JPS56138068A - Device for reducing noise generated around idler in crawler type vehicle - Google Patents
Device for reducing noise generated around idler in crawler type vehicleInfo
- Publication number
- JPS56138068A JPS56138068A JP4257880A JP4257880A JPS56138068A JP S56138068 A JPS56138068 A JP S56138068A JP 4257880 A JP4257880 A JP 4257880A JP 4257880 A JP4257880 A JP 4257880A JP S56138068 A JPS56138068 A JP S56138068A
- Authority
- JP
- Japan
- Prior art keywords
- annular member
- air tube
- noise generated
- track
- type vehicle
- 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
Landscapes
- Tires In General (AREA)
- Harvester Elements (AREA)
Abstract
PURPOSE: To prolong extremely the service life of the noise reducing device by pressing an annular member of a hard material having a frictional consumption resistance by means of an air tube.
CONSTITUTION: The noise reducing device includes the air tube 10 provided along the outer peripheral surface 9 of an idler body 3 and the annular member 11 superposed thereon. These are located between a pair of rims 8, 8 to be retained around the idler body 3. The annular member 11 is made of a hard and frictional consumption resisting material and has at least one separation part at which it can increase or decrease its radius in accordance with an expansion and contraction of the air tube 10. The inner pressure of the air tube 10 is adjusted such that a track link 6 is separated from a treading surface 7 by pressing constantly a track bush 14 of a track chain 5 outwardly in the radial direction by means of the flange part 15 of the annular member 11. Thus, a metallic tapping noise generated by a direct contact between the track link 6 and the treading surface is much reduced.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4257880A JPS56138068A (en) | 1980-04-01 | 1980-04-01 | Device for reducing noise generated around idler in crawler type vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4257880A JPS56138068A (en) | 1980-04-01 | 1980-04-01 | Device for reducing noise generated around idler in crawler type vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56138068A true JPS56138068A (en) | 1981-10-28 |
JPS6341793B2 JPS6341793B2 (en) | 1988-08-18 |
Family
ID=12639945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4257880A Granted JPS56138068A (en) | 1980-04-01 | 1980-04-01 | Device for reducing noise generated around idler in crawler type vehicle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56138068A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5207489A (en) * | 1992-03-19 | 1993-05-04 | Case Corporation | Noise reduction apparatus for a track system of an off-highway implement |
US5829849A (en) * | 1996-11-27 | 1998-11-03 | Caterpillar Inc. | Undercarriage assembly for attack-type machine |
US7905559B2 (en) * | 2008-12-10 | 2011-03-15 | Caterpillar Inc | Isolated center tread rim idler wheel |
WO2012087450A1 (en) * | 2010-12-21 | 2012-06-28 | Caterpillar Inc. | Compound rim assembly for idler in an undercarriage system of a track-type machine |
EP2548789A1 (en) * | 2011-07-18 | 2013-01-23 | Joseph Vögele AG | Track assembly |
US8770676B2 (en) | 2010-12-21 | 2014-07-08 | Caterpillar Inc. | Rotatable idler for undercarriage system in a track-type machine |
-
1980
- 1980-04-01 JP JP4257880A patent/JPS56138068A/en active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5207489A (en) * | 1992-03-19 | 1993-05-04 | Case Corporation | Noise reduction apparatus for a track system of an off-highway implement |
US5829849A (en) * | 1996-11-27 | 1998-11-03 | Caterpillar Inc. | Undercarriage assembly for attack-type machine |
US7905559B2 (en) * | 2008-12-10 | 2011-03-15 | Caterpillar Inc | Isolated center tread rim idler wheel |
WO2012087450A1 (en) * | 2010-12-21 | 2012-06-28 | Caterpillar Inc. | Compound rim assembly for idler in an undercarriage system of a track-type machine |
US8770676B2 (en) | 2010-12-21 | 2014-07-08 | Caterpillar Inc. | Rotatable idler for undercarriage system in a track-type machine |
US8770677B2 (en) | 2010-12-21 | 2014-07-08 | Caterpillar Inc. | Compound rim assembly for idler in an undercarriage system of a track-type machine |
EP2548789A1 (en) * | 2011-07-18 | 2013-01-23 | Joseph Vögele AG | Track assembly |
US9168961B2 (en) | 2011-07-18 | 2015-10-27 | Joseph Vogele Ag | Tracklaying gear |
Also Published As
Publication number | Publication date |
---|---|
JPS6341793B2 (en) | 1988-08-18 |
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