Gear
US11105407B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Mar 11, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/17
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gear including: a hub provided on an inner peripheral side and configured to be connected to a main shaft; a rim provided on an outer peripheral side and formed with external teeth; and a gear web connecting the hub and the rim. The gear web includes a first web extending obliquely upward from the rim to the hub; and a second web extending obliquely downward from the rim to the hub. The first web includes a plurality of first web pieces formed so as to be spaced apart in a circumferential direction, and the second web includes a plurality of second web pieces formed so as to be spaced apart in the circumferential direction. The first web pieces and the second web pieces are alternately arranged in the circumferential direction and are located at mutually different circumferential positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.