GB437238A - Improvements in or relating to chain gears - Google Patents
Improvements in or relating to chain gearsInfo
- Publication number
- GB437238A GB437238A GB9030/35A GB903035A GB437238A GB 437238 A GB437238 A GB 437238A GB 9030/35 A GB9030/35 A GB 9030/35A GB 903035 A GB903035 A GB 903035A GB 437238 A GB437238 A GB 437238A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chain
- engagement
- sprocket
- engaging
- rollers
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Escalators And Moving Walkways (AREA)
- Gears, Cams (AREA)
Abstract
437,238. Chain gearing. WESTING- HOUSE ELECTRIC & MANUFACTURING CO., East Pittsburg, U.S.A.-(Assignees of Dunlop, J. ; 1517, South Crescent Avenue, Park Ridge, Illinois, U.S.A.) March 22, 1935, No. 9030. Convention date, April 12, 1934. [Class 80 (i)] [See also Group XXX] In chain gearing, more especially for moving stairways and elevators, the point of engagement of the chain 19 with the sprocket 10 is determined by a guide shoe 42 supported by the framework and extending under and engaging the chain itself only during that portion of its travel immediately preceding and up to the point of engagement. In the form shown, the slotted guide shoes 42 are adjustably secured by bolts 47 to a fixed bracket 46 so as to embrace the sprocket teeth. The shoes 42 have rollers 57 engaging a projecting rim 55 on each face of the sprocket. Slightly curved or inclined surfaces 50, 51 are provided at the edges of the shoe to ease the spoolshaped chain rollers 22 into engagement with the straight surfaces 50a, 51<a>. An additional guide bar 70 may be provided.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US437238XA | 1934-04-12 | 1934-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB437238A true GB437238A (en) | 1935-10-25 |
Family
ID=21928570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9030/35A Expired GB437238A (en) | 1934-04-12 | 1935-03-22 | Improvements in or relating to chain gears |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB437238A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0492404A1 (en) * | 1990-12-20 | 1992-07-01 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Linear velocity corrective device |
| EP0671573A1 (en) * | 1994-03-08 | 1995-09-13 | ERICH WULF UND SOHN GmbH & Co. KG | Link chain with drive mechanism |
-
1935
- 1935-03-22 GB GB9030/35A patent/GB437238A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0492404A1 (en) * | 1990-12-20 | 1992-07-01 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Linear velocity corrective device |
| US5217414A (en) * | 1990-12-20 | 1993-06-08 | Danieli & C. Officine Meccaniche Spa | Linear velocity corrective device |
| EP0671573A1 (en) * | 1994-03-08 | 1995-09-13 | ERICH WULF UND SOHN GmbH & Co. KG | Link chain with drive mechanism |
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