GB190928408A - Improvements in or relating to Pulleys and Driving Drums. - Google Patents
Improvements in or relating to Pulleys and Driving Drums.Info
- Publication number
- GB190928408A GB190928408A GB190928408DA GB190928408A GB 190928408 A GB190928408 A GB 190928408A GB 190928408D A GB190928408D A GB 190928408DA GB 190928408 A GB190928408 A GB 190928408A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arms
- rim
- portions
- sections
- recesses
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/46—Split pulleys
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Pulleys (AREA)
Abstract
28,408. Morgan, J. H. Dec. 6. [Cognate Applications, 1683/10, 9311/10, and 11,766/10.] Pulleys. - In pulleys built up of the keystone sections, each section is formed from a strip of metal a provided with a central rib b, or from rolled T- i r o n, having a number of indents c, which, when the strip is bent to its final shape, form mitre joints. One end of each strip is plain and the ends overlap each other and are secured to the boss o f t h e pulley. The boss, which may be in parts, or may be cast as a whole about the portions m, is polygonal to correspond with the number of keystone sections employed. Its ends may be square for the reception of bolts r. Its polygonal faces have recesses for the heads of the bolts q securing together the turned-over portions of the arms f, g. The keystone sections may be formed in parts; for example, the rim portion may be separately attached, the portions f, g, h being then passed through holes in a recessed shroud 7 surrounding the boss, with or without the interposition of a liner z. The employment of a shroud in two parts enables the retaining- bolts- 1 to be placed within the face of the pulley. The inner ends of the arms f, g may be opened somewhat for receiving the turned-over ends of a liner z, which takes the form of a circular bush with an hexagonal projection, the arms and liner being bolted together. Angleplates 2 may be provided at the outer ends of the arms. A separate rim j may be affixed and two or more keystone sections may be combined with a very wide rim having one or more annular grooves. When the rim portions of the keystone sections are formed separately, the arms are bifurcated at their outer ends to receive the central rib of a sectional or continuous rim-piece. In the case of a split pulley, the arm portions overlap and are bolted together. The arm portions f, g of adjacent sections are bolted or riveted together, and in the recesses formed between them are located forgings 10 provided with projections or recesses to engage corresponding recesses or projections in the arm-ends and rim. The inner ends of the arms f, g may be welded together.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190928408T | 1909-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190928408A true GB190928408A (en) | 1910-10-20 |
Family
ID=32447137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190928408D Expired GB190928408A (en) | 1909-12-06 | 1909-12-06 | Improvements in or relating to Pulleys and Driving Drums. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190928408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE927847C (en) * | 1950-11-14 | 1955-05-20 | Demag Ag | Cable pulley or cable drum in cell design with closed side walls, especially for mining systems |
-
1909
- 1909-12-06 GB GB190928408D patent/GB190928408A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE927847C (en) * | 1950-11-14 | 1955-05-20 | Demag Ag | Cable pulley or cable drum in cell design with closed side walls, especially for mining systems |
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