GB218664A - Improvements in friction screw presses - Google Patents
Improvements in friction screw pressesInfo
- Publication number
- GB218664A GB218664A GB15998/24A GB1599824A GB218664A GB 218664 A GB218664 A GB 218664A GB 15998/24 A GB15998/24 A GB 15998/24A GB 1599824 A GB1599824 A GB 1599824A GB 218664 A GB218664 A GB 218664A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discs
- lever
- link
- ram
- ascends
- 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
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
- B30B1/22—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means driven through friction disc means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
218,664. Ruppert, W., and Herok, J. July 4, 1923, [Convention date]. Presses, mechanical. - Relates to presses of the type comprising driving friction discs 7, 8 rockable about pivots 5, 6 to engage upper or lower driven discs 9 on the screw spindle, and consists in the provision of means to reduce gradually the pressure between the discs as the screw ascends. As shown, the discs 7, 8 are controlled through a link 4 by a hand-lever 1 pivoted at 2 and counterweighted at 3, a cranked lever 10 having a forked end engaging a pin 13 on the ram 12 moves the weight 3 towards the pivot 2 as the ram ascends. Modifications are described in which the upper end of the link 4 engages a slot in an intermediate lever and is moved towards the pivot of such lever as the ram ascends. The Specification as open to inspection under Sect. 91 (3) (a) describes also a modification, Fig. 1 (Cancelled), in which a spring 12 encircles the link 4 and bears a collar 13 thereon and against an arm 11 on the ram 10. The link is connected to a lever 18 which controls the discs through a pressure-equalizing plate 14 and levers 19, 20. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT218664X | 1924-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB218664A true GB218664A (en) | 1925-09-10 |
Family
ID=3669802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15998/24A Expired GB218664A (en) | 1924-07-04 | 1924-07-03 | Improvements in friction screw presses |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB218664A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6690125B1 (en) * | 1998-09-30 | 2004-02-10 | Stmicroelectronics S.A. | CRT scan circuit with a geometry correction independent from the scan frequency |
-
1924
- 1924-07-03 GB GB15998/24A patent/GB218664A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6690125B1 (en) * | 1998-09-30 | 2004-02-10 | Stmicroelectronics S.A. | CRT scan circuit with a geometry correction independent from the scan frequency |
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