Material pipe and feeding system
US10392220B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 25, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Feb 15, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H75/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The disclosure provides a material pipe and feeding system. The material pipe comprises: a rotation shaft that is provided with an outer thread on an outer peripheral surface; a housing that is covered around an exterior of the rotation shaft and that is provided with an inner thread and a recess spaced from the inner thread on an inner peripheral surface; a fixing member having an axially extending through hole, the fixing member being provided with an outer thread on an outer peripheral surface thereof matching the inner thread of the housing, and the through hole being provided with an inner thread on a hole wall thereof matching the outer thread of the rotation shaft; and a positioning assembly comprising an engaging member detachably disposed in the recess at one end and fixed to the fixing member at the other end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.