Locknut with locking coil and coil support
US9777760B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2016 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B39/34
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A locking fastener includes a thermoplastic fastener body, a locking coil, and a support collar. The fastener body defines a cylindrical cavity and a radially extending slot communicating with the cavity. The support collar has an arcuate portion and first and second tabs extending radially outward from the arcuate portion. The support collar is disposed within the fastener body with the arcuate portion adjacent the cavity wall and the tabs extending into the slot. The locking coil has a helical portion and first and second tangs extending radially outward from the helical portion. The helical portion of the locking coil is positioned within the support collar, and the first and second tangs extend into the slot and between the first and second tabs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.