HEADBAND-ADJUSTING DEVICE FOR VIDEO GLASSES, HEADBAND, AND VIDEO GLASSES

WIPO Patent Application WO/2018/058276

A1

Disclosed are a headband-adjusting device for video glasses, a headband, and video glasses. The headband-adjusting device comprises: an installation base (10) provided with an inner ratchet wheel (11). A linkage piece (20) installed on the installation base (10), wherein the linkage piece (20) is provided with a transmission portion (23) and at least one elastic limiting portion (21), and the at least one limiting portion (21) abuts against ratchet wheel teeth (111). A thumbwheel (30) drives the linkage piece (20) to rotate, and a disengaging portion (31) is arranged on the thumbwheel (30). When the thumbwheel (30) rotates towards one side, the disengaging portion (31) abuts against the limiting portion (21), such that the limiting portion (21) is disengaged from the inner ratchet wheel (11). When the thumbwheel (30) rotates towards the other side, the limiting portion (21) rotates in contact with the inner ratchet wheel (11). Further included is a transmission mechanism (50) cooperating with the transmission portion (23) in a transmission manner, wherein the linkage piece (20) is used for driving the transmission mechanism (50) to drive the headband to extend or retract.

YAN SHAOJUN (CN)

PCT/CN2016/100264

April 05, 2018

September 27, 2016

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SZ DJI TECHNOLOGY CO LTD (CN)

G02B27/01

CN206096630U	2017-04-12
CN205250551U	2016-05-25
CN203801842U	2014-09-03
CN105476200A	2016-04-13
CN204147239U	2015-02-11
CN105661735A	2016-06-15
US20050262619A1	2005-12-01

BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)

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