GB298551A - Improvements in power presses - Google Patents
Improvements in power pressesInfo
- Publication number
- GB298551A GB298551A GB1828727A GB1828727A GB298551A GB 298551 A GB298551 A GB 298551A GB 1828727 A GB1828727 A GB 1828727A GB 1828727 A GB1828727 A GB 1828727A GB 298551 A GB298551 A GB 298551A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clutch
- lever
- shaft
- engagement
- bolt
- 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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
298,551. Massey, Ltd., B. &. S., and Massey, H. F. July 9, 1927. Presses, mechanical.-In a crank, eccentric, &c. operated power-driven press for trimming stampings, punching, and other purposes, hand or foot operated means are provided for barring the shaft round and bringing the ram down slowly for setting the dies &c., consisting of a ratchet wheel on the crank shaft and a driving pawl and operating lever so arranged that the pawl is out of engagement when the lever is in its normal position of rest, a device for locking the driving clutch in its inoperative position being also provided for holding the clutch out of action to allow the barring device to be used. The constantly revolving flywheel d is adapted to be clutched to the crank shaft b by a clutch i normally held out of action by the engagement of a bolt, h with the trigger j of the clutch, the bolt h being connected by a bell crank h<2> and connecting rod h<1> to a treadle g. Depression of the latter moves the bolt h out of engagement with the clutch trigger j, causing the clutch to rotate the shaft through one or more revolutions according as the treadle is allowed to rise immediately or held depressed. The shaft b is fitted with a ratchet wheel r driven by a pawl q connected to a lever p pivoted to the press frame a; the pawl is held out of engagement with the ratchet wheel by means of a pin s and projection q<1> when the lever is in its vertical position of rest but engages therewith when the lever is swung outwards. The lever is normally locked out of action by a guard lever t connected by a rod u to the treadle g. When the barring device is to be used the clutch is locked in inoperative position by means of a peg m inserted through holes in the clutch trigger and clutch casing. In the modification shown in Fig. 6 a projection v formed on or secured to the shaft b is adapted to engage the bolt h when the latter is in its normal position holding the clutch inoperative, which prevents the ratchet lever being used unless the clutch is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1828727A GB298551A (en) | 1927-07-09 | 1927-07-09 | Improvements in power presses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1828727A GB298551A (en) | 1927-07-09 | 1927-07-09 | Improvements in power presses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB298551A true GB298551A (en) | 1928-10-09 |
Family
ID=10109861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1828727A Expired GB298551A (en) | 1927-07-09 | 1927-07-09 | Improvements in power presses |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB298551A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725724A (en) * | 1996-01-08 | 1998-03-10 | Tdw Delaware, Inc. | Plastic pipe facer for butt fusion application |
-
1927
- 1927-07-09 GB GB1828727A patent/GB298551A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725724A (en) * | 1996-01-08 | 1998-03-10 | Tdw Delaware, Inc. | Plastic pipe facer for butt fusion application |
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