公开(公告)号：US11841610B2

公开(公告)日：2023-12-12

申请号：US17765141

申请日：2020-08-31

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Jianhua Zhou ,  Zhengping Zhou ,  Xianpeng Zhang ,  Xin Yu

IPC: G03B21/14 ,  G02B7/02

CPC classification number: G03B21/142

Abstract: Provided are a lens adjusting device and a projection apparatus. The device includes a first adjusting support including a lens support, a first guide post and a second guide post; and a second adjusting support including a moving support, a first limit slot, and a first boss. The first guide post is fixedly clamped in the first limit slot, the second guide post being connected to the first boss, and the lens support being supported by and slidably connected to the first guide post and second guide post, such that the lens support is slidable relative to the second adjusting support along the first direction. The lens support is configured to adjust a position of the second guide post relative to the first boss prior to the second guide post and the first boss being fastened to each other to parallel the second guide post and the first guide post.