Anti-dropping device and connection member
US9611883B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2013 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Sep 15, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B41/002
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An anti-dropping device and connection member, wherein the anti-dropping device comprises a connection member (40) and an anti-dropping boss (60); wherein the connection member (40) comprises: a first hole (42), which is adapted to a cross section of the anti-dropping boss (60) and configured to rotatably sheath the connection member (40) onto the anti-dropping boss (60); at least one second hole (44), which is configured to rotatably sheath a screw (10) into the connection member (40); and at least one connecting part (46), both ends of the connecting part (46) being respectively connected to the first hole (42) and the second hole (44); one end of the anti-dropping boss (60) is fixed on an apparatus (70) and is configured to fix the connection member (40) to the apparatus (70), thus facilitating operation and ensuring good safety during use of screws.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.