Hoist with detachable power and control unit
US7469881B2 · kind B2 · utility
10Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2007 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Apr 30, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D3/26
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hoist is powered by a separate power unit. The hoist unit includes: a motor, a mounting connector, a spool, webbing, auto cut-off and a first portion of a mating electrical connector. The control unit includes a hollow pole, a hook, a second portion of the mating electrical connector, a control switch, electrical circuitry and a battery pack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.