GB801048A - Clutch for switch machines - Google Patents
Clutch for switch machinesInfo
- Publication number
- GB801048A GB801048A GB35881/56A GB3588156A GB801048A GB 801048 A GB801048 A GB 801048A GB 35881/56 A GB35881/56 A GB 35881/56A GB 3588156 A GB3588156 A GB 3588156A GB 801048 A GB801048 A GB 801048A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clutch
- engage
- points
- motor
- nov
- 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
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
- B61L5/065—Construction of driving mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
801,048. Ratchet clutches. STANDARD TELEPHONES & CABLES, Ltd. Nov. 23, 1956 [Nov. 29, 1955], No. 35881/56. Class 80 (2). [Also in Group XXX] In a machine for operating railway points an over-running clutch 2 is provided between a driving motor 1 and an intermediate gear 4 such that a positive connection between the motor 1 and the points mechanism 5, 6, 7 is only established for normal point throwing movement and remains disconnected for the trailing movement. The clutch may comprise two centrifugal levers 14 moved outwards by rotation of the motor 1 and shaft 11 to engage a dog 18 on a plate 15 connected through a'friction coupling with the gear 3. A second form of clutch, Fig. 5, comprises flyweights 24 moved outwards against springs 25 by centrifugal force to engage a drum 27. A third form of clutch, Fig. 7, has a pivoted pawl 33 moved against the action of springs 36, by acceleration, to engage a toothed wheel 40. Retardation of a plate 41 by inertia assists the engagement of the pawl 33 through the action of a driver pin 43. A control lever 45 may apply a spring 46 to the disc 41 to engage the clutch for manual operation of the points.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE801048X | 1955-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB801048A true GB801048A (en) | 1958-09-03 |
Family
ID=6714781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35881/56A Expired GB801048A (en) | 1955-11-29 | 1956-11-23 | Clutch for switch machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB801048A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3228498A (en) * | 1963-02-14 | 1966-01-11 | Dick Co Ab | Drive pulley and clutch for duplicating machines |
-
1956
- 1956-11-23 GB GB35881/56A patent/GB801048A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3228498A (en) * | 1963-02-14 | 1966-01-11 | Dick Co Ab | Drive pulley and clutch for duplicating machines |
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