Cutting crown mounting
US12121978B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2021 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Mar 3, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B5/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A cutting crown fixing for positively locking and non-rotatable fixing of a cutting crown to a holder associated therewith of a comminuting apparatus, in particular a rotor of a comminuting apparatus, including a cutting crown, a cutting crown holder associated with the cutting crown, a screw bolt and a thread insert having a head portion and a shaft portion, wherein the thread insert has a female thread complementary to the male thread of the screw bolt and the cutting crown holder has a through passage for receiving the screw bolt, and in the installed position the thread insert is arranged in positively locking relationship in the axial and tangential direction in a holding opening of the cutting crown associated therewith. The cutting crown holder according to the invention is distinguished in that the positively locking configuration of a peripheral surface of the thread insert relative to the holding opening of the associated cutting crown extends over the entire longitudinal extent of the thread insert, wherein the thread insert is of a rotationally symmetrical configuration over the longitudinal extent of the head portion for providing an axial positively locking relationsh…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.