Safety devices for fall restraint
US5771993A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1996 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Jun 14, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B35/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention provides a retractable lifeline safety device in which the side of the housing thereof comprises at least two extruded metal housing member which are connected to form the side of the housing. The present invention also provides a retractable lifeline safety device comprising a roller disposed in housing to reduce friction and abrasion. The present invention further provides a retractable lifeline safety device comprising a pawl clip means for maintaining the pawl adjacent the drum flange. The present invention also provides a ratchet brake assembly comprising abutment means extending radially outward therefrom to abut the housing and prevent rotation of the ratchet brake assembly relative to the housing. The present invention also provides retractable lifeline safety device comprising a drum assembly in which the drum flanges are removable from the drum hub to facilitate changes in the lifeline type. Finally, the present invention provides a lifeline comprising an indicator flag over which a portion of the lifeline is folded. When the lifeline experiences a tensile load at or above a predetermined tensile load the folded portion of the lifeline unfolds to exp…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.