GB486650A - Improvements in or relating to friction units for bolster spring arrangements in railway trucks - Google Patents
Improvements in or relating to friction units for bolster spring arrangements in railway trucksInfo
- Publication number
- GB486650A GB486650A GB31902/37A GB3190237A GB486650A GB 486650 A GB486650 A GB 486650A GB 31902/37 A GB31902/37 A GB 31902/37A GB 3190237 A GB3190237 A GB 3190237A GB 486650 A GB486650 A GB 486650A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shoes
- sleeve
- springs
- flanges
- unit
- 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
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/12—Bolster supports or mountings incorporating dampers
- B61F5/122—Bolster supports or mountings incorporating dampers with friction surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
486,650. Railway - vehicle undercarriages ; springs. SYMINGTON-GOULD CORPORATION. Nov. 19, 1937, No. 31902. Convention date, Nov. 30, 1936. [Classes 103 (vi) and 108 (iii)] A combined spring-supporting and vibrationdamping unit for use in association with a railway-vehicle bolster comprises a tubular sleeve 22 engaged internally by a pair of slidable friction shoes 29, a main external supporting helical or like spring 17 disposed between flanges 15, 28 on the sleeve and shoes respectively, and additional springs 18 acting directly upon the shoes and maintaining them in frictional contact with the interior of the sleeve 22. Preferably, the spring 18 is a laminated one extending in the axial direction of the shoes, while the contacting surfaces 23, 30 of the sleeve and shoes are made convergent so as to increase the pressure therebetween as the shoes move into the sleeve owing to an increase in load. The shoes are normally separated by a small gap and have transverse webs or flanges 33, 34 for positioning the springs 18. The upper and lower surfaces of the flanges 19, 28 may be either plane as shown, or they may be convexed for permitting the unit a slight rocking movement when the bolster is displaced relatively to the truck frame. Each unit is preferably associated in a group with a number of helical springs 13, Fig. 2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US486650XA | 1936-11-30 | 1936-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB486650A true GB486650A (en) | 1938-06-08 |
Family
ID=21955771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31902/37A Expired GB486650A (en) | 1936-11-30 | 1937-11-19 | Improvements in or relating to friction units for bolster spring arrangements in railway trucks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB486650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178120A (en) * | 1985-07-18 | 1987-02-04 | Nat Res Dev | Friction coupling |
-
1937
- 1937-11-19 GB GB31902/37A patent/GB486650A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178120A (en) * | 1985-07-18 | 1987-02-04 | Nat Res Dev | Friction coupling |
| GB2178120B (en) * | 1985-07-18 | 1989-08-02 | Nat Res Dev | Vibrating body mounting system and friction coupling |
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