Boat lift apparatus
US6435768B1 · kind B1 · utility
18Cited by
9References
19Claims
0Family size
Inventor
Key dates
| Filing date | Apr 11, 2001 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Apr 11, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F7/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A boat lift apparatus connectable to a tubular piling to form a piling assembly embeddable into a bottom of a body of water. The apparatus includes a gearbox with a first worm gear arrangement driven by a motor output shaft and a second worm gear arrangement oriented orthogonally to the first worm gear arrangement within the gearbox. The second worm gear arrangement includes a support shaft which may drive a cable drum which is rotational driven from the second support shaft to withdraw and extend a length of cable therefrom to raise and lower a boat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.