Connecting structure
US9206825B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Dec 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7047
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A connecting structure for use between a wind wheel of a blower and a motor shaft in combination with the wind wheel (1) and the connecting structure including a shaft sleeve (3). The wind wheel (1) includes a bottom plate (11), and the bottom plate (11) is convex to form a sleeve cover (12). A bottom surface and a side surface of the shaft sleeve (3) is wrapped by the sleeve cover (12). A thread (21) is arranged on an end of the shaft (2). A shaft step (22) is arranged on the shaft (2) at an inner side of the thread (21). The thread (21) arranged on the end of the shaft (2) is inserted into a threaded hole (31) arranged inside the shaft sleeve (3). The shaft step (22) is attached to a top surface of the shaft sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.