GB1352641A - Tractor for an overhead rail system - Google Patents
Tractor for an overhead rail systemInfo
- Publication number
- GB1352641A GB1352641A GB1258172A GB1258172A GB1352641A GB 1352641 A GB1352641 A GB 1352641A GB 1258172 A GB1258172 A GB 1258172A GB 1258172 A GB1258172 A GB 1258172A GB 1352641 A GB1352641 A GB 1352641A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheels
- shaft
- tractor
- worm
- driving
- 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
- 239000000463 material Substances 0.000 abstract 2
- 239000004952 Polyamide Substances 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 229920002647 polyamide Polymers 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920003051 synthetic elastomer Polymers 0.000 abstract 1
- 239000005061 synthetic rubber Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/46—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors forming parts of wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C13/00—Locomotives or motor railcars characterised by their application to special systems or purposes
- B61C13/04—Locomotives or motor railcars characterised by their application to special systems or purposes for elevated railways with rigid rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/44—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with hollow transmission shaft concentric with wheel axis
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Abstract
1352641 Tractor for elevated railway DEMAG AG 17 March 1972 [21 April 1971] 12581/72 Heading B7L A tractor is supported by wheels 1 on an overhead rail R and is driven by a pair of synthetic rubber driving wheels 5 mounted on a hollow shaft 21 together with an intervening plastics worm-wheel 6 which engages a worm 7 on the shaft of a driving motor 13, the driving and worm-wheels being formed with internal grooves during moulding or casting so as to receive with an interference fit splines 21a on the shaft 21. The wheels 5 are preferably of polyurethane material and are biased against the underside of the rail by a spring 3. The wormwheel 6 is preferably formed of a polyamide material. The hollow shaft 21 is mounted by ball bearings 23 on an axle 5a and circlips 22 in circumferential grooves 21b on the shaft prevent axial displacement of the wheels.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712119297 DE2119297A1 (en) | 1971-04-21 | 1971-04-21 | Tractor with running wheels supported on a suspension rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1352641A true GB1352641A (en) | 1974-05-08 |
Family
ID=5805333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1258172A Expired GB1352641A (en) | 1971-04-21 | 1972-03-17 | Tractor for an overhead rail system |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2119297A1 (en) |
| FR (1) | FR2136002A5 (en) |
| GB (1) | GB1352641A (en) |
| IT (1) | IT951477B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4209565C2 (en) * | 1992-03-20 | 1995-01-19 | Mannesmann Ag | Trolley, especially monorail with a short height |
-
1971
- 1971-04-21 DE DE19712119297 patent/DE2119297A1/en active Pending
-
1972
- 1972-03-08 FR FR7208053A patent/FR2136002A5/fr not_active Expired
- 1972-03-17 GB GB1258172A patent/GB1352641A/en not_active Expired
- 1972-04-17 IT IT2322172A patent/IT951477B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2119297A1 (en) | 1972-10-26 |
| IT951477B (en) | 1973-06-30 |
| FR2136002A5 (en) | 1972-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |