Stress reducing latch needle shank
US4255948A · kind A · utility
2Cited by
8References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 1978 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | Apr 26, 1998 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04B35/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A latched needle having a hook portion and associated pivoted latch, the hook portion being connected to a shank portion leading to a butt portion for engagement by an operating cam. Proceeding along the shank portion from the latch pivot towards the butt portion, the shank portion has an increase in depth over part of its length and in respect of this part the transverse cross-section is modified to present asymmetry about a median plane parallel to the side faces of the shank portion as by cutting part of the thickness of the shank portion away over part of the depth to produce a stepped shape in transverse cross-section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.