021-06-24 | 住友重機械工業株式会社 | Driving device |
Also Published As
Publication number | Publication date |
---|---|
JP2519653Y2 (en) | 1996-12-11 |
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