Half-herringbone support for restricting sideways vibration of comb hammers
US4134336A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 21, 1977 |
| Grant date | Jan 16, 1979 |
| Priority date | — |
| Expiry date | Mar 21, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J9/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A half-herringbone support for the comb hammers of a dot matrix line printer is disclosed. The half-herringbone support is generally flat and includes an elongate base and a series of parallel tines integrally formed with said base and projecting obliquely outwardly from one edge of the base. The number of half-herringbone tines is equal to the number of hammers. The base of the half-herringbone support is affixed to the base of the hammer support on the side containing the hammer anvils (balls). The outer tips of the half-herringbone tines project to a point where they each intersect the mid-region of a related hammer. The tips of the half-herringbone tines are welded to the hammers at the points of intersection. The portion of said half-herringbone tines passing over hammers other than the hammer to which a particular half-herringbone tine is welded are undercut to prevent rubbing between the half-herringbone tines and the hammers over which the half-herringbone tines pass, but with which they are not associated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.