| 发明名称 | Device for propelling a vessel | ||
| 摘要 | A device for propelling a vessel through water that includes an elongated handle; a grip at one end of the elongated handle; a paddle-shaped frame at an opposite end of the handle; a pair of blades that are pivotally supported at opposed respective sides of the frame and that have an open position and a normally biased closed position; and a cam supported by the frame and operated from the grip end of the handle. The cam is constructed and arranged to control the position of the blades so that in one position thereof the blades are partially opened allowing the blades to pivot, and in another position thereof the blades are nested against the frame so that the blades are maintained in the closed position. | ||
| 申请公布号 | US9511837(B1) | 申请公布日期 | 2016.12.06 |
| 申请号 | US201514690618 | 申请日期 | 2015.04.20 |
| 申请人 | Reeves John | 发明人 | Reeves John |
| 分类号 | B63H16/04;B63H1/32 | 主分类号 | B63H16/04 |
| 代理机构 | Salter & Michaelson | 代理人 | Salter & Michaelson |
| 主权项 | 1. A device for propelling a vessel through water, comprising: an elongated handle; a grip at one end of the elongated handle; a paddle-shaped frame at an opposite end of the handle; a pair of blades that are pivotally supported at opposed respective sides of the frame and that have an open position and a normally biased closed position; and a cam supported by the frame and operated from the grip end of the handle; said cam constructed and arranged to control the position of the blades so that in one position thereof the blades are partially opened allowing the blades to pivot, and in another position thereof the blades are nested against the frame so that the blades are maintained in the closed position. | ||
| 地址 | Byfield MA US | ||