Sealed retractable fall arrest block
US10744354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2016 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Nov 24, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B35/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A retractable fall arrest block comprising a spring side housing member and a drum side housing member. A center support wall, defining a bearing housing, is secured between the housing members. A bearing assembly is mounted in the bearing housing to support a spindle. A spring side housing member is mounted to a spring side of the center support wall and a spring side cover is mounted to the spring side housing member opposite the center support wall to define a spring housing. A drum side housing member is mounted to a drum side of the center support wall, and a drum side cover is mounted to the drum side housing member to define a drum housing. The spindle extends into both housings. A spring is mounted in the spring housing. A drum is positionally fixed to the spindle in the drum housing. A clutch assembly is mounted to the spindle to stop the drum from unwinding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.