GB190801331A - Improvements in Propellers. - Google Patents
Improvements in Propellers.Info
- Publication number
- GB190801331A GB190801331A GB190801331DA GB190801331A GB 190801331 A GB190801331 A GB 190801331A GB 190801331D A GB190801331D A GB 190801331DA GB 190801331 A GB190801331 A GB 190801331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- blades
- boss
- tooth
- engages
- 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
Abstract
1331. Learnard, A. W. Feb. 23, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Screw propellers. -Comprises improvements in the kind of propeller described in Specification No. 8470, A.D. 1903, in which the blades are capable of folding into the plane of the axis of the shaft. The shaft a is screwed into the boss b and provided with a disk y, which may engage the extensions g on the blades. A collar u is secured on the shaft inside the hub, and is provided with teeth v, w engaging similar teeth on the interior of the boss a. When the shaft is rotated to prope the vessel ahead, the tooth w engages the tooth t and rotates the boss, the pressure of the water on the blades maintaining them in their open position. When the shaft is reversed, it moves longitudinally until the tooth v engages the corresponding tooth on the interior of the boss, and the disk then prevents the blades from closing. If the vessel is propelled by means other than the shaft, the blades automatically fold down.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US190801331XA | 1907-02-23 | 1907-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190801331A true GB190801331A (en) | 1908-04-02 |
Family
ID=32656504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190801331D Expired GB190801331A (en) | 1907-02-23 | 1908-01-20 | Improvements in Propellers. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190801331A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK178074B1 (en) * | 2013-10-14 | 2015-05-04 | Flexofold Aps | Folding propeller |
-
1908
- 1908-01-20 GB GB190801331D patent/GB190801331A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK178074B1 (en) * | 2013-10-14 | 2015-05-04 | Flexofold Aps | Folding propeller |
US10214269B2 (en) | 2013-10-14 | 2019-02-26 | Flexofold Aps | Folding propeller |
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