GB731273A - Improvements relating to power-operated presses - Google Patents
Improvements relating to power-operated pressesInfo
- Publication number
- GB731273A GB731273A GB1594452A GB1594452A GB731273A GB 731273 A GB731273 A GB 731273A GB 1594452 A GB1594452 A GB 1594452A GB 1594452 A GB1594452 A GB 1594452A GB 731273 A GB731273 A GB 731273A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- clutch
- collar
- toe
- plunger
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
731,273. Friction clutches. TAYLOR & CHALLEN, Ltd. June 24, 1953 [June 25, 1952], No. 15944/52. Class 80 (2). A plate clutch for a power press is operated by a slidable control collar 22 through a link 23 connected to one arm of a bell-crank lever 24 the other arm of which is connected through a toggle link 25 to the presser plate (not shown), the fulcrum 26 of the lever 24 being on a sleeve 27 which is splined on the driving member 17 and the position of which is automatically adjusted by a ring 28 which is caused to screw along the member 17 as the clutch plates wear. A bevel-ended spring-loaded radial plunger 29 in the collar 22 co-operates with the toe 38 of a lever 33 which is mounted on the sleeve 27 and which has a lost-motion connection 39, 40 with a second lever 34 connected by a link 42 to plates 44 carrying a pawl 47 co-operating with a ratchet wheel 50 carried by the member 27 and rigid with a worm 51 engaging wormteeth 52 on ring 28. The levers 33, 34 are spring-urged clockwise against stops. When the clutch is correctly adjusted and the collar 22 is in its leftward clutch-engaged position, plunger 29 is pressed in by lever 33 but remains beneath the toe 38, as shown in Fig. 5. As the clutch plates wear, however, collar 22 has to move further to the left for clutch engagement until plunger 29 passes beyond toe 38 and springs outwards, as shown in Fig. 2, so that on the subsequent rightward disengaging movement of collar 22 the lever 33 is turned anticlockwise'until its toe 38 can ride over the plunger. The lever 34 is thus also turned anticlockwise, after the lost-motion 39, 40 has been taken up, and causes the ratchet wheel 50 to turn so as to cause ring 28 to screw along member 17 and move sleeve 27 slightly to the left. This adjustment is repeated on successive operations of the clutch until the relationship of Fig. 5 is restored.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1594452A GB731273A (en) | 1952-06-25 | 1952-06-25 | Improvements relating to power-operated presses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1594452A GB731273A (en) | 1952-06-25 | 1952-06-25 | Improvements relating to power-operated presses |
Publications (1)
Publication Number | Publication Date |
---|---|
GB731273A true GB731273A (en) | 1955-06-08 |
Family
ID=10068365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1594452A Expired GB731273A (en) | 1952-06-25 | 1952-06-25 | Improvements relating to power-operated presses |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB731273A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2147063A (en) * | 1983-09-26 | 1985-05-01 | Dana Corp | Automatic adjustment for wear of clutch |
-
1952
- 1952-06-25 GB GB1594452A patent/GB731273A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2147063A (en) * | 1983-09-26 | 1985-05-01 | Dana Corp | Automatic adjustment for wear of clutch |
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