Structure for preventing formation of dead point for cam wheel and strapping device using the same
US11111039B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 10, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Feb 19, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B13/185
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A structure for preventing the formation of a dead point for a cam wheel includes a driving wheel with a pressing portion provided at one side thereof for pushing a pushed portion of the cam wheel. When the cam wheel is moved over a distance while rotating simultaneously, a cam portion of the cam wheel pushes one end of the swinging piece. When the one end of the swinging piece is pushed to be apart from the outer periphery of the cam wheel, a restoring piece axially pushes the cam wheel back to its original position. A strapping device includes the above structure, a housing, a first transmission assembly, a second transmission assembly and a third transmission assembly. Tensioning of a circular strap, rapid friction bonding and cutting are sequentially performed by the transmissions of the first to third assemblies, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.