Lockable load attachment device
US4846075A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 2, 1987 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | Nov 2, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16G11/105
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A load attachment device attaching a person to a safety line to provide a fall-arrest facility, comprises a slipper member for engaging an elongate member for sliding movement therealong, and load sensitive locking member having an unlocked condition perimitting free sliding movement of the device and a locked condition in which a grip portion of the locking member engages and grips an elongate member slidably engaged, in use, with the slipper member, the locking member including biassing member to cause the locking member to be brought automatically into its locked condition when an applied loading, which is required to maintain the locking member in its unlocked condition on an inclined, or a vertical or near vertical elongate member, or portions of an elongate member, is removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.