Snap hook
US4179148A · kind A · utility
13Cited by
7References
10Claims
0Family size
Inventor
Key dates
| Filing date | Jul 14, 1978 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Jul 14, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/3984
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved snap hook of the type having a hook and rigidly fixed eye extending from the hook and a swingable keeper arm connected on the hook, and having a foot portion normally spring-urged into blocking relation of the passage through the eye of the hook and wherein the foot includes a surface arranged to bite into a line passed through the eye in one direction of rotation and yieldable storing energy in the spring upon movement of the line in the other direction of rotation to bitingly and clampingly engage the line automatically against applied forces tending to move the line in the direction in which it is to be restrained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.