GB1229874A - - Google Patents
Info
- Publication number
- GB1229874A GB1229874A GB1229874DA GB1229874A GB 1229874 A GB1229874 A GB 1229874A GB 1229874D A GB1229874D A GB 1229874DA GB 1229874 A GB1229874 A GB 1229874A
- Authority
- GB
- United Kingdom
- Prior art keywords
- links
- pair
- sprocket
- driving
- pivot joint
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/18—Tracks
- B62D55/20—Tracks of articulated type, e.g. chains
- B62D55/202—Wheel engaging parts; Wheel guides on links
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/096—Endless track units; Parts thereof with noise reducing means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Gears, Cams (AREA)
- Agricultural Machines (AREA)
- Chain Conveyers (AREA)
Abstract
1,229,874. Endless tracks. CATERPILLAR TRACTOR CO. 4 Sept., 1968 [20 Sept., 1967], No. 41987/68. Heading B7H. An articulated track link assembly engageable with a notched driving sprocket 26 comprises a pair of spaced links 12 interconnected by a pivot joint at each end and having a driving lug 22 which is substantially equidistant from the pivot joints, extends between the links and has front and rear sprocket engaging surfaces with a greater radius of curvature than the pivot joint bushings 14 and of a size and disposition such that the sprocket notches engage the lugs before the bushings. The centre of curvature of the top of the driving lug 22 is on or radially outwardly of a line joining the adjacent pivot joint axes and preferably the track link is rockable through an angle up to 20 degrees upon the driving sprocket. The driving lug may be detachably bolted to a track plate 18 or between a pair of longitudinal links 12 or may be a pressed-in cylindrical member interconnecting a pair of links 12.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66921867A | 1967-09-20 | 1967-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1229874A true GB1229874A (en) | 1971-04-28 |
Family
ID=24685550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1229874D Expired GB1229874A (en) | 1967-09-20 | 1968-09-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3567294A (en) |
| BE (1) | BE720995A (en) |
| CA (1) | CA926451A (en) |
| DE (1) | DE1780484C3 (en) |
| ES (1) | ES358286A1 (en) |
| FR (1) | FR1580717A (en) |
| GB (1) | GB1229874A (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680929A (en) * | 1970-09-02 | 1972-08-01 | Caterpillar Tractor Co | Mid-pitch drive lug for track link of endless track |
| US3887244A (en) * | 1973-11-30 | 1975-06-03 | Caterpillar Tractor Co | Resilient mid-pitch lug for an endless track |
| US3897980A (en) * | 1974-04-05 | 1975-08-05 | Caterpillar Tractor Co | Sprocket tooth engaging track noise suppression means |
| US4030782A (en) * | 1976-06-25 | 1977-06-21 | J. I. Case Company | Crawler tractor track chain drive assembly |
| US4159857A (en) * | 1978-05-30 | 1979-07-03 | Caterpillar Tractor Co. | Track assembly with mid-pitch drive lug and replaceable rail |
| US4306753A (en) * | 1979-08-27 | 1981-12-22 | Caterpillar Tractor Co. | Articulated chain with mid-pitch drive and replaceable drive bushing |
| US4449758A (en) * | 1982-02-01 | 1984-05-22 | Deere & Company | Sprocket receptacle cleaner embodied in a track section |
| BR8906471A (en) * | 1988-03-18 | 1990-08-28 | Robert John Turner | TRACTOR BELT SETS |
| US6139121A (en) * | 1995-05-10 | 2000-10-31 | Bridgestone/Firestone, Inc. | Positive drive rubber track |
| US6354679B1 (en) * | 2000-04-20 | 2002-03-12 | Caterpillar Inc. | Off-set symmetrical link and an associated subassembly for a track chain assembly |
| US6536853B2 (en) * | 2001-04-20 | 2003-03-25 | Caterpillar Inc | Arrangement for supporting a track chain of a track type work machine |
| JP2003220983A (en) * | 2002-01-31 | 2003-08-05 | Komatsu Ltd | Rotaribush crawler |
| JP4059687B2 (en) * | 2002-02-12 | 2008-03-12 | 株式会社小松製作所 | Traveling drive device for tracked vehicle |
| US7877977B2 (en) * | 2008-12-12 | 2011-02-01 | Caterpillar Inc. | Master link for a track chain |
| CN108974414B (en) * | 2018-01-30 | 2024-04-26 | 湘潭大学 | Bottom sealing box device of medicine packaging box |
| US12233969B2 (en) | 2021-07-09 | 2025-02-25 | Caterpillar Inc. | Center tread idler in ground-engaging track system dimensioned to form a sprocketed idler wear pattern |
-
1967
- 1967-09-20 US US669218A patent/US3567294A/en not_active Expired - Lifetime
-
1968
- 1968-09-04 CA CA029210A patent/CA926451A/en not_active Expired
- 1968-09-04 GB GB1229874D patent/GB1229874A/en not_active Expired
- 1968-09-17 BE BE720995D patent/BE720995A/xx unknown
- 1968-09-17 FR FR1580717D patent/FR1580717A/fr not_active Expired
- 1968-09-18 ES ES358286A patent/ES358286A1/en not_active Expired
- 1968-09-20 DE DE1780484A patent/DE1780484C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES358286A1 (en) | 1970-04-16 |
| DE1780484A1 (en) | 1972-02-03 |
| FR1580717A (en) | 1969-09-05 |
| DE1780484C3 (en) | 1979-06-21 |
| BE720995A (en) | 1969-03-17 |
| CA926451A (en) | 1973-05-15 |
| DE1780484B2 (en) | 1978-10-26 |
| US3567294A (en) | 1971-03-02 |
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| GB1229874A (en) | ||
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |