Invention Grant
- Patent Title: Rotational force transmitting apparatus, lens apparatus and imaging apparatus having the same
-
Application No.: US16296528Application Date: 2019-03-08
-
Publication No.: US10976515B2Publication Date: 2021-04-13
- Inventor: Tadanori Okada
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JPJP2018-045154 20180313
- Main IPC: G02B7/02
- IPC: G02B7/02 ; G02B3/00 ; G02B7/04 ; H04N5/225 ; H02N2/12 ; H02N2/14 ; H02N2/00
Abstract:
A rotational force transmitting apparatus includes a cylindrical fixed member, a rotating member configured to rotate around the cylindrical fixed member, a first bearing member held by the cylindrical fixed member and configured to rotate around an axis parallel to a rotation axis of the rotating member, and a second bearing member held by the cylindrical fixed member and configured to rotate around a radial direction of the rotating member.
Public/Granted literature
- US20190285831A1 ROTATIONAL FORCE TRANSMITTING APPARATUS, LENS APPARATUS AND IMAGING APPARATUS HAVING THE SAME Public/Granted day:2019-09-19
Information query
IPC分类:
| G | 物理 |
| G02 | 光学 |
| G02B | 光学元件、系统或仪器 |
| G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
| G02B7/02 | .用于透镜 |
