Pin type fastener usable with swage collar to form a joint
US4519736A · kind A · utility
Inventor
Key dates
| Filing date | May 7, 1982 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | May 7, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B19/05
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fastener in accordance with this invention is a pin member usable with a collar to fasten a joint. The pin member comprises a head and an integrally formed shank extending therefrom. The shank includes a locking portion formed with a plurality of ribs separated from each other by locking grooves, the depth of which are all substantially equal to each other. At least one of the ribs is formed with a portion symmetrical about a line extending at a right angle to the axis of the shank and a portion asymmetrical about that line. Preferably all of the ribs have a radiused crest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.